Jun 212017
 

I just finished watching a 2016 Hungarian documentary film about the early days of the computer game industry in Hungary.

I was also interviewed via Skype for this film, albeit not much of my conversation with the filmmaker remained in the final cut. But that’s okay… it is, in a sense, fitting, because after the first few “heroic” years, I was no longer taking part in games development, whereas others continued and produced some amazing software.

Anyhow, I enjoyed this film. I met familiar faces (though I admit I would not have recognized all of them on the street after 30-odd years) but I also found out details about those days that I just didn’t know. I don’t necessarily agree with everything that was said in the film, but by and large, I think it paints an interesting, reasonably complete, accurate and balanced picture of what computer game development was like, what it meant to us in the early 1980s behind the Iron Curtain.

For what it’s worth, I bought my downloadable copy. (No DRM.) I think films like these deserve our support.

 Posted by at 5:35 pm
May 292017
 

Is your mother proud of you being a crook?

I have asked this question many times in recent months; basically, every time I receive a call from the “computer support department”, trying to tell me how my computer is full of viruses or whatever.

I usually don’t expect an answer; as a matter of fact, I usually just hang up, although more often than not, the other party hangs up first before I get a chance. Understandable… that’s what they are trained to do by their criminal masters.

Today, for some reason, I chose not to hang up. And the gentleman on the other and of the line asked me to repeat myself instead of hanging up on me. I obliged. After a moment of silence, I actually got an answer.

“Well, sir, I need the money.”

That was an unexpectedly candid admission, not that I was not aware of this basic truth. These callers, usually in boiler rooms somewhere in India or Pakistan, do this because they need to earn a living.

But it’s one thing to earn a living, it’s another to defraud vulnerable people, old ladies and whatnot. I told that much to this agent. He just repeated himself, defensively: “But I need the money.”

So I told him that I understand. That I, too, was a refugee once 30 years ago. (True.) But even when I had no money, I did not start defrauding people. I asked him to think about this, please; then thanked him and hung up.

Did I accomplish anything? I don’t know. Is it valid to compare my situation 30 years ago: granted, a refugee, but a refugee in a first world country (Austria) with no family to worry about and with guaranteed shelter and food at the Traiskirchen refugee camp, which I declined to take advantage of only because I found work (no fraud involved, but it’s true that I had no work permit) and I was able to afford better accommodations?

Yes, I read Les Misérables. No, I do not want the poor to be disproportionately punished, with no grace or mercy.

Still, I think there is an ethical line to be drawn here. No matter how great your need is, I still don’t think this moral justification applies when you work for a criminal enterprise, earning a living from defrauding vulnerable people halfway around the world.

 Posted by at 2:21 pm
May 162017
 

In my copious amounts of free time (yeah, right) I’ve been playing with the second installment in the Metro 2033 game franchise, Metro Last Light. Like its predecessor, it is set in (or mostly, under) post-apocalyptic Moscow, in what remains of the tunnels of the Moscow Metro, with stations acting as city states, and the protagonist fighting mutants, aliens and human enemies alike.

My only complaint about these games is that the gameplay is very linear: you just advance the story, your actions do not alter it in any meaningful way, apart from contributing to the choice of ending that is shown after the final battle.

But the atmosphere of the game is brilliant. Brilliantly dark, that is. And the game is beautifully crafted.

Here is one example: midway through the game, you find yourself in a station named Venice, so called because it is half-flooded. (Or was it the station under the Bolshoi Theatre? Not sure.) As you wonder around, you encounter… a shadow play artist, entertaining a small group of children, showing shadows, some of which are quite recognizable as the monsters of the game.

This character plays no role in the story. You do not interact with it. It does not advance the game in any which way. It’s just… there. Because… well, what would a post-apocalyptic subway station be like without a shadow play artist?

It was when I encountered this scene that I became fully hooked by the atmosphere of the Metro games. This is no more just entertainment… this is a form of art.

 Posted by at 1:47 pm
May 062017
 

One of the major events during last year’s presidential campaign was the hacking of e-mails of the Democratic National Congress. In particular, the hacking of the e-mails of campaign chairman John Podesta.

How it happened is simple. Podesta received a bogus e-mail, purportedly from Google, that there was an unauthorized attempt to log in to his account, and that he should change his password. A helpful link in the form of a button was provided.

Podesta’s assistant was suspicious and asked for expert help. The expert inadvertently described the e-mail as “legitimate” (presumably, he meant to write “not legitimate” or “illegitimate”) but advised that Podesta should change his password, and provided the correct (Google) link for password changes.

The assistant forwarded the e-mail to Podesta, adding in her own words that “The gmail one is REAL”. This prompted Podesta to change his password… using the fraudulent link provided to him in the original message. By doing so, Podesta inadvertently disclosed his e-mail password to Russian hackers.

How do we know that they are Russian? There are many reasons to believe this to be the case, but I just noticed another peculiarity. (It is possible that I am not the first to notice this, of course.) Look at the subject line of the Podesta e-mails:

Subject: Sоmeоne has your passwоrd

Now try searching for the word “Someone” on this page using your Web browser’s built-in search feature (hitting Control-F activates this feature in most browsers). Can you see (or rather not see) how nothing in this Subject line is highlighted?

That is because several of the o’s in this subject line were typed on a Cyrillic keyboard, and they are Cyrillic characters. A Cyrillic ‘о’ appears very much the same as a Latin ‘o’, but it has a different code (hexadecimal 043e as opposed to 006f):

Funny thing is… I got this subject line straight from Wikileaks. You know, the same Wikileaks who are protesting high and low that the e-mail dump is not from Russia. Yet on their very own Web site, the e-mails that resulted in the Podesta hack contain Cyrillic characters. Go figure.

 Posted by at 8:34 pm
Mar 172017
 

Recently, I answered a question on Quora on the possibility that we live in a computer simulation.

Apparently, this is a hot topic. The other day, there was an essay on it by Sabine Hossenfelder.

I agree with Sabine’s main conclusion, as well as her point that “the programmer did it” is no explanation at all: it is just a modern version of mythology.

I also share her frustration, for instance, when she reacts to the nonsense from Stephen Wolfram about a “whole civilization” “down at the Planck scale”.

Sabine makes a point that discretization of spacetime might conflict with special relativity. I wonder if the folks behind doubly special relativity might be inclined to offer a thought or two on this topic.

In any case, I have another reason why I believe we cannot possibly live in a computer simulation.

My argument hinges on an unproven conjecture: My assumption that scalable quantum computing is really not possible because of the threshold theorem. Most supporters of quantum computing believe, of course, that the threshold theorem is precisely what makes quantum computing possible: if an error-correcting quantum computer reaches a certain threshold, it can emulate an arbitrary precision quantum computer accurately.

But I think this is precisely why the threshold will never be reached. One of these days, someone will prove a beautiful theorem that no large-scale quantum computer will ever be able to operate above the threshold, hence scalable quantum computing is just not possible.

Now what does this have to do with us living in a simulation? Countless experiments show that we live in a fundamentally quantum world. Contrary to popular belief (and many misguided popularizations) it does not mean a discretization at the quantum level. What it does mean is that even otherwise discrete quantities (e.g., the two spin states of an electron) turn into continuum variables (the phase of the wavefunction).

This is precisely what makes a quantum computer powerful: like an analog computer, it can perform certain algorithms more effectively than a digital computer, because whereas a digital computer operates on the countable set of discrete digits, a quantum or analog computer operates with the uncountable infinite of states offered by continuum variables.

Of course a conventional analog computer is very inaccurate, so nobody seriously proposed that one could ever be used to factor 1000-digit numbers.

This quantum world in which we live, with its richer structure, can be simulated only inefficiently using a digital computer. If that weren’t the case, we could use a digital computer to simulate a quantum computer and get on with it. But this means that if the world is a simulation, it cannot be a simulation running on a digital computer. The computer that runs the world has to be a quantum computer.

But if quantum computers do not exist… well, then they cannot simulate the world, can they?

Two further points about this argument. First, it is purely mathematical: I am offering a mathematical line of reasoning that no quantum universe can be a simulated universe. It is not a limitation of technology, but a (presumed) mathematical truth.

Second, the counterargument has often been proposed that perhaps the simulation is set up so that we do not get to see the discrepancies caused by inefficient simulation. I.e., the programmer cheats and erases the glitches from our simulated minds. But I don’t see how that could work either. For this to work, the algorithms employed by the simulation must anticipate not only all the possible ways in which we could ascertain the true nature of the world, but also assess all consequences of altering our state of mind. I think it quickly becomes evident that this really cannot be done without, well, simulating the world correctly, which is what we were trying to avoid… so no, I do not think it is possible.

Of course if tomorrow, someone announces that they cracked the threshold theorem and full-scale, scalable quantum computing is now reality, my argument goes down the drain. But frankly, I do not expect that to happen.

 Posted by at 11:34 pm
Feb 262017
 

In many ways, this is the most disturbing story I read in recent… days? Months? Maybe years?

The title is (relatively speaking, in this day and age) innocuous enough (if perhaps a little sensationalist): “Revealed: how US billionaire helped to back Brexit“. Yeah, sure. Billionaires are evil SOBs, we knew that already, and now a bit of investigative journalism dug up another reason why we should hate them. Big deal… you could be forgiven if you moved on to read something else, maybe the bit about Trump snubbing the White House Correspondence Dinner or Fox News using a phony “Swedish defense advisor” to curry favor with the President.

But if you choose to read this article, it reveals something else. It reveals how the Leave campaign in the Brexit vote received assistance provided by artificial intelligence software to build profiles of up to a million voters and create highly targeted campaigns on social media.

Back when the nightmare of the machines taking over was first discovered in the science fiction literature, it was usually envisioned as a clean break: First the humans are in charge, but then comes Judgment Day and the machines take over.

Reality is a lot messier, for both humans and machines. There is no clean break. The ever increasing power of the machines is harnessed by ever more reckless humans, manipulating humanity in unexpected ways. Machines manipulating elections or referenda at the bidding of sinister humans… in many ways, that is the worst of possible worlds.

It makes you feel helpless, for one: You realize that nothing you can do on social media, nothing you can say in your blog will amount to one iota, as the machines have an infinitely greater capacity to analyze data and assess outcomes.

And it also makes you fearful. AI (for now) has no compassion or conscience. It will lie or make up “fake news” without remorse. It will (for now) do its masters’ bidding, even if those masters are sociopaths.

So no, folks, don’t delude yourselves. Judgment Day may already be here. It’s just coming one little data point, one neural network, one deep learning algorithm at a time.

 Posted by at 9:03 am
Feb 022017
 

“After a second notices he ran it on db1 instead of db2″… This sentence (somewhat shortened, to make a fitting title) describes the beginning of a colossally effed up night at GitLab.com.

In response to a spike in system load, which resulted in lag on a replication server, the operator thought that maybe restarting the replication server with a clean slate is a good idea. So he decided to wipe the replication server’s data directory.

Unfortunately, he entered the command in the wrong window.

I feel his pain. I did make similar mistakes before, albeit on a much smaller scale, and the memories still hurt me, years later.

I have to commend GitLab for their exceptional openness about this incident, offering us all a valuable lesson. I note that others also responded positively, offering sympathy, assistance, and useful advice.

I read their post-mortem with great interest. In reaction, I already implemented something that I should have done years ago: changing the background color of some of the xterm windows that I regularly open to my Linux servers, to distinguish them visually. (“Create issue to change terminal PS1 format/colours to make it clear whether you’re using production or staging”).

Of course similar incidents and near misses also changed my habits over the years. I rarely delete anything these days without making a backup first. I always pause before hitting Enter on a command that is not (easily) reversible. I have multiple backups, and tested procedures for recovery.

Even so… as Forrest Gump says, shit happens. And every little bit helps, especially when we can learn from the valuable lessons of others without having to go through their pain.

 Posted by at 10:13 am
Jan 312017
 

A short while ago, I turned on a computer. Like several of my other computers, this one is also configured to display a weather widget on the desktop. Here is what it showed:

If only it were true! Alas, the reason for this overly optimistic weather report had to do with the fact that the computer in question has last been turned on more than four months ago, back in September. In reality, this is what our weather is like right now:

And even that is a significant improvement over the −21°C that greeted me early in the morning.

Yup, this is Canada.

 Posted by at 8:52 pm
Jan 142017
 

I just saw this US Defense Department video about a swarm of high speed drones released at altitude by an F/A-18. The drones communicated with each other, self-organized, and went on to execute predetermined tasks autonomously.

In case anyone is wondering why I worry about the future of AI, this is a perfect demonstration.

Meanwhile, the Defense Department is also continuing its trials of the Sea Hunter, a 132-ft, 145-ton unmanned, autonomous vessel designed to hunt submarines.

Don’t worry, the brave new world is coming…

 Posted by at 9:22 pm
Dec 252016
 

Today, I was trying to explain to someone the difference between entering a Web site’s address in the address field of a Web browser, vs. entering a search term in Google. I was not very successful. In the end, it doesn’t really matter… Google happily accepts a Web site address in its search field, and all modern browsers accept search terms in the address field, passing it on to the preconfigured search provider.

But this experience reminded me of a clip from Star Trek IV: The Voyage Home. It’s when Scotty and McCoy talk to a factory manager and Scotty tries to show the chemical formula for “transparent aluminum”. When McCoy suggests the use of a computer, on old Mac sitting on a desk nearby, Scotty first tries to talk to it; and when McCoy helpfully points at the mouse, Scotty picks it up as though it was a microphone tries talking into it.

What I realized is that thirty years later, we basically gave up on the idea of trying to educate users. If that computer was built today, with users like Scotty in mind, we’d just put a damn microphone into the bleeping mouse. It’s just easier that way.

 Posted by at 10:09 am
Dec 132016
 

This morning, when I woke up, the regular status e-mails that my servers greet me with told me that there is a major CentOS update (version 7.3). Cool. Unfortunately, it meant that I needed to upgrade as many as five servers. This includes my main server, its physical backup, my backup server in NYC, another “in cloud” backup, and yet another server that I help administer. I began this process shortly after 8 in the morning, after I finished breakfast.

And as usual, a major upgrade like this brings to the surface little problems, little annoyances such as folders that had incorrectly configured SELinux permissions. No big deal, to be sure, but several such little things can consume hours of your time.

And then, it was also Microsoft Patch Tuesday, the second Tuesday of the month when Microsoft releases scheduled updates to Windows and other products. As soon as I was done with CentOS, my attention turned to my Windows machines, including my main workstation, its backup (actually, the same physical machine that also acts as my server’s backup in a dual-boot configuration), my wife’s desktop computer, two laptops, and last but not least, my old desktop that I still keep around as a backup/test computer.

Moreover, I also decided to update three virtual machines (one running Windows 7, the other two, Windows XP) that I keep around both for test purposes but also to have older software, older configurations available if needed.

Furthermore, when I update Windows, I tend to check and see if any other software packages need updating. On some computers, I run Secunia PSI, which keeps track of many applications. But even on other systems, I had to update Java (if installed), Adobe Flash, Chrome and Firefox.

And on older hardware, the process can be painfully slow.

To make a long story short, by the time I finished the bulk of this work, it was 7:30 in the evening. And one computer (a really low powered old netbook) is still doing its thing, even though it’s well past 11 PM now.

No wonder I didn’t accomplish much today.

Of course all of this needed to be done. Since I am a one-man band, I don’t have an IT department to rely on, but it is still important for me to keep my systems secure and well-maintained.

Nonetheless, it feels like one hell of a waste of a day.

 Posted by at 11:22 pm
Nov 232016
 

This was a potential nightmare scenario. Imagine if we found out that the swing state results of the Nov. 8 election were altered by hackers. Imagine if an investigation found that Hillary Clinton won these states after all, and hence, won the electoral college.

Remember the hanging chads of the 2000 election?

Remember the hanging chads of the 2000 election?

Why is it a nightmare? Because it would likely lead to a constitutional crisis with unpredictable consequences. Donald Trump would be unlikely to concede. But even he did, tens of millions of his supporters would likely find the results unacceptable. Even the predictable disaster of a Trump presidency is preferable to a crisis of such magnitude.

And last night, the specter of just such a crisis was raised, in the form of a New York Magazine article (which was soon echoed by other news outlets), reporting on the doubts and suspicions of prominent scientists who noted a bias in the county-by-county results, more likely to favor Trump in counties where votes were counted electronically.

But not so fast, says fivethirtyeight.com. You cannot just compare the raw results without accounting for demographics. And once you take demographics into account, the apparent bias disappears. And while fivethirtyeight notes that it is difficult to validate the integrity of the voting system in the United States, nonetheless the burden of proof is on those who claim electoral fraud, and so far, the burden of proof has not been met.

I no more welcome a Trump presidency today than I did two weeks ago, but an orderly transition is still preferable to the chaos of a constitutional crisis.

Meanwhile, Clinton’s lead in the popular vote count increased to over two million votes (yes, they are still counting the votes in some states, including mighty California). This in itself is unprecedented: never in the history of the United States did a candidate win the popular vote with such a wide margin, yet lose the electoral college.

 Posted by at 6:31 pm
Nov 222016
 

A few days ago, I came across this excellent blog entry about many of the project management misconceptions, bad ideas, overused buzzwords that I ran into in my professional career.

For instance, the author defines “backwards causality” by the example, “let’s adopt the Spotify model!” Yes, of course. While you are at it, also ask a lottery winner what he did that led to his winfall, and make sure you follow those steps exactly, as it will surely guarantee a win.

Or how about the “big bang”, as in “we can’t afford to keep up two systems at the same time”? Even in my teeny-weeny home office environment, I run things in parallel. When I set up a new workstation, it runs parallel with the old for weeks. Same goes for a new server. When I last did a planned transition to a new Internet service provider, I ran things in parallel for a month, too. Sure, it costs money. But it costs a lot less money in the long run than a botched, irreversible transition.

Then there is “buy vs. build”, or the mythical commercial-off-the-shelf (COTS) beast. I have seen this so often, especially in this blessed government town! Sure, don’t develop your own word processing software, specifically designed for Her Majesty’s Canadian Government, as that would be foolish nonsense. But many government applications are unique to the government, and may also be unique to the country or jurisdiction. Yet I have seen this happen, in fact I have lost business as a result, when a government department somehow got it in their head that COTS is the way to go.

Closely related is the concept of a “platform”. As in, we’re not just selling a product… we are selling a platform! Yeah, right. Add an API to your software, perhaps bundle two or three remotely related applications with a common installer, and suddenly, you are a platform vendor. To would-be buyers out there: The word “platform” has no technical meaning. It is a marketing buzzword designed to serve one purpose and one purpose only: to suck more money out of your budget.

Speaking of money, how about “enterprise”? You know, it’s government, we cannot just go with some low grade consumer product, we need an “enterprise solution”! You know what makes a product “enterprise”? Mostly it’s the price, nothing more. So-called “enterprise-ready” software is usually the same solution you get elsewhere, just packaged differently.

Another lovely buzzword is the “roadmap”. OK, I plead guilty: in my misguided youth, I both talked about, and contributed to the development of “roadmaps”. And to some extent, they may even make sense: as in a vague, strategic overview of where an IT system is expected to be heading in the long run. But the moment you shoehorn that roadmap into Microsoft Project and start attaching numbers (dollars, dates) to it, it becomes a work of pure fiction. Don’t build roadmaps, do research, do planning, do analysis, do design.

And for goodness’s sake, don’t buy a “turn-key solution”. That is perhaps the greatest deception of all: the idea that an outside vendor can come in, study your business, analyze the requirements, design and implement a solution so that on the agreed-upon delivery date, a nice, shiny new system is ready, just waiting for you to turn the ignition key. That *never* happens. Every experienced system architect can tell you that successful systems don’t happen without customer/user involvement at all stages; that the best adoption strategy is often gradual (see also the “big bang” approach above); and that even the best system needs adjustments and tinkering as its shortcomings only become evident once it is tested through daily use.

Anyhow, these are good lessons. The original article is well worth the read, as it talks about many other points, too.

 Posted by at 4:19 pm
Nov 172016
 

It is rare these days that a piece of spam makes me laugh, but today was an exception. After all, it is not every day that I receive an e-mail notice, pretending (kind of) to be from UPS, informing me that my “crap” has been shipped:

Still trying to figure out though if the language was intentional, or simply a mistake made by a non-native English speaker unfamiliar with certain, ahem, idioms.

 Posted by at 1:16 pm
Nov 152016
 

I just came across this recent conversation with Barack Obama about the challenges of the future, artificial intelligence, machine learning and related topics. A conversation with an intelligent, educated person who, while not an expert in science and technology, is not illiterate in these topics either.

Barack Obama Talks AI, Robo-Cars, and the Future of the World

And now I feel like mourning. I mourn the fact that for many years to come, no such intelligent conversation will be likely be heard in the Oval Office. But what do you do when a supremely qualified, highly intelligent President is replaced by a self-absorbed, misogynist, narcissistic blowhard?

Not much, I guess. I think my wife and I will just go and cuddle up with the cats and listen to some Pink Floyd instead.

 Posted by at 11:35 pm
Nov 122016
 

If there was a single cause that sank Hillary Clinton’s bid for the presidency, it was undeniably the “e-mail scandal”.

Which is really, really sad because it was really no scandal at all. I just read a fascinating account (written back in September I believe) that offers details.

Some of what happened was due to ineptness (either by Clinton’s team or the State Department’s), some of it was a result of outdated, inconvenient, or unreliable technology, some of it was just the customary bending of the rules to get things done… most notably, there was no recklessness, no conspiracy, no cover-up, just the typical government or, for that matter, corporate bungling. (And as I noted before, Clinton’s e-mails were likely more secure on the “home brew” server sitting in a residential basement than on the State Department’s systems.)

 Posted by at 4:47 pm
Oct 302016
 

And the most maligned game of the year award for 2016 goes to… undoubtedly, No Man’s Sky. This game was much hyped by its creator in the months leading up to its release, hugely disappointing its fans when the released version lacked many of the features that they anticipated.

I was not part of this lot, though. I have not even heard of No Man’s Sky until I was asked to review it by a customer.

I spent a bit of time playing with it. I actually found the game quite enjoyable, albeit a bit monotonous after a while. Game play, in the end, boils down to landing on a planet, collecting resources, upgrading your ship, suit, or weapon, and moving on. There is a very thin storyline about some perpetual conflict between the three alien races that you meet, the mysterious “sentinels”, and the even more mysterious Atlas that ultimately reveals that the galaxy which you explore is just a simulation (d’oh!) but I found it uncompelling. Still, I found the game strangely attractive. Perhaps because it is the ultimate sandbox environment: You are not confined to a building, a cave, a city, a country, or even to a whole planet: you have an entire universe to explore!

Still, I’d love to have seen more races, signs of civilization, alien cities covering entire continents… or for that matter, just continents and more variety in the landscape within a planet, differences between mountains and plains, polar and equatorial regions and the like.

In short, I have to agree with those reviewers that No Man’s Sky feels a little unfinished; it would make an excellent indie game, but it is a bit of a letdown when it is released at a premium price under a major label (SONY).

Like all other games, No Man’s Sky has its glitches. I certainly ran into a few of them. The most annoying is when the game slows down unexpectedly, for which the only remedy is to restart the game and reload the last save. Fortunately, the remaining glitches were much easier to overcome. Like, when I managed to land my spaceship on top of a freaking plant.

I also managed to land once on top of a tower, with my spaceship precariously balanced on one end, making it quite a challenge to get back on board.

Or how about my starship, which I swear I previously left on the ground, ending up high, way high up in the sky? Thankfully, by this time I knew how to call my spaceship back.

I once managed to fall out of the world. It is a bit disconcerting, but easy to solve by reloading my last save.

And once I happened upon a building that was mostly floating in the air. As it turns out, building floors are transparent from below. I was hoping to be able to enter areas that were previously inaccessible to me (I have not yet obtained the appropriate Atlas pass), but alas, the transparency did not go that far.

Speaking of spaceships, here is the cutest-looking ship that I managed to acquire during my travels:

Unfortunately I had to trade it away when a spaceship with a bigger cargo capacity became available. Maybe one day I’ll find another one like this, with more cargo space.

In the end, it seems to me that No Man’s Sky will not appeal to everyone, but to those who like it, it can be quite enjoyable with decent replay value. I still fire it up from time to time.

 Posted by at 2:24 pm
Aug 252016
 

It was 25 years ago today that a Finnish chap by the name of Linus Torvalds made an announcement about a new operating system that he developed in the preceding few months. Nothing big and professional, he assured us, just a hobby project basically… but here it was, and he already got a command shell and the GNU C compiler working.

I have been using Linux for 23 of those 25 years. I became familiar with Linux when I took over sysop duties of the UNIX forum of the long defunct NVN (National Videotex Network).

I no longer have the original SLS (SoftLanding Linux) floppy images, though I am pretty sure even without checking they can be found in several archives online.

But I do have the announcement that I posted on the NVN UNIX forum page almost exactly 23 years ago, on September 1, 1993:

Welcome to the LINUX distribution on NVN!

The UNIX Forum data library now contains the complete set of files
making up the Softlanding Software (SLS) distribution of LINUX, the
popular *FREE* UNIX operating system clone.

The files are the most recent (version 0.99 patchlevel 12) as of
today, August 28, 1993.

The files were used by the UNIX SysOp to install a complete LINUX on
an 80386SX20 PC, with 4 Mb of RAM, a 68 Mb and a 42 Mb MFM hard disk
drive, an ATI VGAWonder super-VGA card with 512 kb video RAM, a
Microsoft mouse, a 5.25" high density floppy drive, and a 3.5" high
density drive, and an ATI2400etc/i internal modem. Brief assessment:
it works like a charm. So well, in fact, that I decided to keep it
and permanently convert my old 386SX to a LINUX host. I am already
using it as a dial-in system for my friends and business associates.

The files in this distribution are:

readme.sls this file
sls_info.zip miscellaneous text information files
rawrite.zip needed to create the A1 bootable LINUX disk
sls_a1_3.zip bootable floppy image for 3.5" 1.44 Mb drives
sls_a1_5.zip bootable floppy image for 5.25" 1.2 Mb drives
sls_a2.zip Minimum base system
sls_a3.zip
sls_a4.zip
sls_b1.zip Base system extras
sls_b2.zip
sls_b3.zip
sls_b4.zip
sls_b5.zip
sls_b6.zip
sls_b7.zip
sls_c1.zip Compilers
sls_c2.zip
sls_c3.zip
sls_d1.zip Documentation
sls_d2.zip
sls_s1.zip Essential component source
sls_t1.zip TeX
sls_t2.zip
sls_t3.zip
sls_x1.zip X-Windows
sls_x2.zip
sls_x3.zip
sls_x4.zip
sls_x5.zip
sls_x6.zip
sls_x7.zip
sls_x8.zip
sls_x9.zip
sls_x10.zip

All the files named sls_Sn.zip must be uncompressed under DOS and
copied onto separate floppies. The bootable LINUX floppy (disk A1)
can be created from sls_a1_3.zip or sls_a1_5.zip using the RAWRITE
program, supplied in RAWRITE.EXE.

It is suggested that you download sls_info.zip first, for additional
information. The files in this archive are text files readable under
DOS (lines end with CR/LF instead of LF only as they do under UNIX).


Please note that while the NVN UNIX does not (indeed, cannot) provide
support for LINUX, I will be glad to answer any of your questions. 
Also, if you are interested in a specific program, application, or
information file that is not included in the present distribution,
please let me know and I will see if I can obtain and upload it. If
you would like to run OSF/Motif on your LINUX system, you may not
have to wait too long; I am planning to try and obtain Motif in the
near future.

Good luck with your installation and I hope that the next time you
call, it will be with your LINUX system!

UNIX SysOp

Before making this announcement, I already set Linux up on an old 386SX desktop computer that I was no longer using. Within a few months, this computer began to play a permanent role as my Internet server. Although it went through several hardware and software iterations, its basic identity remains the same: it’s the very same server on which these words appear.

 Posted by at 10:20 pm
Aug 062016
 

I have never been to the ghost city of Pripyat, evacuated in the wake of the Chernobyl nuclear disaster.

However, in recent days, I spent some of my free time fighting mutants, mercenaries, bandits and fanatics in and around a virtual version of Pripyat, in the game S.T.A.L.K.E.R. – Call of Pripyat.

This game is the third installment in the S.T.A.L.K.E.R. series, made by Ukrainian game developer GSC Game World.

And it is a damn good game (available without crippling DRM, courtesy of GOG.com; which is the only reason I purchased the game, as I do not buy DRM-protected crippleware.) The other two games are pretty darn good, too.

The games combine an iconic science fiction novella by Arkady and Boris Strugatsky with the realities of the Chernobyl Exclusion Zone (officially the Chernobyl Nuclear Power Plant Zone of Alienation.)

The novella, Roadside Picnic, is inspired by a vision of some careless visitors near a forest, who, after a brief stop, leave behind everything from trash to discarded spark plugs, perhaps a pocket knife or a forgotten transistor radio, or maybe even a pool of used motor oil. What do these strange, sometimes dangerous artifacts and anomalies mean to the forest’s animals? Now imagine a visit to the Earth by some equally careless members of an extraterrestrial supercivilization, with us playing the role of the forest’s fauna. What would we make of the often deadly, totally incomprehensible anomalies and artifacts? As such, the Visitation Zones become places of interest to all, including “stalkers”, freelancers who defy government restrictions and risk life and limb as they enter the Zone illegally to retrieve precious artifacts and substances from the Zone.

The novella was written 15 years before the Chernobyl disaster and its setting is a fictitious town in Canada. Nonetheless, the parallels between the novella’s fiction and Chernobyl’s reality are eerily striking: abandoned buildings, abandoned military equipment, locations with a dangerous buildup of radiation, not to mention what remained a still operating nuclear power plant for many years at the very center of the Exclusion Zone.

This, then, is the setting of the S.T.A.L.K.E.R. series of games: The Zone, its abandoned industrial facilities, farms, vehicles and equipment, the town of Pripyat, even the nuclear plant itself, complete with its sarcophagus. In the fictitious storyline of the games, the 1986 disaster was followed by another man-made disaster some 20 years later, as the Zone, now largely uninhabited, was used as a place to conduct secret, often unsanctioned research.

Near the end of the third game, the player is presented with a choice of being part of an evacuation (which ends the game) or staying in Pripyat. I opted to stay. (OK, I had a saved game, so of course I could explore both scenarios.) After the helicopters left, I still had to dispatch a few enemies… but after that, there I was, standing in the middle of a square in Pripyat in the dead of night, with no friends, not even enemies, just silence occasionally broken by the howl of mutants in the distance. My safe house was gone, all I had was the equipment I carried… and I was alone.

I was honestly surprised by the intensity of this feeling of loneliness coming from a computer game.

Anyhow, I survived, morning came, and I was able to explore parts of Pripyat that I did not visit during the more intense game playing earlier. And thus, I happened upon a famous Pripyat landmark, the town’s never used Ferris wheel:

The Ferris wheel, along with the rest of Pripyat’s brand new amusement park, was set to open on May 1, 1986; unfortunately, the power plant disaster on April 26 scuttled those plans.

Sadly, I was unable to explore the Ferris wheel up close; it is located outside the region of Pripyat that is accessible to the player. But the area that can be explored is huge and terrifyingly gloomy, looking a little bit like pictures from North Korea:

As to the abandoned Soviet-era facilities, here is a splendid example:

Hey, when I took that screen shot, the Sun was almost shining!

The Sun was not shining, though, when I visited the Chernobyl nuclear plant in one of the earlier installments of the game:

But what a place it was. Mostly quiet deadly, even with the best equipment my game persona could muster.

Oh well, it was fun to play these games. Time to get back to work, though.

 Posted by at 1:33 pm
Jul 132016
 

Today, I took the plunge. I deemed my brand new server (actually, more than a month old already) ready for action. So I made the last few remaining changes, shut down the old server, and rebooted the new with the proper settings… and, ladies and gentlemen, we are now live.

Expect glitches, of course. I already found a few.

The old server, of which I was very fond, had to go. It was really old, the hardware about 7 years. Its video card fan failed, and its CPU fan was also making noises. It was ultra-reliable though. I never tried to make this a record, but it lasted almost three years without a reboot:

$ uptime
 12:28:09 up 1033 days, 17:30, 4 users, load average: 0.64, 0.67, 0.77

(Yes, I kept it regularly updated with patches. But the kernel never received a security patch, so no reboot was necessary. And it has been on a UPS.)

This switcharoo was a Big Deal, in part, because I decided to abandon the Slackware ship in favor of CentOS, due to its improved security and, well, systemd. I know systemd is a very polarizing thing among Linux fans, but my views are entirely pragmatic: in the end, it actually makes my life easier, so there.

Anyhow, the new server has already been up 13 minutes, so… And it is a heck of a lot quieter, which I most welcome.

 Posted by at 12:45 pm