Paloş::Code.Blog()

It was my great pleasure to find (some time ago) that, starting with version 5.3.0, PHP supports namespaces (among many other things). Even more exciting is that starting with version 6 it also supports Unicode natively. How awesome is that!!!

However there is a slight problem: these versions are only snapshots at the present time so there are no binary packages provided for them by our beloved Linux distributions and since I really don’t like messing up my beautiful Ubuntu Hardy installation with (uninstallable) source compilations I couldn’t make use of PHP’s new features. This is where CheckInstall comes in to the rescue…

Edit: There now exists a set of pre-built .deb packages for Debian and Ubuntu here, thanks to Void. (more…)

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Following this article, I patched APF for use on Ubuntu and ArchLinux.

Hi guys! I’m sorry for the delay in the update in this matter but lately I had very little time for anything on the side. Anyway, I finally got around to it. (more…)

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Recently I upgraded my CPU to a Dual Core 2 Duo and am now running the x86_64 version of Arch Linux in which the makepkg tool can take advantage of the multiple core CPU and run make using multiple threads (great stuff). This is accomplished through the -jX option of the make utility (where X is the CPU count: 2 in my case). One can see the tremendous benefits of this when, for example, compiling the kernel (for me the compilation time dropped by almost 45%; I checked!). (more…)

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The smoothansi font from the Artwiz font pack seems to me to be the best font for programming possible!It’s amazing! It is bitmapped so no antialiasing is necessary, which makes it easily readable, it isn’t too small (like proggy fonts) for large displays, but still smaller than most TTF fonts so that more lines of code can fit into one screen. The only drawbacks are that it does not provide a Windows version and it does not have bold characters (that stinks)! (more…)

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Here’s a great tip from Dick Visser for upgrading the database cluster from PostgreSQL 8.1 to postgreSQL 8.2. It’s amazingly simple and it just works.

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ATTENTION!!!
This article is outdated! Go here! for the updated patches and information.

APF Firewall is a great firewall solution for Linux. It’s small, really easy to install and configure and it also provides antidos, which is a tool that monitors possible attacks on the server and takes same action. The problem is that the install script is made for RedHat based Linux distro’s and does not work straight away on Debian based ones.

So here is a patch that, when applied to the apf source directory (tested with version 0.9.6-2), will make it install properly under Ubuntu (it’s tested on Feisty and Gutsy but it should actually work on many other types of Ubuntu or even Debian - I have not tested this). (more…)

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I decided (after writing the last post on this subject) that it is much more feasible to simply continue working on my install scripts rather than on the tutorial itself. With your help (I hope) I will be able to improve them and make run correctly on systems other than Ubuntu 7.04 (Feisty). So here they are:

D based on DMD under Linux Ubuntu 7.04 (Feisty)
Download script

D based on GDC under Linux Ubuntu 7.04 (Feisty)
Download script

Make sure you have the following requirements installed before running any of the scripts (other packages may be required):

• curl
• wget
• svn
• for the GDC script: gcc build tools (build-essential under Ubuntu)

Enjoy!

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We all know that D is not yet a very mature platform (although it is making steps quickly into the right direction). Because of that, it is not that easy to setup a working (or development) environment. Here are my efforts to clarify the situation. The difficulty in reaching this goal lies mainly in the incompatibilities between libraries and compiler versions (or implemented features).

I will try to show how I managed to install a (more or less) complete working environment for D under Linux using either DMD or GDC. These two compilers each have their pros and cons: DMD is more stable and has the latest features integrated, while GDC is completely open source. By “complete” I mean the following packages were installed and running smoothly (I won’t loose time to justify why I wanted each one - they simply make sense to have, pretty much all the time - in no particular order):

1. DSSS 0.71 (D Shared Software System) - link.
2. DMD 1.018 - link / GDC 0.24 / rev.146 (GCC 4.1.2) - link.
3. Tango rev.2500 (The modern standard library for D) - link.
4. Tangobos rev.15 (Phobos and Tango compatibility layer) - link.
5. Mango rev.1037 (Network programming library) - link.
6. DDL rev.285 (Dynamic run-time linking of executables) - link.
7. DDBI rev.59 (D DataBase Interface) - link.

(more…)

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The Problem:

I’m sure that this problem is pretty common, since it already happened to me a few times:

When I tried to compile some source package under Linux (like the GDC compiler for the D language), the whole make process started to go into an infinite loop at a certain point. It ran ./configure for a subdirectory and then the make tool said something like:

make[1]: Warning: File `...' has modification time
         9.4e+02 s in the future

and then started with the ./configure right back again. I didn’t understand, I had done this a few hours earlier on an identical operating system (Ubuntu 7 Feisty) at work, now I go home and it doesn’t work! (more…)

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