pts.blog

This blog post explains how to dump the flattened version of /etc/passwd and /etc/group files on a Unix system when some user and group en...

This blog post explains how to run asynchronous, coroutine-based client and server I/O libraries like Syncless, gevent and Concurrence on Li...

This blog post explains how to implement the C printf() function in C++ in a typesafe and convenient way. The most important advantage of ...

This blog post explains how to drop in-memory cache of data on disk (pagecache, dentries, inodes) on Linux. Dropping the cache is useful if ...

A restaurant called fork() has recently been opened in our office building. The name was suggested and chosen by engineers. I imagine what ...

This blog post explains how to write a C++ program and compile with GCC ( g++ ) so that the resulting binary doesn't depend on libstdc++...

This blog post explains how to boot GRUB from SysLinux. Only GRUB1 is covered, the solution explained doesn't support GRUB2. Older vers...

This blog post explains how to get multiple clickable desktop notifications (i.e. those that were present on Ubuntu Hardy) on the default GN...

This blog post documents my unsuccessful software archeology attempt to find the origin and the author of the famous PostScript tiger color...

This blog post shows (with a counterexample) that C++ is not a superset of C, i.e. there is a valid C program which is not a valid C++ progr...

This blog post lists the browser compatibility issues (with solutions) I've encountered when creating a simple HTML(4) + JavaScript + CS...

This blog post is to announce uevalrun. uevalrun is a self-contained computation sandbox for Linux, using User-mode Linux for both compila...

Recently Skype has introduced the requirement of registration or logging in on its web page before downloading the Windows version of their ...

This blog post explains how to share two desktops (screen, keyboard and mouse) without software installation (on Linux) and firewall configu...

This blog post explains how to share two desktops (screen, keyboard and mouse) without software installation (on Linux) and firewall configu...

This blog post explains how to disable PulseAudio on Ubuntu Lucid without uninstalling it. The solution described here may work on other Lin...

This blog post gives instructions how to get rid of the GNOME panel menu delay, i.e. the small delay one experiences when moving the mouse p...

This blog post is an announcement for pysshsftp , a proof-of-concept, educational SFTP client for Unix, which uses the OpenSSH ssh(1) comman...

This blog posts shows program source codes that work in multiple languages (including Haskell, Prolog, Perl, Perl and Python). Here is a pr...

This blog post explains how to upload a video to Google Picasa from Linux, Mac OS X and Windows. It is not possible to upload a video to Pi...

This blog post contains information about some digital cameras and their corresponding batteries and battery chargers. The Panasonic Lumix ...

This blog post shows a proof of concept implementation which can be extended to emulate a WebSocket client in JavaScript in browsers where ...

This blog post gives instructions on trying Stackless Python without installing it on Linux systems (32-bit and 64-bit). Use the Stackless ...

This blog post is an announcement of the StaticPython software distribution and its first release. What is StaticPython? StaticPython is...

This blog post explains how to download and start the bleeding edge MariaDB on a fairly recent 32-bit or 64-bit Linux system, for trial and ...

This blog explains how to create a bootable Ubuntu Lucid Lynx (10.04) USB pen drive with persistent storage. Persistent storage means that a...

This blog post gives instructions to add (and generate) locales on Debian and Ubuntu systems. The instructions given here work on Debian Etc...

This blog post shows an approximation of the constant π (3.14...) implemented as a bc program using Machin's formula. Machin's for...

This blog post gives instructions to enable bitmap fonts for GNOME and other Xft X11 applications. The instructions given have been tested o...

Some of my experimenting with Btrfs in Linux 2.6.34 yielded the following results: If only one disk (out of two) contains corrupt data, th...

This blog post explains what an SSH agent does, and then gives initial hints and presents some example code using the ssh-agent wire protoco...