One programming language that plays an important role especially in some Linux distro is Perl. In case of Gentoo, which is a source code base distro, dev-lang/perl is even more important than just another programming language. It is the language…
Fix Firefox PGO on Linux
Background As of 2015-03-09 Mozilla Firefox is known as being the fastest web browser out there. Firefox is not only fast but it saves also more memory than Chrome although less than Opera. To make things better it is also…
System recovering after accidentally removing sysvinit
In Unix-based computer operating systems, init (i.e. initialization) is the first process started during booting of the computer system. It is just a daemon that is starting just after the kernel and which reads the /etc/inittab file in order to…
Create your own GNU Linux system from scratch!
Although it might sound odd, creating your own distro from scratch makes sense in certain situations: you want to create a small self-contained (eventually read-only) system that delivers only those components that you want it might be, for instance, a…
Distributed compilation with distcc (x86 vs R-Pi)
With the todays performance of our computer, the speed of compilation has been improved to the point that distributed building could be slower than local builds (it would take much more to throw your files and their dependency over your…
*nix tip of the day: what Linux version am I using?
How to tell the Linux distro version you are using? Since Linux is not exactly the whole ecosystem of computer programs that you are using on your desktop/server but rather the kernel that allocates the physical hardware resources for the…
Gentoo on Raspberry Pi
Few weeks ago I received my long awaited Raspberry Pi board. For those that (yet) don't know what a Raspberry-Pi is, "The Raspberry Pi is a credit-card sized computer that plugs into your TV and a keyboard. It's a capable…
Fix the dvisvgm-1.0.8.ebuild
Today I had to install some a Gentoo package that depends on the app-text/dvisvgm package. No problem, this happens all the time, right? Well, sometimes (especially when you are not in the mood for such things) it happens that to…
Gentoo + Xfce = 98 MB of RAM
I succeed to tune my system so tight as it need only 98 MB of my 2GB of RAM to boot and run Xfce desktop. I am using a custom compiled kernel 3.2.2 SMP x86_64 GNU/Linux which starts in top…
Check Gentoo updates and notify
In Gentoo, to update your portage tree to the latest version one can do: emerge --sync In Gentoo, to fetch and merge the latest available packages into your system one can do: emerge -pvDuN world emerge -DuN world In Gentoo,…