There are cases where I prefer to install and use Gnome fallback mode (Gnome Flashback in recent system versions) instead of full-blown Unity desktop. I will give you simple instructions on how to change default session manager.
It is an interesting thing to know how to parse and process Linux Software RAID events. It is also very useful as you can automatically take appropriate action immediately after a certain event occurs.
Today I want to show you how to perform base PostgreSQL backup using standard file system utilities. It is great example as it briefly describes basics required before moving to more advanced topics.
There are many different ways to set NOOP scheduler on the first hard drive at system boot.
The more hard drives are lying around and the more you use them, then it becomes more important to know how to unambiguously determine file system type without mounting it.
Sometimes, I want to prevent regular users from logging into the system to perform more complex operations. To achieve that, I am using Pluggable Authentication Modules for Linux to temporarily disable user logins.
Sometimes I want to monitor and log particular PostgreSQL statements or execute other kind of external action. In order to achieve this, I am using simple notify mechanism and slightly modified sample application found in database documentation.
This is a follow up to the previous article. I will briefly describe a way to boot Debian installation ISO image from USB flash drive using syslinux bootloader.
Today, I will show you how to create customized USB flash drive to boot selected ISO images using Syslinux bootloader for Linux ext4 filesystem. It is very handy and useful, so let's begin immediately.