I have already described a simple way to perform base PostgreSQL backup using file system utilities. Now I want to show you a different approach using pg_basebackup utility.
It is an interesting thing to know how to parse and process Linux Software RAID events. It is also beneficial 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. I have decided to use simple systemd service, but alternatively you can use udev to automatically configure every SSD device (see References section).
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.
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.
It is a short entry, but an useful one, as it is important to have a basic knowledge of how to schedule system reboot or power it down automatically at specified time.