Systemd – Schedule Your Tasks With Timers

You created your own systemd unit files.If you missed the article, you find it here. Now you learn to run it on a schedule – instead of starting it manually. The systemd timer way.

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Systemd – Create Your Own Unit Files

In most enterprises you will meet with systemd.It’s a Linux system and service manager that handles the management of daemons and processes. Most packages installed, for example, by apt will ship systemd unit files too.But some of them need adjustments. For your own tools and services you have to write your own unit files.

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The Operator’s KVM Bible

When the enterprise behind one of the widespread hypervisors was acquired:many sysadmins decided to move on. Only a very few operators dared to rework their processes and architecture. KVM (Kernel-based Virtual Machines) is part of the Linux kernel.It is a stable and fast hypervisor. KVM is not a downgrade. It’s a sideways step.

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The Forgotten Basics: Why ps, grep, and awk Still Beat Fancy Tools

The Forgotten Basics Modern dashboards look impressive. Yet, when systems fail, we return to the shell.The basics – ps, grep, awk, ip, nmcli, sed, uniq, sort – never left. They are still the quickest path between question and answer. This post is not nostalgia. It’s about precision, control, and speed.The old tools survive because they do exactly…

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Basic BASH for SysAdmins – 01: The Shell

BASH is the GNU Project‘s shell that stands for the Bourne Again Shell. It is one of the most commonly used shells on the Linux and BSD systems. It is conform to the IEEE POSIX P1003.2/ISO 9945.2 standard. At the time of writing this article the current version of BASH is bash-5.2.

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