linux Archives - blog.icod.de

How to Create Swapfile on Linux (Ubuntu, Fedora, Alma)

Darko Luketic — Tue, 13 Jan 2026 11:41:20 +0000

Do you need to create swapfile configurations for your Linux server? Whether you are managing a high-performance VPS or a local workstation, running out of memory can abruptly crash your database or web server. In this guide, we will walk you through the standard process for Ubuntu, Fedora, Debian, and RHEL-based systems like AlmaLinux. Even…

The post How to Create Swapfile on Linux (Ubuntu, Fedora, Alma) appeared first on blog.icod.de.

Save Linux state, boot other OS and resume later ChatGPT response

Darko Luketic — Fri, 29 Aug 2025 10:25:59 +0000

Model: ChatGPT-5 Thinking Question: Is it possible to save a Linux machine state to disk, kind of like a sleep, boot a different system and when booting the system with the saved state resume from that saved state? Short answer: yes, but only with strict caveats. Linux “hibernate” (aka suspend-to-disk) writes RAM to swap, powers…

The post Save Linux state, boot other OS and resume later ChatGPT response appeared first on blog.icod.de.

Using Logitech G915 X G-Keys (Macro keys) on Linux (Cinnamon)

Darko Luketic — Sat, 02 Aug 2025 12:24:32 +0000

I’m running arch linux with the Cinnamon Desktop Environment. I have recently bought a Logitech G915 X keyboard and I’m missing the macro key to launch the gnome-terminal program. Lucky Cinnamon has custom shortcuts. Go to System Settings. Keyboard. Shortcuts. There are 2 options for you. 1. Launchers Under Launchers, there’s “Launch terminal” and you…

The post Using Logitech G915 X G-Keys (Macro keys) on Linux (Cinnamon) appeared first on blog.icod.de.

How to have a nice looking prompt in Rocky Linux

Darko Luketic — Sun, 26 Nov 2023 16:31:44 +0000

Well, Gentoo isn’t all bad. It has a very nice prompt. It displays the root user in RED and the non-root user in GREEN. So in order to have a nice looking prompt in Rocky Linux, just copy the Gentoo /etc/bash/bashrc to /etc/bashrc in Rocky. Or paste this here to /etc/bashrc [crayon-69c8a7ace8e10947288441/]

The post How to have a nice looking prompt in Rocky Linux appeared first on blog.icod.de.

sshd sftp chroot jail howto

Darko Luketic — Thu, 05 Oct 2023 15:00:42 +0000

Problem description: You would like to jail users to their home directories and not allow shell access, only sftp access. Solution: SFTP chroot jail 1. Create a system group. Here I call it sftponly. [crayon-69c8a7ace8e63042666472/] 2. edit the sshd_config file, usually residing in /etc/ssh/sshd_config (in weird opensuse it’s in /usr/etc/sshd/ ) and append (it needs…

The post sshd sftp chroot jail howto appeared first on blog.icod.de.