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This blog post explains how regularly using the Linux tool fstrim increases the write performance of SSDs and NVMEs
Read time: 30 Minutes | Published and last updated: April 25th, 2024
This easy to follow tutorial describes how to host a website with an IPv6 address on a Hetzner Cloud Server running Debian or Ubuntu Linux
Read time: 30 Minutes | Published and last updated: April 24th, 2024
This blog post describes how to manage large numbers of DNS records using git repositories by hosting domains with the DNS service provider luadns.com
Read time: 5 Minutes | Published and last updated: April 24th, 2024
This blog post explains how to encrypt storage devices, such as USB sticks, SD cards or external disk drives, in a way that allows for plausible encryption deniability by using the Linux tool cryptsetup.
Read time: 30 Minutes | Published and last updated: April 23rd, 2024
This extensive tutorial explains everything there is to know about Linux Systemd Timers, including comprehensible examples and explanations of all configuration options.
Read time: 60 Minutes | Published and last updated: April 20th, 2024
Learn to build your first Flutter app with our step-by-step guide to creating a unit converter application. Begin your mobile app development journey today!
Read time: 30 Minutes | Published and last updated: April 6th, 2024
This blog post explains the Gitlab Upgrade Error "The following signatures were invalid: EXPKEYSIG 3F01618A51312F3F" and how to fix it
Read time: 10 Minutes | Published and last updated: March 27th, 2024
This blog post describes how to centralize logs on servers running systemd based Linux distributions using systemd-journal-remote.
Read time: 20-30 Minutes | Published and last updated: March 24th, 2024
Setup a secure SMTP Mail Relay on Debian or Ubuntu Servers with OpenSMTPD instead of Postfix for relaying Emails from (Web) applications to Email providers like Google Workspace or Gmail, Microsoft Outlook or Office 365, ZOHO Mail, Amazon Workmail (AWS) and others.
Read time: 30-45 Minutes | Published and last updated: March 8th, 2024
This post describes howto install and configure Nextcloud on Ubuntu 22.04 using Hetzner dedicated or Cloud servers while using the Hetzner Storage Box, Cloud Volumes or LVM for the Nextcloud data directory.
Read time: 30-45 Minutes | Published: February 23rd, 2024 | Last updated: February 25th, 2024
This blogpost describes how to periodically mirror specific Gitlab repositories to your Github account or organization using the glab and gh cli tools.
Read time: 10 Minutes | Published and last updated: February 16th, 2024
This post describes howto quickly setup a borgbackup2 server with up to 100 backup clients while automating the setup with parallel-ssh.
Read time: 15 Minutes | Published and last updated: February 12th, 2024
This post describes howto setup the Orange Pi 5 Plus, a more powerful small formfactor ARM based computer than the Raspberry Pi 5.
Read time: 10 Minutes | Published and last updated: February 1st, 2024
Here are six of the most interesting OpenSSH commands every Linux Administrator should know!
Read time: 10 Minutes | Published and last updated: January 24th, 2024
While upgrading from the apt installed gitlab omnibus Version 16.6.4-ce.0 on Debian 12, I encountered this error message.
Read time: 3 Minutes | Published and last updated: January 22nd, 2024
While upgrading from the apt installed gitlab omnibus Version 16.6.0-ce.0 on Debian 12, I encountered this error message.
Read time: 3 Minutes | Published and last updated: January 22nd, 2024
This post describes howto use German language Umlauts with US layout keyboards.
Read time: 3 Minutes | Last updated: January 10th 2024 | Published: October 29th, 2013
This post describes how to overcome the hetzner backup space restriction of not being able to set linux uid / gids and so on on the (sshfs) mounted backup space. It does not describe how to do incremental backups using rsync and hardlinks.
Read time: 10 Minutes | Published and last updated: November 26th, 2014
Blog posts from the days Blunix was founded, which can still be found on archive.org.
Published and last updated: 2012 - 2014