This error pops up if the repository has been previously added, but not properly/partially installed, or if you don’t have the repository at all. To ensure that we don’t already…
Solved – Error: Enable to find a match: zabbix-agent
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Cannot find package perl-Linux-Inotify2 on Cloudlinux 8
When trying to install perl-Linux-Inotify2 on Cloudlinux 8, you might encounter the following error: missing groups or modules: perl-Linux-Inotify2 To fix this, you simply need to enable the perl module…
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Encrypt sensitive passwords in Ansible playbook
Keeping passwords in Ansible playbooks can be a bad idea, and as such these passwords should be encrypted. Passwords can be encrypted by using the ansible-vault command with the parameter…
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Ansible – check if file contains text
This is perhaps an unorthodox way to check if a file contains specific text, but it does seem to be the simplest and mostly commonly recommended on Ansible forums. The…
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Train SpamAssassin SPAM with .eml file
SpamAssassin has a neat tool called sa-learn which allows you train SpamAssassin with various files as to what it identifies as SPAM and HAM (not SPAM). Assume you have an…
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How to setup Nginx reverse proxy in Docker on Ubuntu 22.04
If you have multiple services running internally, and don’t have public IP’s (or don’t want) to expose these services, a reverse proxy can come in handy. A reverse proxy can…
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Screen sharing not working Discord Ubuntu 22.04 – Disable Wayland
A bug I noticed with Wayland enabled on Ubuntu 22.04 caused Discord screen sharing to show as a blank black screen. To resolve this you need to disable Wayland. To…
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Specify Ansible Python interpreter on Task/Host
Sometimes setting a global Python Interpreter isn’t ideal as some hosts and tasks may require different interpreters. Specify Python Interpreter on Task level This will select the most appropriate Python…
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Improve battery life/performance on Ubuntu with TLP
TLP is a very nifty piece of software to improve battery life on Linux laptops, and it comes with external kernel modules for Lenovo ThinkPad’s which further improve battery life….
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Bitwarden CLI – DSO_load:could not load the shared library solution
This a problem with the OpenSSL library on Ubuntu 22.04. To solve this, edit the openssl.cnf file as follows: Comment out the following line: Re-run Bitwarden CLI or any other…
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