Note book to help you and me remember some tricks

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CentOS-8 – AppStream Error: Failed to download metadata for repo ‘AppStream’: Cannot prepare internal mirrorlist: No URLs in mirrorlist

Solution to CentOS 8 AppStream Error As explained here, Centos mirrors have been migrated to vault.centos.org. Then the solution is: After this you can again use the yum command but you won’t received recent updates because Centos mirrors are not… Continue Reading →

Install ansible 5 inside a python virtual environment with python 3.10.4

Note: The following commands are for RockyLinux, RedHat, CentOS, on other distros it will be almost the same. I’ve made the choice to connect to a user called ansible, and inside his home directory I’ve created a directory called ansible,… Continue Reading →

Python and virtual environments on Linux OS

Install python 3.10.4 from source on Rocky Linux or CentOS The following commands are executed as a root user. Virtual Python environment You can install several virtual python environments on your Linux OS. It will allow you to deploy a… Continue Reading →

Hello world!

This my first post. Yet another dev/sysadmin blog?Not completely. This blog has two aims: be like my note book, and help me remember some tricks help you Then I’ll try to publish posts that fill these aims. Thank you for… Continue Reading →

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