Linux

Migrate CentOS Linux 8 to CentOS Stream 8

The quick way to migrate CentOS Linux 8 from using regular repositories to streams. If you try to patch your CentOS Linux 8 and get the following error message, then it is time to consider migrating to another distro or continue using CentOS Stream 8 with rolling upgrades. $ sudo dnf update CentOS Linux 8 […]

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Linux

Dovecot backup over SSH using doveadm

This is just a short post about how to do  Dovecot Maildir backup using the command doveadm backup initiated from your home server that is not on the Internet, to your Internet facing mail server using SSH as a secure transport medium. The post is not based on any linux distribution and can be used […]

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Virtualization

Installing Vagrant on CentOS 7

This short post describes how to install the latest version of Vagrant using the libvirt provider on a fresh CentOS 7 (Minimal install). I will not do any security measures to harden this config, anyway not in this post. Vagrant supports different providers in addition to libvirt, like VirtualBox and VMware. I prefer libvirt because […]

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Linux

Install HAProxy 1.8 on CentOS 7

This is just a short write-up on installing HAProxy version 1.8 on CentOS 7 using Software Collections. HAProxy ┬áis an application layer (Layer 7) load balancing and high availability solution that you can use to implement a reverse proxy for HTTP and TCP-based Internet services. I am using it to expose my webservices through a […]

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