Category: "Centos"
DMARC / DKIM
October 11th, 2022After some more trouble with email, I decided to set up DMARC / DKIM to help prevent major email servers from rejecting email from strav.net
How To Install and Configure DKIM with Postfix on Debian Wheezy
Setup OpenDKIM
docker-dmarc-report
How to Recover GRUB 2 Bootloader in CentOS 8
October 11th, 2022The linked article details how to recover the GRUB 2 Bootloader in Centos 8 (and likely other similar distros)
Install Java on Centos/Rocky
October 10th, 2022How To Migrate from CentOS 7 to Rocky Linux 8
October 9th, 2022This article explains how to migrate from Centos 7 to Rocky Linux 8. Note that I experienced numerous issues doing this and there is NO official way to perform this migration. The 'proper' way to do this is to install Rocky Linux 8 from scratch.
Centos 7 yum issue
March 22nd, 2021I had an issue recently where yum update did not work. Here is a link to a solution that worked for me:
