Category: Systems Administration

Upgrading mariadb cluster lab

Step 1: Back up your data. Step 2: BACK UP YOUR DATA. Step 3: BACK UP YOUR FRACKING DATA (Never watched the new Battlestar Galactica this is an f-word replacement). You might lose your data. Read the procedure and process and RELEASE notes on Mariadb web site. link as of this publish date: There […]

Read More →

RHCSA exam taking techniques to assist in validation & debugging

If possible go graphical. This makes opening multiple terminal windows easier. But there are more than one interface available in non-graphical mode. ctrl-alt-1-9 or function keys will give you as many debugging interfaces as you need. What do you enter in your debugging interface/session? There are other logs that might be helpful but these did […]

Read More →

Mail stuck inbound ispconfig 3 galera cluster

Nail is stuck in the inbound que complaining about sql/mysql connect issues: Make sure hard coded passwords are the same in in /usr/local There are two config files with two password entries each they must be all the same. The password entries fo the mysql-*.cf files and there are a lt must be the […]

Read More →