Upgrading between major versions of Debian

Here I will document the process of upgrading from each major version release to the next. Between each version, there are subtle differences to watch for in each line of code. When a release is archived, the hostname changes and the <…> paths are removed. Some have naming convention changes. Also, it is a good idea to know the different […]

Fail2ban on OpenBSD 6.0

This is not my article. I found a link to the original article on a Reddit post: https://www.reddit.com/r/openbsd/comments/5e6u61/fail2ban_on_openbsd_60/ The page no-longer exists. I dug up an old copy of the page from the Internet Archive Wayback Machine. The original article was found here: https://blog.gordonturner.com/2016/11/20/fail2ban-on-openbsd-6-0/ Gordon, if this is your article, please forgive the reprint. If you have ever had a […]

Upgrade PostgreSQL 11 to 13

The newer version of Debian 11 comes with PostgreSQL 13. I have the original PostgreSQL 11 running with all my data. Now I’m going to walk through the process of upgrading from PostgreSQL 11 to 13. Be aware this process will work when upgrading from PostgreSQL 9.6 to 11 or 13. Lets see what’s going on. Run pg_lsclusters to see […]