Moodle – mysql/mariadb Antelope to Barracuda installation warning

I tried to install Moodle 3.5.2 on cPanel server and got this warning in installation process:

“Your database has tables using Antelope as the file format. You are recommended to convert the tables to the Barracuda file format. See the documentation Administration via command line for details of a tool for converting InnoDB tables to Barracuda.”

Because this was production hosting server, I was unable to just globally change mysql settings. To be able to proceed installation, open config.php file of your moodle and change variable dbcollation like this:

dbcollation' => 'utf8_unicode_ci'

[kofi]

YUM: Error: Network error: Connection reset by peer

If you get this error message when trying to install packages via yum package manager, than just execute command bellow and it should fix your problem.

yum clean expire-cache

Directadmin/Letsencrypt – Domain does not exist on the system. Unable to find your.hostname.com in /etc/virtual/domainowners

A few days ago I was doing complete migration of old Directadmin server to new Directadmin server which had different hostname. Everything went well but I was unable to register Letsencrypt SSL certificate for new server hostname.

I was getting error like this:

[root@myserver scripts]# ./letsencrypt.sh request my.server.com 4096
Domain does not exist on the system. Unable to find my.server.com in /etc/virtual/domainowners. Exiting...
no valid domain found - exiting

First thing I did is I add new hostname as domain to user admin. Certificate was indeed registered than, but not as server hostname (/usr/local/directadmin/conf/cacert.pem). I deleted domain than.

After a little search I found out that I forgot to change servername variable in directadmin.conf. So I changed it, restart directadmin but I was getting the same error. At the end I found out that the easiest way to fix this is to change hostname in Directadmin administration.

  1. Go to Directadmin as admin user and navigate to Administrator Settings, then set some temporary hostname in Server’s Hostname. Let’s say my.server2.com.
  2. Wait until cron will make changes – you should see new hostname in Administrator Settings when refreshing page.
  3. Go in Administrator Settings again and change Server’s Hostname to your old hostname – my.server.com.
  4. Run letsencrypt.sh again.

This time, certificate was registered successfully.

[root@myserver scripts]# ./letsencrypt.sh request my.server.com 4096
Setting up certificate for a hostname: my.server.com
Generating 4096 bit RSA key for let's encrypt account...
openssl genrsa 4096 > "/usr/local/directadmin/conf/letsencrypt.key"
Generating RSA private key, 4096 bit long modulus
...

[kofi]

Install PHP extension on Directadmin – fast and easy way (without custombuild)

Directadmin is pretty good, lightweight, control panel for providing web hosting service or to host your own websites/projects, managing mail … Through the years, I recompiled PHP with custombuild countless times. Problem is, that every time that you want to install some new PHP extension – exif, in this example – you’ll have to rebuild whole PHP with Directadmin’s custombuild also. That can be very annoying and time-consuming. Expesialy when things go wrong. So, there is simple way on how to quickly install PHP extensions without using custombuild. I used this way many times. In this case, installation was done on CentOS 7.2 server with Directadmin and PHP version 5.6.23.

I hope this was helpful to you in any way.

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