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Email
Postfix DKIM Records and Postfix SPF Records
Now we have our Postfix server sending and receiving emails it’s time to do some tidying up. You should configure…
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Email
Install Dovecot IMAP/POP3 Server on Postfix With TLS
In the first article, we learnt how to install Postfix on our Ubuntu NVMe VPS Server. We configured Postfix to…
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Email
Install Postfix Email Server on Ubuntu
Postfix, created by Wietse Venema, emerged as an alternative to the venerable Sendmail program. Its journey began at IBM Research, and after…
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MySQL/MariaDB
MariaDB Galera Cluster Crash. Recover a Galera Cluster.
MariaDB Galera Clusters are designed to be online all of the time. A MariaDB Galera cluster can deal well with…
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Web Servers
Install Redis Object Cache for WordPress on Ubuntu 22
Redis Object Cache in WordPress is a powerful object caching mechanism that enhances the performance of your WordPress site. Over 65%…
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MySQL/MariaDB
Install MariaDB Database Replication. MariaDB Galera Database Cluster
Buckle up. We’re going to take another look at replicating MariaDB databases. Previously we’ve looked at MySQL Replication using the…
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Web Servers
Disable CORS protection on OpenLiteSpeed Servers
Cross-Origin Resource Sharing (CORS) is an essential mechanism in web development that allows our NVMe VPS Servers to control which…
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Email
Install Exim Email and Dovecot on Ubuntu and Debian Servers.
Since the demise of CentOS, many people are looking towards Ubuntu and Debian to take advantage of their LTS versions.…
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Operating Systems
How To Upgrade Ubuntu 20.04 LTS to Ubuntu 22.04 LTS
In this article, we are going to upgrade an Ubuntu 20 Focal Fossa VPS Server to Ubuntu 22 Jammy Jellyfish.…
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Linux
How to find and delete large files. Clear space in Linux Servers
One of the most important tasks of managing your Linux Server is keeping up with resource usage. If you run…
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