Jack Wallen

If your network doesn’t allow connections into the default VNC port 5901, you can tunnel it through SSH.

Jack Wallen walks you through the steps for installing Ansible and connecting a node.

Combining a Kanban board with Nextcloud creates a powerful, in-house collaboration tool that can ease your project management tasks.

With a bit of work, Icinga2 can monitor a data center node’s internal health parameters via a secured channel master/client set up.

If you’re serving up websites from your Linux data center and using NGINX, you need to enable SSL for a more secure solution.

Jack Wallen explains how to add data into a MySQL table from the command line.

Jack Wallen shows you how to add network shares to Chrome OS with ease.

If you’ve adopted Ubuntu Server 18.04, and you want to add a desktop environment, Jack Wallen shows you how with a couple of easy commands.

Your CentOS 7 servers are rock solid, but could still use a bit of help. Find out how to install an easy to use intrusion detection system in less than five minutes.

Your Ubuntu Server might be vulnerable to attacks. To prevent unwanted logins, Jack Wallen shows you how to install intrusion detection system, fail2ban.

There’s a command line tool for running multiple commands on multiple Linux servers at once. Jack Wallen shows you how with Parallel-SSH.

Jack Wallen shows you how to add a remote server to the Zabbix monitoring system, so you can keep track of all your data center Linux servers from a single location.