General

Start by enabling the Certbot repository: sudo add-apt-repository ppa:certbot/certbot Next, update the package list: sudo apt update Next, install the Certbot Apache package: sudo apt install python-certbot-apache Finally, obtain the…

To get the size of a folder along with all files and folders contained therein you can run the following command: du -sh folder-name/* Should you only want the size…

Since the default port on which Tomcat operates is port 8080, you might want to provide users with the ability to access your web application without the need to succeed…

In order to use Tomcat with Apache it is necessary to enable the mod_proxy module for Apache to forward all requests on ports 80 and 443 to port 8080. Tomcat…

To mount an NFS share in Ubuntu you need to install nfs-common: sudo apt-get install nfs-common Next, create the directory to which you would like to mount the share: sudo…

To remove a node from a Proxmox cluster you will need to SSH into any node other than the one you want removed. Next, identify the name of the node…

If you receive the following error when trying to use SFTP: Received unexpected end-of-file from SFTP server This can be solved as follows: sudo nano /etc/ssh/sshd_config Comment out the following…

Installing the Unifi controller on Ubuntu can be quite a mission if Mongodb isn't installed. Install Mongodb with: sudo apt install mongodb There are number of issues around Plymouth which…

Let's say you have a folder somewhere on your local machine and you want Apache to serve your website from this folder. First, remove the html directory with: sudo rm…

So you've lost your IntelliJ shortcut/icon after updating to the latest version. The wonderful folks at JetBrains allow you to generate a new shortcut by going to: Tools -> Create…