Categories
ubuntu

x11vnc Server on Ubuntu 20.04

I desired a fast VNC solution for use within my local network for a couple machines. One, a desktop running Ubuntu 20.04 with Gnome and another a Raspberry Pi 4B+ (4G). After some research I decided on x11vnc as the VNC server running as a systemd service. After a straightforward installation all that was needed […]

Categories
bash scripting

Bash Conditionals with RegEx and other Comparisons

There are many times when using regular expressions for comparisons is the best option. In this case a bash script being written for a cron job required date format comparison. Using a regular expression makes it easy and easily adjustable if needed in the future to handle other formats. The quick comparison of a variable […]

Categories
system administration

Schedule Backup of Archiving Files

This was written initially to backup raspberry pi machines in order to backups of photos of birds. On several Raspberry Pi machines (zero, 3B+, 4B+) there are ever increasing files captured by various services and processes. These eventually fill up the drives, particularly quickly on the smaller SD Cards. This post simply reminds me of […]

Categories
networking

Disable IPv6 on Ubuntu 20.04

IPv6 for the normal desktop user of Ubuntu is a bit much and frankly, I desired to know the requirements to accomplish disabling it. The following is a brief description of the necessary steps. If you know of other ways or flaws in the following please let me know. This is an experiment so do […]

Categories
system administration

OpenVPN on Boot – Debian/Ubuntu Based Systems

Install OpenVPN. Create OpenVPN client configuration file for your VPN provider. Usually these come in the form of the URI name with an .ovpn extension (i.e. us-nyc.provider-udp.ovpn). General OpenVPN information may be found at https://openvpn.net/community-resources if you require further documentation on configurations. If you purchased a VPN service there should most certainly be files provided, […]