CentOS
Installing Opsview Monitoring Agents
First download the correct agent for your distro. In the below examples, this is done from the server using the wget command. You will need to copy the link address from the downloads page to […]
Arch Linux
Usable IP Range from CIDR Notation
Occasionally I need to find the usable IP address range given a particular CIDR notation. Usually I use an online calculator but today I found a better Linux based CLI tool, sipcalc, which save me […]
Arch Linux
The time Command on Arch Linux
Okay so I don’t really understand how the time command appears to be both installed and not installed at the same time but I thought I’d post it here in case it save someone some […]
Arch Linux
PowerShell on Arch Linux
PowerShell on Linux!?! This should be a laugh…. Now to get started, issue the pwsh command: Cool! Looks like it worked! Lets test a couple of commands: List the processes: To list the contents of […]
GitLab
Upgrade GitLab from Version 10.7.3 to 11.4.7
Today I finally found a bit of time to migrate my GitLab instance from one cloud provider to another. Following my own guide on how to migrate to a new instance, I began by installing […]
Arch Linux
Embarrassingly Loud Beep from PC Speaker
I recently started a new job and configured my new laptop with Manjaro i3. Its doing the job well apart from occasionally, and without warning, the PC speaker just starts beeping whenever you press certain […]
API
Supernova on Arch Linux
In a previous article I demonstrated how you can install, configure and use the nova client to manage your Rackspace cloud via the command line using the Restful API. The nova client is great but […]
Arch Linux
SSH headaches when using rxvt-unicode
As much as I love Manjaro i3 Community edition, it does cause me a fair amount of pain when it comes to SSH. Being reasonable, this isn’t really the fault of the distro maintainer but […]
Opsview
Opsview Monitoring Agent on Ubuntu 18.04
To go the download page and select the distro of the host you want to monitor. In my case I’m selecting “Ubuntu Xenial AMD64” as it’s the closest thing to Ubuntu 18.04 listed. If you plan […]
CentOS
Opsview Monitoring 6.0 on CentOS 7
Installation If you’ve not already done so, register and get your license key. On a fresh up-to-date installation of CentOS 7.5, run the below followed by your key. You can do the same without the […]