Bluetooth devices (mouse / headphones) not reconnecting automatically
You might end up in a situation where your Bluetooth devices do not re-connect automatically. The solution is: 1) apt remove blueberry -y && apt
Operating Systems
How to set up SNMP for CentOS
Background This guide explains how to install SNMP on CentOS. Procedure Install the core library. Please note, this excludes snmpwalk: yum install net-snmp Later in
How can you see how many virtual CPUs / vCPU cores is on a VPS Hosted server?
Background It’s really useful to see how many virtual CPUs (vCPU) cores you have when you’ve just upgraded your VPS hosting. Use the command below
What is my IP address? How can I determine my IP address reliably from the command line using Linux?
Introduction This article explains how to get the IP address of a computer as viewed from the outside. The reason why you might want to
Where is killall on CentOS?
Help! My CentOS server is running away from me and I can’t find killall! Where is killall? Use pkill process instead, e.g. pkill apache2 Reference:
Bind fails but no log file that show anything
Your named server suddenly stops working. You go into a mild panic because restarting the service doesn’t show you where it’s failing. It’s as if
How to get special characters on a Linux keyboard
On Linux Mint, you can get special characters by using the right Alt key. Press the right Alt key, and then then press the special
How to recover a Linux Mint / Ubuntu System’s Root Password
This article explains how to get your Linux system password reset. To reset your lost or fogotten password: Reboot your computer / Turn your computer
How to recover/reset forgotten Gnome Keyring Password?
What is a Linux Keyring? A Linux keyring is a system component that securely stores and manages sensitive information such as passwords, authentication tokens, and
How do you take a screenshot on a Linux desktop?
Printscreen works. If you’re using Chrome, try Awesome Screenshot, but it’s got flaws and sometimes just doesn’t work. 95% good, 5% bad. Otherwise, try: sudo