How do you remove commit history in GitHub
Background In some circumstances it will make sense to remove commit history from a GitHub repo. On public repositories you might want to do this
Category: Operating Systems
How to determine what kind of virtualization technology your host is using
Background Use this handy command to determine what kind of virtualization your server is running: sudo dmidecode -s system-manufacturer If the utility doesn’t exist, simply
How to monitor disk performance iowait on Linux
Description When your hard disk run slow, your entire system slows down. So it figures the key to monitoring performance on any server implies monitoring
How to see disk usage using the Linux command line
Description Disk usage on subdirectories on Linux are not entirely easy to see and you have to use the du command to see how much
How to list all USB devices in Linux
Description Use any of the following commands to list USB devices on a Linux system. lsusb is the most concise. The dmesg commands are quite
How to add a shebang to a bash script
Description A shebang or bang is a line of text at the top of a Bash script which tells the Unix operating systems which interpreter
How to compare two files using BASH on the command line
Description To quickly compare two files using the Unix BASH command line, do the following: egrep -f DatabasesToDump.txt DatabasesToDump2.txt
How to automatically get a nodejs service to start up after reboot
Description Getting a service to start up after reboot is easy with Linux and crontab In the example below, we have a Unix user called
How can I see how big my WHM backup is?
Background Determining the size of a WHM backup is not entirely straightforward. For example, it’s not displayed in the daily report or in the UI.
How to use an SSH tunnel and a SOCKS proxy to browse via another Linux box
Background Certain mail black delisting services such as Project Honeypot requires you to access their delisting page from the IP address of the machine that
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