How to monitor disk performance iowait on Linux
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
Operating Systems
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
How to deal with fatal error: sql.h: No such file or directory when installing pecl sqlsrv
Background Whilst following Microsoft’s official instructions on how to install SQL Server for PHP, you might encounter the following problem: /tmp/pear/temp/sqlsrv/shared/xplat.h:30:10: fatal error: sql.h: No
BASH – How to count the number of IP addresses in a log file
Background Sometimes it’s useful to see how many times a specific IP address appears in a log file. In this article we explore one method
An example of Grub settings – and when to run update-grub
Background Grub controls the boot process menu, and has a number of interesting settings. Here is an example of grub settings: Example ~$ cat /etc/default/grub