What is an Alias? If you find yourself typing the same command over and over again, you can create a shortcut for it called an alias. An alias can be thought of as a text expander. Creating aliases for commands that are really long is also a common practice. For example, if you type ls … Read more
Displaying private IP addresses You can determine the IP address or addresses of your Linux system by using the hostname, ifconfig, or ip commands. To display the IP addresses using the hostname command, use the -I option. In this example the IP address is 192.168.122.236. The ifconfig command can also be used to display the … Read more
To reuse the arguments from the previous command line on the current command line, use “!*“. The arguments are considered anything on the command line, except for the first item. Since the first item is almost always a command, then everything following is an argument. Using this shortcut can be helpful in a couple of … Read more
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To run the most recent command that begins with a given string, use an exclamation mark followed by that string. For example, to run the last command that started with a “d”, type “!d“. Specify as much of the string to make it unique. If you have several commands in your recent history that begin … Read more
Time and time again I find myself needing to run another command against the last item on the previous command line. To access that item in your current command, use “!$“. When I’m done with a file, I delete it, as in this example. jason@linuxsvr:~$ mkdir restored jason@linuxsvr:~$ cd !$ cd restored jason@linuxsvr:~/restored$ unzip ~/Downloads/backup.zip … Read more