11 Lesser Known Useful Linux Commands

http://www.tecmint.com

Linux command line attracts most of the Linux Enthusiastic. A normal Linux user generally posses a vocabulary of roughly 50-60 commands to carry out their day-to-day task. Linux commands and their switches remains the most valuable treasure for a Linux-user, Shell-script programmer and Administrator. There are some Linux Commands which are lesser Known, yet very useful and handy irrespective of the fact whether you are a Novice or an Advanced User.

Lesser Known Linux Commands

This very article aims at throwing light on some of the lesser known Linux commands which surely will help you to handle your Desktop/Server more efficiently.

1. sudo !! command

Running the command without specifying sudo command will give you permission denied error. So, you don’t need to rewrite the whole command again just put ‘!!‘ will grab the last command.

$ apt-get update

E: Could not open lock file /var/lib/apt/lists/lock - open (13: Permission denied) 
E: Unable to lock directory /var/lib/apt/lists/ 
E: Could not open lock file /var/lib/dpkg/lock - open (13: Permission denied) 
E: Unable to lock the administration directory (/var/lib/dpkg/), are you root?

$ sudo !!

sudo apt-get update 
[sudo] password for server: 
…
..
Fetched 474 kB in 16s (28.0 kB/s) 
Reading package lists... Done 
server@localhost:~$

2. python command

The below command generates a simple web page over HTTP for the directory structure tree and can be accessed at port 8000 in browser till interrupt signal is sent.

# python -m SimpleHTTPServer

==> Read More