Archive for the ‘Linux Tips’ Category
Linux Tip #9: Create multiple folder or files
Sometime it’s necessary for you to create multiple folders or files. This is normally the case for me when I’m working with the clusters at my work place. Fortunately, In Linux this is easy. Using the “for loop”, one could easily put together a one-liner to see results. See sample below. The initial “ls” shows [...]
Linux Tip #8: grep with color
If you’re running grep on a large file with multipled results, highlighting your results would really easy on your eyes. Here’s how; Export the “GREP_OPTIONS” environment variable to include “–color=auto”. Run the export command below. export GREP_OPTIONS=’–color=auto’ Once you’ve executed the command, run a simple grep to see the highlights in action. Red is the [...]
Linux Tip #7: Disable auto logout in C Shell (csh)
Run the “set autologout=[n]” command to enable or disable the autologout feature in C Shell (csh) Setting autologout to “0″ will disable the autologout feature. set autologout=0 The first line below will set the autologout period to 1 minute and the second line will be 5 minutes. If there is no activity for the set [...]
Linux Tip #6: Download with cURL
Here’s how to download a file using cURL. curl -O [full url to file] curl -O http://downloads.wordpress.org/plugin/simple-tags.1.6.6.zip Sample Output; [root@kmon01 bin]# curl -O http://downloads.wordpress.org/plugin/simple-tags.1.6.6.zip % Total % Received % Xferd Average Speed Time Time Time Current Dload Upload Total Spent Left Speed 100 585k 0 585k 0 0 95317 0 –:–:– 0:00:06 –:–:– 120k
Linux Tip #5: Reload you /etc/inittab file
You made changes to your /etc/inittab file but can’t effort any downtime. There’s a simple trick to reload and apply changes in your /etc/inittab file without a reboot. Run “init q” or “init Q” [root@snoopy ~]# init q [root@snoopy ~]# [root@snoopy ~]# init Q [root@snoopy ~]#
