How to Find Out Public IP Address via Command Line in Unix/Linux Machine
If you have more than 100 servers in your network; behind a firewall; lazy to access to documentation. Here is the alternative option to find out your machine’s public IP Address via command line $ wget -q -O – http://ipchicken.com…
Linux/Unix Search and Replace Text from Multiple Files
In Linux/Unix, for newbie to do search text from multiple files/folder look like difficult, replacing string from file sound even harder. It’s actually not hard or complicated to search and replace text from multiple files in Unix/Linux. The key is…
Modify or Adjust File Date Time on Unix/Linux
You have folders or files in your server last modified date/time was 3 months ago, sometime for some reason we would like to change files or folders last modified date/time to older or recent date. You can modify the date/time…
How to Create User with useradd in FreeBSD
You can invoke “adduser” command in FreeBSD in order to create new user. Adduser will prompt you for user info like name, uid, gid, shell environment and etc. But sometime we would like to create user access through Bash script….
How to Change Hostname in Unix FreeBSD
We have interesting hostname for our all our servers. Some of it is using Football Team like Manchester, Liverpool, Chelsea, Arsenal. Part of it is striker name like Rooney, Ronaldo and etc. We also have like meganfox, milla, jessicaalba for…
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