Categories:- Unix Commands
Command To Check UP Time of a Linux Server
“uptime” , “w” & “top” command are used to check the uptime of a Linux Server.
uptime : This command tell how long the system has been running. It also gives a one line display of the following information. The current time, how long the system has been running, how many users are currently logged on, and the system load averages for the past 1, 5, and 15 minutes read More
How To Split Big File into Smaller Files in Linux
split command is used to to split large files into smaller files in Unix.. Syntax of Split command :
# split [options] filename prefix
Replace filename with the name of the large file you wish to split. Replace prefix with the name you wish to give the small output files. You can exclude [options], or replace it with either of the following read More
How to Change the Attributes of a File in Linux using chattr Command
chattr : chattr is a command in the Linux operating system that allows a user to set certain attributes on a file residing on an ext2/ext3/ext4 based filesystem. read More
How to Assign the IP Address and Default gateway in Linux From Command Line
ifconfig command is used to assign the ip address to a lan card from the command or from the terminal.
How To Add a non-login User in Linux so that he/she doesn't have shell.
useradd & usermod commands are used to add and modify the users in linux.
When invoked without the -D option, the useradd command creates a new user account using the values specified on the command line plus the read More
Command to Enable/Change the Special Permissions of Files In Linux
Special permissions on files and directories in linux are : SetUID, SetGID and Sticky bit.
With the help of “chmod” command we can implement the special permissions on file and directories.
Command to Set Boot Loader Password in Linux
GRUB (GRand Unified Bootloader) is a boot loader package from the GNU Project. GRUB provides a user the choice to boot one of multiple operating systems installed on a computer or select a specific kernel configuration available on a particular operating system's partitions read More
Command To check the Network Bonding / NIC Teaming in Centos/RHEL
Network Bonding / NIC Teaming is creation of a single bonded interface by combining 2 or more Ethernet interfaces. This helps in high availability.read More
Linux/Unix tar Command with Practical Examples
Tar is archiving utility in Linux. With tar command we can archive multiple files and directories into a single file, extension of that file is “.tar”. gzip and bzip compression techniques can be used with tar command. read More