Most answered questions in Linux Administration

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1 answer

Can we patch azure linux vm using ansible?

Hi@avinash, You can connect your Azure VM from ...READ MORE

Oct 29, 2020 in Linux Administration by akhtar
 • 38,230 points • 1,645 views
0 votes
1 answer

Copy files from one Linux system to another Linux system.

Hi@akhtar, You can copy your files from one ...READ MORE

Oct 21, 2020 in Linux Administration by MD
 • 95,440 points • 1,130 views
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1 answer

Select unique lines along with their count in Linux.

Hi@akhtar, You can find the unique entries from ...READ MORE

Oct 20, 2020 in Linux Administration by MD
 • 95,440 points • 414 views
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1 answer

How to sort text alphabetically in Linux system?

Hi@akhtar, In the Linux system, you will find ...READ MORE

Oct 20, 2020 in Linux Administration by MD
 • 95,440 points • 23,811 views
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1 answer

How to find the first field from a file in Bash Shell?

Hi@akhtar, You can extract text from a file. ...READ MORE

Oct 20, 2020 in Linux Administration by MD
 • 95,440 points • 835 views
0 votes
1 answer

Select sections of text from each line of files in a Bash shell.

Hi@akhtar, There is no inbuild command available for ...READ MORE

Oct 20, 2020 in Linux Administration by MD
 • 95,440 points • 723 views
0 votes
1 answer

How to create nested directories with a single command in linux?

Try this command. mkdir -p /parent_dir/son_dir READ MORE

Oct 19, 2020 in Linux Administration by anonymous
 • 19,610 points • 1,911 views
0 votes
1 answer

How to run one command inside another command in Linux?

Hi@akhtar, You can run multiple commands in your ...READ MORE

Oct 15, 2020 in Linux Administration by MD
 • 95,440 points • 2,598 views
0 votes
1 answer

What is the linux command to find Memory and CPU usage in percent for last 30 days?

Try the following: Cat proc/meminfo top top -i less /proc/memin ...READ MORE

Oct 14, 2020 in Linux Administration by Kim
 • 2,123 views
0 votes
1 answer

How to find Resident Set Size of a process in Linux?

Hi@akhtar, RSS is a memory currently used by ...READ MORE

Oct 12, 2020 in Linux Administration by MD
 • 95,440 points • 1,353 views
0 votes
1 answer

How to measure the time required to run a program?

Hi@akhtar, You can use the time command in ...READ MORE

Oct 12, 2020 in Linux Administration by MD
 • 95,440 points • 436 views
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1 answer

How to find the process ID of a program?

Hi@akhtar, You can find one program named pgrep ...READ MORE

Oct 12, 2020 in Linux Administration by MD
 • 95,440 points • 605 views
0 votes
1 answer

Dynamic real-time view of the running system in Linux.

Hi@akhtar, The top command is used to show the ...READ MORE

Oct 12, 2020 in Linux Administration by MD
 • 95,440 points • 1,625 views
0 votes
1 answer

How to gather CPU architecture information of a Linux system?

Hi@akhtar, You can use lscpu command to check ...READ MORE

Oct 12, 2020 in Linux Administration by MD
 • 95,440 points • 466 views
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1 answer

Error lscpu: command not found.

Hi@akhtar, By default, this command should present in ...READ MORE

Oct 12, 2020 in Linux Administration by MD
 • 95,440 points • 1,304 views
0 votes
1 answer

Kali linux installation

Hi@Kojokojo, You can check your partitions using the ...READ MORE

Oct 12, 2020 in Linux Administration by MD
 • 95,440 points • 394 views
0 votes
1 answer

How to take care of the latency in file(s) transfer from source to destination when both systems are from different domains ???

If u copy single files, it takes ...READ MORE

Oct 6, 2020 in Linux Administration by Kim
 • 646 views
0 votes
1 answer

How to configure Gmail in centos7 to send notifications to specific email id's ?

Hi@Shashl, You can use python script in your ...READ MORE

Oct 5, 2020 in Linux Administration by MD
 • 95,440 points • 992 views
0 votes
1 answer

Capture packets from destination IP in Linux.

Hi@akhtar, To capture packets from destination IP, say you ...READ MORE

Oct 4, 2020 in Linux Administration by MD
 • 95,440 points • 426 views
0 votes
1 answer

How to capture Packet from specific port?

Hi@akhtar, Let’s say you want to capture packets ...READ MORE

Oct 4, 2020 in Linux Administration by MD
 • 95,440 points • 2,216 views
0 votes
1 answer

How to capture only TCP packets in Linux?

Hi@akhtar, You can use tcpdump command for this ...READ MORE

Oct 4, 2020 in Linux Administration by MD
 • 95,440 points • 539 views
0 votes
1 answer

Capture and Save Packets in a File in Linux.

Hi@akhtar, You can use tcpdump command to save ...READ MORE

Oct 4, 2020 in Linux Administration by MD
 • 95,440 points • 5,365 views
0 votes
1 answer

How to display captured packets in HEX and ASCII in Linux?

Hi@akhtar, To display the packet value you can ...READ MORE

Oct 4, 2020 in Linux Administration by MD
 • 95,440 points • 26,356 views
0 votes
1 answer

How to display available interfaces in Linux system?

Hi@akhtar, You can use tcpdump command in your ...READ MORE

Oct 4, 2020 in Linux Administration by MD
 • 95,440 points • 687 views
0 votes
1 answer

How to capture Packets from Specific Interface in Linux?

Hi@akhtar, You can use tcpdump command in your ...READ MORE

Oct 3, 2020 in Linux Administration by MD
 • 95,440 points • 1,396 views
0 votes
1 answer

How to Install tcpdump in Linux?

Hi@akhtar, Many Linux distributions already shipped with tcpdump tool, if ...READ MORE

Oct 3, 2020 in Linux Administration by MD
 • 95,440 points • 843 views
0 votes
1 answer

How to change the current time in Linux system?

Hi@akhtar, You can use timedatectl command in your ...READ MORE

Sep 25, 2020 in Linux Administration by MD
 • 95,440 points • 478 views
0 votes
1 answer

How to stop automatic time update in Linux?

Hi@akhtar, You can find one command in the ...READ MORE

Sep 24, 2020 in Linux Administration by MD
 • 95,440 points • 2,208 views
0 votes
1 answer

How to find all files containing specific text on Linux?

Hi@akhtar, Linux systems have one interesting command name grep. ...READ MORE

Sep 22, 2020 in Linux Administration by MD
 • 95,440 points • 975 views
0 votes
1 answer

How to delete an exported environment variable?

Hi@akhtar, To set an environment we used export ...READ MORE

Sep 22, 2020 in Linux Administration by MD
 • 95,440 points • 2,490 views
0 votes
1 answer

Error while installing Let's Encrypt SSL on My Website

Hi@Hitesh, There may be a firewall issue. Check ...READ MORE

Aug 24, 2020 in Linux Administration by MD
 • 95,440 points • 555 views
0 votes
1 answer

How to change the group of a folder in Linux system?

Hi@akhtar, You can use chgrp command in your ...READ MORE

Aug 14, 2020 in Linux Administration by MD
 • 95,440 points • 1,131 views
0 votes
1 answer

How to add user to a group in Linux system?

Hi@akhtar, In Linux, different users have different roles ...READ MORE

Aug 14, 2020 in Linux Administration by MD
 • 95,440 points • 523 views
0 votes
1 answer

How to create a group in Linux system?

Hi@MD, On Linux, group information is held in the /etc/group file. ...READ MORE

Aug 14, 2020 in Linux Administration by akhtar
 • 38,230 points • 596 views
0 votes
1 answer

How to change the owner of any folder in Linux system?

Hi@akhtar, Linux system has one command named chown. This ...READ MORE

Aug 14, 2020 in Linux Administration by MD
 • 95,440 points • 1,020 views
0 votes
1 answer

chmod: changing permissions of '/root/': Operation not permitted

Hi@akhtar, You got this error because your user ...READ MORE

Aug 14, 2020 in Linux Administration by MD
 • 95,440 points • 136,136 views
0 votes
1 answer

How to remove write permission from a folder in Linux system?

Hi@akhtar, You can use chmod command to remove ...READ MORE

Aug 13, 2020 in Linux Administration by MD
 • 95,440 points • 2,995 views
0 votes
1 answer

ls: cannot open directory '.': Permission denied

Hi@akhtar, You got this error because your user ...READ MORE

Aug 13, 2020 in Linux Administration by MD
 • 95,440 points • 25,082 views
0 votes
1 answer

How to give the read power of a folder in Linux system?

Hi@akhtar, You can use chmod command in your ...READ MORE

Aug 13, 2020 in Linux Administration by MD
 • 95,440 points • 667 views
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1 answer

-bash: cd: /root/: Permission denied

Hi@akhtar, You got this error because your user ...READ MORE

Aug 13, 2020 in Linux Administration by MD
 • 95,440 points • 43,634 views
0 votes
1 answer

How to check permissions of a folder in the Linux system?

Hi@akhtar, You can use ls command to check ...READ MORE

Aug 13, 2020 in Linux Administration by MD
 • 95,440 points • 8,980 views
0 votes
1 answer

How to check permissions of a file in the Linux system?

Hi@akhtar, If you prefer using the command line, ...READ MORE

Aug 13, 2020 in Linux Administration by MD
 • 95,440 points • 1,486 views
0 votes
1 answer

Error:mvn clean install" in my linux machine to build a maven Project

Hello @Niroj , You need to double check the PATH environment ...READ MORE

Aug 6, 2020 in Linux Administration by anonymous
 • 82,880 points • 2,785 views
0 votes
1 answer

How to configure yum in RedHat system?

Hi@akhtar, By default, RedHat has one ISO file. ...READ MORE

Jul 28, 2020 in Linux Administration by MD
 • 95,440 points • 1,791 views
0 votes
1 answer

How to install MySQL in Linux system?

Hi@akhtar, You need to install the software for ...READ MORE

Jul 26, 2020 in Linux Administration by MD
 • 95,440 points • 669 views
0 votes
1 answer

How to recover deleted LVM in linux?

Hi@akhtar, Using the command vgcfgrestore we can recover deleted ...READ MORE

Jul 9, 2020 in Linux Administration by MD
 • 95,440 points • 1,352 views
0 votes
1 answer

How to configure FTP server in Linux System?

Hi@akhtar, You need to install vsftpd software in ...READ MORE

Jul 9, 2020 in Linux Administration by MD
 • 95,440 points • 623 views
0 votes
1 answer

How to format Logical Volume in Linux?

Hi@akhtar, In Linux, you can find lots of ...READ MORE

Jul 9, 2020 in Linux Administration by MD
 • 95,440 points • 739 views
0 votes
1 answer

How to increase Logical Volume Size in Linux?

Hi@akhtar, To increase the Logical Volume Size, the ...READ MORE

Jul 9, 2020 in Linux Administration by MD
 • 95,440 points • 1,012 views
0 votes
1 answer

Volume group "mylv" not found Cannot process volume group mylv

Hi@akhtar, You got this error because your command ...READ MORE

Jul 9, 2020 in Linux Administration by MD
 • 95,440 points • 4,226 views
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