Latest questions in Linux Administration

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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
 • 95,460 points • 1,446 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
 • 95,460 points • 944 views
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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
 • 95,460 points • 2,984 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
 • 95,460 points • 1,675 views
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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
 • 95,460 points • 3,107 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
 • 95,460 points • 1,004 views
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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
 • 95,460 points • 1,689 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
 • 95,460 points • 1,090 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
 • 38,260 points • 1,245 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
 • 95,460 points • 1,696 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
 • 95,460 points • 143,473 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
 • 95,460 points • 3,689 views
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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
 • 95,460 points • 28,975 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
 • 95,460 points • 1,717 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
 • 95,460 points • 48,533 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
 • 95,460 points • 10,463 views
0 votes
1 answer

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

Chmod  filename READ MORE

Mar 27, 2023 in Linux Administration by anonymous
edited Mar 5 • 2,157 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
 • 82,800 points • 3,408 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
 • 95,460 points • 2,466 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
 • 95,460 points • 1,116 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
 • 95,460 points • 2,237 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
 • 95,460 points • 1,332 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
 • 95,460 points • 1,245 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
 • 95,460 points • 1,668 views
0 votes
1 answer

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

Use lvscan and the absolute path for ...READ MORE

Feb 25, 2023 in Linux Administration by anonymous
edited Mar 5 • 5,090 views
0 votes
1 answer

How to create Logical Volume from Volume Group in Linux?

Hi@akhtar, You can use lvcreate command to create ...READ MORE

Jul 9, 2020 in Linux Administration by MD
 • 95,460 points • 2,521 views
0 votes
1 answer

How to create Volume Group in Linux?

Hi@akhtar, To create a Volume Group, you need ...READ MORE

Jul 9, 2020 in Linux Administration by MD
 • 95,460 points • 1,759 views
0 votes
1 answer

How to create Physical Volume in Linux?

Hi@akhtar, To create Physical volume in the Linux ...READ MORE

Jul 9, 2020 in Linux Administration by MD
 • 95,460 points • 5,985 views
0 votes
1 answer

Not able to find IP address in VM.

Hi@akhtar, You need to change your network adapter ...READ MORE

Jul 8, 2020 in Linux Administration by MD
 • 95,460 points • 3,168 views
0 votes
0 answers

E: Error, pkgProblemResolver::Resolve generated breaks, this may be caused by held packages.

Jul 3, 2020 in Linux Administration by Sudalaimani
 • 120 points • 4,441 views
0 votes
1 answer

Error: Failed to download metadata for repo 'epel-modular'

Hi@akhtar, Before running dnf repolist command, try to ...READ MORE

Jun 22, 2020 in Linux Administration by MD
 • 95,460 points • 6,367 views
0 votes
1 answer

Failed to start the Apache service

Hi@akhtar, I think port no. is busy. Some ...READ MORE

Jun 22, 2020 in Linux Administration by MD
 • 95,460 points • 6,474 views
0 votes
1 answer

How to delete one user from CentOS system?

Hi@akhtar, You can use userdel command to delete ...READ MORE

Jun 19, 2020 in Linux Administration by MD
 • 95,460 points • 1,376 views
0 votes
1 answer

How to unblock one IP from black list?

Hi@akhtar, To unblock your blacklisted IP address, you ...READ MORE

Jun 10, 2020 in Linux Administration by MD
 • 95,460 points • 997 views
0 votes
1 answer

How to block an IP address to connect my webserver?

Hi@akhtar, You can block one IP address using ...READ MORE

Jun 10, 2020 in Linux Administration by MD
 • 95,460 points • 1,065 views
0 votes
1 answer

How to limit upload size in Apache Webserver?

Hi@akhtar, You can make use of the LimitRequestBody directive to ...READ MORE

Jun 8, 2020 in Linux Administration by MD
 • 95,460 points • 4,409 views
0 votes
1 answer

error: Putty.exe has been denied access to IP

Hi@akhtar, The error may occur because of firewall. Your ...READ MORE

May 28, 2020 in Linux Administration by MD
 • 95,460 points • 1,099 views
+1 vote
1 answer

How to configure NFS server in Linux?

Hi@akhtar, To configure NFS server in your system, ...READ MORE

May 27, 2020 in Linux Administration by MD
 • 95,460 points • 1,359 views
0 votes
0 answers

Hello,everyone . I want to ask question .

READ MORE

May 22, 2020 in Linux Administration by chhoeurn
 • 120 points • 932 views
0 votes
1 answer

How to create one crontab job in Linux?

Hi@akhtar, To configure crontab in your system, you ...READ MORE

May 13, 2020 in Linux Administration by MD
 • 95,460 points • 1,108 views
0 votes
1 answer

How to activate a SUSPENDED LVM physical volume?

Hi@akhtar, To reactivate the PV or resume the ...READ MORE

May 12, 2020 in Linux Administration by MD
 • 95,460 points • 1,706 views
+1 vote
1 answer

Failed to start Crash recovery kernel arming.

Hi@akhtar, To avoid this error you can follow ...READ MORE

May 11, 2020 in Linux Administration by MD
 • 95,460 points • 18,374 views
0 votes
1 answer

How to break root password in CentOS/RHEL 8?

Hi@akhtar, Reboot the system and interrupt the boot ...READ MORE

May 11, 2020 in Linux Administration by MD
 • 95,460 points • 2,341 views
0 votes
1 answer

Unable to login with GUI on CentOS/RHEL

Hi@akhtar, For new installation of CentOS/RHEL, GUI doesn't ...READ MORE

May 11, 2020 in Linux Administration by MD
 • 95,460 points • 3,265 views
0 votes
1 answer

fdisk: Unable to write /dev/sdg: Bad file descriptor

Hi@akhtar, You may get this error if your ...READ MORE

May 11, 2020 in Linux Administration by MD
 • 95,460 points • 2,646 views
0 votes
1 answer

ERROR Request entity too large. Request exceeds the capacity limit

Hi@akhtar, The file download size limit is controlled ...READ MORE

May 11, 2020 in Linux Administration by MD
 • 95,460 points • 1,958 views
0 votes
1 answer

How to Configuring NTP server using chrony?

Hi@akhtar, To use NTP server in your system, ...READ MORE

May 11, 2020 in Linux Administration by MD
 • 95,460 points • 2,425 views
+1 vote
1 answer

Termux Android code for phishing the page

Hey, @Vaibhav, After complete all the process and once ...READ MORE

Apr 27, 2020 in Linux Administration by Gitika
 • 65,730 points
edited Apr 30, 2020 by Gitika • 11,474 views
0 votes
1 answer

Job for nginx.service failed. See "systemctl status nginx.service" and "journalctl -xe" for details.

Hi@akhtar, I think you didn't install php-fpm rpm ...READ MORE

Apr 24, 2020 in Linux Administration by MD
 • 95,460 points • 5,889 views
0 votes
1 answer

How to install nginx web server in CentOS/RHEL?

Hi@akhtar, To install nginx in your system, you ...READ MORE

Apr 24, 2020 in Linux Administration by MD
 • 95,460 points • 1,117 views
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