Trending questions in Linux Administration

+2 votes
5 answers

Error: dpkg frontend is locked by another process

First, find out the id of the process that ...READ MORE

Aug 7, 2019 in Linux Administration by Sirajul
• 54,260 points
46,822 views
0 votes
1 answer

What does file permission 755 mean?

A 777 permission on the directory means that everyone has access ...READ MORE

Dec 21, 2018 in Linux Administration by Omkar
• 69,040 points
35,174 views
0 votes
1 answer

How to recover deleted LVM in linux?

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

5 days ago in Linux Administration by MD
• 34,640 points
24 views
0 votes
1 answer

How to configure FTP server in Linux System?

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

6 days ago in Linux Administration by MD
• 34,640 points
24 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

6 days ago in Linux Administration by MD
• 34,640 points
23 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

6 days ago in Linux Administration by MD
• 34,640 points
21 views
0 votes
1 answer

How to format Logical Volume in Linux?

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

6 days ago in Linux Administration by MD
• 34,640 points
19 views
0 votes
1 answer

How to increase Logical Volume Size in Linux?

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

6 days ago in Linux Administration by MD
• 34,640 points
18 views
0 votes
1 answer

How to create Volume Group in Linux?

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

6 days ago in Linux Administration by MD
• 34,640 points
16 views
0 votes
1 answer

How to create Physical Volume in Linux?

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

6 days ago in Linux Administration by MD
• 34,640 points
15 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 in Linux Administration by MD
• 34,640 points
12 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 in Linux Administration by MD
• 34,640 points
109 views
0 votes
1 answer

Failed to start the Apache service

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

Jun 22 in Linux Administration by MD
• 34,640 points
48 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 in Linux Administration by MD
• 34,640 points
29 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 9 in Linux Administration by MD
• 34,640 points
52 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 9 in Linux Administration by MD
• 34,640 points
52 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 in Linux Administration by MD
• 34,640 points
42 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 in Linux Administration by MD
• 34,640 points
61 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 in Linux Administration by MD
• 34,640 points
42 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 in Linux Administration by MD
• 34,640 points
602 views
0 votes
0 answers
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 in Linux Administration by MD
• 34,640 points
74 views
0 votes
1 answer

Termux Android code for phishing the page

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

Apr 27 in Linux Administration by Gitika
• 31,430 points

edited Apr 30 by Gitika 751 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 in Linux Administration by MD
• 34,640 points
62 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 in Linux Administration by MD
• 34,640 points
59 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 in Linux Administration by MD
• 34,640 points
57 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 in Linux Administration by MD
• 34,640 points
45 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 in Linux Administration by MD
• 34,640 points
42 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 in Linux Administration by MD
• 34,640 points
39 views
0 votes
1 answer

Job for httpd.service failed because the control process exited with error code.

Hi@akhtar, This problem is caused due to SELinux. It ...READ MORE

Apr 23 in Linux Administration by MD
• 34,640 points
412 views
0 votes
1 answer

Could not find a version that satisfies the requirement ipykernel (from jupyter==1.0.0) (from versions: )

Hi@akhtar, You may get this error because of ...READ MORE

Apr 23 in Linux Administration by MD
• 34,640 points
298 views
0 votes
1 answer

Failed to start httpd.service: Unit httpd.service is masked.

Hi@akhtar, A masked service is used to prevent ...READ MORE

Apr 23 in Linux Administration by MD
• 34,640 points
206 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 in Linux Administration by MD
• 34,640 points
145 views
0 votes
1 answer

activation of network connection failed in Linux.

Hi@akhtar, There may be lots of reason behind ...READ MORE

Apr 16 in Linux Administration by MD
• 34,640 points
494 views
0 votes
1 answer

Proxy Error the proxy server received an invalid response from an upstream server.

Hi@akhtar, I think you did not configure your ...READ MORE

Apr 22 in Linux Administration by MD
• 34,640 points
222 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 in Linux Administration by MD
• 34,640 points
36 views
0 votes
1 answer

How to configure Haproxy load balancer?

Hi@akhtar, Yes you can implement load balancing concept ...READ MORE

Apr 22 in Linux Administration by MD
• 34,640 points
24 views
0 votes
1 answer

How to change port no 80 of httpd webserver?

Hi@akhtar, You can change port no of httpd ...READ MORE

Apr 21 in Linux Administration by MD
• 34,640 points
31 views
0 votes
1 answer

How to install httpd web server in Linux?

Hi@akhtar, To install httpd web server in CentOS/RHEL ...READ MORE

Apr 21 in Linux Administration by MD
• 34,640 points
30 views
0 votes
1 answer

not able to run netstat-tnlp in Linux.

Hi@akhtar, In Linux system netstat-tnlp command comes from ...READ MORE

Apr 16 in Linux Administration by MD
• 34,640 points
33 views
0 votes
1 answer

group apache does not exist - using root.

Hi@akhtar, When we install apache wevserver in our ...READ MORE

Apr 14 in Linux Administration by MD
• 34,640 points
103 views
0 votes
1 answer

How many partitions can be created from hard disk?

Hi@akhtar, You can make four primary partitions in ...READ MORE

Apr 8 in Linux Administration by MD
• 34,640 points
43 views
0 votes
1 answer

How to create one new partition in my hard disk in Linux?

Hi@akhtar, To create new partition you can follow ...READ MORE

Apr 7 in Linux Administration by MD
• 34,640 points
46 views
0 votes
1 answer

How to run GUI program in SSH server from remote desktop?

Hi@akhtar, First you have to configure SSH server ...READ MORE

Mar 31 in Linux Administration by MD
• 34,640 points
144 views
0 votes
1 answer

How to set key based authentication in remote machine?

Hi@akhtar, You can set key based authentication in ...READ MORE

Apr 1 in Linux Administration by MD
• 34,640 points
44 views
0 votes
1 answer

How to uninstall Apache2 on Ubuntu?

Hey @Laksha, execute the following commands: $ sudo ...READ MORE

May 13, 2019 in Linux Administration by Hemant
13,972 views
0 votes
1 answer

How to configure SSH server in RHEL/CentOS?

Hi@MD, To configure SSH server to your system, ...READ MORE

Mar 30 in Linux Administration by akhtar
• 15,320 points
63 views
0 votes
0 answers

Trying to configure rsyslog server but I am facing challanges

Here are the steps which i have ...READ MORE

Mar 5 in Linux Administration by anonymous
• 120 points
88 views
0 votes
1 answer

What is the difference between ctrl z and ctrl c in command line?

Hi@akhtar, Generally, these two commands are used to ...READ MORE

Feb 24 in Linux Administration by MD
• 34,640 points
602 views