Trending questions in Linux Administration

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redirecting stdout and stderr to file using bash

cmd >>file.txt 2>&1 Bash always executes and redirects ...READ MORE

Mar 19, 2019 in Linux Administration by ajs3033
 • 7,300 points • 22,896 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 • 2,172 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 • 2,044 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 • 964 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 • 1,590 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 • 1,466 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 • 1,172 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 • 1,056 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, 2020 in Linux Administration by MD
 • 95,460 points • 4,250 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, 2020 in Linux Administration by MD
 • 95,460 points • 4,501 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 • 3,001 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 • 1,185 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, 2020 in Linux Administration by MD
 • 95,460 points • 4,600 views
0 votes
1 answer

How to Unblock SSH and FTP Access to Specific IP in Linux?

Firewalls(most of them) can either Reject or ...READ MORE

Jul 16, 2019 in Linux Administration by Archana
 • 5,640 points • 15,670 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 • 2,379 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 • 2,221 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 • 911 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 • 2,159 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 • 838 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 • 1,213 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 • 1,809 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, 2020 in Linux Administration by MD
 • 95,460 points • 2,542 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 • 939 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, 2020 in Linux Administration by MD
 • 95,460 points • 3,070 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 • 1,559 views
0 votes
0 answers

Hello,everyone . I want to ask question .

READ MORE

May 22, 2020 in Linux Administration by chhoeurn
 • 120 points • 802 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 • 961 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, 2020 in Linux Administration by MD
 • 95,460 points • 1,332 views
0 votes
1 answer

How to configure Haproxy load balancer?

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

Apr 22, 2020 in Linux Administration by MD
 • 95,460 points • 1,063 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 • 945 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, 2020 in Linux Administration by MD
 • 95,460 points • 920 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, 2020 in Linux Administration by MD
 • 95,460 points • 1,299 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, 2020 in Linux Administration by MD
 • 95,460 points • 1,127 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, 2020 in Linux Administration by akhtar
 • 38,260 points • 1,148 views
+1 vote
2 answers

if the File system is full how to troubleshoot ?

Check filesystem usage. df -h If /var is showing ...READ MORE

Nov 18, 2019 in Linux Administration by Sirajul
 • 59,230 points • 5,423 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, 2020 in Linux Administration by anonymous
 • 120 points • 794 views
0 votes
1 answer

How to install python-poster in RedHat?

Hi@akhtar, To install python-poster in RedHat/CentOs, you can ...READ MORE

Feb 11, 2020 in Linux Administration by MD
 • 95,460 points • 1,378 views
0 votes
2 answers

Error saying "useradd: warning: the home directory already exists. Not copying any file from skel directory into it."

Hey @Dinesh, this isn't an error, its ...READ MORE

Jan 10, 2019 in Linux Administration by Sitara
 • 18,377 views
0 votes
1 answer

awk: to print all columns from the nth to the last

the following will print all but the ...READ MORE

Jul 19, 2019 in Linux Administration by Shubham
 • 13,490 points • 9,661 views
+1 vote
0 answers

Could not start the machine edureka_host_vm because the following physical network interfaces were not found:

Could not start the machine edureka_host_vm because ...READ MORE

Jan 28, 2020 in Linux Administration by Harish
 • 130 points • 1,308 views
0 votes
1 answer

Deploy a static website on a webserver

Hi @hannah. You are right, you need ...READ MORE

Dec 13, 2019 in Linux Administration by Travis
 • 2,810 views
0 votes
1 answer

How do i enable universe repository in Ubuntu 18.04?

If you want in one command and ...READ MORE

Aug 27, 2019 in Linux Administration by Sirajul
 • 59,230 points • 7,463 views
0 votes
1 answer

Cannot understand this "No X11 DISPLAY variable" error thrown at me

If you're on the main display, then export ...READ MORE

Jun 5, 2019 in Linux Administration by Upasana
 • 8,620 points • 10,984 views
0 votes
2 answers

how to loop through the content of a file using bash

#!/bin/bash for i in  `cat peptides.txt` do echo $i done READ MORE

Sep 5, 2020 in Linux Administration by Prakash K. Aithal
 • 3,250 views
0 votes
1 answer

Linux : Undefined reference to pthread_create

Try this; gcc -pthread -o term term.c Hope this ...READ MORE

May 29, 2019 in Linux Administration by Shubham
 • 13,490 points • 10,304 views
+1 vote
0 answers

I am getting error as undefined reference how to resolve it?

this is the error i got main.c:(.text+0x6c): undefined ...READ MORE

Dec 5, 2019 in Linux Administration by pooja
 • 130 points • 2,035 views
0 votes
1 answer

Cant find library in /usr/bin/ld

Say your library "libxyz.so" is located in: /home/user/myDir then ...READ MORE

Mar 26, 2019 in Linux Administration by ajs3033
 • 7,300 points • 12,678 views
0 votes
1 answer

Auto renewal of SSL certificates

You can something called cron job. Basically ...READ MORE

Dec 13, 2019 in Linux Administration by Aron
 • 1,224 views
+1 vote
1 answer

Error :Ethernet Cable unplugged in Ubuntu

Try this: $ sudo ifconfig eth0 down $ sudo ...READ MORE

Feb 9, 2019 in Linux Administration by Omkar
 • 69,220 points • 14,414 views
0 votes
1 answer

Can I analyze a program's core dump file with GDB when it has command-line parameters?

You can simply use of GDB, to debug ...READ MORE

Jul 1, 2019 in Linux Administration by Shubham
 • 13,490 points • 8,262 views
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