Trending questions in Linux Administration

+2 votes
2 answers

What is 755 permission in Linux?

Hi, File permission 755 means that the directory ...READ MORE

Dec 9, 2020 in Linux Administration by MD
 • 95,460 points • 286,482 views
+1 vote
3 answers

How to uninstall apache2 in ubuntu?

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

May 14, 2019 in Linux Administration by Hemant
 • 283,083 views
+4 votes
7 answers

Error dpkg frontend lock is locked by another process

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

Aug 7, 2019 in Linux Administration by Sirajul
 • 59,190 points • 276,134 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 • 143,698 views
0 votes
3 answers

Setting JAVA_HOME in linux

Hello fellow techies, Assuming you use bash shell ...READ MORE

Dec 10, 2020 in Linux Administration by Rajiv
 • 8,870 points • 80,231 views
0 votes
0 answers

how to save Linux Project

Could you please confirm how to save ...READ MORE

Nov 5, 2024 in Linux Administration by anonymous
edited Mar 5 • 216 views
0 votes
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 • 48,809 views
0 votes
2 answers

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

Hi guys I was facing same problem as ...READ MORE

Nov 21, 2020 in Linux Administration by anonymous
 • 140 points • 46,943 views
0 votes
0 answers

Default username and password of kali linux -2021.1-vbox amd 64?

I had tried this USERNAME: Root PASSWORD: Root user: ...READ MORE

Apr 14, 2022 in Linux Administration by Rahul
 • 9,690 points • 1,736 views
0 votes
0 answers

How to remove [ and ] from the events with SEDCMD command in props.conf?

i used EDCMD-remove_brace = s/[// SEDCMD-remove_brace2 = ...READ MORE

Apr 19, 2023 in Linux Administration by anonymous
edited Mar 5 • 312 views
0 votes
0 answers

Unable to locate package puppet-master

Hi i am not getting install Puppet-master, ...READ MORE

Mar 31, 2023 in Linux Administration by anonymous
edited Mar 5 • 250 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, 2020 in Linux Administration by MD
 • 95,460 points • 49,102 views
0 votes
0 answers

how do i install mysql on CentOs

i downloaded various verions of the rpm ...READ MORE

Mar 19, 2023 in Linux Administration by Lillian
edited Mar 5 • 273 views
0 votes
1 answer

Linux tar: gzip: stdin: unexpected end of file

The error you're getting may be because ...READ MORE

Aug 9, 2019 in Linux Administration by Kunal
 • 57,113 views
0 votes
1 answer

How to display ASCII and hex representation of the packet contents in tcpdump?

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

Oct 4, 2020 in Linux Administration by MD
 • 95,460 points • 37,538 views
0 votes
0 answers

Get yesterday's date in bash on Linux, DST-safe

I have a shell script that runs ...READ MORE

Dec 14, 2022 in Linux Administration by erzan
 • 630 points • 1,866 views
0 votes
0 answers

What does the $ mean in Linux?

I have to explain what the code ...READ MORE

Dec 14, 2022 in Linux Administration by erzan
 • 630 points • 1,233 views
0 votes
0 answers

xxd usage (change magic byte to JPEG)

I create a simple test file like ...READ MORE

Dec 14, 2022 in Linux Administration by erzan
 • 630 points • 1,169 views
0 votes
0 answers

How to implement getch() function of C in Linux?

In TurboC++, I can use the getch() ...READ MORE

Dec 14, 2022 in Linux Administration by erzan
 • 630 points • 1,038 views
0 votes
0 answers

How to search any word in linux 'screen'

I am going screen logs of devstack ...READ MORE

Dec 14, 2022 in Linux Administration by erzan
 • 630 points • 899 views
0 votes
0 answers

How to setup CRON job to run every 10 seconds in Linux?

I need to run a CRON job every 10 ...READ MORE

Apr 20, 2022 in Linux Administration by Edureka
 • 13,690 points • 5,838 views
0 votes
0 answers

How to activate virtualenv in Linux?

I have been searching and tried various ...READ MORE

Dec 15, 2022 in Linux Administration by erzan
 • 630 points
edited Mar 4 • 270 views
0 votes
0 answers

Can I use ball point pens for my company exams?

Not Hing READ MORE

Nov 29, 2022 in Linux Administration by Mireto
edited Mar 4 • 157 views
0 votes
0 answers

What languages are Windows, Mac OS X and Linux written in?

I was just wondering who knows what ...READ MORE

Nov 24, 2022 in Linux Administration by Logan
 • 2,140 points
edited Mar 4 • 237 views
0 votes
0 answers

Chmod 777 to a folder and all contents

I have a web directory /www and ...READ MORE

Nov 24, 2022 in Linux Administration by Logan
 • 2,140 points
edited Mar 4 • 167 views
0 votes
0 answers

How to find all files containing specific text (string) on Linux?

How do I find all files containing ...READ MORE

Nov 24, 2022 in Linux Administration by Logan
 • 2,140 points
edited Mar 4 • 158 views
0 votes
0 answers

Error: No toolchains found in the NDK toolchains folder for ABI with prefix: llvm

I want to compile an open source ...READ MORE

Nov 24, 2022 in Linux Administration by Logan
 • 2,140 points
edited Mar 4 • 153 views
0 votes
1 answer

Error saying " Invalid operation uninstall" on sudo apt uninstall apache2

sudo apt remove apache2 READ MORE

Mar 29, 2024 in Linux Administration by Anonymous
edited Mar 5 • 16,353 views
0 votes
1 answer

How to compile executable for Windows with GCC with Linux Subsystem?

Linux Subsystem fills in as a Linux-PC. ...READ MORE

Jun 20, 2022 in Linux Administration by Rahul
 • 3,380 points • 5,889 views
0 votes
0 answers

How do I run a program with commandline arguments using GDB within a Bash script?

When running a program on GDB, usually, ...READ MORE

Jun 21, 2022 in Linux Administration by Korak
 • 5,820 points • 1,030 views
0 votes
0 answers

How can I invoke both BASH and CSH shells in a same script

In the same script, I want to ...READ MORE

Jun 21, 2022 in Linux Administration by Korak
 • 5,820 points • 928 views
0 votes
0 answers

Escaping Quotes in Chef Bash

This I need quotes in a cronjob ...READ MORE

Jun 21, 2022 in Linux Administration by Korak
 • 5,820 points • 743 views
0 votes
0 answers

Renaming multiples files with a bash loop

I need to rename 45 files, and ...READ MORE

Jun 21, 2022 in Linux Administration by Korak
 • 5,820 points • 715 views
0 votes
0 answers

What is the preferred Bash shebang?

Is there any Bash shebang objectively better than the ...READ MORE

Jun 21, 2022 in Linux Administration by Korak
 • 5,820 points • 687 views
0 votes
0 answers

Sqlplus login error when using bash variables: SP2-0306: Invalid option

I have a bash script that connects ...READ MORE

Jun 22, 2022 in Linux Administration by Korak
 • 5,820 points • 4,170 views
0 votes
1 answer

Chmod 777 to a folder and all contents

To help you with your doubt, if ...READ MORE

Feb 9, 2022 in Linux Administration by Rahul
 • 9,690 points • 9,002 views
0 votes
1 answer

bash: /home/XXX/.rvm/scripts/rvm: No such file or directory

Install RVM  gpg --keyserver hkp:// keys.gnupg.net --recv-keys 409B6B1796C275462A1703113804BB82D39DC0E3 ​Now ...READ MORE

May 27, 2022 in Linux Administration by Korak
 • 5,820 points • 4,340 views
0 votes
0 answers

Install Heroku CLI on Mac with Bash Termimal

I'm trying to follow this guide and ...READ MORE

Jun 16, 2022 in Linux Administration by Rahul
 • 3,380 points • 1,153 views
0 votes
0 answers

chmod: unable to change file mode on install.sh. operation not permitted

Hi Everybody, I'm trying to install McAfee agent ...READ MORE

Aug 24, 2022 in Linux Administration by madzr
edited Mar 4 • 182 views
0 votes
0 answers

How to execute mongodb commands from bash shell?

I searched and found that one can ...READ MORE

Jun 22, 2022 in Linux Administration by Korak
 • 5,820 points • 2,762 views
0 votes
1 answer

bash : Bad Substitution

The default shell (/bin/sh) under Ubuntu focuses ...READ MORE

Jun 20, 2022 in Linux Administration by Rahul
 • 3,380 points • 2,487 views
0 votes
1 answer

How do you copy and paste into Git Bash

Press Insert. Likewise, to duplicate from the window, ...READ MORE

Jun 20, 2022 in Linux Administration by Rahul
 • 3,380 points • 2,290 views
0 votes
0 answers

git bash commands with python or Gitpyhon

So I have follwoing bash command which ...READ MORE

Jun 21, 2022 in Linux Administration by Korak
 • 5,820 points • 2,031 views
0 votes
1 answer

How can I download git branch files to local system?

Clone the master branch. As you  said ...READ MORE

May 27, 2022 in Linux Administration by Korak
 • 5,820 points • 3,064 views
0 votes
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
 • 95,460 points • 28,015 views
0 votes
0 answers

How to add man and zip to "git bash" installation on Windows

I am using git bash on Windows - that ...READ MORE

Jun 9, 2022 in Linux Administration by Rahul
 • 3,380 points • 2,242 views
0 votes
1 answer

How do I check if a directory exists in a Bash shell script?

To check if a directory exists in ...READ MORE

Jun 7, 2022 in Linux Administration by Korak
 • 5,820 points • 2,230 views
0 votes
1 answer

Why do you need to put #!/bin/bash at the beginning of a script file?

It's a show so the *nix shell ...READ MORE

Jun 20, 2022 in Linux Administration by Rahul
 • 3,380 points • 1,655 views
0 votes
1 answer

What does '-gt' operator mean in Bash programming?

It's a math test. assist with testing ...READ MORE

Jun 20, 2022 in Linux Administration by Rahul
 • 3,380 points • 1,412 views
0 votes
0 answers

What does "&" at the end of a linux command mean?

I am a system administrator and I ...READ MORE

Apr 21, 2022 in Linux Administration by Edureka
 • 13,690 points • 1,022 views
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