Trending questions in Linux Administration

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What does the 'export' command do?

I happen to run some commands blindly, ...READ MORE

Apr 14, 2022 in Linux Administration by Rahul
 • 9,670 points • 260 views
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0 answers

How do i select correct active serial port in linux?

I am trying to communicate with a ...READ MORE

Apr 13, 2022 in Linux Administration by Soham
 • 9,700 points • 295 views
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UNIX man command to find list of man sections

I'm working on a lab that is ...READ MORE

Apr 13, 2022 in Linux Administration by Rahul
 • 9,670 points • 289 views
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Call R function in Linux command line

Is there a way to directly call ...READ MORE

Apr 13, 2022 in Linux Administration by Rahul
 • 9,670 points • 283 views
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What exactly does the Unix `bash` command do when run without options?

When you type bash into the terminal ...READ MORE

Apr 14, 2022 in Linux Administration by Soham
 • 9,700 points • 230 views
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Processing places.sqlite file with Linux

Firefox stores the whole story in that ...READ MORE

Apr 13, 2022 in Linux Administration by Aditya
 • 7,680 points • 258 views
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C++ IDE for Linux?

I have searched for it myself, but ...READ MORE

Apr 13, 2022 in Linux Administration by Soham
 • 9,700 points • 256 views
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Get program execution time in the shell

I want to execute something in a ...READ MORE

Apr 14, 2022 in Linux Administration by Soham
 • 9,700 points • 213 views
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How can I kill a process by name instead of PID, on Linux?

Sometimes when I try to start Firefox ...READ MORE

Apr 13, 2022 in Linux Administration by Rahul
 • 9,670 points • 250 views
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What is special about /dev/tty?

ls -la /dev/tty shows the output: crw-rw-rw- 1 ...READ MORE

Apr 14, 2022 in Linux Administration by Soham
 • 9,700 points • 210 views
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Rename directory in linux system

Is there any way to change a ...READ MORE

Apr 14, 2022 in Linux Administration by Rahul
 • 9,670 points • 207 views
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Can't remove a linux directory using linux terminal

I've been trying to remove an unwanted ...READ MORE

Apr 14, 2022 in Linux Administration by Soham
 • 9,700 points • 206 views
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How do I copy folder with files to another folder in Unix/Linux?

I am having some issues copying a ...READ MORE

Apr 13, 2022 in Linux Administration by Soham
 • 9,700 points • 245 views
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What is the difference between a symbolic link and a hard link?

Recently I was asked this during a ...READ MORE

Apr 13, 2022 in Linux Administration by Rahul
 • 9,670 points • 216 views
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Amazon Linux: apt-get: command not found

Amazon Linux is CentOs-based which means that ...READ MORE

Feb 11, 2022 in Linux Administration by Soham
 • 9,700 points • 2,110 views
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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 • 25,134 views
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1 answer

E: Failed to fetch http://security.ubuntu.com/ubuntu/pool/main/g/git/git-man_2.17.1-1ubuntu0.4_all.deb 404 Not Found [IP: 43.255.166.254 80]

Hi@akhtar, There may be many reasons behind this error. ...READ MORE

Nov 19, 2020 in Linux Administration by MD
 • 95,440 points • 17,928 views
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why can't i go to dev directory

root@localhost:/dev# ls ls: cannot open directory '.': Permission ...READ MORE

Nov 12, 2021 in Linux Administration by anonymous
 • 120 points • 233 views
0 votes
1 answer

Error saying "Failed to start httpd.service: Unit httpd.service not found."

Execute the following steps or make sure ...READ MORE

May 14, 2019 in Linux Administration by Kiara
 • 36,695 views
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2 answers

activation of network connection failed in Linux.

नेटवर्क कनेक्शन चाहिए READ MORE

Aug 18, 2020 in Linux Administration by anonymous
 • 140 points • 16,761 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, 2020 in Linux Administration by MD
 • 95,440 points • 18,196 views
0 votes
2 answers

How do I find all files containing specific text on Linux?

grep -rnw 'text to find recursively inside ...READ MORE

May 20, 2019 in Linux Administration by Ritesh Singh
 • 39,502 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
 • 95,440 points • 16,727 views
0 votes
2 answers

How do I use a shell script to SSH in to a remote machine to execute commands?

Sorry in advance for any formatting. Check out ...READ MORE

Feb 7, 2021 in Linux Administration by anonymous
 • 16,747 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 • 8,994 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, 2020 in Linux Administration by MD
 • 95,440 points • 12,976 views
0 votes
2 answers

How to change IP address of an Ubuntu VM?

The easiest method is through network manager: 1- ...READ MORE

Aug 25, 2020 in Linux Administration by Pistle
 • 300 points • 13,489 views
0 votes
1 answer

Difference between root (/) and home directory (~) in terminal?

Root directory which is referred to as ...READ MORE

Jun 20, 2019 in Linux Administration by Vicky
 • 25,880 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 • 5,387 views
0 votes
1 answer

What is Htpasswd in Linux?

Hi@akhtar, htpasswd is used to create and update ...READ MORE

Dec 2, 2020 in Linux Administration by MD
 • 95,440 points • 1,199 views
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1 answer

How to create HTTP user using htpasswd command?

Hi@akhtar, Htpasswd command is available in the Linux ...READ MORE

Dec 2, 2020 in Linux Administration by MD
 • 95,440 points • 958 views
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1 answer

I want to swap from AWS to linux.

Hi@Abdullah, Are you talking about swap partition in ...READ MORE

Dec 9, 2020 in Linux Administration by MD
 • 95,440 points • 446 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
 • 65,910 points
edited Apr 30, 2020 by Gitika • 10,066 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 • 2,610 views
0 votes
1 answer

How to create directory of current username in ruby on Linux server

Hi, The command whoami is used to know ...READ MORE

Nov 25, 2020 in Linux Administration by MD
 • 95,440 points • 596 views
0 votes
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 • 1,655 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 • 1,916 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
 • 2,129 views
0 votes
1 answer

apt-get update takes no argument

The command  sudo apt-get update is used to update ...READ MORE

Jul 30, 2019 in Linux Administration by Vinci
 • 21,114 views
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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 • 2,225 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
 • 95,440 points • 2,497 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 • 1,629 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 • 1,139 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 • 2,219 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 • 1,364 views
0 votes
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 • 1,310 views
0 votes
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 • 839 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 • 725 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 • 1,400 views
0 votes
1 answer

"connect: Network is unreachable?" error on ping

You need to set your default gateway. ...READ MORE

Jan 23, 2019 in Linux Administration by Tina
 • 28,113 views
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