Latest questions in Linux Administration

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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 • 8,298 views
0 votes
1 answer

To attach a file using mail command on Linux

$ echo | mutt -a syslogs.tar.gz admin@domain.org READ MORE

Jun 28, 2019 in Linux Administration by Upasana
 • 8,620 points • 3,070 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
 • 17,563 views
0 votes
1 answer

How to find the group associated with a user in linux?

To list all the groups groups or to list ...READ MORE

Jun 21, 2019 in Linux Administration by DareDev
 • 6,890 points • 1,103 views
0 votes
1 answer

Running a cron job at fixed intervals of time

Just use this instead: 0,30 * * * ...READ MORE

Jun 21, 2019 in Linux Administration by ajs3033
 • 7,300 points • 1,047 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
 • 29,168 views
0 votes
1 answer

CentOS Error: 64 bit bad ELF interpreter

In my experience, a single yum command will ...READ MORE

Jun 20, 2019 in Linux Administration by Shubham
 • 13,490 points • 2,440 views
0 votes
1 answer

Script file name in a Bash script

$0 will give you the complete basename. ...READ MORE

Jun 20, 2019 in Linux Administration by Shubham
 • 13,490 points • 1,024 views
0 votes
1 answer

Killing a Zombie Process

You can clean up a zombie process ...READ MORE

Jun 20, 2019 in Linux Administration by Upasana
 • 8,620 points • 1,187 views
0 votes
1 answer

pipe to clipboard using Bash

Try xclip; xclip - command line interface to ...READ MORE

Jun 17, 2019 in Linux Administration by Shubham
 • 13,490 points • 1,116 views
0 votes
1 answer

Overall CPU usage (%)

top -bn2 | grep "Cpu(s)" | \ ...READ MORE

Jun 17, 2019 in Linux Administration by Shubham
 • 13,490 points • 1,187 views
0 votes
1 answer

How can I find out which files differ in two directory trees?

Use this; diff -qr dir1/ dir2/ READ MORE

Jun 13, 2019 in Linux Administration by Upasana
 • 8,620 points • 940 views
0 votes
1 answer

Linux: Efficiently test if a port is Open

$ nc -z <host> <port>; echo $? Use ...READ MORE

Jun 12, 2019 in Linux Administration by Shubham
 • 13,490 points • 903 views
0 votes
1 answer

127.0.0.1: Could not Determine the server's fully qualified domain name

If you don't have httpd.conf in folder /etc/apache2, you should ...READ MORE

Jun 12, 2019 in Linux Administration by Shubham
 • 13,490 points • 2,231 views
0 votes
1 answer

How to send mail using linux shell script?

If you've already configured the server, with ...READ MORE

Jun 11, 2019 in Linux Administration by ajs3033
 • 7,300 points • 1,335 views
0 votes
1 answer

Replacing string characters using CLI

To replace each of xy and z ...READ MORE

Jun 11, 2019 in Linux Administration by DareDev
 • 6,890 points • 1,155 views
0 votes
1 answer

Linux: Finding all storage devices attached to a machine

Use /proc/partitions first. This will list all ...READ MORE

Jun 10, 2019 in Linux Administration by Upasana
 • 8,620 points • 926 views
0 votes
1 answer

Ubuntu 10.10: Connecting to a terminal to a serial-to-USB device on Maverick Meerkat

Check with dmesg | grep tty if system recognize ...READ MORE

Jun 10, 2019 in Linux Administration by Upasana
 • 8,620 points • 8,545 views
0 votes
1 answer

Argument receiving error for rm command

Bash actually expands the asterisk to every ...READ MORE

Jun 8, 2019 in Linux Administration by Shubham
 • 13,490 points • 1,166 views
0 votes
1 answer

Docker: Can't connect to docker daemon

Documentation Link: Post-installation steps for Linux  This documentation reveals ...READ MORE

Jun 8, 2019 in Linux Administration by Shubham
 • 13,490 points • 1,531 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 • 11,014 views
0 votes
1 answer

Which is a good hex editor for Linux?

You could try Bless. It is written ...READ MORE

Jun 5, 2019 in Linux Administration by Upasana
 • 8,620 points • 1,105 views
0 votes
1 answer

Redirecting output to a file and stdout

The command you want is named tee; foo ...READ MORE

May 31, 2019 in Linux Administration by Shubham
 • 13,490 points • 1,169 views
0 votes
1 answer

How to extract file base name without path and extension in bash?

You don't actually have to call the ...READ MORE

May 31, 2019 in Linux Administration by Shubham
 • 13,490 points • 6,121 views
0 votes
1 answer

Linux: Recursive download of a folder via FTP

wget -r ftp://user:pass@server.com/ try this. READ MORE

May 31, 2019 in Linux Administration by Upasana
 • 8,620 points • 814 views
0 votes
1 answer

to pass the user's password to scp

Try using the 'expect' script on the ...READ MORE

May 29, 2019 in Linux Administration by Shubham
 • 13,490 points • 4,161 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 • 10,345 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 • 79,652 views
0 votes
1 answer

Linux: Using grep to display filenames

You need t use -l flag with ...READ MORE

May 24, 2019 in Linux Administration by ajs3033
 • 7,300 points • 919 views
0 votes
1 answer

How to change the default shell in Linux?

1. Change the password file directly for ...READ MORE

May 24, 2019 in Linux Administration by Upasana
 • 8,620 points • 1,164 views
0 votes
1 answer

How to convert DOS line endings to Linux line endings in vim?

try this; :%s/\r/\r/g READ MORE

May 24, 2019 in Linux Administration by Upasana
 • 8,620 points • 1,166 views
0 votes
1 answer

“cd” doesn't work in my shell script

One way to get around this is ...READ MORE

May 24, 2019 in Linux Administration by Shubham
 • 13,490 points • 2,045 views
0 votes
1 answer

#! what is this called?

the # is called a hash, and ...READ MORE

May 24, 2019 in Linux Administration by Shubham
 • 13,490 points • 1,187 views
0 votes
1 answer

Installation fails on xenial "Repository does not have a release file"

This bug is missing log files that ...READ MORE

May 23, 2019 in Linux Administration by Ishaan
 • 1,033 views
0 votes
1 answer

Linux Permissions: Sticky bits

You might have come across read, write ...READ MORE

May 21, 2019 in Linux Administration by John
 • 766 views
0 votes
1 answer

finding the MySQL my.cnf location

You could always run find in a ...READ MORE

May 21, 2019 in Linux Administration by Upasana
 • 8,620 points • 659 views
0 votes
1 answer

Determining whether a given Linux is 32 bit or 64 bit

try this. getconf LONG_BIT Output: 32, if OS is 32 ...READ MORE

May 21, 2019 in Linux Administration by Upasana
 • 8,620 points • 710 views
0 votes
1 answer

Writing a heredoc to a file in a script

try to use tee: tee newfile <<EOF line 1 line 2 line ...READ MORE

May 20, 2019 in Linux Administration by Shubham
 • 13,490 points • 1,693 views
0 votes
1 answer

What is the meaning of 'errno'?

you can retrieve a complete list of ...READ MORE

May 20, 2019 in Linux Administration by Shubham
 • 13,490 points • 1,102 views
0 votes
1 answer

How to find path of software installed in Linux?

There are multiple ways to find the ...READ MORE

May 20, 2019 in Linux Administration by Rishi
 • 8,748 views
0 votes
1 answer

Merge multiple pdf files in one using terminal

Install a utility call pdfunite which is ...READ MORE

May 17, 2019 in Linux Administration by ajs3033
 • 7,300 points • 926 views
0 votes
1 answer

To run a shell script on a Unix console or Mac terminal

To run a non-executable sh script, use: sh myscript To run ...READ MORE

May 16, 2019 in Linux Administration by Upasana
 • 8,620 points • 974 views
0 votes
1 answer

generating a list of files with their absolute path in Linux

If you find an absolute path to start with, ...READ MORE

May 16, 2019 in Linux Administration by Upasana
 • 8,620 points • 1,544 views
0 votes
1 answer

Removing a symlink to a directory

rm foo try this. Also, You need write ...READ MORE

May 15, 2019 in Linux Administration by Shubham
 • 13,490 points • 778 views
0 votes
1 answer

Comparing two string variables in an 'if' statement in Bash

1. For string comparison, use: if [ "$s1" ...READ MORE

May 15, 2019 in Linux Administration by Shubham
 • 13,490 points • 1,925 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
 • 38,637 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 • 15,653 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
 • 281,518 views
0 votes
1 answer

Setting environment variables in linux

You need to add more information about ...READ MORE

May 13, 2019 in Linux Administration by ajs3033
 • 7,300 points • 1,405 views
0 votes
1 answer

Access Denied to user root@localhost while using mysql

For MySQL versions < 5.7: the default root ...READ MORE

May 13, 2019 in Linux Administration by DareDev
 • 6,890 points • 3,996 views
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