Trending questions in Linux Administration

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How to have the cp command create only if necessary folders while copying a file to a destination

mkdir -p /foo/bar && cp myfile "$_" ...READ MORE

Jul 19, 2019 in Linux Administration by Shubham
• 13,490 points
1,117 views
0 votes
1 answer

How to execute a linux command repeatedly after a set time?

To watch the step every say 30 ...READ MORE

Jul 26, 2019 in Linux Administration by ajs3033
• 7,300 points
771 views
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How to display content part in seeddms full-text index info?

          I have installed the seeddms in ...READ MORE

Jul 15, 2019 in Linux Administration by nmentityvibes
• 420 points
1,243 views
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1 answer

HTTP POST and GET using cURL

You can just add | grep }| ...READ MORE

Jul 22, 2019 in Linux Administration by Upasana
• 8,620 points
787 views
0 votes
1 answer

Command to tar directory excluding certain files/folders

$ tar --exclude='./folder' --exclude='./upload/folder2' -zcvf /backup/filename.tgz . Try ...READ MORE

Jul 13, 2019 in Linux Administration by Shubham
• 13,490 points
1,093 views
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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
1,953 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
3,408 views
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1 answer

copy and create destination directory using bash

mkdir -p "$d" && cp file "$d" try ...READ MORE

Jul 16, 2019 in Linux Administration by Upasana
• 8,620 points
658 views
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1 answer

Display shared libraries used by executables in linux

In order to do this, you need ...READ MORE

Jul 3, 2019 in Linux Administration by ajs3033
• 7,300 points
1,080 views
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Centos 7 network setup

Power off the VM and then go ...READ MORE

Jul 5, 2019 in Linux Administration by Vasini
885 views
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1 answer

Change the output colour of echo

Try using ANSI escape codes as the following; Black ...READ MORE

Jul 13, 2019 in Linux Administration by Shubham
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565 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
1,717 views
0 votes
1 answer

Error: tkinter for Python Installation

It isn't easy to install Tkinter locally ...READ MORE

Jul 4, 2019 in Linux Administration by Upasana
• 8,620 points
755 views
0 votes
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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
764 views
0 votes
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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
721 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
748 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
821 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
1,009 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
551 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
676 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
1,035 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
1,547 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
737 views
0 votes
1 answer

How do I verify the kernel parameters to check for the pre-requisities of Oracle 11 + versions?

Please check the below-mentioned syntax and commands: To ...READ MORE

Oct 5, 2018 in Linux Administration by Frankie
• 9,830 points
11,474 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
575 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
552 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
744 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
559 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
1,318 views
0 votes
1 answer

How to perform proxy http request using curl?

One of the ways is: export http_proxy=http://your.proxy.server:port/ Then you ...READ MORE

Mar 26, 2019 in Linux Administration by DareDev
• 6,890 points
3,675 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
799 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
603 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
1,328 views
0 votes
1 answer

Adding yes/no/cancel prompts in shell script

You can use the read command. Here's ...READ MORE

Mar 13, 2019 in Linux Administration by ajs3033
• 7,300 points
3,987 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
1,153 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
802 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
758 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
464 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
740 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
1,095 views
0 votes
1 answer

ld unable to find existing library

your problem here is that your linker ...READ MORE

Mar 19, 2019 in Linux Administration by DareDev
• 6,890 points
3,436 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
568 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
721 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
595 views
0 votes
1 answer

Getting error while installing deb file: dpkg frontend is locked by another process

You can try to remove the lock. ...READ MORE

Apr 1, 2019 in Linux Administration by Tina
2,773 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
503 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
645 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
423 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
420 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
615 views