directory

Copy Directory Structure

August 25, 2022

Here’s how to copy a directory structure from one directory to another without the files.

Copy directory structure of DIR1 to DIR2.

find /DIR1 -type d > /tmp/dirs.txt
sed -i 's/DIR1/DIR2/' /tmp/dirs.txt 
xargs mkdir -p < /tmp/dirs.txt
chown -R USER:GROUP /DIR2

February 11, 2022

Here’s the command to display only the current directory.

export PROMPT_DIRTRIM=1

Place the command in your ~/.bashrc to make it permanent.

December 31, 2021

How to zip multiple files into one zip file.

Using zip.

zip test.zip *.txt

Using tar.

tar cvzf test.tar.gz *.txt

Untar in current directory or specify another directory.

tar xvzf test.tar.gz .
tar xvzf test.tar.gz -C /path/to/dir

August 6, 2020

Who is accessing a particular directory? There’s a Linux command called fuser which will tell you who’s running processes in that directory.

fuser /etc/apache/
fuser /home/john/

Verbose.

fuser /data/exports/ -v

Check out the fuser man page.

January 20, 2020

Here’s my favorite Linux prompt.

PS1='\[\033[01;32m\]\u@\h\[\033[00m\]:\[\033[01;34m\]\w\[\033[00m\]\$ '

Add to end of your .bashrc to make it permanent.

October 30, 2019

Here are two important tar commands on how to create and extract a tar.gz file.

Create a tar gzip file called “project.tar.gz” of a directory called “foo.”

tar -cvzf project.tar.gz foo

Untar the “project.tar.gz” file to a directory called bar.

tar -xvzf project.tar.gz bar

September 7, 2019

Here’s how to get the size of a directory.

du -sh /var/www

Output:

2.1GB    /var/www

Size of the directories and files one level down.

du -sh /var/www/*

Sort with biggest files from top to bottom.

du -sh /var/www/* | sort -rh

Top 5 biggest files from top to bottom.

du -sh /var/www/* | sort -rh | head -5

June 17, 2019

Moving a Linux directory the safe way.

cd /mydir ; tar cf - . | (cd /data/mydir ; tar xf -) ; mv /mydir /mydir.0 ; ln -s /data/mydir /mydir