nginx server comments: putty comment :
https://varvy.com/pagespeed/cache-control.html
i to insert
a to append
x to delete
dd to delete a line
: to begin a command sequence
:w to save
:q to quit
:q! to quit without saving
:wq to save and quit
Unstall / install webmin
Sudo apt-get install webmin
Sudo apt-get purge webmin
Unzip Comment
unzip file.zip
Use the following syntax if you want to extract/unzip to a particular destination directory:
unzip -d /dest/directory/ file.zip
Install unzip on Debian/Ubuntu Linux
sudo apt-get install unzip
OR
sudo apt install unzip
Copy the file and Save it in different name. Backup the files using below comment.
How to perform basic copy operation?
cp file1 ~/Desktop
How to make cp prompt before overwriting?
cp -i file1 ~/Desktop/
How to force cp to not overwrite existing file?
cp -n file1 ~/Desktop/