Usefull terminal commands

This is collection of useful terminal commands which can be used for many different things

1. Search for term inside of files in a folder and return file which contains that term

grep -r 'search term' *

2. Search inside of gzip file

zgrep "search_term" file_name.txt.gz  

grep "search_term" file_name_*.txt

3. How to add private key using terminal needed for login on remote server:

man ssh
ssh -i /path_to_private_key/privatekey.pem user@servername

4. restart apache

service httpd restart

5. Mod PageSpeed

go to cache folder:
   cd /var/mod_pagespeed/cache/
clear cache
   touch cache.flush

nano /etc/apache2/conf.modules.d/456_pagespeed.conf