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how to know file size in linux command

ls command for files
du command for directories

Checking File Size

ls -l filename #Displays Size of the specified file
ls -l * #Displays Size of All the files in the current directory
ls -al * #Displays Size of All the files including hidden files in the current directory
ls -al dir/ #Displays Size of All the files including hidden files in the ‘dir’ directory

Checking Directory size

du -sh directory_name #Gives you the summarized(-s) size of the directory in human readable(-h) format
du -bsh * #Gives you the apparent(-b) summarized(-s) size of all the files and directories in the current directory in human readable(-h) format

For more information see man ls and man du

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How to redirect using .htaccess file

Redirect entire website to any other domain

301 (Permanent) Redirection

Redirect 301 / http://hostbriz.com/

302 (Temporary) Redirection

Redirect 302 / http://hostbriz.com/

Redirect file to a specific file/domain/directory/folder

Redirect file to domain

Redirect /index.html https://healthproclub.com/

Redirect old file path to new file path

Redirect /olddirectory/oldfile.html http://example.com/newdirectory/newfile.html

Redirect /old to /new directory

RewriteRule ^old/(.*)$ /new/$1 [R=301,NC,L]

Set the default index extension

DirectoryIndex index.html

Set redirect except condition RewriteCond

Options +FollowSymLinks
RewriteEngine on
RewriteCond %{REQUEST_URI} !^/index.php
RewriteCond %{REQUEST_URI} !^/fss
RewriteRule (.*) https://journals.healthproclub.com/$1 [R=301,L]

Redirect 404 Error pages to homepage

ErrorDocument 404 https://bdhostit.com/

Redirect non-existing page(s) to index.php

Options +SymLinksIfOwnerMatch
RewriteEngine On
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule . /index.php [L]

 

 

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How to change UID and GID? chown

UID = User ID
GID = Group ID

We can change UID and GID with command ‘chown’ login with SSH.

chown -R newuserID:newgroupID folder_name

For example, to change myfolder UID and GID

chown -R bdhostit:bdhostit myfolder

or to change maildir UID and GID. Here, “bdhostit” is account’s username.

chown -R bdhostit:mail /home/bdhostit/domains/Maildir

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Extract or unzip uploaded ZIP archives Online

Unzipper script can easily extract .zip/.rar/.tar.gz/.gz archives files. Follow the simple easy steps:

  1. Download the Unzipper  php script unzipper.php
  2. Extract it and upload only unzipper.php into the directory where you have zip files.
  3. Browse the unzipper.php
  4. Select the zip file from the input box.