Install Litespeed

 How to install litespeed webserver on the cpanel? 

Step 1: Install LiteSpeed WHM plugin

Run the following commands from ssh as root

#cd /usr/src
#sh ./
#rm -f

Step 2: Install LiteSpeed Speed Web Server from within WHM

- click “LiteSpeed Web Server Plugin for WHM” in “Plugins” section of WHM.
- click “Install LiteSpeed Web Server”

Fill in the form to specify your:

- serial number/license key above

- LiteSpeed target installation directory

- Port Offset ( set to 0 to replace Apache otherwise set a number like “2000” to try LiteSpeed on port 2080 )

- Whether to enable PHP SuEXEC

- Assign user name and password for LWSW web admin console

- Your email address as the Administrators email.

- Click “Next” to install LiteSpeed.If you set Port Offset to “0”, it may stop Apache and start LiteSpeed after a successful installation, you may want to switch back to Apache temporarily as we still need to build PHP binary for LiteSpeed.

Step 3: Build matching PHP binary. There is a pre-built PHP 4 binary coming with LSWS, however, you should build your own PHP binary using matching configuration options used by Apache mod_php.
If LiteSpeed is running, you should switch back to Apache temporarily by clicking “switch to Apache” link. Then, click “Build Matching PHP binary” link. It is going take a while.

Step 4: Start LiteSpeed again. Just click “Restart LiteSpeed” Then you can verify if everything works as expected. It should! If “Port Offset” is set to non-zero, you can now replace Apache with LiteSpeed Web Server. Just click “Switch to LiteSpeed”.
That’s it. DONE
WARNING: Do NOT uncheck “httpd” service under WHM service manager, otherwise WHM wont restart LiteSpeed automatically when configuration has been changed. 

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