If you cannot login with SFTP or SSH but can login with FTP and WHM and Cpanel

This is likely that you need to restart the SSH service. SFTP uses SSH not FTP.

“I just had to restart the SSH service from WHM

Sometimes, SSH will crash

If it does, just login to WHM and restart SSH”

Enable GD support in PHP

In default cPanel/WHM installation GD support in PHP is disabled. You can enable using the following simple steps:
1. Login to WHM as root;
2. Go to WHM >> Main >> Software >> Apache Update
3. Click on the “Load Previous Config” button (if exists);
4. Select “GD” option and any other PHP option you may need;
5. Uncheck the “Skip Apache Build if up to date” option;
6. Click “Start build” button at the bottom of the screen and wait 15-30 minutes.

StripeXS addon fails with white screen in WHMCS when viewing info

This usually means that the server doesn’t have the php-mbsting enabled.

When rebuilding Apache with Easy Apache, on step 6 (exhaustive options), scroll down and check php-mbstring.

Then let it compile as usual.

Mine had an alert near the end of the make process “No package php-mbstring available.
Error: Nothing to do”

However it fixed the problem!

Another way to enable php-mbsting is manually run in SSH shell as root:
“yum -y install php-mbstring”, then “service httpd restart”
Mine couldn’t find php-mbstring, but that’s probably just a matter of adding the right repository to yum.
More info on this here: http://www.webhostingtalk.com/showthread.php?t=873543

In my phpinfo screen, my server now says this:

mbstring

Multibyte Support enabled
Multibyte string engine libmbfl
HTTP input encoding translation disabled

mbstring extension makes use of “streamable kanji code filter and converter”, which is distributed under the GNU Lesser General Public License version 2.1.

ionCube loader fails after update of PHP Apache config

If WHMCS fails to run after updating PHP and Apache with a fail message about ionCube loader:

Go here and download the right loader – Linux (x86-64) for niagra.tapyourpower.com

http://www.ioncube.com/loaders.php

Install the loader-wizard.php file on the serv er public_html and run it.

Follow instructions (place ioncube_loader_lin_5.4.so and it’s related files in the right directory, edit the /usr/local/lib/php.ini file to include the ioncube loader, restart apache and click the test loader link in the wizard.
All should be set now, WHMCS will run!