How to increase size of /tmp partition on a cPanel server

Many server / VPS have very small /tmp partition like 500 MB. It is recommended to have /tmp partition of minimum 2GB.
If you server is facing issue of /tmp partition filling-up quickly, here is how you can increase its size.

This tutorials explains how easily you can increase size of /tmp partition on a cPanel server / VPS.
Login as root via SSH to your server, and follow below steps / commands.

Step 1: Stop services

Before you start resizing, you should stop cpanel, apache and mysql. Run following command to stop these services

/etc/init.d/cpanel stop
/etc/init.d/httpd stop
/etc/init.d/mysql stop

Step 2: Umount /tmp and /var/tmp

umount -l /tmp
umount -l /var/tmp

Step 3: edit /scripts/securetmp

vi /scripts/securetmp

And change value of my $tmpdsksize For making size of /tmp partition to 2GB change its value to 2048000. After making change save this file. It should be like this:

$tmpdsksize = 2048000

Step 4:Run these commands to resize /tmp partition

rm -fv /usr/tmpDSK

Step 5: Start services

/etc/init.d/httpd start
/etc/init.d/mysql start
/etc/init.d/cpanel start

Done!!! The /tmp partition on your cPanel server is now of 2GB

This tutorial is applicable only for cPanel Server / VPS

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