We were regularly getting a error message that the /var/tmp directory in one of our cPanel server is full and we need to remove some data.
We considered the error log and discovered that the tmp partition goes full when the planned back-up runs. Therefore, we had nothing to do but increase the tmp partition size. After that, our server runs excellent and no problems or errors since then.
Here are the steps to increase the size of /var/tmp and /tmp partition on cPanle servers
Before start resizing we should stop the services by using following commands:
/etc/init.d/cpanel stop /etc/init.d/httpd stop /etc/init.d/mysql stop
Umount /tmp and /var/tmp
umount -l /tmp umount -l /var/tmp
Take the backup of File
mv /usr/tmpDSK /usr/tmpDSK-bk
Edit /scripts/securetmp
nano /usr/local/cpanel/scripts/securetmp
Change the value of variable $tmpdsksize to required size.
Now to resize the /tmp partition run these commands one by one
rm -fv /usr/tmpDSK /usr/local/cpanel/scripts/securetmp
Then restart the Server
shutdown -r 0
Now when all services are restarted you may check the partition by using following command
df -h