a.. First stop MySQL, Apache, and cPanel to prevent writing to the /tmp partition

b. Take a backup of the current /tmp folder.

c. Umount /tmp partition. If you’re unable to, you can do an lsof to see what processes are still writing to it, and kill them off.

d. Delete /usr/tmpDSK

e. Now edit the file /scripts/securetmp. Search for “tmpdsksize” and set the size you want in MB.

f. Save and quit the file.

g. Now you can untar the /tmp backup

h. Start all the services.

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