When trying to start/switch to a newly-installed LiteSpeed Web Server on a cPanel server, you may see the following message:
Failed to bring up LiteSpeed Stopping httpd: [ OK ] Apache Stopped. LiteSpeed is not up within 30 secs, try again by removing /tmp/lshttpd/. ERROR LiteSpeed is not up within 60 secs, please check the error log and try again. Apache port offset has been set to 0.
While there may be a technical reason, it also may be cause by an incorrect license type.
Before going to the effort of troubleshooting, check the license first:
/usr/local/lsws/bin/lshttpd -V
You may see something similar to the following:
root@support [~]# /usr/local/lsws/bin/lshttpd -V
2018-10-03 14:20:45.506996 [NOTICE] Memory size is: 8202396KB.
[ERROR] VPS license cannot be used on VPS with more than 2GB memory.
Please upgrade your license to Ultra VPS or 1-CPU license!
Upgrading your license should fix the error.