(whostmgr (whostmgr)): The subprocess ended prematurely because it received the KILL (9) signal.
When suddenly when i accessed an webpage hosted on a cPanel/WHM server, i got Error 500, it was sudden error during browsing a website so it have to be something with the server, not with the script.
I had opened a WHM and i clicked Apache Status page, and it said:
"No response from subprocess (whostmgr (whostmgr)): The subprocess ended prematurely because it received the "KILL" (9) signal."
whm > tweak settings > "The maximum memory a cPanel process can use before it is killed off (in megabytes)." -- i have 1024
So from within command line i did:
free -m
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https://s20.postimg.org/bcqsjr2a5/free_during_unable_fork.gif
So there seems to be some free RAM...? I did "service cpanel restart" and it returned several errors containing phrasse "The system failed to fork a new process because of an error: Cannot allocate memory" I remembered that couple of times i had memory issue and restarting MySQL helped to free RAM, so i did command "service mysql restart" and then cpanel restart worked and Error 500 is away. /etc/my.cnf, did my best to tune it according to the mysql tunning script advices Please which Linux commands i should do next time this issue happen so i tweak the configurations so this issue no longer happen?
So there seems to be some free RAM...? I did "service cpanel restart" and it returned several errors containing phrasse "The system failed to fork a new process because of an error: Cannot allocate memory" I remembered that couple of times i had memory issue and restarting MySQL helped to free RAM, so i did command "service mysql restart" and then cpanel restart worked and Error 500 is away. /etc/my.cnf, did my best to tune it according to the mysql tunning script advices Please which Linux commands i should do next time this issue happen so i tweak the configurations so this issue no longer happen?
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Hello, Could you verify if you notice any specific entries in /usr/local/cpanel/logs/error_log when this happens? It's possible your system is running out of memory, as opposed to just cpsrvd. Thank you. 0
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