Unable to fork: Cannot allocate memory

When you see a message “Unable to fork: Cannot allocate memory” while logging to a VPS from the node.

The reason is the VPS is running out of resources RAM. To temporary solve this issue, you may restart the VPS by executing below command:

vzctl restart VEID 
Note : Replace your VEID with your VPS ID. 


Increase RAM of the VPS and increase "privvmpages" and "kmemsize" parameters for the VPS in below file:

1. Edit the configuration file of the VPS - vi /etc/sysconfig/vz-scripts/veid.conf
2. After increase the value of the above two parameters, restart the VPS.

That's it!

Was this answer helpful?

 Print this Article

Also Read

network error: could not connect to server.. xxx.xxx.xx.xxx:port

Sometimes the Java VNC for windows server doesn't work and shows the error message as below:...

How to display the Quota correctly on cPanel?

On cPanel server , sometimes disk quota are not displayed correctly. The reason is that the "...

date: cannot set date: Operation not permitted (OpenVZ)

When you are getting below error, while updating the date on OpenVZ VPS -date: cannot set date:...

Powered by WHMCompleteSolution