How to disable core dumps on Linux Servers

To disable core dumps on Linux Servers

Core dump is a memory or a storage dump which records the memory state of a computer program when it was terminated by the operating system due to various error behavior. In this article Hostdens will give you how to disable core dumps on Linux Servers.

Please follow the steps to disable core dumps for all users : 

Step 1 :  Edit /etc/security/limits.conf and use the following command.

vi /etc/security/limits.conf

Step 2:  Make sure the following config directive exists by using following command. 

hard core 0

Step 3 : Disable core dumps for setuid programs by using following command.

echo ‘fs.suid_dumpable = 0’ >> /etc/sysctl.conf
sysctl -p

Step 4 : Now, Set a soft limit to stop core dumps being created by using following command.

echo ‘ulimit -S -c 0 > /dev/null 2>&1’ >> /etc/profile

That’s it!