Increase swap on Centos 6
Present we are having 1gb SWAP disk and we want to increase to 3gb SWAP disk on CentOs.
Step 1: Check current swap status by top command or cat /proc/meminfo.
Step 2: Create swap image with dd command with 2gb more.
Step 3: Make swap image with mkswap command.
Step 4: Need add swap image to /etc/fstab to map the swap image when server reboots.
Step 5: Mount swap to server by swapon command.
Step 6: We also can use “top” command to check swap , RAM and CPU of our server.
That’s all. Thanks for using IThelpblog.com.