Create Fake Swap in OpenVZ VPS if you get swapon failed: Operation not permitted Error
if you get swapon failed: Operation not permitted Error even if you run as root it is because in your VPS swap creation is not allowed follow below steps to Create Fake Swap in OpenVZ VPS [root@server] free -m total used free Mem: 4096 104 3991 -/+ buffers/cache: 104 3991 Swap: 0 0 0 create shell script file add lines like below [root@server] vi fakeswap.sh #!/bin/bash SWAP=”${1:-512}” NEW=”$[SWAP*1024]”; TEMP=”${NEW//?/ }”; OLD=”${TEMP:1}0″ umount /proc/meminfo 2> /dev/null sed “/^Swap\(Total\|Free\):/s,$OLD,$NEW,” /proc/meminfo > /etc/fake_meminfo mount –bind /etc/fake_meminfo /proc/meminfo free -m [root@server] chmod +x fakeswap.sh [root@server] sh fakeswap.sh [root@server] free -m total used free Mem: 4096 104 3991 -/+ buffers/cache: 104 3991 Swap: 512 0 51...