给XEN和KVM虚拟的VPS添加swap分区

I bought a VPS with 512M memory from 2host.com, but the strange thing is that they only provided 10M swap. This is really annoying! Although it is basically impossible for me to use swap, I still looked unhappy and added a swap partition to the VPS. It is very simple to use Baidu: Enter directory cd /var/ Get 256M file blocks dd if=/dev/zero of=swapfile bs=1024 count=262144 Create swap file /sbin/mkswap swapfile Activate swap file /sbin/swapon swapfile Check out swap /sbin/swapon -s Add it to the fstab file to start automatically when the system boots. vi /etc/fstab echo "/var/swapfile swap swap defaults 0 0" >>/etc/fstab

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