sh [linux：mkswap]在linux上创建交换内存。 #linux

Posted 2021-05-07

# Check swapfile and memory status.
$ free
$ cat /proc/swaps

# Verify available storage size.
$ df

# Create 2GB swap.
$ dd if=/dev/zero of=/swapfile bs=1M count=2048
$ mkswap /swapfile
$ swapon /swapfile

# Mount setting on after reboot.
$ vim /etc/fstab
> /swapfile swap swap defaults 0 0

# Unmount swapfile.
$ swapoff /swapfile

# Memory clear and re-mount.
$ swapoff -a && swapon -a