1 改变 swap 文件大小

1
2
3
4
5
6
7
8
swapon --show
sudo swapoff /swap.img
sudo rm /swap.img
sudo fallocate -l 4G /swap.img
sudo chmod 600 /swap.img
sudo mkswap /swap.img
sudo swapon /swap.img
swapon --show

2 清理磁盘

1
2
sudo journalctl --vacuum-time=7d
sudo snap list --all | awk '/disabled/{print $1, $2}' | while read snapname revision; do sudo snap remove "$snapname" --revision="$revision"; done