ubuntu 18.04 磁盤占滿

18.04 默認(rèn)安裝的，用啦沒多久，df 后發(fā)現(xiàn)有些分區(qū)占100%，這個是18.04 的bug，還是安裝的姿勢不對。還有救么？

df后發(fā)現(xiàn)磁盤

文件系統(tǒng)           1K-塊      已用      可用 已用% 掛載點
udev             2724552         0   2724552    0% /dev
tmpfs             550960      1896    549064    1% /run
/dev/sda2      114337956  28723256  79763564   27% /
tmpfs            2754780      5856   2748924    1% /dev/shm
tmpfs               5120         4      5116    1% /run/lock
tmpfs            2754780         0   2754780    0% /sys/fs/cgroup
/dev/loop0         14848     14848         0  100% /snap/gnome-logs/40
/dev/loop2         35584     35584         0  100% /snap/gtk-common-themes/319
/dev/loop1          3840      3840         0  100% /snap/gnome-system-monitor/54
/dev/loop3        259584    259584         0  100% /snap/electronic-wechat/7
/dev/loop4          2304      2304         0  100% /snap/gnome-calculator/222
/dev/loop5        144384    144384         0  100% /snap/gnome-3-26-1604/70
/dev/loop6         13312     13312         0  100% /snap/gnome-characters/101
/dev/loop7          3840      3840         0  100% /snap/gnome-system-monitor/45
/dev/loop8        142848    142848         0  100% /snap/gnome-3-26-1604/64
/dev/loop9          2432      2432         0  100% /snap/gnome-calculator/199
/dev/loop11        14848     14848         0  100% /snap/gnome-logs/34
/dev/loop12         2432      2432         0  100% /snap/gnome-calculator/180
/dev/loop13         3840      3840         0  100% /snap/gnome-system-monitor/51
/dev/loop10        90112     90112         0  100% /snap/core/5328
/dev/loop14        13312     13312         0  100% /snap/gnome-characters/117
/dev/loop15        14848     14848         0  100% /snap/gnome-logs/37
/dev/loop16       143488    143488         0  100% /snap/gnome-3-26-1604/59
/dev/loop17        89088     89088         0  100% /snap/core/4917
/dev/loop18        13312     13312         0  100% /snap/gnome-characters/103
/dev/loop19        89088     89088         0  100% /snap/core/5145
/dev/sda1         523248      4744    518504    1% /boot/efi
tmpfs             550956        16    550940    1% /run/user/120
tmpfs             550956       156    550800    1% /run/user/1000