Logwatch噪音太大



我已经使用Logwatch至少12年了,但是自从我搬到Ubuntu 18.04之后,我对文件系统检查中清单37/snap的每日电子邮件感到非常恼火:

Filesystem      Size  Used Avail Use% Mounted on
/dev/nvme0n1p2  439G  268G  149G  65% /
/dev/loop0       83M   83M     0 100% /snap/shotcut/119
/dev/loop1      234M  234M     0 100% /snap/gimp/322
/dev/loop3      291M  291M     0 100% /snap/vlc/1620
/dev/loop4      218M  218M     0 100% /snap/gnome-3-34-1804/60
/dev/loop2      256K  256K     0 100% /snap/gtk2-common-themes/13
etc...

我在没有运气的情况下寻找了一个解决方案,我一直在寻找logwatch文件,我找不到任何设置来做到这一点。

我查看了/usr/share/logwatch/scripts/services/zz-disk_space,其中df命令是:

df -h -x tmpfs -x devtmpfs -x udf -x iso9660
Filesystem                         Size  Used Avail Use% Mounted on
/dev/nvme0n1p2                     439G  268G  150G  65% /
/dev/loop0                          83M   83M     0 100% /snap/shotcut/119
/dev/loop1                         234M  234M     0 100% /snap/gimp/322
/dev/loop3                         291M  291M     0 100% /snap/vlc/1620
etc... (37 of those in total)

通过添加'-x squashfs',我得到了我想要的:

df -h -x tmpfs -x devtmpfs -x udf -x iso9660 -x squashfs
Filesystem                         Size  Used Avail Use% Mounted on
/dev/nvme0n1p2                     439G  268G  150G  65% /
/dev/sda                           3.6T  580G  2.9T  17% /backup
/dev/nvme0n1p1                     511M  7.4M  504M   2% /boot/efi
//192.168.0.200/nas-office/backup  1.9T  723G  1.2T  39% /mnt/nas

太棒了!

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