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Ubuntu20.04 lts 如何卸载snap

沙漠渔
2022-08-11 / 0 评论 / 0 点赞 / 1,597 阅读 / 5,533 字 / 正在检测是否收录...
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是什么

snap是一种全新的软件包管理方式,类似于一个容器拥有一个应用程序所有的文件和库,各个应用之间完全独立,所以使用snap包的好处就是解决了应用程序之间的依赖问题,使应用程序之间更容易管理,但是由此带来的问题就是占用更多的磁盘空间以及部分权限问题。

~# df -h
Filesystem             Size  Used Avail Use% Mounted on
udev                    32G     0   32G   0% /dev
tmpfs                  6.3G  1.3M  6.3G   1% /run
/dev/mapper/vg0-lv--0   80G   15G   66G  19% /
tmpfs                   32G     0   32G   0% /dev/shm
tmpfs                  5.0M     0  5.0M   0% /run/lock
tmpfs                   32G     0   32G   0% /sys/fs/cgroup
/dev/loop0              62M   62M     0 100% /snap/core20/1587
/dev/mapper/vg0-lv--2  887G  6.3G  881G   1% /home
/dev/loop1              62M   62M     0 100% /snap/core20/1328
/dev/loop2              44M   44M     0 100% /snap/snapd/14978
/dev/loop3              68M   68M     0 100% /snap/lxd/21835
/dev/loop4              68M   68M     0 100% /snap/lxd/22753
/dev/loop5              47M   47M     0 100% /snap/snapd/16292
/dev/sda2              994M  146M  849M  15% /boot
tmpfs                  6.3G     0  6.3G   0% /run/user/0
/dev/loop6              56M   56M     0 100% /snap/core18/2538
/dev/loop7             119M  119M     0 100% /snap/docker/1779
tmpfs                  6.3G     0  6.3G   0% /run/user/1001

这里多出来的snap目录就是自动生成的。

为什么

Snap是Ubuntu的杰作,也就是Ubuntu背后的公司Canonical搞的,所以Snap都会随着Ubuntu一起发行。由于Ubuntu在Linux操作系统中占有非常重要地位,使用率非常高。连带的导致Snap也被使用的越来越多。这并不是什么坏现象,对吧。但可惜事实是,Snap越发的不受到欢迎。

什么原因?

Snap有很多问题,比如几个比较明显的缺点是性能相对较差,软件包的体积大,中心化的软件商店,不透明的运行机制等等很多不受人欢迎的原因,我卸载主要是担心有啥问题了怕不知道咋处理。。。

怎么做

sudo apt autoremove --purge snapd

执行结果:

/# sudo apt autoremove --purge snapd
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages will be REMOVED:
  snapd* squashfs-tools*
0 upgraded, 0 newly installed, 2 to remove and 44 not upgraded.
After this operation, 147 MB disk space will be freed.
Do you want to continue? [Y/n] y
(Reading database ... 72121 files and directories currently installed.)
Removing snapd (2.54.3+20.04.1ubuntu0.2) ...
Stopping snap.lxd.activate.service
Stopping unit snap.lxd.activate.service
Waiting until unit snap.lxd.activate.service is stopped [attempt 1]
snap.lxd.activate.service is stopped.
Stopping snap.lxd.daemon.service
Stopping unit snap.lxd.daemon.service
Waiting until unit snap.lxd.daemon.service is stopped [attempt 1]
snap.lxd.daemon.service is stopped.
Stopping snap.lxd.daemon.unix.socket
Stopping unit snap.lxd.daemon.unix.socket
Waiting until unit snap.lxd.daemon.unix.socket is stopped [attempt 1]
snap.lxd.daemon.unix.socket is stopped.
Removing squashfs-tools (1:4.4-1ubuntu0.3) ...
Processing triggers for man-db (2.9.1-1) ...
Processing triggers for dbus (1.12.16-2ubuntu2.2) ...
Processing triggers for mime-support (3.64ubuntu1) ...
(Reading database ... 72029 files and directories currently installed.)
Purging configuration files for snapd (2.54.3+20.04.1ubuntu0.2) ...
Stopping snap.lxd.activate.service
Stopping unit snap.lxd.activate.service
Waiting until unit snap.lxd.activate.service is stopped [attempt 1]
snap.lxd.activate.service is stopped.
Removing snap.lxd.activate.service
Stopping snap.lxd.daemon.service
Stopping unit snap.lxd.daemon.service
Waiting until unit snap.lxd.daemon.service is stopped [attempt 1]
snap.lxd.daemon.service is stopped.
Removing snap.lxd.daemon.service
Stopping snap-core18-2538.mount
Stopping unit snap-core18-2538.mount
Waiting until unit snap-core18-2538.mount is stopped [attempt 1]
snap-core18-2538.mount is stopped.
Removing snap core18 and revision 2538
Removing snap-core18-2538.mount
Stopping snap-core20-1328.mount
Stopping unit snap-core20-1328.mount
Waiting until unit snap-core20-1328.mount is stopped [attempt 1]
snap-core20-1328.mount is stopped.
Removing snap core20 and revision 1328
Removing snap-core20-1328.mount
Stopping snap-core20-1587.mount
Stopping unit snap-core20-1587.mount
Waiting until unit snap-core20-1587.mount is stopped [attempt 1]
snap-core20-1587.mount is stopped.
Removing snap core20 and revision 1587
Removing snap-core20-1587.mount
Stopping snap-lxd-21835.mount
Stopping unit snap-lxd-21835.mount
Waiting until unit snap-lxd-21835.mount is stopped [attempt 1]
snap-lxd-21835.mount is stopped.
Removing snap lxd and revision 21835
Stopping unit snap.lxd.daemon.unix.socket
Waiting until unit snap.lxd.daemon.unix.socket is stopped [attempt 1]
snap.lxd.daemon.unix.socket is stopped.
Stopping unit snap.lxd.daemon.unix.socket
Waiting until unit snap.lxd.daemon.unix.socket is stopped [attempt 1]
snap.lxd.daemon.unix.socket is stopped.
Removing snap-lxd-21835.mount
Stopping snap-lxd-22753.mount
Stopping unit snap-lxd-22753.mount
Waiting until unit snap-lxd-22753.mount is stopped [attempt 1]
snap-lxd-22753.mount is stopped.
Removing snap lxd and revision 22753
Removing snap-lxd-22753.mount
Stopping snap-snapd-14978.mount
Stopping unit snap-snapd-14978.mount
Waiting until unit snap-snapd-14978.mount is stopped [attempt 1]
snap-snapd-14978.mount is stopped.
Removing snap snapd and revision 14978
Removing snap-snapd-14978.mount
Stopping snap-snapd-16292.mount
Stopping unit snap-snapd-16292.mount
Waiting until unit snap-snapd-16292.mount is stopped [attempt 1]
snap-snapd-16292.mount is stopped.
Removing snap snapd and revision 16292
Removing snap-snapd-16292.mount
Discarding preserved snap namespaces
Final directory cleanup
Removing extra snap-confine apparmor rules
Removing snapd cache
Removing snapd state

验证

/# snap list
-bash: /usr/bin/snap: No such file or directory
0
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