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Accepted
Brad Thompson
Asked: 2021-08-31 16:30:34 +0800 CST

Snapd 不挂载快照块设备

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发行版：Ubuntu 21.04（多毛河马）

我多次删除了 snapd（显然删除了 snapd），然后在安装 snapd 后，所有快照都正常。这次我重新安装了 AppArmor 并安装了 snapd，启用并运行，但这次没有安装 snaps。

The following packages will be REMOVED:
  apparmor* apparmor-easyprof* apparmor-notify* apparmor-profiles* apparmor-profiles-extra* apparmor-utils* snapd*

root@zika:/etc# systemctl status snapd
● snapd.service - Snap Daemon
     Loaded: loaded (/lib/systemd/system/snapd.service; enabled; vendor preset: enabled)
     Active: active (running) since Mon 2021-08-30 19:49:42 EDT; 50min ago
TriggeredBy: ● snapd.socket
   Main PID: 1147 (snapd)
      Tasks: 10 (limit: 4450)
     Memory: 24.3M
     CGroup: /system.slice/snapd.service
             └─1147 /usr/lib/snapd/snapd

Aug 30 19:49:29 zika systemd[1]: Starting Snap Daemon...
Aug 30 19:49:39 zika snapd[1147]: AppArmor status: apparmor is enabled and all features are available
Aug 30 19:49:40 zika snapd[1147]: daemon.go:347: started snapd/2.49.2+21.04ubuntu1 (series 16; classic) ubuntu/21.04 (amd64) linux/5.11>
Aug 30 19:49:41 zika snapd[1147]: daemon.go:440: adjusting startup timeout by 30s (pessimistic estimate of 30s plus 5s per snap)
Aug 30 19:49:42 zika systemd[1]: Started Snap Daemon.
lines 1-15/15 (END)




root@zika:/etc# systemctl status snapd.socket
● snapd.socket - Socket activation for snappy daemon
     Loaded: loaded (/lib/systemd/system/snapd.socket; enabled; vendor preset: enabled)
     Active: active (running) since Mon 2021-08-30 19:49:28 EDT; 47min ago
   Triggers: ● snapd.service
     Listen: /run/snapd.socket (Stream)
             /run/snapd-snap.socket (Stream)
      Tasks: 0 (limit: 4450)
     Memory: 0B
     CGroup: /system.slice/snapd.socket

Aug 30 19:49:28 zika systemd[1]: Starting Socket activation for snappy daemon.
Aug 30 19:49:28 zika systemd[1]: Listening on Socket activation for snappy daemon.


root@zika:/etc# systemctl --state=running|g snap
  snapd.service                     loaded active running Snap Daemon
  snapd.socket                      loaded active running Socket activation for snappy daemon

快照列表
未安装快照

和 lsblk：

root@zika:/etc# lsblk
NAME    MAJ:MIN RM   SIZE RO TYPE MOUNTPOINT
sda       8:0    0 698.6G  0 disk 
├─sda1    8:1    0 279.5G  0 part /
├─sda2    8:2    0   450M  0 part 
├─sda3    8:3    0   100M  0 part 
├─sda4    8:4    0    16M  0 part 
├─sda5    8:5    0  98.4G  0 part 
├─sda6    8:6    0   666M  0 part 
├─sda7    8:7    0 217.8G  0 part /mnt/a38b81ea-8929-4863-a582-c5b65ed6738f
├─sda8    8:8    0   5.4G  0 part [SWAP]
├─sda9    8:9    0   243M  0 part 
└─sda10   8:10   0  96.1G  0 part 
sr0      11:0    1  1024M  0 rom

我还有一个 /home/user/snap 但 /var/lib/snapd/snaps 是空的。这是一种恢复快照的方法还是只是丢失了？/home/user/snap 有什么用？我假设再次安装丢失的快照将保留来自 /home/user/snap 的 conf。我真的迷失了，请有人解释一下。谢谢！

snap

1 个回答

  1. Best Answer

    删除snapd还将删除任何已安装的快照和系统目录中安装的任何文件（至少，这是它当前的工作方式）。因此，预计您需要在重新安装 snap 之后重新安装任何 snap。

    用户配置数据永远不会自动删除。您家中“snap”目录中的所有用户配置数据都将被保留 - 如果您再次安装相应的快照，则可以使用它。

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