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E: Could not get lock /var/lib/dpkg/lock-frontend. It is held by process 1323 (unattended-upgr)
7 X8 H* _, Q( H+ \, k/ W9 R# {N: Be aware that removing the lock file is not a solution and may break your system.3 Y4 W% n8 v+ C- G/ R& q, j
E: Unable to acquire the dpkg frontend lock (/var/lib/dpkg/lock-frontend), is another process using it?
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7 P/ P% Q, ^' W |+ g查找9 |' s5 L' g) ?* w F6 N
8 Y- Z1 Z, e8 {1 B$ f1 G4 y5 \root@compute01:~# ps -A |grep apt
( d3 _3 U, h" M) ?; A$ ]" {2 qroot@compute01:~# ps -A |grep apt-get9 q1 O/ h) I$ _7 B% m$ M
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$ sudo kill -9 processnumber% P7 J+ Y/ @1 y9 Q& |+ N8 K
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kill -SIGKILL processnumber
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! F# O, ]: X; k8 {, Z% e比如，下面命令中的9是 SIGKILL 的信号数，它会杀掉第一个 apt 进程6 k1 k5 c' y; l& v
$ a; f5 T0 c* B$ L5 D! s删除锁定文件( [8 C% f+ k" W& ?( W/ R7 j: H
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锁定的文件会阻止 Linux 系统中某些文件或者数据的访问，这个概念也存在于 Windows 或者其他的操作系统中。* p! g6 U1 ?7 `
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一旦你运行了 apt-get 或者 apt 命令，锁定文件将会创建于 /var/lib/apt/lists/、/var/lib/dpkg/、/var/cache/apt/archives/ 中。
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, O0 b1 {. f4 @ t* h& `这有助于运行中的 apt-get 或者 apt 进程能够避免被其它需要使用相同文件的用户或者系统进程所打断。当该进程执行完毕后，锁定文件将会删除。
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" T6 c7 Y! ?; s& Z4 M) b 当你没有看到 apt-get 或者 apt 进程的情况下在上面两个不同的文件夹中看到了锁定文件，这是因为进程由于某个原因被杀掉了，因此你需要删除锁定文件来避免该错误。; K. Q+ O; R" w6 J [5 @6 D" w, L
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7 ^' L4 `" S" }" x* ~8 @, H3 Q( hroot@compute01:~# apt-get -y upgrade
* y# S1 ?0 A0 u: A' O' n3 {Reading package lists... Done
+ s- t7 O! C% H' G) ]5 Y) k! f& ABuilding dependency tree... Done9 r9 a+ n. A# p g3 Y
Reading state information... Done3 X- ^" }0 s4 Q, P: \9 K
Calculating upgrade... Done/ M4 o0 Q" H2 M5 d2 ]% w
The following packages will be upgraded:
0 }1 u) a6 D1 ]2 h apparmor apport apt distro-info-data dpkg grub-common grub-pc grub-pc-bin
* H7 B4 V1 n+ K0 q$ y: H grub2-common isc-dhcp-client isc-dhcp-common libapparmor1 libapt-pkg6.0) J7 R3 Y0 h; P
libgssapi-krb5-2 libip4tc2 libk5crypto3 libkrb5-3 libkrb5support0 libldap-2.5-0! u& M7 C; C2 ^" z
libldap-common libnetplan0 libnss-systemd libpam-systemd libsasl2-2! M, M/ F- F9 P! q# F
libsasl2-modules libsasl2-modules-db libsystemd0 libudev1 libxtables12 n, r6 v d1 Y9 k
linux-firmware mdadm netplan.io python3-apport python3-problem-report7 L; j! @. N3 i& m5 P5 C! I
python3-software-properties python3-tz python3-yaml software-properties-common, G: v: N y% x5 @2 m
systemd systemd-hwe-hwdb systemd-sysv tzdata ubuntu-drivers-common udev
7 ~( K$ [) B5 V2 g- S44 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.1 U, [+ h% g) S0 Y
Need to get 267 MB of archives.
0 G% P9 O3 } k- ^4 ]After this operation, 2741 kB of additional disk space will be used.% I- h4 E9 G9 z1 q
0% [Working]
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发表于 2023-6-25 17:02:18