启用 PackageKit

1. 如果要启用 PackageKit 更新程序，请先重新安装我们删除的软件包，同时禁用它。

# yum install gnome-packagekit PackageKit-yum
Dependencies Resolved
===============================================================================================================================================================
...
Installed size: 10 M
Is this ok [y/d/N]: y

2. 启动 packagekit 服务前先取消屏蔽它。

# systemctl unmask packagekit
Removed symlink /etc/systemd/system/packagekit.service.
# systemctl start packagekit

3. 验证服务状态。

# systemctl status packagekit

Mar 27 15:47:26 geek.mylabserver.com systemd[1]: Starting PackageKit Daemon...
Mar 27 15:47:26 geek.mylabserver.com PackageKit[2522]: daemon start
Mar 27 15:47:26 geek.mylabserver.com systemd[1]: Started PackageKit Daemon.

4. 使用以下命令启用 packagekit 服务以在启动时启动。

# systemctl enable packagekit

禁用 PackageKit

1. 检查PackageKit服务的状态。

# systemctl status packagekit
● packagekit.service - PackageKit Daemon
   Loaded: loaded (/usr/lib/systemd/system/packagekit.service; static; vendor preset: disabled)
   Active: active (running) since Tue 2018-03-27 15:41:45 UTC; 1s ago
 Main PID: 2334 (packagekitd)

2. 要禁用通过 PackageKit 进行的自动更新，我们需要停止“packagekit”服务并永久禁用它。

# systemctl stop packagekit
# systemctl mask packagekit
Created symlink from /etc/systemd/system/packagekit.service to /dev/null.

3. 要完全删除 PackageKit 软件更新程序，请使用以下命令。

# yum remove PackageKit*
Dependencies Resolved
==============================================================================================================================================================
 Package                                          Arch                         Version                                    Repository                     Size
==============================================================================================================================================================
Removing:
 PackageKit                                       x86_64                       1.1.5-1.el7.centos                         @base                         2.6 M
 PackageKit-glib                                  x86_64                       1.1.5-1.el7.centos                         
 ...
Remove  3 Packages (+5 Dependent packages)
Installed size: 10 M
Is this ok [y/N]:

PackageKit 是基于 RedHat 的 linux 发行版中的图形软件更新程序。
本文说明了通过 PackageKit 更新程序启用或者禁用自动更新所需的步骤。