[root@localhost ~]# yum update -y
Loaded plugins: fastestmirror, langpacks
Existing lock /var/run/yum.pid: another copy is running as pid 13905.
Another app is currently holding the yum lock; waiting for it to exit...
The other application is: PackageKit
Memory : 26 M RSS (429 MB VSZ)
Started: Sat Oct 21 06:42:11 2017 - 00:44 ago
State : Sleeping, pid: 13905
Another app is currently holding the yum lock; waiting for it to exit...
The other application is: PackageKit
Memory : 26 M RSS (429 MB VSZ)
Started: Sat Oct 21 06:42:11 2017 - 00:46 ago
State : Sleeping, pid: 13905
[root@localhost ~]# ps -ef|grep 14172
root 14172 11949 19 06:44 ? 00:00:03 /usr/bin/python /usr/share/PackageKit/helpers/yum/yumBackend.py update-packages only-trusted;only-download systemd-sysv;219-42.el7_4.4;x86_64;updates&seabios-<…..>
[root@localhost ~]# systemctl -l|grep package
packagekit.service loaded active running PackageKit Daemon
[root@localhost ~]# systemctl disable packagekit.service
[root@localhost ~]# systemctl stop packagekit.service
[root@localhost ~]# ps -ef|grep 14172
root 14282 13993 0 06:47 pts/1 00:00:00 grep --color=auto 14172
