Linux使用Yum安装软件包时提示Existing lock /var/run/yum.pid: another copy is running as pid 17078

使用yum安装软件时提示Existing lock /var/run/yum.pid: another copy is running as pid 17078.，是因为yum已经在后台运行，pid为17078，将此进程结束掉即可。       1、查看后台进程，yum的进程pid为17078 [[email protected] ~]# ps 或 [[email protected] ~]# j

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