报错内容:
[root@yu /]# yum repolist
Loaded plugins: fastestmirror, langpacks
Repodata is over 2 weeks old. Install yum-cron? Or run: yum makecache fast
Existing lock /var/run/yum.pid: another copy is running as pid 4127.
Another app is currently holding the yum lock; waiting for it to exit...
The other application is: yum
Memory : 25 M RSS (426 MB VSZ)
Started: Thu Apr 9 15:26:34 2020 - 34:06 ago
State : Traced/Stopped, pid: 4127
大致意思是:这个yum进程正在运行或已经存在
解决方案:
把这个yum进程清除、结束掉
[root@yu yum.repos.d]# rm -f /var/run/yum.pid
[root@yu yum.repos.d]# yum clean all
Loaded plugins: fastestmirror, langpacks
Repodata is over 2 weeks old. Install yum-cron? Or run: yum makecache fast
Cleaning repos: base extras mysql-connectors-community mysql-tools-community mysql57-community
: updates
Cleaning up list of fastest mirrors