摘要： [webice@localhost ~]$ sudo yum install update[sudo] password for webice:Loaded plugins: fastestmirrorExisting lock /var/run/yum.pid:another copy is running as pid 4538.Another app is currently holding the yum lock;waiting for it to exit... [webice@localhost ~]$ kill -9 4538 bash:kill: (4538) - Opera 阅读全文