CentOS等linux系统中_yum命令意外中断后解除锁定的方法
执行yum命令,情况如下:Another app is currently holding the yum lock; waiting for it to exit... The...
解决Nginx启动时提示nginx: [emerg] bind() to 0.0.0.0:80错误
Nginx是一款轻量级的Web服务器,特点是占有内存少,并发能力强,因而使用比较广泛,在一个VPS上启动Nginx时提示“nginx: [emerg] bind() to 0.0.0.0:80 fai...