情形:提示 Device eth0 does not seem to be present 步骤: 1.vmware 克隆,选择full clone 2.启动克隆后的系统,修改ifcfg-eth0,/etc/sysconfig/network-scripts/ifcfg-eth0,修改ip.HWADDR这两项,HWADDR这一项的值 的settings 3.删除/etc/udev/rules.d/ 下的文件 4.重启虚拟机.…
1.安装某服务设置开机启动的时候报错 [root@node1 ~]# systemctl enable lvm2-lvmetad.serviceThe unit files have no [Install] section. They are not meant to be enabledusing systemctl.Possible reasons for having this kind of units are:1) A unit may be statically enabled b…
MySQL Daemon failed to start Mysql出问题一定要学会查看log https://blog.csdn.net/shuai825644975/article/details/79473236 mysql突然挂了,重启提示:MySQL Daemon failed to start 用mysql -root -p登录,提示[mysql]ERROR 2002 (HY000): Can't connect to local MySQL server through socke…
起因 最近项目使用MongoDB,但是作为一个技术菜鸟,NoSQL数据库我还真不会用,于是我就在自己的阿里云服务器上安装了一个MongoDB4.0.9. 现象 但是当我使用yum -y update升级以后,MongoDB无法启动了,即使重装删除了MongDB的文件了还是启动不起来. 解决方案 最后我找到了stackoverflow上的一个问答,解决了这个问题. 按照提示:Most probably this was from previous MongoDB version. I delete…
今天,启动MySQL服务器失败,如下所示: [root@spark01 ~]# /etc/init.d/mysqld start Starting mysqld (via systemctl): Job for mysqld.service failed because the control process exited with error code. See "systemctl status mysqld.service" and "journalctl -xe&qu…
