11月 10 Ubuntu netplan apply报警告:WARNING:root:Cannot call Open vSwitch: ovsdb-server.service is not running.
10月 12 ESXi手动设置固定MAC地址报错：00:50:56:XX:YY:ZZ is not a valid static Ethernet address. It conflicts with VMware reserved MACs for other usage.
5月 18 yum update -y报错：The GPG keys listed for the MySQL 5.7 Community Server repository are already installed but they are not correct for this package.