1、修改/etc/cloud/cloud.cfg文件
1 sed -i "s/^preserve_hostname: false/preserve_hostname: true/g" /etc/cloud/cloud.cfg
2、修改主机名
1 sed -i "s/$HOSTNAME/new-hostname/g" /etc/hostname
3、修改localhost
1 sed -i "s/$HOSTNAME/new-hostname/g" /etc/hosts
1、修改/etc/cloud/cloud.cfg文件
1 sed -i "s/^preserve_hostname: false/preserve_hostname: true/g" /etc/cloud/cloud.cfg
2、修改主机名
1 sed -i "s/$HOSTNAME/new-hostname/g" /etc/hostname
3、修改localhost
1 sed -i "s/$HOSTNAME/new-hostname/g" /etc/hosts