默认情况下Linux主机的名称是localhost如:
[root@localhost ~]# hostname localhost.localdomain
修改如下:
[root@localhost ~]# vim /etc/hosts 127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4 ::1 localhost localhost.localdomain localhost6 localhost6.localdomain6 把中间的localhost.localdomain修改成自己的名称:kiccleaf 127.0.0.1 localhost kiccleaf localhost4 localhost4.localdomain4 ::1 localhost kiccleaf localhost6 localhost6.localdomain6 [root@localhost ~]# vim /etc/hostname 把localhost名称修改成自己的名称:kiccleaf
重启一下系统
[root@localhost ~]# reboot Connecting to *.*.*.*:22... Connection established. To escape to local shell, press Ctrl+Alt+]. Welcome to CentOS 8 _ _ _ ___ | | (_) | | / __) | | _ _ ____ ____| | _____ _____ _| |__ | |_/ ) |/ ___) ___) || ___ (____ (_ __) | _ (| ( (__( (___| || ____/ ___ | | | |_| \_)_|\____)____)\_)_____)_____| |_| Last login: Tue Aug 25 11:57:55 2020 from *.*.*.* [root@kiccleaf ~]# hostname kiccleaf
FreeBSD修改名称比较简单
root@localhost:~ # vim /etc/rc.conf hostname="kiccleaf" root@localhost:~ # reboot #重启后连接显示 Connecting to *.*.*.*:22... Connection established. To escape to local shell, press Ctrl+Alt+]. Last login: Mon Aug 24 18:06:00 2020 from *.*.*.* FreeBSD 12.1-RELEASE r354233 GENERIC Welcome to FreeBSD! _ _ _ ___ | | (_) | | / __) | | _ _ ____ ____| | _____ _____ _| |__ | |_/ ) |/ ___) ___) || ___ (____ (_ __) | _ (| ( (__( (___| || ____/ ___ | | | |_| \_)_|\____)____)\_)_____)_____| |_| root@kiccleaf:~ # uname -a FreeBSD kiccleaf 12.1-RELEASE FreeBSD 12.1-RELEASE r354233 GENERIC amd64