MacOS 修改主机名 hostname ComputerName

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1，系统环境

y50M:~ y50$ sw_vers
ProductName:	Mac OS X
ProductVersion:	10.14
BuildVersion:	18A389

2，修改hostname

a. 查看hostname

y50M:~ y50$ hostname
y50M.local
y50M:~ y50$ echo $HOSTNAME
y50M.local
y50M:~ y50$ scutil --get LocalHostName
y50M
y50M:~ y50$

b. 修改hostname

y50M:~ y50$ sudo scutil --set LocalHostName myMac
Password:
y50M:~ y50$ hostname
myMac.local
y50M:~ y50$

exit退出，重新打开terminal终端

myMac:~ y50$ hostname
myMac.local
myMac:~ y50$ 

3，修改ComputerName计算机名

a. 查看计算机名

myMac:~ y50$ scutil --get ComputerName
y50i
myMac:~ y50$

访达中显示

b. 修改计算机名

myMac:~ y50$ sudo scutil --set ComputerName myMacPro
Password:
myMac:~ y50$ scutil --get ComputerName
myMacPro
myMac:~ y50$

4，MacOS 命令scutil

a，查看命令

scutil --get HostName
scutil --get LocalHostName
scutil --get ComputerName

b，修改命令

$ sudo scutil --set LocalHostName 主机名
sudo scutil --set ComputerName 电脑名

5，macOS Mojave 10.14.6

$ sw_vers 
ProductName:	Mac OS X
ProductVersion:	10.14.6
BuildVersion:	18G95

• LocalHostName

$ hostname
y50deimac
$ echo $HOSTNAME
y50deimac
$ scutil --get LocalHostName
y50mac
$ hostname
y50deimac

• HostName

$ scutil --get HostName
HostName: not set
$ sudo scutil --set HostName y50macOS
$ scutil --get HostName
y50macOS
$ hostname
y50macOS
$ echo $HOSTNAME
y50deimac

• ComputerName

$ scutil --get ComputerName
y50的iMac
$ sudo scutil --set ComputerName y50iMac
$ scutil --get ComputerName
y50iMac

╭─root@kali ~  
╰─➤  ping y50imac                                                           
PING y50imac (192.168.1.6) 56(84) bytes of data.
64 bytes from y50imac (192.168.1.6): icmp_seq=1 ttl=64 time=55.2 ms
64 bytes from y50imac (192.168.1.6): icmp_seq=2 ttl=64 time=2.02 ms

• SSH 访问

╭─root@kali ~  
╰─➤  ssh y50@y50imac
The authenticity of host 'y50imac (192.168.1.6)' can't be established.
ECDSA key fingerprint is SHA256:bO0vANc9nCaoK5Cq/eIPWy6W6LHHJDlrCvGF0AxLpdQ.
Are you sure you want to continue connecting (yes/no)? yes

参考：

1. How to set hostname in Mac OS X with scutil
2. Mac OS X 上修改主机名
3. Mac OS X主机名称变化
4. How to change your Mac’s name using the OS X Terminal

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