hostname and domain name difference

1, check the hostname of the machine#hostname2, modify the hostname of the machine#hostname newnameTakes effect immediately after running (restarting the shell), but changes are lost after the system restarts, and if you want to permanently change

The difference between a level two domain name and a first-level domain name:Level two domain name is dependent on the existence of a domain name exists, that is, the top-level domain name disappears, two-level domain name will no longer exist,

Just installed a Ubuntu operating system under VMware, opened the terminal and found that the host name of this long ah, the entire window is fully occupied.To modify the hostname using hostname, run the command: "hostname new host name"#hostname

CentOS Modify Host Name 1. Temporarily modify host nameDisplay host Name:[Email protected]:~$ hostnamelocalhostModify Host Name:[Email protected]:~$ sudo hostname orcl1[email protected]:~$ HOSTNAMEORCL12. Permanently modify the host nameThe

Ubuntu down SCP Error: ssh:could not resolve hostname devsrv:name or service not known Workaround: You need to add the Devsrv IP to the filename/etc/hosts. Additional /etc/hosts file function: 1. About/etc/hosts, host name and IP configuration

In the Ubuntu system, there are several ways to quickly view the hostname:One, open a GNOME terminal window, you can see the host name at the command prompt, the hostname is usually after the "@" symbol;Second, enter the command in the terminal

In the Ubuntu system, the host name setting involves two files:/etc/hostname:hostname settings/etc/hosts:hostname IP Address correspondence1. View Host NameIt can be viewed through hostname, or through uname-n.2. Temporarily modify host nameCommand

Many applications will involve FQDNsWhat is the difference between a fqnd and a host that the salt gets to be different?The FQDNYou can ' t change the FQDN (as returned by hostname--fqdn) or the DNS domain name (as returned by DnsDomainName) with

1, about/etc/host, hostname and IP configuration file Hosts-the static table lookup for host name (host-Name query-still tables) Hosts file is a Linux system responsible for the rapid resolution of IP address and domain name files, in ASCII format

/etc/resolv.confThe file is a configuration file for DNS domain name resolution, and its format is simple, with each line beginning with a keyword followed by configuration parameters.There are four key words in resolv.conf, namely:NameServer