hostname registration

Tags: data wan dom names apt htm cat src 1.01.background The temporary environment for the work is the CENTOS7 server VM11 by the virtual machine, with the oracle11g (11.2.0.1.0) normally accessed and saved as a snapshot. Centos7 ip192.168.44.55, Gateway 192.168.44.2 Since laptops often travel between the company and the home, the gateway to the intranet is different, so using the virtual machine to set NAT mode makes the CENTOS7 available for external access. This way CENTOS7 has its own gatewa

Hostname setting method 1 Check hostnamelinux :~ # Hostnamelinuxlinux :~ # Hostname-i9.110.183.2122 set the hostname Core File 1 linux :~ # Cat/etc/hosts # hosts This file describes a number of hostname-to-address # mappings for the TCP/IP subsystem. it is mostly # used at boot time, when no name servers are running. #

Querying and modifying host informationI. How to modify the Linux host name1. Change the current host name1.1 echo New-hostname>/proc/sys/kernel/hostname (when the system starts, the host name is read from this file)1.2 hostname New-hostname (effective immediately, but will expire after the system is restarted)2. modif

One. Scenario Description:There are a lot of servers in an environment, each server hostname are different, there are hundreds of servers, if one by one through SSH modification, then for us, the workload is very large, and inefficient, and this hostname for our peacetime operation is also very important, When we ssh to a server, if the host name is not set, then we need to know the location of the server b

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 above modification is only a temporary change, after the restart is back to the original. Step 1: Modify the hostname in/etc/sysconfig/network Vi/e

Centos6 Two places need to be modified: One is/etc/sysconfig/network, the other is/etc/hosts, and modifying any one of these will cause the system to boot abnormally. First switch to root user. /etc/sysconfig/networkOpen the file, which has a line of ' Hostname=localhost.localdomain, modify localhost.localdomain for your host name. /etc/hostsOpening the file, there will be a row 127.0.0.1 localhost.localdomain localhost where 127.0.0.1 is the local

1, CENTOS7 modified hostname[[emailprotected]~]$hostnamectlset-hostnamecentos7.l # using this command will take effect immediately and reboot will take effect [[emailprotected]~]$ hostname # View the next centos7.l[[emailprotected]~]$vim/etc/hosts # Edit the Hosts file, Add hostname[[emailprotected]~]$cat/etc/hosts to 127.0.0.1 # Check 127.0.0.1localhostlocalh

When the Inux is installed, its default hostname is localhost. It takes 3 steps to modify the Linux host name: 1. Modify the current host name using hostname.Hostname new-hostname 2. Modify the/etc/sysconfig/network configuration file so that the new hostname is used the next time you restart. Open the/etc/sysconfig/network file and change the

CentOS 7.0 modify hostname In centos, you can modify the hostname temporarily or permanently. Temporary modification does not require a restart and takes effect immediately.Temporarily modify hostname # Hostname // view the current hostname #

Tips for using the hostname commandWe all know that the hostname command is used to view the Host Name and modify the host name. [Root @ apache ~] # Hostname // view the Host Name of the Local MachineApache.example.com[Root @ apache ~] # Hostname redhat // temporarily modify the Host Name[Root @ apache ~] # HostnameRe

Hostname in Linux is very important in most applications. for example, some applications force the host name instead of the IP address. if the default host name is localhost. if localdomain is used, the problem will occur, and it seems so unsatisfactory. In CentOS6 and earlier versions, you can modify the host name by modifying the configuration file. this configuration file is generally/etc/sysconfig/network. However, in CentOS7, many system manageme

Premise: No host name record is added to the/etc/hosts file, and the/etc/resolv.conf file is not configured correctly (or not configured).Phenomenon: On the CentOS7, only modified the native hostname, ping the result is a bit strange.Explain:Originally in the/etc/nsswitch.conf file, the hosts have one more item: #hosts: DB Files nisplus NIS DNS hosts: files DNS myhostname Is that the Myhostname item,/etc/hosts and DNS are not resolved to the

#!/bin/bash# modifying IP and hostname ethconf=/etc/sysconfig/network-scripts/ifcfg-eth0 HOSTS=/etc/hosts NETWORK=/etc/sysconfig/Network DIR=/root/backup/'Date+%y%m%d ' NETMASK=255.255.255.0 functionchange_ip () {if[!-d $DIR]; Then mkdir-P $DIRfi Echo "Now change IP address, Doing Backup Interface eth0" CP$ETHCONF $DIR Read-P"Please insert IP address:"ipaddrsed-I."s/ipaddr=.*/ipaddr= $IPADDR/g"$ETHCONFEcho "This IP address change success!" }functionc

/ Wkiom1ws69jbfvc0aaba4rx59fu290.jpg "width=" 604 "height="/> Hostnamectl–privileged This command does not look that understand, execution will also error 650) this.width=650; "title=" clip_image012 "style=" border-left-0px; border-right-width:0px; Background-image:none; border-bottom-width:0px; padding-top:0px; padding-left:0px; padding-right:0px; border-top-width:0px "border=" 0 "alt=" clip_image012 "src=" http://s3.51cto.com/wyfs02/M01/6F/E9/ Wkiom1ws69js5tkmaabg4evgg70200.jpg "width=" 604 "h

Modify the host name hostname. And centoshostname of CentOS. Modify the hostname of CentOS It is said that the host name with localhost is not good for Oracle Installation, so there are several ways to modify the hostname: (1) Use the hostname command (temporarily) Check the current host name. Set

Two places need to be modified: One is/etc/sysconfig/network, the other is/etc/hosts, and modifying any one of these will cause the system to boot abnormally. First switch to root user. The code is as follows: /etc/sysconfig/network Open the file in any of your favorite editors, with a line of Hostname=localhost.localdomain (if default), and modify localhost.localdomain for your hostname. The code is as

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 fileHosts-the static table lookup for host name (host name query static tables)Linux/etc/hosts is a file that configures the IP address and its corresponding hostname