invalid hostname

In the past, we had to set up the email system. Currently, the complete FQDN name must be set for Puppet. Different operating systems are different. View [root @ rdo ~] # Hostnamewww [root @ rdo ~] # Hostname-fwww.server110.com to achieve this effect, you need to modify the two files to edit/etc/sysconfig/ne before engaging in the mail system, this is the content that must be set. Currently, the complete FQDN name must be set for Puppet. Different ope

From: http://www.gwxdn.com/html/system/linux/2010/0120/6128.html The Linux host name is set during the installation of the Linux operating system and is the only identifier of a host on the network. However, if you want to modify the host name after installing the Linux system, what should I do? This article describes how to use Ubuntu Desktop 9.04. 1. view the host name quickly In ubuntu, there are two methods to quickly view the Host Name: one is to open a gnome terminal window, you can see th

Linux Host version:Distributor Id:ubuntuDescription:ubuntu 14.10release:14.10First, modify the Linux host name1. Use the hostname command to view the current host name　　2. Save after modifying hostname in/etc/hostname file (some versions modify hostname in/etc/sysconfig/network)Second, modify the host name and IP mappi

Hostname setting Method 1 check hostnamelinux :~ Hostnamelinuxlinux :~ Hostname-i91101832122 sets the hostname core two files 1 linux :~ Catetchostshosthisfiledescribesa hostname setting Method 1 check hostnamelinux :~ # Hostnamelinuxlinux :~ # Hostname-i9.110.183.2122 set t

Change Hostname in CentOS 7 After upgrading the VPS system to CentOS 7, I tried to modify/etc/sysconfig/network to modify the hostname, but it was useless. the method for modifying the Hostname of CentOS 7 is different from that of the previous version. We hope this article will help you modify the Hostname on CentOS 7

Today, hostname settings are not very concerned, but once a Linux host encounters a hostname setting problem, it may also cause some incredible network problems and service process problems.Hostname check,Uname-nHostname-A |-S |-d |-FHostname commands can be used to determine the host and hostname settings; The gethostname () function gets localhost because

Http://publib.boulder.ibm.com/infocenter/db2luw/v9r5/index.jsp? Topic =/com.ibm.db2.luw.messages. SQL .doc/doc/msql06031n.html Question Changing hostname of the DB2 server. What updates in DB2 need to be made?Cause Changing the DB2 server's hostname.Answer Perform the following on the DB2 Server: 1) login as the dasadm user on Unix/Linux or local administrator on Windows. Stop the DB2 Administration Server (DAS ): Db2admin stop 2) login as the inst

Two changes need to be modified: one is/etc/sysconfig/network and the other is/etc/hosts, and only modifying any of them will cause system startup exceptions. First switch to the root user. /etc/sysconfig/network Open the file with any of your favorite editors, with a line of Hostname=localhost.localdomain (if default), and modify Localhost.localdomain to your hostname. /etc/hosts

Linux notes 1-centos7 Desktop GNOME installation, language settings, hostname settingsOne, Desktop Gnome installation1. Find the software that can be installed, GNOME Desktop2. Install Yum Groupinstall "GNOME Desktop" until it's ready to installSecond, language settingsSet to English, easy to make mistakes in the foreign language station searchLocalectl Set-locale Lang=en_us. UTF-8Three, hostname settingsHo

Centos7 permanent hostname modification method, centos7hostname The modification method of hostname in centos7 has changed. Modification of the/etc/hosts and/etc/sysconfig/network files is no longer effective. The new command used is:BashShell> hostnamectl set-hostname centos7Shell> suShell> hostnameCentos7Use this method for versions earlier than centos 7:BashS

Change fedora hostname permanently Change fedora hostname permanently When remote login to another machine, it is likely thatHostnameArealways the same, like localhost, this can be confusing when logging to manymachines at the same time, so the following method can be used to change thehostname (only root can do this ): Vim/etc/hostname Aut

Each time we use Linux, we will initialize the system configuration, listed below.1. Opening of the serviceSystemctl Enable Firewalld.service // set the specified service to boot systemctl disable Firewalld.service // systemctl is-enabled firewalld.service // query is set to start automatically2. Temporarily open, close, and restart the service.Systemctl start Filewalld.service // temporarily turn on the Firewall service systemctl stop Filewalld.service

Well, finally, the last of the series, let's explore the final question today. Question 5: How to view the value of hostname, whichever is it? 1 [[emailprotected] ~] 2 # hostname 3 db-server 4 [[email protected] ~] 5 # more/proc/sys/kernel/hostname 6 db-server 7 [[emailprotected] ~] 8 # More/etc/sysconfig/networkNetworking=yesNetworking_ipv6=yesHostna

Reprint : https://www.cnblogs.com/zeusmyth/p/6231350.html　change user name and hostname under UbuntuMany times, we are not satisfied with the installation of the user name and host name, but because already in this user has done a lot of configuration, so only on the original basis to change the user name and host name.However, when changing these documents, be careful, because accidentally will cause a restart after the situation can not be logged in

For Linux and FreeBSD, modify the hostname-Linux Enterprise Application-Linux server application information. For more information, see. Changing the host name in Linux and FreeBSD is the same as the following command: Hostname host.mydomain.com Specifically, host.mydomain.com is the newly designated hostname, but to automatically use the new

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 this Command. The FQDN ofThe system is the name of the resolver (3) returns for the host name.The Technically:the FQDN is the name of the gethostbyname (2) returns for the host, name returned by GetHostName (