invalid hostname

Wake up in the morning find the Linux hostname changed to BogonBogon refers to addresses that should not appear in the Internet routing table.These addresses should include:1, private address such as 10,172.16-32,192.168 .....2. Address not officially assignedAfter Google found a way to change the nameOne: Using the hostname command[Email protected] ~]# hostname

The host name needs to be modified with a script, involving the Redhat, SUSE system, and requires that the modifications take effect immediately without restarting, and here is my script.Here's how to use the script:1 First create a script file, if named ModifyHostname.sh:touch modifyhostname.sh2 then give this file to this file grant Execute permission: chmod a+x modifyhostname.sh3 Copy the following script contents to the modifyhostname.sh file4 Execute ScriptSH modifyhostname.sh newhostname #

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. Vi/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. Vi/etc/hosts Open the file and there

You can change the host name of linuxmintubuntu in two steps: 1. first, modify the etchostname file sudovimetchostname and change the host name to the one you want to modify. 2. then, modify the etchosts file sudovimetchosts and add a 127001 linuxmint/ubuntu command to modify the host name in two steps: 1. first modify the/etc/hostname file sudo vim/etc/hostname to change the host name to the one you want t

Modify the hostname settings in Linux-Linux Enterprise Application-Linux server application information. For more information, see. You need to modify two files: 1. vi/etc/hosts The content of/etc/hosts is generally similar to the following: 127.0.0.1 localhost. localdomain localhost 192.168.1.195 debian. localdomain debian Modify: localhost. localdomain = yourname Save and exit. 2. vi/etc/sysconfig/network You can directly modif

Rare BUG in MySQL database -- Can't get hostname for your address, mysqlhostname When connecting to mysql jdbc Com. mysql. jdbc. exceptions. jdbc4.MySQLNonTransientConnectionException: Communication link failure, message from server: "Can't get hostname for your address" Whether it is using jdbc: mysql: // 127.0.0.1: 3306 or jdbc: mysql: // localhost: 3306, this error occurs. This error indicates that

#!/usr/bin/envpython#_*_coding:utf-8_*_ "If you want to run a batch configuration: Run this script with Ansible Ansibletestserver -mscript-a "chage_hostname.py" "importosshell="/sbin/ifconfig -a|grepinet|grep-v127.0.0.1|grep-vinet6|awk ' {print$2} ' |tr -d ' addr: ' #定义获取IP地址的shell命令res =os.popen (Shell, ' R ', 0) #执行shell命令, and return value IPADDR =str (Res.read ()) #读取返回值, i.e. IP address str_ip=ipaddr.replace ('. ', '-') #将IP地址中的 "." Replace with "-" hostnames= ' ambari-%s ' %str_ip #组成

SVN reports the following error:Org. Tigris. subversion. javahl. clientexception: RA layer request failedsvn: Options of '[Your SVN address ]':Cocould not resolve hostname 'svn .123.net': Do not know such a host. (Http://svn.123.net: 82) 1. in DOS mode, Ping svn.123.net and you will see the corresponding IP address, for example, 10.0.1.3 2. find the hosts file address of your system and move it out. You can edit the status and add 10.0.1.3 svn.123.net

I. Network configuration modifications1. Temporary modification (Ip,dns,netmask,gateway)Temporarily modify the network configuration, as long as it does not involve the modification of the configuration file, after the network service restarts, all settings expire2. Permanent modification (Ip,dns,netmask,gateway)Modify the network configuration file "Ifcfg-ens33" and save it for permanent effectTwo. machine hostname and domain name setting in the clus

Label:Reprint Please specify Http://www.cnblogs.com/juandx/p/5418204.html OpenStack has 3 libraries, nova,neutron,keystone, what I need to do now is cross-Library tables to query VM information Get a virtual machine for floating_ip, fix_ip, PROJECT_NAME, user_name, hostname, host (don't know what the difference between host and node in the Instances table) Select J.floating_ip_address as Floating_ip, I.fix_ip, i.port_id, I.project_name, I.user_name,

Fix to modify hostname causes MySQL restart slave failed(This happens only in the case where the slave information is present in the file, if there is no such problem in the table):Sometimes we change the host name very early, after running for several months, suddenly system problems, restart the database, found that start slave not come. The Relay-log file name and offset are not found.Workaround:> Show Slave status\g Note the current execution to t

When you connect MySQL jdbc, it throws aCom.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException:Communication link failure, message from Server: "Can ' t get hostname for your address"Error, whether it is using jdbc:mysql://127.0.0.1:3306 or jdbc:mysql://localhost:3306 , this error has occurred.This error means "your address can not get host name", Think of skip-name-resolve parameters, but add this parameter, because I use the Windows in

This problem has not appeared before, is this time in my lead in the performance test A1 class There are individual students appeared this problem, just to sort out the next solution. This issue occurs because of a problem when detecting hostname, the workaround is as follows:Modify the MySQL configuration file my.cnf, and then add a line under [mysqld]:Skip-name-resolve, then save the exit, then restart the MySQL service. using the ODBC link again is

Reference: http://wp.fungo.me/linux/what-the-hell-is-hostname.htmlHostname is the machine name, a variable in the kernel, can be temporarily modified or permanently modified/etc/hosts The local DNS system, query the domain name will be first in this file inside the query, can not find the system DNS to findSo hostname and the hosts didn't have a half-penny relationship.However, it is easy to cause confusion in the following situations:Assuming that th

A few days ago, when using JavaMail to send Mail on a Linux server, it always reported javax.mail.messagingexception:501 syntax:helo hostname this error, In the confirmation of the message sent by the host is not a problem, and in the local Windows environment, it is normal to send, this is a bit weird, it is not recently good character. Well, after a toss, I finally found the reason. Solution:1, first use hostna