invalid hostname

Nbsp; you need to modify two files: 1.vi/ etc/hosts/etc/hosts. the contents are generally similar to the following: 127.0.0.1localhost.localdomainlocalhost192.168.1.195debian.localdomaindebian: localhost. localdomainyourna You need to modify two files:1. vi/etc/hostsThe content of/etc/hosts is generally similar to the following:127.0.0.1 localhost. localdomain localhost192.168.1.195 debian. localdomain debianModify: localhost. localdomain = yournameSave and exit.2. vi/etc/sysconfig/networkYou ca

1 usingSystem;2 usingSystem.Collections.Generic;3 usingSystem.Linq;4 usingSystem.Net;5 usingsystem.web;6 7 namespaceFxbvt_team.checkfilepath8 {9 Public classipnetworkingTen { One Public Static stringGetip4address (stringhostaddress) A { - stringIp4address =String.Empty; - the foreach(IPAddress IPAinchdns.gethostaddresses (hostaddress)) - { - if(IPA. addressfamily.tostring () = ="Internetwork") - { +Ip4

In the modification of the student, when the IP is really not, has been used in the previous method, appeared to show the wrong.I have used many methods to test:viewdata["IP"] = Request.UserHostAddress.ToString (); Local IP dynamic get:: 1 //viewdata["IP"] = System.Web.HttpContext.Current.Request.UserHostAddress.ToString ();// Local IP dynamic get:: 1 //viewdata["IP"] = httpcontext.current.request.servervariables["REMOTE_ADDR"];//missing reference, no validation

Centos host name modification (hostname) You need to modify either of them:/etc/sysconfig/network and/etc/hosts. modifying only one of them will cause system startup exceptions. Switch to the root user first. /Etc/sysconfig/Network Open the file in any of your favorite editors with a line in itHostname = localhost. localdomain(If it is the default), modifyLocalhost. localdomainYour host name. /Etc/hosts Open this file with a line127.0.0

In order to standardize the name of Xenserver, we checked this[Root @ xenserver-xutcnqdq ~] # Xe host-listUuid (RO): 05673022-2e69-4cfc-848a-a06ac14de.pdfName-label (RW): xenserver-xutcnqdqName-description (RW): Default install[Root @ xenserver-xutcnqdq ~] # Xe host-set-hostname-live host-uuid = 05673022-2e69-4cfc-848a-a06ac14demo-host-name = xenserver-DS-TestServer05[Root @ xenserver-xutcnqdq ~] # Xe host-param-set name-label = xenserver-DS-TestServe

After iredmail is configured, try to send an email from the client's Oe. An error is returned. Check tail/var/log/maillog on the mail host and find the following error message: Oct 24 12:50:49 mail2 postfix/smtpd[9280]: connect from unknown[192.168.5.240]Oct 24 12:50:49 mail2 postfix/smtpd[9280]: NOQUEUE: reject: RCPT from unknown[192.168.5.240]: 504 5.5.2 After exploration, I found that I only need to modify the Postfix configuration file. My Postfix configuration file is located in/etc/Postfi

[[Email protected]~]# Vi/etc/sysconfig/network-scripts/ifcfg-eth0Device=eth0 # NIC nameBootproto=static # Static IP Address Acquisition Status such as: DHCP indicates auto get IP Addressipaddr=192.168.186.128 #IP Addressnetmask=255.255.255.0 # Subnet MaskOnboot=yes # whether to activate at boot timegateway=192.168.1.1Modify Linux System of Host name :[[Email protected]~]# vi/etc/sysconfig/networkHostname=cuilong # Modify host name, restart effectivegateway=192.168.1.1 # Modify the default gatewa

Installed MySQL 5.5, found remote connection with the MySQL client, reported 1042-can ' t get hostname for the your address error, while the connection user has been authorized. This error means "your address can not get host name", I thought of the skip-name-resolve parameters. The workaround is as follows: Edit My.iniAdd or modify the following two lines under the [MYSQLD] nodeSkip-name-resolve #忽略主机名的方式访问Lower_case_table_names=1 #忽略数据库表名大小写

Example: Change Bogon to AdelababyOracle Linux 6.5[Email protected] ~]# hostnameBogon[Email protected] ~]# hostname Adelababy[Email protected] ~]# hostnameAdelababy[Email protected] ~]# vim/etc/sysconfig/networkNetworking=yesHostname=adelababy[email protected] ~]# reboot[Email protected] desktop]# hostnameAdelababy[Email protected] desktop]# vim/etc/hosts127.0.0.1 localhost Adelababy[[email protected] desktop]# Ping AdelababyPING localhost (127.0.0.1)

At the Linux command line, enter hostname, view the current hostname, and if you want to modify it, add a new host name directly after hostname (note: The following actions require root user execution), such as: # hostname Newhostname Note, however, that the above hostname

Modify the Linux hostname-Linux Enterprise Application-Linux server application information. For more information, see. 1. Enter/etc/sysconfig/network and change hostname = localname to the newname you want. localname is the default value. Save and exit. 2. Enter/etc/hosts, change 127.0.0.1 localname. To 127.0.0.1 newname., save and exit. 3. Restart the instance. Note: If you directly use the

Shell script update or host addition, and add hostname ing to hosts some services need to map hostname and 127.0.0.1 in hosts, such as sudo, the updateHostName script can be used to change/etc/hosts or Add hosts based on input parameters, such as executing sudo. /changeHost. sh blog.duplicatedcode.com 192.168.1.222 domain name is fixed, and the Internet ip address is constantly changing #! /Bin/sh in_ip =$

I. Modifying host names1. Zero modification[Email protected] network-scripts]# hostname jw07And then you can see that our hostname has been modified.2. Permanently modify the host name[Email protected]/]# Hostnamectl set-hostname LiutaoRestart CentOS to see the changesTwo. How to turn off the CentOS firewall1. Zero-off[Email protected] ~]# Systemctl stop Firewall

value of HOST_NAME (), and then we can filter the data with dynamic filter such as "Filter_column = HOST_NAME ()": CREATE TABLE orders (OrderID int not null, Filter_column char (), Quantity int) Go INSERT into orders values (1, ' Nanjing ', 100) INSERT into orders values (2, ' Suzhou ', 200) INSERT into orders values (3, ' Hangzhou ', 120) INSERT into orders values (4, ' Hangzhou ', 100) Go But what do we do with dynamic filter if the data in our table doesn't exactly match the SUSE

Tags: hostname oracle Start#刚开始直接root用户登录, in the ETC directory, switch to Oracle, enter LSNRCTL start to start Oracle prompt "Lsnrctl:command not found" [[Email protected]_test etc]# su Oracle [[email protected]_test etc]$ lsnrctl start bash:lsnrctl:command not found#切换回root用户, cd/root directory, again su-oracle, input lsnrctlstart start Oracle, this time it's OK. [[emailprotected]_test~]$cd/[[Emailprotected]_test/]$su-root su :invalidoption-- ' R '

Cause: The company network interface to do the interface authentication, the virtual machine bridge to the physical network card can not complete authentication network access, but can only say that the virtual machine network mode changed to NAT mode, after the completion of the SSH login, found that the host name has changed.Found the host name into a bogon, very angry, look very uncomfortable, try to change back.View several related files[[emailprotected] ~]# vi /etc/sysconfig/networkNETWORKI

ObjectiveIn the use of CDH cluster process, it will inevitably cause the node IP or hostname changes due to some irresistible reasons, and CM's monitoring interface can not complete these things, but CM will all the hosts in the cluster information is in the PostgreSQL database hosts table,Now let's do this by modifying the hosts.The first step is to close the service1. Turn off the Cluster service, and Cloudera Management services,2. Close cm Service

following code retrieves IP addresses based on the domain name: // Obtain the IP address (nsstring *) getipwithhostname :( const nsstring *) hostname {const char * hostn = [hostname utf8string]; struct hostent * phot; @ try {phot = gethostbyname (hostn) ;}@ catch (nsexception * exception) {return nil;} struct in_addr ip_addr; memcpy ( ip_addr, phot-> h_addr_list [0], 4); char IP [20] = {0}; inet_ntop (

Modify the IP address, hostName, and cdh5hostname of the host node in the cdh5 cluster.Preface When using the cdh cluster, it is inevitable that the node IP address or hostName changes due to some irresistible reasons, and the cm monitoring interface cannot complete these tasks, however, cm stores all host information in the hosts table of the postgresql database, Now let's modify the hosts to complete this

1. Function: Display or modify host name2. Syntax:hostname [-v] [-a] [--alias] [-d] [--domain] [-f] [--FQDN] [-a] [--all-fqdns] [-I.] [--ip-address] [-i] [--all-ip- addresses] [--long] [-S] [--short] [-y] [--YP] [--nis] hostname [-v] [-f filename] [--file filename] [hostname]3. Parameters:-A,--alias displays aliases for temporary modification of host names and fails after reboot-d,--domain output