hostname registration

Under Linux, there is a tool called Nslookup, which uses the reverse DNS protocol to query the IP address for the corresponding hostname.Like what:Nslookup 10.0.0.5You can query the corresponding hostname for this IP.Nslookup hongchangfirst.amazon.comThe IP corresponding to this hostname can be queried.According to hostname how to query IP, directly ping can be d

View Copy Code code as follows: [Root@rdo ~]# hostname Rdo [Root@rdo ~]# Hostname-f Rdo.test.com To achieve this effect, you need to modify two files Edit/etc/sysconfig/network, you need to join a line, remember hostname, must be uppercase. Copy Code code as follows: # cat/etc/sysconfig/network Networking=yes

Analysis:Because the performance of the load generator is very good, the server responds particularly quickly, causing the load generator's port to be fully occupied before the timeout is reached.Solution One:In the load generator's registry hkey_local_machine/system/currentcontrolset/services/tcpip/parameters, There are two key values: TcpTimedWaitDelayMaxUserPort1, here the TcpTimedWaitDelay default value should be 30s, so here, turn this value to 5s (adjust as needed). 2, you can also turn th

This error is because the configuration file is not configured properly. The solution is as follows:1 Open Profile FileVim/etc/profile2 The content that is added at the end of the document should be as follows (two highlighted sentences are generally missing):Export JAVA_HOME=/USR/JAVA/JDKExport hadoop_home=/itcast/hadoop-2.6.4Export hadoop_common_lib_native_dir= $HADOOP _home/lib/nativeExport hadoop_opts= "-djava.library.path= $HADOOP _home/lib"Export path= $PATH: $JAVA _home/bin: $HADOOP _home

The problem with modifying the host header is simple, as described earlier how to use IP to access your site. The location of the modification is the same. Remember you have a host header when you create a new WEB application? Change your settings now. The operation is as follows.Application Management-----Configure Alternate Access Mappings---Open, click the url--you want to modify in the URL protocol and port to modify and then save it. 3.1 Note To change your access Mapping Collection----in a

The company's business needs may require a better value of 5.5 for mysql5.1. Therefore, the mysql5.5green edition is downloaded at ftp://ftp.ntu.edu.tw/pub/mysql/downloads/website. Tested in Windows Server 2003 R2. 1042-can't get hostname for your address error is reported during remote connection, and the authorization is completed on the server. The solution is as follows: Edit my. iniAdd or modify the following two rows under the [mysqld] node

Download an Ubuntu image file with fedora wget today. The result is always displayed.Resolving xxxxxxxxxxxx (Domain Name)... failed: No address associated with hostname.Wget: Unable to Resolve Host address "xxxxxxxxxx (Domain Name )"I checked some information, most of which are DNS problems. But I have read/etc/resolv. conf. Use grep to search for the complete string about the domain name and find a script containing the export for setting http_proxy = XXXXXXXXX (domain name. It is estimated tha

During the configuration of the MySQL database remote connection, the firewall and authorization have been done, but the connection still cannot be connected, and the error 1042 (hy000) is reported when the connection is found ): can't get hostname for your address, After checking the information, it may be that there is a problem with MySQL DNS resolution, as long as we configure the following in the MySQL configuration file my. CNF:CodeThe connecti

View the error prompt in the system log as 2014/09/19 18:06:55 [4696] name lookup failed for 212.173.9.32:no address associated with hostname The solution is because the main rsync configuration file does not have access to IP settings so access is denied. Find the rsyncd.conf file in your installation directory Hosts allow = Your IP address is like this And then you can save it. Summary, today made a day, one is the firewall to prevent the spec

1. Mount method The virtual machine gives the command when it is mounted2. Sudo adduser yourusername vboxsf (vboxsf is the user group of the Mounted folder, can be seen in/media directory under ls-l command)3. The command to modify the host name issudo gedit/etc/sudoersPressing ENTER will open the/etc/sudoers file, giving the Hadoop user the same permissions as the root user. Add Hadoop all= (All:all) all under root all= (All:all) all4. The command line cannot parse the new host namesudo gedit/e

1. Configure IP Address#vim/etc/sysconfig/network-scripts/ifcfg-eth0Bootproto=staticOnboot=yesipaddr=192.168.1.2netmask=255.255.255.0gateway=192.168.1.254#vim/etc/udev/rules.d/70-persistent-net.rules2. Configure host Name:# vim/etc/sysconfig/networkNetworking=yesHostname=Localhost.localdomain#vim/etc/hosts192.168.1.2 hostname3. Turn off the firewall:(1) Turn off bootOpen: Chkconfig iptables onOFF: Chkconfig iptables off(2) Close the serviceOpen: Service iptables startClose: Service iptables sto

First Open terminal: input instruction Ls-aThen enter the directive: VI. BASHRCFirst press the letter A, enter the writing;In the last line of the document, add:Ps1= ' ${debian_chroot:+ ($debian _chroot)}\[\033[01;31;40m\]\h\[\033[01;00;40m\]@\[\033[01;33;40m\]\h\[\033[01;31 ; 40m\]:\[\033[00;00;40m\]\w \[\033[01;32;40m\]?\[\033[01;32;40m\] 'Save and exit;The above is to modify the ordinary user *********************************Go to root User: Execute sudo su on terminalIn the input command: CD

computer name (some people do not know what the computer name is, the simple explanation is that it is the physical name of the machine instead of the user name you are using) and the login username.Method two (only for IE and the client's IE allows Acitivex to run):Get the computer name, login username, and domain name (if you join a domain, it shows you which domain the machine is in).Reference Link: JS three ways to get an IP address http://www.jbxue.com/article/11338.htmlMethod three (only

I used the hostname (HOSTNAMEA, hostnameb ...) when I was building the solrcloud to make it easier to monitor the node's normal in the admin UI. ) to specify node, so that the location information of the collection that you see in the Admin UI is displayed as a host name. I think the machine name is better than the IP address, so I did it. This is set up, Solrcloud run normally, then the problem came, on the development of the machine (with SOLR not

configuration file (My.ini). In the MYSQL Server configuration file My.ini, add the following two lines: [Mysqld] Skip-name-resolve It will prevent MySQL Server from DNS parsing of external connections, and using this option can eliminate the time for DNS resolution for MySQL. The Third Way to modify MySQL startup service Enter the system service by running "Services.msc", locate the MySQL service, then open the login, select the Local System account instead of this acco

Tags: mysqld kill-9 lib erro var sed linux. So tarMySQL cannot be restarted, cannot be shut down, cannot be started, unusable, if it is because the hostname has been modified, this can be resolved: Shut down all MySQL processes, and then start some mysql! Today nothing to see their host name is wrong, and then changed to distinguish the server, that only restart MySQL when the following error occurred: MySQL Manager or server PID file could not being

Tags: hostname img No serve pre Windows installation blog Access ServiceWhen 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

Tag: ORACLE12C RAC hostname is invalidTo build an Oracle 12c RAC cluster on the Windows 2012 64-bit Enterprise Edition, the Hosts file is as follows:#add for RAC Config11.14.72.83 Rac111.14.72.84 RAC1-VIP192.168.0.1 Rac1-priv11.14.72.85 RAC211.14.72.86 RAC2-VIP192.168.0.2 Rac2-priv11.14.72.87 ScanipTwo machines to ping each other is not a problem, the pre-check batch is also completely passed, but in the installation of the cluster piece grid is promp

After SQL Server changes the hostname, you need to do something, otherwise the maintenance plan and subscription publishing will have problems, the following steps:Sometimes after the computer name is modified, the execution of the SELECT @ @servername still returns the original computer name, indicating that the "instance" has not been modified and needs to be performed manually:Sp_dropserver ' original host name 'And then executesp_addserver ' new h

Tags: nbsp desire ida BSP Convert sys ITER State host nameTherefore perform the next steps after the hostname is updated/changed/modified in the Oracle Restart Configurati On 1) Configure the CSS Ohas services as root user as follows: # 11.2 Grid Infrastructure Oracle home>/crs/ install /roothas.pl-deconfig-force # 11.2 Grid Infrastructure Oracle home>/crs/ Install /roothas.pl # cd 12.1 Grid infrastructure Oracle Home>/crs/install # perl Ro