centos set dns server

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Set up Rsyslog log server in CentOS 6.7

Set up Rsyslog log server in CentOS 6.7Preface: With the increase of servers and network devices in the IDC room, log management and query have become a headache for system administrators. System Administrators encounter the following common problems: 1. During routine maintenance, it is impossible to log on to every server

Set up pptp server in centos

Set up pptp server in centos PPTP(Point to Point Tunneling Protocol) Default port: 1723 PPTP is the PPTF protocol. This protocol is a new enhanced security protocol developed on the basis of the PPP protocol. It supports multi-protocol Virtual Private Network (VPN) and can pass the password authentication protocol (PAP) and Extended Authentication Protocol (EAP)

Set up rsyslog log server in CentOS

Set up rsyslog log server in CentOS Functions provided by the software: 1. rsyslog is a log service of RHEL or centos 6. x, replacing the syslog service of the previous system. In this architecture, the rsyslog service is mainly used to collect logs, classify logs, and write them into the database. 2. mysql is a simple

Set up rsyslog log server using centos

Set up rsyslog log server using centos The system is centos 6.5x64 Server Yum install-y rsyslog Mkdir/data/log Vi/etc/sysconfig/rsyslog # SYSLOGD_OPTIONS = "-c 5" # R indicates that receiving is allowed, x indicates that DNS res

Install vsftpd on Centos to set up an ftp server

1. Install vsftp Here, we set up virtual users. The so-called virtual users do not use real accounts, but only map accounts and Set permissions by some means. Yum install vsftpd Touch/var/log/vsftpd. log # create a vsftp log File In CentOS, you can build a simple anonymous FTP. You can access ftp: // yourip, but this FTP does not have any permissions. 2. Start/

Set iptables rules for Centos Web server security

Recently, due to the problem of a centos website server, you have been constantly searching for centos security information. Below is a common iptables rule: IPT = "/sbin/iptables"$ Ipt-delete-chain$ Ipt-flush$ Ipp-input DROP #1$ Ipt-p forward drop #1$ Ipp-output DROP #1$ Ipt-a INPUT-m state-state RELATED, ESTABLISHED-j ACCEPT #2$ Ipt-a INPUT-p tcp-m tcp-dport

Set up a dhcp server in centos

Set up a dhcp server in centos1. Install dhcp Software [root@dns-server ~]# yum install dhcp -yIi. Configure dhcp Parameters [Root @ dns-server ~] # Cat/etc/dhcp/dhcpd. conf ## DHCP Server

Set up the CentOs Server environment and centosserver

Set up the CentOs Server environment and centosserverCentOs Server environment construction Tags (separated by spaces): Environment build centos Introduction: This document provides guidance on how to build a JAVA project-related server

Install and set up Apache server under CentOS 6.4

1. Open the virtual machine after opening the CentOS 6.4 system and enter the root user, open the terminal, enter the #yum -y install httpd, installation Apache server.After entering the command, you need to pause the confirmation several times before the installation completes, enter Y to press ENTER until the installation displays complete.2. Set the native IP address for the

Set up SVN server in Centos 6.4

Set up SVN server in Centos 6.4 Subversion is an excellent version control tool. For more information about its advantages and details, see the encyclopedia, [root@localhost~]#iptables-F [root@localhost~]#setenforce0 [Root @ localhost ~] # Lsb_release-a # view system version LSBVersion::base-4.0-amd64:base-4.0-noarch:core-4.0-amd64:core-4.0-noarch:graphics-4.0-am

Set ntpdate synchronization network time on the CentOS server

If multiple CentOS servers run the same service and have high requirements on time accuracy, the time of multiple servers must be consistent. The simplest thing is that each server uses ntpdate to synchronize the time of the same network time server. 1. enter ntpdatetime.nist.gov to synchronize the network time [root @ localhost ~] # Ntpdatetime. nist. govMonDec1

Set up SVN server in CentOS 7 and centossvn

Set up SVN server in CentOS 7 and centossvn The installation procedure is as follows: 1,Yum install subversion 2. Check the installation version.Svnserve -- version 3. Create the SVN version library directoryMkdir-p/var/svn/svnrepos 4. Create a version LibrarySvnadmin create/var/svn/svnrepos After this command is executed, the following files are generated in th

What does DNS mean? DNS how to set up

------Internet Protocol (TCP/IP)-Properties we can see the default settings. You can also enter from the Network Neighborhood on your computer desktop, and enter the DNS settings interface as follows:   Vista or Windows 7 systems Enter the DNS Setup method as follows: The entry method is essentially the same as Windows XP, Start-Control Panel-network and Share center-view status after local co

CentOS sets the network (modify IP & amp; Modify gateway & amp; Modify DNS), and centos network modifies ip

in/etc/hosts. GATEWAY = 192.168.1.1 # Set the IP address of the GATEWAY connected to the local machine. * ********* After the above files are modified, You need to restart the NIC to take effect:# Service network restart******** CentOS DNS Modification After all the above changes, when you ping a domain name, you will be unable to get through, but ping the corre

Set up SVN server and configuration file in Centos

Run Centos to build the SVN server and configuration file 1. install # yum install subversion to determine whether the installation is successful. When yum is installed, the above prompt is displayed: version svnserve, version 1.6.11 (r93411, the installation is successful. Www.2cto.com also needs to create a SVN database after SVN software is installed. # Mkdir/opt/svn/repos # svnadmin create/opt/svn/repos

What to do with DNS errors (how to properly set up DNS)

Have you ever encountered a DNS error or can be on the QQ but not open the Web page situation? Or is it too slow to open the page? These could be DNS setup errors or no settings, so here's how to troubleshoot DNS errors and how to set up DNS to navigate the web smoothly. To

Set MySQL to allow remote connection under the CentOS Server

Set MySQL to allow remote connection under the CentOS Server1. Go to MySQL and create a new user root. The password is root. Format: grant permission on database name. Table name to user @ login host identified by "User Password ";11. grant select, update, insert, delete on *. * to root@192.168.1.12 identified by "root ";1. Original data table structure11. MySQL gt; use MySQL;12. Database changed13. MySQL

Set Putty for automatic remote login on CentOS Server

Set Putty for automatic remote login on CentOS Server 1. Generate the public key and key Verdana @ hostname :~ $ Ssh-keygen-t rsa Generating public/private rsa key pair. Enter file in which to save the key (/home/verdana/. ssh/id_rsa ): Enter passphrase (empty for no passphrase ): Enter same passphrase again: Your identification has been saved in/home/verdana/. s

Set WordPress 301 redirection for Nginx on CentOS Server

Set WordPress 301 redirection for Nginx on CentOS Server In the Nginx environment, use 301 for permanent redirection. The code is: Rewrite ^/archives/(. *)/$1 permanent; You can also write data separately, for example: Rewrite ^/archive/(%0-9%%%%%.html $/%1.html permanent; # rewrite ^/archive/category /(. *) $/category/$1 permanent; # directory category rewri

A Brief Introduction to the concept of DNS server, and the establishment of a simple DNS name cache server to achieve domain name resolution (1)

own hierarchical management system.Like the file system structure, the top-down tree hierarchyThe top is the root node domain name resolution server... Com. net. org. cn. TWTop-level domain name country domain nameIBM. | hp. TechBytesWWWFor example, if IBM has a host named WWW, its name will go from low to high.Www. IB,. com.Www.tech.ibm.com.Generally, it can be divided into 63 domain names, and each segment can contain up to 127 domain names.General

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