root server

Article title: network service configuration in redhat7.1. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open

Create a DNS server on Linux-Linux Enterprise Application-Linux server application information. For more information, see. I. Assumptions Many DNS articles start with the DNS principle. From the perspective of my use, I will provide some simple and

RHEL6 dual Nic bonding configuration 1) modprobe is no longer available under RHEL6. conf file in/etc/modprobe. d/build bond0 [root@servermodprobe.d] # cat/etc/modprobe. d/bond0aliasbond0bondingoptionsbond0miimon = 100 mode = 42) The LACP mode is

Improve the speed of web pages, generally we will choose to use a CDN, using the "nearest principle" to allow users in the shortest possible time to obtain the server resources, the actual application of the use of CDN to improve the speed of

1. Use Nginx Ip_hash as Load Balancer Service and support session sticky2, using nginx sticky third-party module to achieve cookie-based load balancing3, using the Nginx map instruction according to the cookie shunt:Map $COOKIE _abcdexpid $group { ~

Blog jobs: Using httpd-2.2 and httpd-2.4 respectively1, the establishment of HTTPD services, requirements: (1) provide two name-based virtual host WWW1, WWW2; there are separate error logs and access logs; (2) Provide status information through WWW1

[Root @ zqtsx] # rpm-qa | grep rsync # Check whether the rsync package is installed in the systemRsync-2.6.8-3.1[Root @ zqtsx] # rpm-ivh rsync-2.6.8-3.1.i386.rpm # Install Manually If Not Installed Or install Yum install rsync for installation (the

one of the common Linux commands:FindFind,find is a traversal lookup of the entire system without specifying a lookup directoryUse format: Find [specify Find directory] [find rule] [action executed after find][Specify find directory] for

A: What is DNS why there is DNSDomain Name Systems (English: Domain Name System, abbreviation: DNS) is a service of the Internet. The internet was born early because the number of access to the Internet is very small, there is no dedicated DNS

DNS (domain Name System), the Internet as the domain name andIP Addressone of the mutual mappingsDistributed databaseTo make it easier for users to accessInternet, instead of remembering the number of IP strings that can be read directly by the

After a short time of quiet, hackers are beginning to itch. Not long ago, the world-renowned hacker arrangement Anonymous (anonymous) revealed that in March 31, the DNS domain name root server proposed large-scale DDoS attacks, so that the global

1. sudo apt-get install xinetd telnetd2. sudo vim/etc/xinetd.conf and add the following to the next Ubuntu Linux telnet settings:# Simple configuration file for xinetd## Some defaults, and include/etc/xinetd.d/Defaults{# Please note the need a

Telnet commands are usually used to log on remotely. The Telnet program is a telnet protocol-based Telnet client program. The Telnet protocol is a member of the TCP/IP protocol family and is the standard protocol and main way of Internet remote

This article describes the Linux memory cleanup/release commands, as follows: 1. Memory usage before cleaning Free-m 2. Start cleaning up Echo 1 >/proc/sys/vm/drop_caches 3. Memory usage after cleaning Free-m 4

In the cluster, a number of servers, all manually installed, the equivalent of a great time, this is not realistic. (no outside the net) guiding ideology Thought one, each machine is equipped with a local file system on the Yum warehouse

5.1 Common network commands With network-related tools available in the Red Hat Linux 7.1 system, it is essential that these tools be well mastered: Category one: Setting tools 1.netconf: Netconf is part of the linuxconf provided by Red Hat Linux

I. Introduction (do not want to see directly can skip)Migrate Emos servers, the new server has been completed after the test, and then very important work is to complete the old mail system in the mail data migration, the choice of copy of the way

DNS is a hierarchical decentralized name correspondence system a bit like a computer directory tree structure at the top is a "root" Then it is divided into several basic category names such as comorgedu, and then the following is the organization

How to use Mysqld_multi:Official document: Https://dev.mysql.com/doc/refman/5.7/en/mysqld-multi.html "There are some problems with this document, Mysqld_multi cannot close the instance according to its configuration"Mysqld_multi The workaround for

This article will introduce you to the detailed guide on rsync synchronization settings for linux servers. I hope some methods will be helpful to you. I. Introduction (skip this step if you don't want to see it)After the EMOS server is migrated, the