Linux

AIX system image (RAID1)Make an image of the operating system to prevent the normal operation of the system from being affected when the hard disk breaks down.Standard steps for creating rootvg1. extendvg2. chvg-Qn3. mirrorvg-s4. syncvg-v5. bosboot-6

Directory 1 VPN Server Environment Description 2. Install the VPN Server package 3. Configure the VPN Server 4. Configure the route forwarding function of the VPN Server 5 FAQ. 4 5.1/var/log/messages the following error occurs in the log. How can

Environment:CentOS 6.4 64-bitNginx-1.3.9JDK-1.7Tomcat-6.0.10 Abstract:Apache supports Java flexibly. It is mostly implemented in Apache + Tomcat and Apache + resin. Apache uses built-in modules to support Java application servers. Nginx supports the

Ubuntu is easy to install nagios, sudo apt-get install-y nagios3, you can complete the installationUbuntu @ ubuntu :~ $ Sudo apt-get install-y nagios3 1. How to set an alert message for nagios, select Internet Site, and send an email using SMTP

The previous article talked about the job submission process by jobClient. This article continues with the previous article. The previous article mentioned jobSubmitClient. submitJob (jobId, submitJobDir. toString (), jobCopy. getCredentials () Here

Overview: Vsftpd is a well-known FTP server in Linux. Of course, it is preferred to build an FTP server. This article describes how to install vsftpd in CentOS 6.4 and configure a virtual user to log on to FTP.Body: 1. Install vsftpd Check whether

Environment Introduction Operating System: CentOS6.5 _ x64 miniLoad Balancing mode: DR (direct routing)Brief description of LVS and Keepalived:LVS is short for Linux Virtual Server, which is a Virtual Server cluster system. The cluster technology

Note: O & M personnel know that they often work with developers to build environments they need to improve development efficiency. What they face every day is code, therefore, code availability and management are crucial to development. Every time a

The website where Gunicorn runs Python is really simple. Here we will introduce how to use django. Compared with complicated apache configurations, this configuration is actually less than an order of magnitude. First install Gunicorn through

After solr4.6 is installed, I tried to import data to collection1 in batches using csv files. First, write the csvfile (book.csv. My path is: E:/book.csv. And pay attention to the file encoding. My encoding is GB2312. It will be used for later

Ssh Configuration Host A: 10.0.5.199 Host B: 10.0.5.198You need to configure host A to log on to host A and host B without A password. First, make sure that the firewall of all hosts is disabled. Run the following command on host: 1. $ cd ~ /. Ssh 2.

Redis is widely used in the business, but it is seldom mentioned how to monitor redis and observe redis performance in real time, currently, common monitoring solutions use the info and monitor commands provided by redis to obtain relevant

# Redis sample configuration file # Note the unit problem: when you need to set the memory size, you can use a common format like 1 k, 5 GB, 4 m:##1 k = & gt; 1000 bytes# 1kb => 1024 bytes#1 m => 1000000 bytes#1 mb => 1024*1024 bytes#1g => 1000000000

1. Test EnvironmentMaster: 127.0.0.1 6379Slave1: 127.0.0.1 6479Slave2: 127.0.0.1 6579Master-sentinel: 127.0.0.1 26379Slave1-sentinel: 127.0.0.1 26479Slave2-sentinel: 127.0.0.1 265792. Download and install redis 2.8.3CdWget

Use svnadmin create to create a version Library:Svnadmin create cqzn_serverThe Directory of each version library has a hooks directory:# Ls/home/svn/cqzn_server/Conf dav db format hooks locks README.txtThere is a hooks folder under each version

Bind9.9.2 + mysql is actually something in the mysql database table called by bind (The data in the table is zone region data ). In fact, the principle is the same, except that all bind zone files in bind exist in mysql. Bind calling mysql is

Hadoop pseudo-distribution is generally used for learning and testing. production environments are generally not used. (If you have any mistakes, please criticize and correct them) 1. installation environment Install linux on windows. CenOS is used

LVS is short for linux virtul server. It is a well-known open source project hosted by Dr. Zhang Wenyu, a solution for implementing the "Three highs" system. LVS aims to solve the increasingly prominent problem in the rapid development of Web

By using the interactive installation script, you only need to operate on the master node. The script automatically delivers the code to other remote hosts, including modifying environment variables, modifying related configurations, and unified

In the DR model, an additional IP address (vip) is configured for all machines (including Director ). This model needs to solve several problems 1. When a client VIP sends a connection request, the request must be connected to the Director VIP,