CentOS

First CENTOS7 already does not support MySQL, because charges you understand, so the internal integration of MARIADB, and install MySQL will and mariadb file conflict, so need to uninstall MARIADB, the following is uninstall MARIADB, install MySQL

Quick Install, configure, start, check-off 5002-5011 ports open all other -F --iptables-a input-i lo-j ACCEPT5002:5011- Iptables-a INPUT-J Accept-a OUTPUT--a FORWARD-J Accept/etc/ rc.d/init.d/iptables saveservice iptables restartservice

I. Preparationvmware11,centos6.5Two. Start the installation Open a VMware virtual machine650) this.width=650; "src=" Http://s3.51cto.com/wyfs02/M00/6E/57/wKioL1V5nojyv3otAAJYLucnlQk646.jpg "title=" QQ picture 20150611223513.jpg "alt="

1, in the installation process do not select the network adapter, other normal execution2. Editing[Email protected] ~]# Vi/etc/sysconfig/network-scripts/ifcfg-eth0Usually after installing the software, open eth0 have some records as follows:Device= "

/boot: Used to store the Linux system boot-related programs, such as boot loader, etc., the recommended size is 100MB./usr: used to store applications in Linux systems, with more relevant data, more than 3GB is recommended./var: used to store

First, installation CentOS 6.5To successfully boot the system with the CD, the following interface will appear650) this.width=650; "src=" http://blog.itpub.net/attachment/201409/19/29819001_1411112632aJMt.jpg "width=" 637 " height= "462" style=

Environment: CentOS 6.3 Kernel (GNU looks like everyone knows)Graphics:ATI Mobility Radeon HD 3470To install the graphics process:1, the official website download the latest

Yum Install lamp under CentOS1.Install apache,mysql,php with Yum.1.1 Installation ApacheYum Install httpd Httpd-develWhen the installation is complete, use/etc/init.d/httpd StartStart ApacheSet to boot : Chkconfig httpd on1.2 Installation MySQL1.2.1

HostnamectlIn version 7, hostname has three formsStatically (static host name)Dynamic (transient/dynamic host name)Alias (Pretty host name)Query Host NameHostnamectl or Hostctl status query host nameHOSTNAMECTL status

Problem: The company added operations manager, in order to ensure the security of the server, and when the problem is good to confirm the problem, you need to record the behavior of each server landing track.Fix the problem: The Linux script command

#!/bin/bash#0. Disable SELinuxSetenforce 0Sed-i ' s/selinux=enforcing/selinux=permissive/g '/etc/sysconfig/selinux#1. Set IP Address##read-P "input interface Num[eth0,eth1]:" int#read-P "Input IP address:" IP#read-P "input netmask:" Ms#read-P "input

System Command Yum command Yum Makecache Yum Generate cacheYum List installed mysql* see if there are any installed * packagesRpm-qa | grep mysql* See if mysql* package is installedYum List mysql* See if there are any installation

Suppose we have such a sceneshare name path permissionsSharedoc/smb/docs all personnel, including guests, can accessrddocs /smb/tech only allow read and write access for users of specific groupsThe group name of the specific group is Rd,

Delete files other than the specified file under Linux   A, delete files and folders under Linux Common commands are as follows: Delete files: RM file  www.2cto.com   Delete folder: Rm-rf dir Note that rmdir Only empty folders can be deleted.   (b)

CentOs Server Environment Setuptags (space delimited): Environment build CentOS 引言：本文档是在全新的CentOs系统搭建JAVA工程相关的服务器环境的指导文档，阅读本文档请使用markdown阅读器，或者在IDE开发工具中安装markdown插件Step index:1. Installing the JDK2. Install Tomcat3. Installing Nginx4. Install MySQL5.

One, unable to access the CentOS network under Windows1. View the firewall#/etc/init.d/iptables status#/etc/init.d/iptabels Stop//firewall off#iptables-I input-p TCP--dport 80-j ACCEPT2. View httpd Status#/etc/init.d/httpd status#/etc/init.d/httpd

Centos7 && hadoop-2.7.0.tar.gzHadoop is based on a Java environment, so you need to configure the JDK.1. Configure the JDK:http://blog.csdn.net/fantasydreams/article/details/464862752. Download the hadoop-2.7.0.tar.gz package and upload it to the

centos7.0 && jdk1.8.0_451. Upload the downloaded JDK package to the CentOS os via SSHThis is jdk-8u45-linux-x64.tar.gz download link: http://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html2, to decompress-vxzf

Solve CentOS Warning: $ HADOOP_HOME is deprecated A warning message is reported when Hadoop is started. The Hadoop version I installed is hadoop1.0.4. The warning information is as follows: [Plain] view plaincopy [Root@localhosthadoop-1.0.4]

After installing centos, you cannot connect to the network. Today I got a CentOS 6.4 version. After the installation, I found that the network cannot be connected, and I cannot PING the internet. I searched the internet and found that after Linux