CentOS

In the MySQL password modification There are two cases, one is no password set password, this situation occurs when the first installation completed MySQL, MySQL no password, in order to secure the data, we have to set the password, the other is to

Objective:The main article is that I need to configure SSH to be free to login before installing Hadoop. Through the online search, found a lot of similar information, but how many small problems, so combined with their own practice, recorded in

Host and virtual machines using VirtualBox to communicate with each other method:(Use VirtualBox do not use the green version, because the green version of the virtual network card driver is not installed, so the host and the virtual machine can not

Software version: jdk-8u20-linux-x64.rpm：Http://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html650) this.width=650; "src=" http://s3.51cto.com/wyfs02/M02/4B/5E/wKiom1QquCSz_d1JAAdJ-iGA1UE650.jpg "title=" Java SE

# Vim/boot/grub2/grub. cfg 650) This. width = 650; "src =" http://s3.51cto.com/wyfs02/M02/4C/2D/wKioL1Q3yNjwMc4WAAMpN5CrQ6s655.jpg "Title =" 1.png" alt = "wkiol1q3yn1_mc4waampn5crq6s655.jpg"/> Add the content marked in red circles to change the

I. Preparations Centos System (liunx ). JDK installation package: jdk-6u27-linux-i586.bin MySQL package: MySQL-5.1.72-1.glibc23.i386.rpm-bundle.tar       Ii. JDK Installation   Upload the JDK installation package: jdk-6u27-linux-i586

Most of the time, we need to do some image generation work (such as verification code). At this time, we generally need to use the system library. But things are always unsatisfactory. The Linux operating system we use cannot be as "flagship" as the

You can view the following commands:# Lsb_release-LSB version: core-3.1-ia32: core-3.1-noarch: graphics-3.1-ia32: graphics-3.1-noarchDistributor ID: centosDescription: centos release 5.4 (final)Release: 5.4Codename: FinalThis command applies to all

Prerequisite: Disable the Firewall Service iptables stop Or Chkconfig iptables off (firewall permanently disabled) Disable SELinux Setenforce 0 Or VI/etc/sysconfig/SELinuxChange SELinux = enforcing to SELinux = disabled. Exit save and restart 1.

1. Check the Java version information. [[email protected] ~]# java -versionjava version "1.8.0_20"Java(TM) SE Runtime Environment (build 1.8.0_20-b26)Java HotSpot(TM) 64-Bit Server VM (build 25.20-b23, mixed mode)[[email protected] ~]# 2.

After centos is installed in Enterprise Linux, the network connection service is disabled by default. You must manually start centos before using the network service. After centos 7.0 is installed, the network configuration file is in

Access the directory/usr/share/applications as Administrator Gedit eclipse. Desktop 1 [desktop entry] 2 name = eclipse 3 version = 2013 4 genericname = eclipse 5 comment = eclipse for Linux with SWT 6 exec =/home/DSP/softwares/eclipse. with.

Reprint please explain the source: http://blog.csdn.net/cywosp/article/details/39701141 Note: The following operations are only performed on one machine: 1. install PHP supportYum install PHP-common PHP-cli PHP-GB PHP 2. Install ganglia and Its

1. Prepare the compiling environment Yum-y install GCC make cmake Autoconf libtool libevent Install a required dependency package for Apache Yum-y install Apr-util apr pcre-devel 2. download the software package Wget http://mirror.bit.edu.cn/apache//

Open the file:/etc/sysconfig/i18n, and modify the relevant attribute configuration as follows:   Lang = "zh_cn.gb18030" Language = "zh_cn.gb18030: zh_cn.gb2312: zh_cn" supported = "zh_CN.UTF-8: zh_cn: Zh: en_US.UTF-8: en_us: en" sysfont =

Disk alert today, insufficient space, not found for a long time. The following describes the procedure. [[email protected] /]# du -sch /*6.6M     /bin39M     /boot161M     /data164K     /dev12M     /etc115M     /home240M     /lib25M     /lib6420K    

Yum-y install wget Java glibc. i686 mysql-ServerRpm-IVH openfire-3.9.3-1.i386.rpmService openfire startService mysqld start; chkconfig mysqld onMysql_secure_installationMysql-uroot-PMysql> Create Database openfire;Mysql> grant all privileges on *. *

I have recently reviewed Linux and installed centos6.5 on the Virtual Machine. By the way, I have upgraded OpenSSH that comes with the system. Any system operation is risky. Please back up the system in the official environment. Paste the Code

The overall architecture has changed significantly, from supporting multiple platforms to supporting a single platform and a single architecture. Currently, the latest RHEL/centos 7 only supports the x86_64 architecture. That is to say, it is likely

Nginx installation in centos is summarized. The source code package wget is first sent to the server from the official website, through some nginx configuration, compilation, and finally service registration./etc/init.d, You can use System