CentOS

When running Java application, the hint cannot find Java_home, query java-version [Jifeng@localhost bin]$ java-version java Version "1.7.0_09-icedtea" OpenJDK the Runtime Environment ( rhel-2.3.4.1.el6_3-i386) OpenJDK Client VM (build 23.2-b09,

1, enter the following command: ssh-keygen-t RSA 2, input command ls: produce two files: Id_rsa id_rsa.pub 3, copy id_rsa.pub, and named Authorized_key CP ~/.ssh/id_rsa.pub ~/.ssh/authorized_keys 4, the implementation of SSH localhost.

Recently installed on the VirtualBox CentOS, suddenly found the CPU fan turned, a check, the original VirtualBox on the CentOS almost in 100% use VirtualBox assigned to its CPU core. On the internet to find a half-day, finally found a method, namely:

EnvironmentCentOS 7 64-bitMySQL 5.7 64-bit1. Uninstalling the system's own mariadb[[email protected] /]# rpm -qa|grep mariadbmariadb-libs-5.5.56-2.el7.x86_64[[email protected] /]# rpm -e mariadb-libs-5.5.56-2.el7.x86_64 --nodeps2. Download RPM

Reprinted from: http://blog.csdn.net/liumm0000/article/details/18841197RPM Mode installation MySQL5.6A. Check MySQL and related RPM packages, if installed, remove (rpm–e name) 1 [[email protected] ~]# rpm -qa | grep -i mysql

1, download the official MySQL Yum Repository, official address: https://dev.mysql.com/downloads/repo/yum/Choose the right MySQL version from the MySQL website to get it.Then use wget to download:[Email protected] ~]# wget

1. Check to see if MySQL is installed: Rpm-qa mysql*650) this.width=650; "src=" Https://s5.51cto.com/wyfs02/M00/08/65/wKiom1ngps7yWaAJAAAXXLqueVs475.png "title=" Picture 1.png "alt=" Wkiom1ngps7ywaajaaaxxlquevs475.png "/>(There is only one library

(1) on the CENTOS7 system, yum info mariadb can find the official website providing the MARIADB package, download the latest MARIADB package to the official website, and then RZ to the Linux system (2) Prepare the user// - R Create System user,-D

Tip: When configuring the PPTPD service on the server side, in the/etc/pptpd.conf configuration file:Local IP and remote IP is not configured in the same network segment, configured as any intranet segment can be.Under Windows Connection PPTP

1th installation of CentOS 7.41.1 Installation method selection and the corresponding preparation work:1) Download Cent OS 7.4 disc image fileto the official mirror site download:http://isoredirect.centos.org/centos/7/isos/x86_64/CentOS-7-x86_64-DVD-

What's a LinuxLinux is a running operating system on the server, similar to our daily use of the PC-side Windows operating system. Although similar, there are still a lot of differences, such as Windows generally run in the graphical interface, and

Beginner Nginx, for simple installation and configuration.One, dependenceOpenssl-fips-2.0.9.tar.gzZlib-1.2.11.tar.gzPcre-8.01.tar.gzNginx-1.8.0.tar.gzShare the installation package I use:/HTTP/...Second, upload the installation package to start the

Tag: Cin Desktop des elf BSP complete ble default any 1, first install x (x Window System), the command isYum groupinstall "X window System" carriage return (note quotes)2CentOS Linux system virtual machine/HDD Installation tutorial 2, because

1. System software SetupCentOS side:See if the VNC software is installed# rpm-q VNC vnc-serverPackage VNC isn't installedvnc-server-4.1.2-14.e15_3.1The above information means that VNC is not installed, and Vnc-server is already installed.Then,

This article will introduce four machines to build RABBITMQ clusters:RabbitmqIP and hostname (per machine installed RABBITMQ 3.5.6, Erlang 18.1) 192.168.87.73 localhost73 192.168.87.74 localhost74 192.168.87.75 localhost75 192.16

Yum Installation Yum – y install memcached Start the service Service memcached Start setting up the boot service #开机自启动 chkconfig memcached on #查看开机自启动状态 chkconfig memcached Status View memcached Status

Wondershaper is developed by foreign people in the Linux kernel based on the TC tool for the whole block network card tool, although there is a long time no update, but the old version of the test can still be used on the Centos6.3.First download

Set IP address under Centos/linux1: Temporary modification:1.1: Modify IP Address# ifconfig Eth0 192.168.100.1001.2: Modify the gateway address# route add default GW 192.168.100.1 dev eth01.3: Modify DNS# echo "NameServer 8.8.8.8"

This is the first lesson on Linux learning. First lesson of the week (May 26)1.1 beginning of study1.2 conventions1.3 Understanding Linux1.4 Installing Virtual Machine 1.5 installation Centos7 resources: keepass.com Record password toolVarious

System:[Email protected] ~]# cat/etc/centos-releaseCentOS Linux release 7.2.1511 (Core)Kernel:[Email protected] ~]# uname-r3.10.0-327.el7.x86_641. See if Python is already installedCENTOS7 is installed by default python2.7.5 because some commands