CentOS 7 mariadb Boot issue

After installing MARIADB one day, restarting the machine will not start the mariadb.service.Systemctl start Mariadb.service//Then find the following questionJob for Mariadb.service failed because the control process exited with error code.See

The network card cannot be started after the VMware virtual machine clones the CentOS operating system

First, the simulation environment:VMware virtual MachinesCentOS Source Operating SystemCloning the CentOS operating systemSecond, the problem: After the VM cloning the operating system, the network card does not functionThird, the solution /

Installing the CentOS operating system on VMware virtual machines

The steps to install the CentOS operating system on a VMware virtual machine are as follows:1. Open VMware Workstation 10 and click "Turn on this virtual machine". The process of installing a virtual machinePlease refer to the blog

Disk partitioning and file system creation and mounting under Linux CentOS

disk partitioning and file system creation and mounting under Linux CentOSThe MBR (Master Boot Record) is a traditional partitioning mechanism that is applied to the vast majority of PC devices that use the BIOS.1.MBR supports 32bit and 64bit

"Virtual machines" CentOS installation Windows Tools method

CentosInstall Windows ToolsIdea: When you click Install Windows Tools, you need to connect to the ISO file, copy the VMware tools from ISO to download, unzip the files with administrator privileges, and install them.Steps to resolve:Click "Install

Installation and configuration of the CentOS 6.5 rsync service

I. Introduction of RSYNCrsync (remote synchronize) is a data synchronization tool that allows you to quickly sync files between multiple hosts via Lan/wan, or use rsync to synchronize different directories on your local hard drive. Rsync is a tool

After cloning CentOS, the virtual machine network configuration

Recently, to use Nginx to build a virtual experimental environment of reverse proxy after cloning in the virtual machine, the cloned system does not correctly access the network.The troubleshooting was found because the cloned environment changed

Add new disks to CentOS 7 without rebooting the system

for most system administrators, expanding the disk space of a Linux server is one of the daily tasks, especially for VMware-series virtual machines. Expand the space without restarting the virtual machine: Now run the following

Adjust the screen resolution of the text landing interface under CentOS

Take CentOS Linux as an example, log in to root, locate the/boot/grub/menu.lst file (which is actually a grub.conf link file), open the file with Vim, and after kernel line, add vga=xxx 640*480 800*600 1024x768 1280

Configure the IP address for the virtual machine CentOS

The CentOS virtual machine we installed in minimal is not directly connected to the Internet, and it needs to be configured with an IP address. There are two ways to configure IP, one is to use the DHCP service to dynamically obtain an IP address,

Centos Yum Install SNMP

1. Installing the SNMP Service[[email protected]] Yum install-y net-snmp net-snmp-utils2. Configuring the SNMP ServiceThe first step:(Yum installs SNMPD configuration file for/etc/snmp/snmpd.conf, a very detailed document, first back up a copy of

Self-built local yum repository under CentOS

The installation software of the CentOS system mainly has Yum installs and the source code installs two kinds, the source installation advantage is that you can customize many installation parameters according to your need, but he has one drawback

Basic components of the CentOS installation LNMP environment

gmp

Note: All of the following operations are done under the CentOS 6.5 x86_64 bit system. Before installing the LNMP environment, make sure that you have installed the following types of basic components using Yum (if the system is already in place,

VISUALVM Adding remote management-centos

1. Modify the catalina.sh file in the Tomcat/bin directoryJava_opts= "$JAVA _opts-djava.rmi.server.hostname=${host_ip}-dcom.sun.management.jmxremote.port=9999-dcom.sun.management.jmxremote.ssl=false-dcom.sun.management.jmxremote.authenticate=false

How the CentOS desktop environment opens the terminal and joins the terminal right-click

After installing the CentOS desktop environment, the default on the desktop and the right button is not open terminal options, to open the terminal, can be by the following steps:In the top left menu "Applications"---"System Tools"---"Terminal" open

CentOS under RPM package with Yum installation and uninstallation

RPM Package Installation:1. Install a Package# RPM-IVH2. Upgrade a Package# RPM-UVH3. Remove a Package# RPM-E4. Installation Parameters--force Force installation Even if overwriting files belonging to other packages--nodeps if the RPM package is

Upgrade CentOS kernel-2.6 upgrade to 3.10

* Because of the need to learn Docker, Docker's official recommendation kernel uses more than 3.8, so I decided to upgrade the CentOS kernel to a long-term stable version of 3.10.# #记得切换到root用户执行升级操作. [[email protected] ~]# uname-a # #旧版Linux

CentOS 6.5 x64 Install TOMCAT8 and configure two x TOMCAT8

1. First, the premise of installing Tomcat is that the JDK environment variable has been configured, if not well can refer to my previous blog post: CentOS 6.5 x64 Installation Jdk8, of course, can also search through the network installation steps ~

CentOS 6.5 x64 Installation Jdk8

  1. Go to the official website to download the Linux version of JDK8, I downloaded the following2. Download Xftp and Xshell to manipulate the server, you can search for download installation, after the installation is complete, open Xshell, new

CentOS Perfect build Redis3.0 cluster with test

Unified chat and push projects on the line are using Redis master-slave, Redis version 2.8.6Redis Master-Slave is similar to MySQL master-slave, but the Redis master-slave configuration is simple, mainly specifying the primary node IP and port from

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