Online expansion of the CentOS hard drive based on system Center 2012–VMM (virtral Machine Manager).

Plan to use Zabbix monitoring to manage the basic hardware information for a whole unit of PC, because the start of the planned hard drive is relatively small, worrying about insufficient disk when monitoring. In some of the first consider the

Build Vxlan environment with CentOS Linux Bridge

One Basic EnvironmentUse VMware virtual two Linux machines. The CentOS 7,linux kernel is as follows:4.5.3-1.el7.elrepo.x86_64If the kernel version is too low, Vxlan is not supported. Kernel upgrades can be done with commandsRPM--import

Configuring CentOS 7 static IP in VMware

The virtual machine is configured as a static IP to ensure that the virtual machine's IP remains intact each time the host machine restarts, which is useful for learning about software in a clustered environment, such as a Hadoop cluster, a DB

Linux (CentOS) builds SVN server

The installation steps are as follows:1. Yum Install Subversion2. Enter RPM-QL subversion to view the installation location, such as: we know that SVN generated several binaries in the bin directory.  Enter SVN--help to see how SVN is used, such as.

How to install the CentOS 7 graphical interface (Gnome GUI) locally from CD


In this example, the Gnome GUI is installed directly from the CD or ISO image file by modifying the repo file in CentOS 7 to avoid time-consuming downloading from the official website or image.1. First make sure that the CD or ISO image file is

CentOS configuration LNMP Environment detailed and related issues

Install the system, configure the environment first step: Enter the system用工具putty进入centos系统,输入账号密码。Step two: Remote terminal port-S lnmpIf you are prompted Screen:command not found, you need to install screeninstall screenStep three: Install the

Update gcc version to GCC 6.1.0 under CentOS

recently, the GCC version of Linux has been updated to GCC 6.1.0 version, I checked the GCC version on my machine ....-------------gcc 4.4.7 I go, this is too low, and we know that GCC 4.4.7 is not support c++11, my temper is more irritable,

No login interface for Centos 7 graphical interface

2016/5/8Not a nice day, but goYesterday, somehow the CentOS login interface has been ruined.Really suffered, help brother, solved. (Don't ask me how to fix it, I don't know).Having such a big problem, I finally know something about Linux.First of

Add normal users to the sudo group under CentOS and password-free login

1.1 sudo sudo is a Linux system in which non-root users elevate their privileges to perform certain feature commands, which allows ordinary users to temporarily gain root privileges without knowing the Superuser's password.In general, ordinary users

Build your KVM environment under CentOS 6.5

first, operating system configuration1. Log in with root privileges2. Modify kernel mode to boot to a compatible kernelVim/boot/grub/grub.confMain changes Default=13. Turn off SELinuxTwo ways: 1. Use the Setenforce 0 command: Immediately, after a

CentOS 7 system detailed boot process and shutdown process

Name Bootup-The system startup process describes several different components to be involved in the system startup process. After pressing the power-on button, first bios/uefi to do the most basic hardware self-test and initialization, and then

Centos 7 Learning static IP settings

Original link: study is mainly for Centos 7.0.1406 version to learn to organize!If you use VirtualBox to configure CentOS then please refer to my article CentOS 7 learning static IP

CentOS Installation Configuration Haproxy+nginx environment

Install Nginx (as HTTP server) and Haproxy (reverse proxy) in the test environment, and configure Haproxy log output to/var/log/haproxy.log, take note.It should be explained that this is only a basic installation, configuration method, and does not

CentOS does not start normally, reported chown:invalid User: ' Root:root '

Phenomenon:The system does not start properly, the location of the boot interface cardNote Error message: Chown:invalid User: ' Root:root 'Cause:/etc/passwd file is corrupted or emptiedTry: 1, Grub menu item Press E to enter the kernel edit mode,

Rhel7/centos 7 Change the NIC name to Eth0

====== problem =====Rhel's network card is enoxxxxxxxxx===== cause ======From Centos/rhel7, the predictable naming convention becomes the default. This rule, interface names are automatically determined based on firmware, topology, and location

CentOS installation image

Talk less, install the image file today. Version is centos6.31. First, we have created an empty virtual machine, at this time, open the virtual machine, select the image file, click OK to download2. Click the green triangle arrow and you will see

CentOS 6.7 ssh Password free

SSH password-free login to use public and private keys. You can use Ssh-keygen to generate a public/private key pair under Linux.1. Generate a public/private key pair under a machine$ssh-keygen-t rsa-p "'-P for the password,-p ' means the empty

Centos 6.3 Installation XFS file system

XFS, take care of 12T space initialization.1, modify the Yum configuration file, find Centosplus enabled=0 change to 1#vim/etc/yum.repos.d/centos-base.repo[Centosplus]Enabled=12. Add the user groups required by XFS#useradd Mockbuild3. Install XFS

CentOS 6.5 Installation jdk1.7

The installed CentOS will bring openjdk, with the command java-version, will have the following information:Java Version "1.6.0"OpenJDK Runtime Environment (build 1.6.0-b09)OpenJDK 64-bit Server VM (build 1.6.0-b09, Mixed mode)It is best to

ZABBIXCPU Temperature Monitoring-centos

ZABBIXCPU Temperature Monitoring1, lm_sensors Installation#yum Install Lm_sensors...#sensors-detectAll options are selected YesRestarting the server2, lm_sensors output result adjustmentCommand sensors can display the component temperature

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