CentOS

Because of the need to build a Hadoop platform, but there is no ready-to-use Linux server, had to download the CentOS 6.5 from scratch, the installation process encountered a lot of problems, such as network configuration, clock synchronization,

Problem Description: CentOS 6.x Minimal (minimized) installation , centos yum install net-tools when "Could notretrieve Mirrorlist " appears, Reason: The network is having problems A. Modifying the network configuration VI

System Information:2.6. el6.i686 #16: £ º i686 i686 i386 Gnu/linuxBecause watching is linuxcast video, it will intercept some of the pictures on the video to help understandStart Step:1. Install bindYum install-y bind Bind-chroot bind-utilsZone

First thing I had to say, I did the experiment first.Compress a directory HTMLRAR compression result 5.18MZip compression result 5.06M7z compression Result 870KFirst, source code compilation installationOfficial website:http://www.7-zip.org/download.

1. What is VirtualizationVirtualize a computer into multiple logical computers with virtualization technology. Each logical computer can have a different operating system that is independent of each other and does not interfere with each other.2.

Since the Yum online update for Rhel is chargeable, it cannot be used if not registered, that is, the software cannot be installed online. In this case, if the machine we are using is a rhel system, it will be cumbersome to mount the local CD-ROM

In the article "Xen Virtual machine disk image template making (iii)-centos 7", we have successfully produced the CentOS7 disk image. Below we explain how to build the target virtual machine through it, and test whether there is a problem with the

1. Mount the CentOS installation CDMkdir/mnt/cdromMount-t Iso9660/dev/cdrom/mnt/cdrom2. Modify the Yum configuration filecd/etc/yum.repos.d/You will see three files, the first Centos-base.repo is the configuration file for the Yum network source,

1, software a) Download Nexus address: HTTP://WWW.SONATYPE.ORG/DOWNLOADS/NEXUS-2.1.2-BUNDLE.TAR.GZB) If no special instructions, this document operation user is NEXUSC) Nexus Default admin username password is: admin/admin1232, install a) Extract 1 $

After the CentOS networking, run yum to installDefault is SQUID3Yum Install SquidAfter the installation is complete, the default squid does not start, but the service already exists in the service and we can start or stop it by commandSerivce Squid

In front: because the server should have a uniform host name, but you forgot to set it during installation, You need to modify the host name.You need to modify either of them:/etc/sysconfig/network and/etc/hosts. modifying only one of them will

Nic configurations are divided into two types: Dynamic: the memory is reserved for the moment. Ifconfig eth0 192.168.0.x/24 Static -- exists after startup. CD/etc/sysconfig/network-scripts/Cat ifcfg-eth0 (display text)Vim ESC +. (quick, use

Today, centos 200 is installed on a Dell vostro 6.3 machine. At first, the centos 6.3 image is burned into a USB flash drive using ultroiso, and Windows is installed using the usual method.Take the USB flash drive to the Dell machine and press F12

Yesterday, I reported to my boss that our Linux server was automatically updated every day. The boss was furious and said that the production system could not be like this and it was very insecure. A senior brother also said that when he was moving,

  1. epel Source Centos 6.x 32-bit (x86/i386): Rpm-uvh http://download.fedoraproject.org/pub/epel/6/i386/epel-release-6-8.noarch.rpm Centos 6.x 64-bit (x64): Rpm-uvh http://download.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm

1. Install the basic environment package Yum-y install GCC gcc-C ++ OpenSSL *Yum-y install libjpeg-devel libpng-devel FreeType-develYum-y install libxml2 libxml2-devel zlib-devel ncurses-devvel curl-develYum-y install GD GD2 Gd-devel gd2-devel Ii.

This article is first published in the dark world. I have been planning to learn about the configuration of the DHCP server. I have finally made time to learn this knowledge point over the past few days. DHCP: The Dynamic Host Configuration Protocol

(1) Network Problems 1. view a Port: Netstat-LNP | grep 80 2. view the occupied Port: Netstat-LNP or netstat-tnlup   (2) software-related 1. How many software packages are installed: Rpm-Qa | WC-l Yum List Installed | WC-l 2. What are

Expand the centos hard disk size in VirtualBox, virtualboxcentos1. Clone an objectI created centos 6.3 During the previous installation, but I didn't have enough space to reinstall centos. I thought about using the resize command because I had to