CentOS

When centos runs ifconfig and other commands, the command not found prompt is displayed.Cause: Some paths such as/bin/sbin are not added to environment variables.Try again:CD/etc/sbin ./IfconfgThe result is displayed correctly.Edit/etc/profile and

A. Check whether sudo is installed. # Rpm-Qa | grep sudo B. Modify the/etc/sudoers file and add a sudo user. # Define do-F/etc/sudoers C. After root all = (all) All, add Tom all = (all) All Defaults: tomtimestamp_timeout =-1, runaspw //

1. log on to centos with the root account 2. view the JDK INSTALLED IN THE SYSTEM [Root @ localhost ~] # Rpm-Qa | grep JDK Jdk-1.6.0_38-fcs3, uninstall JDK [root @ localhost ~] # Rpm-e -- nodeps jdk-1.6.0_22-fcs Parameter Selection: -E, --

When the local system is centos6.4, the following error occurs: server configuration error./Usr/libexec/gconf-sanity-check-2 exit status 256 "The default configuration of gnome power manager is not correctly installed..." Solution: Use the super

SVN, short for subversion, is a commonly used version control system. I will not talk about the advantages of SVN here. I. Here I will briefly introduce how to deploy the SVN version control management system on sentos. 01. Download the Subversion

Centos itself does not support NTFS format, in order to enable centos to support Windows NTFS. Use a ntfs-3g to make it support NTFS mounting. The procedure is as follows: 1. Install ntfs-3g 1. Download the stable version ntfs-3g from

Scrot is a tool used in the command line. It supports full screen, window, selection, multiple devices, thumbnails, latency, and even specifies a program to open the captured image. Installation Method on centos:#yum install giblib giblib-devel#wget

I. Update and install 1. List all software updatesCommand: Yum check-Update 2. Install all Update SoftwareCommand: Yum update 3. Only install the specified SoftwareCommand: Yum install 4. Update only the specified SoftwareCommand: Yum update 5.

I use the free certificate provided by startssl here, startssl certificate application can refer to the following link: http://www.setsea.net/wordpress/post/2011/04/21/881.htmlAfter the application is completed, you will have three files: SSL. CRT

Environment Description: Physical Machine: win7 flagship edition 64bit VMWare Version: vmwareworkstation 8 Virtual Machine System Version: centos5.5 Network Connection Mode: Host-only   Test Description: Ping the IP address 192.168.64.20 of the

Xen source code installation has encountered some problems, and now there is no time to solve them one by one. I will try again later. Empty write log first Use Yum to install the package group of virtualization. The virtualization package group

  The main body of the article is from the network http://www.cnblogs.com/silverwings/. the installation process of the article is slightly modified.   The latest GCC version is 4.5.0. I have manually installed centos (version 4.8) and encountered

Note: centos cannot enter the logon interface. It stays on the blue interface with a mouse or arrow. This is also true for restarting. The system is centos5.4 and is used as a server. Because the service needs to be set to start and run the

1. XXX is not in the sudoers file Edit/etc/group and add XXX to the wheel group. For example, "Wheel: *: 0: Root, XXX"Run export do and set % wheel all = (all) nopasswd: All Ii. Install the video card driver: The procedure is as follows:1. Check

Nagios is an open-source free network monitoring tool that can effectively monitor the status of windows, Linux and UNIX hosts, network settings such as vswitches and routers, and printers. When the system or service status is abnormal, an email or

Recently, I want to learn how to install oracle in Linux. However, the virtual machine and the physical machine cannot communicate with each other. It is depressing that you can find this article. My environment is: Host OS: Windows XP SP3 Guest OS:

Set automatic dial-up for ADSL in centos Functions: Automatic dial-up upon startup, automatic reconnection upon disconnectionI. Prerequisites for Installation1. Ensure that the NIC is installed and working properlyUse commands# Ifconfig eth0View Nic

After a day, I finally installed a hadoop-0.21.0 on centos. I would like to record it for later use. Operating System: centos 5.5 Hadoop: hadoop-0.21.0JDK: 1.6.0 _ 17Namenode Host Name: Master, namenode IP: 192.168.90.91Datanode Host Name: slave,

Modify the configuration file of Apache in Linux and edit/etc/httpd. conf. The # sign is a comment. It is a sample or description for you and will not be actually executed. Generally, the default value is listen 80, indicating listening for all

View the centos kernel version: 1) [root @ localhost ~] # Cat/proc/version Linux version 2.6.18-194. EL5 (mockbuild@builder10.centos.org) (gccversion 4.1.2 20080704 (Red Hat 4.1.2-48) #1 SMP Fri APR 58:14 EDT 2010 2) [Root @ localhost ~] #