The centos system sets sudo permissions for normal users.

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 //

Uninstall JDK under centos

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, --

Install mplayer with Yum in centos 5.3 Linux

Step 1: Go to the/etc/yum. Repos. d/directory, create a file mplayer. Repo, and write the following content:[Mplayer]Name = centos-$ releasever-UpdatesBaseurl = list =

Install and configure tortoisehg and kdiff3 on Redhat/centos

I. PrefaceThis article was originally part of the 3rd development toolbox system, but some of our colleagues encountered a lot of software version and dependency problems when installing tortoisehg and kdiff3, resulting in a failure to install them

Apache configuration in centos

Install httpd in the ghost source package. (1) Static default installation. The command is as follows: After the preceding steps, run the following command to check the installed modules: Check whether the module is activated, for example: The

Enable telnet in centos 5.3 Linux

1. The Telnet package is installed by default in centos 5.3.[Root @ zhuliting ~] # Cat/etc/RedHat-releaseCentos release 5.3 (final)[Root @ zhuliting ~] # Rpm-Qa | grep TelnetTelnet-server-0.17-39.el5Telnet-0.17-39.el5If not, run the following

Centos 5.3 source code installation xen-3.2.0

Download the source code at In the first file, xen3.2 tarball is the official source code package and the third file. xen 3.2 is the RPM package for Red Hat Enterprise Linux 5 and centos 5. Download them

Boot and install centos Linux

Some time ago, I installed a system on the cluster and learned how to use a USB flash drive!Many methods for installing Linux on hard disks on the Internet are provided by windows. You can add a boot menu to modify the boot. ini file of windows to

Mount NTFS/FAT32 partitions in centos 5.3 Linux

If the FAT32 partition is mounted, you can directly jump to Step 1 to mount the partition. 1. view the release version[Root @ zhuliting ~] # Cat/etc/RedHat-releaseCentos release 5.3 (final)2. view the kernel version and processor:[Root @ zhuliting ~]

Modify MAC address in centos Linux

    1. First view the NIC information: [Root @ localhost ~] # Ifconfig Eth0 link encap: Ethernet hwaddr 00: 0C: 29: 49: 22: C8 Inet ADDR: bcast: mask: Inet6 ADDR: fe80: 20c: 29ff: fe49: 22c8/64 scope: Link ...  

Install centos Linux 5.3 on a hard disk in Windows

    1. Open the image file CentOS-5.3-i386-bin-DVD.iso (My centos image file is placed on disk D), find the isolinux directory, right-click to select "extract to the specified folder", select disk D, OK. Go to the D:/solinux directory and retain

Install the NVIDIA graphics card driver in centos 5.3

1. My video card model is NVIDIA geforce 6100.The downloaded driver is, placed under the/usr/softwarw directory, the type of the driver and the downloaded directory can be based on your own specific circumstances.

Install, configure, and test ganglia in centos 5.3

Introduction: ganglia monitoring software is mainly used to monitor system performance, such as CPU, mem, hard disk utilization, I/O load, and network traffic, it is easy to see the working status of each node through the curve, which plays an

Install mercurial in centos 5.4

Mercurial is used when xen is installed in source code. Google has been around for a long time, focusing on source code installation, and then two simple methods.1. Download source code [Root @ localhost mercurial-1.4.1] wget

Install xen in yum in centos 5.3


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 NTFS partition is successfully loaded in centos 4.4.

I. preparations: Run the following three commands as root or another user: 1. Enter CAT/etc/RedHat-release on the terminal to view the release version. My version is: Centos release 4.4 (final) 2. Enter uname-R on the terminal to view the kernel

Centos cannot enter the logon page

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

Configure centos tips

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

Input Method in scim-centos

Install scim, an excellent international input method:1. Go to [url] I #/rpms/index.html#/url]. 2. Click the s of jump to letter in the upper-right corner, find scim, and download the latest one: (1) scim

Install NIC Driver in centos 5.2

The Linux kernel is incompatible with the NIC of the current motherboard. The damn Yingtai a780 G is integrated with the damn rtl8168 Nic module .. 1. First determine the reason why the network cannot be accessed: Enter the command miI-tool. If no

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