How to reset the root password of centos

1. When starting the system, you can see the boot directory, use the up and down arrow keys to select the system you forgot your password, and then press "E ". 2. Next you can see the figure shown in. Then you can use the up/down key to select the

Centos zabbix Sendmail is ready!

I have been sending emails to zabbix recently. I have not answered many questions from the Internet! Why? Step 1 configure media type Second, administrations-> Users-> Media Step 3 Configure email in action In the above three

Create an openstack centos-6.2 image on a centos-6.2

Currently, many openstack images are created based on Ubuntu.ArticleBut many of my friends, like me, install openstack Based on centos 6.2 and create their own image files. There are almost no articles in this regard, so I have made my own centos6.2

Centos 5 released

The following is an overview of centos from lupaworld. Http://wiki.lupaworld.com/index.php/Centos What is centos? Centos is one of the many Linux release kits. The centos developed by CAOs is fully compatible with RHEL after Red Hat charges its

Install memcached on yum in centos

Original post: http://www.clittle.cn/2009/08/centos-yum-memcached.htmlInstall memcached on yum in centos Author: keyboard life | Release Date: Sunday, 08/09/2009-The standard centos5 software Warehouse does not contain the corresponding memcache

Disable IPv6 in centos/RedHat

1. Check whether IPv6 is enabled1.1 Use ifconfig to check whether your IP address contains an IPv6 addressInet ADDR: 192.168.198.128 bcast: 192.168.198.255 mask: 255.255.255.0Inet6 ADDR: fe80: 20c: 29ff: fee4: 1d8/64 scope: LinkUp broadcast running

Centos in virtualbox (NAT mode) for SSH

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:

Centos 5.5 installation hadoop-0.21.0

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,

Pycurl Error 6-"couldn't resolve host 'using list .centos.org '"

Solution 1. Run Echo "nameserver 8.8.8.8">/etc/resolv. conf Set DNS Server You can. The cause is that the above error is caused by no DNS server address configured on the server. -----------------------------------------------------------------------

Build a cloud computing platform ~ Eucalyptus Installation Log centos 5.3

I just want to keep a journal account, not a technical document. 1. First find document http://open.eucalyptus.com/wiki/EucalyptusPrerequisites_v1.5.2 Check what needs to be prepared before installation. 2. Go

Build the samba service and NFS environment of centos

I used fedora before. The more I use it, the more I felt that it was not very good. So I started the idea of changing the development environment. So I chose CentO, Ubuntu, and RedHat. There are a lot of bugs in RedHat when people comment on the

Notes for quick installation of nginx in centos 6.4

The articles on how to install nginx in centos 6.4 are written by ex_net (Zhang jianbo). For more information, see the source. Http://blog.csdn.net/ex_net/article/details/9860689 Author: Zhang jianbo mailbox: 281451020@qq.com Phone: 13577062679

Solution for glibcxx_3.4.9 error reported when programs compiled in centos 6 are running in centos 5 Environment

When the program testgcc compiled in centos 6 runs in centos 5, the following error occurs:./testgcc./Testgcc:/usr/lib64/libstdc ++. so.6: Version 'glibcxx _ 3.4.9 'not found (required by./testgcc). /Testgcc:/usr/lib64/libstdc ++. so.6: Version

Introduction to Yum tools in centos

gpg

YumWhat isYum = yellow dog Updater, modifiedMainFunctionIs more convenient to add/delete/update RPM packages.It automatically solves the dependency problem of the package.It facilitates management of a large number of system update Problems Yum

Centos 6 Yum source settings

If you want to get RHEL's high-quality, high-performance, high-reliability, and easy-to-use (the key is free) Software Package update function, the epel (extra packages for Enterprise Linux) launched by the Fedora Project) this is exactly for you.

Centos Yum source and RPM warehouse in China

Centos Yum source and RPM warehouse in China Yum search fastestmirrorYum install Yum-fastestmirror *-yYum update Yum * Yum update kernel *Yum update CentosUSTC mirror, University of Science and Technology of China (updated every

The following uses centos as an example to describe how to configure Secure SSH access.

More and more webmasters begin to use independent hosts and VPs. In order to save costs or improve performance, many independent machines and vps are all unmanaged bare-metal machines, and everything needs to be DIY. At this time, the implementation

[O & M Notes] centos installation enhancements in virtualbox

If centos is installed in virtualbox and you want to install the enhancement function, the system prompts: Building the main guest additions module failed So I tried the following two steps: (1)Yum install GCC kernel-devel kernel-headers

Install the enhancement feature in the centos Virtual Machine of virtualbox

Recently, we need to test some middleware Products in different environments. Because there is no redundant hardware, we need to consider using virtual machines. When I first started using VMWare, But it occupied a large amount of memory (even when

Install the Broadcom NIC Driver on centos 6.3 64-bit System

Original link http://blog.csdn.net/davil_dev/article/details/6792229? Reload   Operating system installed on centos6 64-bit liveos 1. Confirm hardware information 1.1 first, check that the system contains the appropriate tools, packages, header

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