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第 三 十 九 天:更 换 yum 源 和 卸 载 图 形 界 面

来源:互联网 作者:佚名 时间:2015-10-24 12:45
小Q:温故而知新,可以为师矣;今天看的不少了,回头看几遍。==========================快速更换国内yum源===========================1.删除/etc/yum.repos.d

小Q:温故而知新,可以为师矣;今天看的不少了,回头看几遍。


==========================快速更换国内yum源===========================

1.删除/etc/yum.repos.d目录所有的repo文件


2.下载CentOS-Base-163.repo, 放入/etc/yum.repos.d/

wget -O /etc/yum.repos.d/CentOS-Base-163.repo 

//说明,如果163的镜像失效,可以尝试更换为搜狐的镜像  


3. rm -rf /var/cache/yum/*      运行yum makecache生成缓存


4.yum search softwarename       查找软件


5.yum list softwarename         列出已装软件


6.yum install softwarename      安装软件


7.yun remove softwarename      卸载软件

--------------------------------------------------------------------------------------

CentOS-Base-163.repo源文件如下:

# CentOS-Base.repo

#

# The mirror system uses the connecting IP address of the client and the

# update status of each mirror to pick mirrors that are updated to and

# geographically close to the client.  You should use this for CentOS updates

# unless you are manually picking other mirrors.

#

# If the mirrorlist= does not work for you, as a fall back you can try the 

# remarked out baseurl= line instead.

#

#


[base]

name=CentOS-$releasever - Base - 163.com

mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=os

baseurl=http://mirrors.163.com/centos/$releasever/os/$basearch/

gpgcheck=1

gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-5


#released updates 

[updates]

name=CentOS-$releasever - Updates - 163.com

mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=updates

baseurl=http://mirrors.163.com/centos/$releasever/updates/$basearch/

gpgcheck=1

gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-5


#packages used/produced in the build but not released

[addons]

name=CentOS-$releasever - Addons - 163.com

mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=addons

baseurl=http://mirrors.163.com/centos/$releasever/addons/$basearch/

gpgcheck=1

gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-5


#additional packages that may be useful

[extras]

name=CentOS-$releasever - Extras - 163.com

mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=extras

baseurl=http://mirrors.163.com/centos/$releasever/extras/$basearch/

gpgcheck=1

gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-5


#additional packages that extend functionality of existing packages

[centosplus]

name=CentOS-$releasever - Plus - 163.com

mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=centosplus

baseurl=http://mirrors.163.com/centos/$releasever/centosplus/$basearch/

gpgcheck=1

enabled=0

gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-5


#contrib - packages by Centos Users

[contrib]

name=CentOS-$releasever - Contrib - 163.com

mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=contrib

baseurl=http://mirrors.163.com/centos/$releasever/contrib/$basearch/

gpgcheck=1

enabled=0

gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-5



====================安装卸载图形界面====================

命令行模式安装图形界面

yum grouplist 检查已安装的组

yum groupinstall "X Window System"

yum groupinstall "GNOME Desktop Environment"

startx

或者init 5

就OK。

如果你的机子设置了中文模式,需要先LANG=en



重新安装了带图形界面模式的centos系统,,来实验yum方式卸载图形界面

图形界面想要卸载:

yum groupremove "GNOME Desktop Environment"

yum groupremove "X Window System"


以图形界面安装的linux 卸载图形界面之后会提示错误

init: Id "x" respawning too fast: disabled for 5 minutes

解决的办法是

vi /etc/inittab

找到这段文字 把这段文字中id后面的数字改为3 id:3:initdefault 让系统以文本界面启动

找到这段文字x:5:respawn:/etc/X11/prefdm -nodaemon注释掉!






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