centos yum 線上更新套件設定
Centos 5 Liuux 也和windows 一樣有著線上更新程式及系統的功能,其方法如下:
Centos YUM 線上更新套件設定
YUM – Yellowdog Updater Modified
YUM 官方網站：http://linux.duke.edu/projects/yum/
修改設定檔：
cd /etc/yum.repos.d/
cp CentOS-Base.repo CentOS-Base.repo.bak
vi CentOS-Base.repo
:%s/mirror.centos.org/centos/ftp.cse.yzu.edu.tw/pub/CentOS
或
:%s/mirror.centos.org/centos/ftp.cs.pu.edu.tw/Linux/CentOS
將
mirror.centos.org/centos
換成
ftp.cse.yzu.edu.tw/pub/CentOS
或
ftp.cs.pu.edu.tw/Linux/CentOS
[base]
name=CentOS-$releasever – Base
#mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=os
baseurl=http://ftp.cse.yzu.edu.tw/pub/CentOS/$releasever/os/$basearch/
gpgcheck=1
gpgkey=http://ftp.cse.yzu.edu.tw/pub/CentOS/RPM-GPG-KEY-CentOS-5
#released updates
[update]
name=CentOS-$releasever – Updates
#mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=updates
baseurl=http://ftp.cse.yzu.edu.tw/pub/CentOS/$releasever/updates/$basearch/
gpgcheck=1
gpgkey=http://ftp.cse.yzu.edu.tw/pub/CentOS/RPM-GPG-KEY-CentOS-5
#packages used/produced in the build but not released
[addons]
name=CentOS-$releasever – Addons
#mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=addons
baseurl=http://ftp.cse.yzu.edu.tw/pub/CentOS/$releasever/addons/$basearch/
gpgcheck=1
gpgkey=http://ftp.cse.yzu.edu.tw/pub/CentOS/RPM-GPG-KEY-CentOS-5
#additional packages that may be useful
[extras]
name=CentOS-$releasever – Extras
#mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=extras
baseurl=http://ftp.cse.yzu.edu.tw/pub/CentOS/$releasever/extras/$basearch/
gpgcheck=1
gpgkey=http://ftp.cse.yzu.edu.tw/pub/CentOS/RPM-GPG-KEY-CentOS-5
更新：yum -y update
安裝 vim-enhanced 加強 vi 的功能：
yum -y install vim-enhanced
mv /bin/vi /bin/vi.bak
ln -s /usr/bin/vim /bin/vi
echo “set nu” >> /etc/vimrc
#在檔案最後面新增 set nu，顯示行數
重新開機：reboot
直接下載CentOS-Base.repo [ 按這裡 ]
補充:
yum 指令介紹
更新：yum update
安裝：yum install xxx
移除：yum remove xxx
清除已經安裝過的檔案（/var/cache/yum/）：yum clean all
搜尋：yum search xxx
列出所有檔案：yum list
查詢檔案訊息：yum info xxx
群組安裝功能：
yum grouplist
yum groupinstall “Web Server"