標籤:blog http io ar os 使用 sp strong 檔案
以前用ubuntu比較多,但伺服器要求,決定開始學習Centos
1.安裝完Centos後案頭寬度不能自適應
如果使用的是 gnome, 點擊菜單 "System -> Preferences -> Display,調整解析度
2.Centos安裝FireFox,原裝的反應很慢
解壓
# cd /usr/local
# su -c "tar zxvf /home/wandering/firefox-2.0.0.5.tar.gz"
替換
# which firefox
/usr/bin/firefox
# mv /usr/bin/firefox /usr/bin/firefox-1.5.0.9
# ln -s /usr/local/firefox/firefox /usr/bin/firefox
命令列下:firefox
小知識:
.tar.gz 格式解壓為 tar -zxvf xx.tar.gz
.tar.bz2 格式解壓為 tar -jxvf xx.tar.bz2
3.yum更新源
Centos軟體安裝工具yum,系統預設使用的是國外的centos更新源,導致預設更新源安裝或者更新軟體時速度很慢的問題,需要將預設的yum更新源配置為國內的更新源。yum更新源設定檔位於centos目錄 /etc/yum.repos.d/ 下。
國內速度較快的常用更新源如下:
http://mirrors.163.com/centos/ 163-網易
http://mirrors.ta139.com/centos/ 中國移動通訊(山東移動)
http://centos.ustc.edu.cn/centos/ 中國科學技術大學
http://mirror.neu.edu.cn/centos/ 東北大學
編輯yum設定檔:
#vi /etc/yum.repos.d/CentOS-Base.repo
[base]name=CentOS-$releasever - Basemirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=os#baseurl=http://mirror.centos.org/centos/$releasever/os/$basearch/baseurl=http://mirrors.163.com/centos/$releasever/os/$basearch/http://mirrors.ta139.com/centos/$releasever/os/$basearch/http://centos.ustc.edu.cn/centos/$releasever/os/$basearch/http://mirror.neu.edu.cn/centos/$releasever/os/$basearch/gpgcheck=1gpgkey=http://mirror.centos.org/centos/RPM-GPG-KEY-CentOS-6#released updates [updates]name=CentOS-$releasever - Updatesmirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=updates#baseurl=http://mirror.centos.org/centos/$releasever/updates/$basearch/baseurl=http://mirrors.163.com/centos/$releasever/updates/$basearch/http://mirrors.ta139.com/centos/$releasever/updates/$basearch/http://centos.ustc.edu.cn/centos/$releasever/updates/$basearch/http://mirror.neu.edu.cn/centos/$releasever/updates/$basearch/gpgcheck=1gpgkey=http://mirror.centos.org/centos/RPM-GPG-KEY-CentOS-6#additional packages that may be useful[extras]name=CentOS-$releasever - Extrasmirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=extras#baseurl=http://mirror.centos.org/centos/$releasever/extras/$basearch/baseurl=http://mirrors.163.com/centos/$releasever/extras/$basearch/http://mirrors.ta139.com/centos/$releasever/extras/$basearch/http://centos.ustc.edu.cn/centos/$releasever/extras/$basearch/http://mirror.neu.edu.cn/centos/$releasever/extras/$basearch/gpgcheck=1gpgkey=http://mirror.centos.org/centos/RPM-GPG-KEY-CentOS-6#additional packages that extend functionality of existing packages[centosplus]name=CentOS-$releasever - Plusmirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=centosplus#baseurl=http://mirror.centos.org/centos/$releasever/centosplus/$basearch/baseurl=http://mirrors.163.com/centos/$releasever/centosplus/$basearch/http://mirrors.ta139.com/centos/$releasever/centosplus/$basearch/http://centos.ustc.edu.cn/centos/$releasever/centosplus/$basearch/http://mirror.neu.edu.cn/centos/$releasever/centosplus/$basearch/gpgcheck=1enabled=0gpgkey=http://mirror.centos.org/centos/RPM-GPG-KEY-CentOS-6#contrib - packages by Centos Users[contrib]name=CentOS-$releasever - Contribmirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=contrib#baseurl=http://mirror.centos.org/centos/$releasever/contrib/$basearch/baseurl=http://mirrors.163.com/centos/$releasever/contrib/$basearch/http://mirrors.ta139.com/centos/$releasever/contrib/$basearch/http://centos.ustc.edu.cn/centos/$releasever/contrib/$basearch/http://mirror.neu.edu.cn/centos/$releasever/contrib/$basearch/gpgcheck=1enabled=0gpgkey=http://mirror.centos.org/centos/RPM-GPG-KEY-CentOS-6
從以上設定檔可以看出,需要根據各家源情況 有選擇的配置 [base] [updates] [addons] [extras] [centosplus] 這幾項。
每一項只要修改baseurl 和gpgkey 為相應源地址即可。
然後使用如下命令更新到最新系統:
#rpm –import /etc/pki/rpm-gpg-key*
#yum upgrade
以上配置結束之後,要清空yum 緩衝,並重建yum緩衝,執行以下命令:
yum clean all && yum clean metadata && yum clean dbcache && yum makecache && yum update
Centos小白學習