五週第二次課（11月14日）
7.6 yum更換國內源

yum install -y epel-release #安裝擴充套件源epel

預設yum源地址，國內有163和搜狐速度比較快

[root@wwlinux701 yum.repos.d]# cat CentOS-Base.repo
[base]
name=CentOS-$releasever - Base
mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=os&infra=$infra
#baseurl=http://mirror.centos.org/centos/$releasever/os/$basearch/
 

gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7

#released updates 
[updates]
name=CentOS-$releasever - Updates
mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=updates&infra=$infra
#baseurl=http://mirror.centos.org/centos/$releasever/updates/$basearch/
gpgcheck=1
 

gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7

#additional packages that may be useful
[extras]
name=CentOS-$releasever - Extras
mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=extras&infra=$infra
#baseurl=http://mirror.centos.org/centos/$releasever/extras/$basearch/
 

gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7

#additional packages that extend functionality of existing packages
[centosplus]
name=CentOS-$releasever - Plus
mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=centosplus&infra=$infra
#baseurl=http://mirror.centos.org/centos/$releasever/centosplus/$basearch/
gpgcheck=1
enabled=0
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7

[root@wwlinux701 yum.repos.d]# 

7.7 yum下載rpm包

•yum install -y 包名 –downloadonly
• ls /var/cache/yum/x86_64/7/
• yum install -y 包名 –downloadonly –downloaddir=路徑
• yum reinstall -y 包名 –downloadonly –downloaddir=路徑 #已經下過會重新安裝
yum 下載rom包：
yum install libaio-devel –downloadonly –downloaddir=/tmp/
yum reinstall 包名 –downloadonly –downloadddir=/tmp/ #已經安裝過的

7.8/7.9 原始碼包安裝
原始碼包放在：cd /usr/local/src/
•wget http://mirrors.cnnic.cn/apache/httpd/httpd-2.2.34.tar.gz
• tar zxvf httpd-2.2.32.tar.gz
• cd httpd-2.2.32
• ./configure –prefix=/usr/local/apache2
echo $? #上一條命令非0即有問題

• make
• make install

• 解除安裝就是刪除安裝的檔案