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			 # 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-$releasever - Base 
			baseurl=https://mirrors.tuna.tsinghua.edu.cn/centos/$releasever/os/$basearch/ 
			#mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=os 
			gpgcheck=1 
			gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-6 
			#released updates 
			[updates] 
			name=CentOS-$releasever - Updates 
			baseurl=https://mirrors.tuna.tsinghua.edu.cn/centos/$releasever/updates/$basearch/ 
			#mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=updates 
			gpgcheck=1 
			gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-6 
			#additional packages that may be useful 
			[extras] 
			name=CentOS-$releasever - Extras 
			baseurl=https://mirrors.tuna.tsinghua.edu.cn/centos/$releasever/extras/$basearch/ 
			#mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=extras 
			gpgcheck=1 
			gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-6 
			#additional packages that extend functionality of existing packages 
			[centosplus] 
			name=CentOS-$releasever - Plus 
			baseurl=https://mirrors.tuna.tsinghua.edu.cn/centos/$releasever/centosplus/$basearch/ 
			#mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=centosplus 
			gpgcheck=1 
			enabled=0 
			gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-6 
			#contrib - packages by Centos Users 
			[contrib] 
			name=CentOS-$releasever - Contrib 
			baseurl=https://mirrors.tuna.tsinghua.edu.cn/centos/$releasever/contrib/$basearch/ 
			#mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=contrib 
			gpgcheck=1 
			enabled=0 
			gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-6 
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