下面脚本可以自动识别Centos是5、6还是7版本,添加不同版本的源
#!/bin/bash ARCH=`/usr/bin/getconf LONG_BIT` REPOD="/etc/yum.repos.d" OSVER=`/bin/awk -F "[ .]" '{print $3}' /etc/redhat-release` OSVER7=`/bin/awk -F "[ .]" '{print $4}' /etc/redhat-release` if [ "$(ls -A $REPOD)" ] ; then [ -d ${REPOD}/repos.old ] || /bin/mkdir ${REPOD}/repos.old /bin/mv ${REPOD}/*.repo ${REPOD}/repos.old/ -f fi if [ ${ARCH}x == 64x -a ${OSVER}x == 5x ] ; then /bin/cat >>${REPOD}/CentOS-Base.repo <<EOF [base] name=CentOS-\$releasever - Base baseurl=http://xx.xx.xx.xx/5/os/x86_64 gpgcheck=0 [updates] name=CentOS-\$releasever - Updates baseurl=http://xx.xx.xx.xx/5/updates/x86_64 gpgcheck=0 [extras] name=CentOS-\$releasever - Extras baseurl=http://xx.xx.xx.xx/5/extras/x86_64 gpgcheck=0 EOF elif [ ${ARCH}x == 64x -a ${OSVER}x == 6x ] ; then /bin/cat >>${REPOD}/CentOS-Base.repo <<EOF [base] name=CentOS-\$releasever - Base baseurl=http://xx.xx.xx.xx/6/os/x86_64 gpgcheck=0 [updates] name=CentOS-\$releasever - Updates baseurl=http://xx.xx.xx.xx/6/updates/x86_64 gpgcheck=0 [extras] name=CentOS-\$releasever - Extras baseurl=http://xx.xx.xx.xx/6/extras/x86_64 gpgcheck=0 EOF elif [ ${ARCH}x == 64x -a ${OSVER7}x == 7x ] ; then /bin/cat >>${REPOD}/CentOS-Base.repo <<EOF [base] name=CentOS-\$releasever - Base baseurl=http://xx.xx.xx.xx/7/os/x86_64 gpgcheck=0 [updates] name=CentOS-\$releasever - Updates baseurl=http://xx.xx.xx.xx/7/updates/x86_64 gpgcheck=0 [extras] name=CentOS-\$releasever - Extras baseurl=http://xx.xx.xx.xx/7/extras/x86_64 gpgcheck=0 EOF else echo "only support CentOS[5/6/7].x86_64" exit 1 fi

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