centos中python更新後yum不可用問題

1.更新Python時作軟連接更改

ln -s /usr/bin/python /usr/bin/python2.6.6
ln -s /usr/local/python2/bin/python2.7.9 /usr/bin/python

2.更改yum腳本的第一行

#!/usr/bin/python2.6.6

3.若已卸載了原python版本，則從光盤中從新加載python

rpm -Uvh --replacepkgs 包名.rpm