1、使用yum报错:
[root@localhost ~]# yum
显示以下错误
File "/usr/bin/yum", line 30
except KeyboardInterrupt, e:
^
SyntaxError: invalid syntax
2、vim /usr/bin/yum
打开yum文档,输入以下命令打开
vim /usr/bin/yum
修改python头部python为python2.7 视原系统情况而设
#!/usr/bin/python2.7.5
import sys
try:
import yum
except ImportError:
print >> sys.stderr, """\
There was a problem importing one of the Python modules
required to run yum. The error leading to this problem was:
修改之后输入:wq
退出并保存:
:q ##退出,在文件内容没有被改变时使用
:q! ##强制退出不保存,在改变文件后不想保存时使用
:wq ##退出保存
:wq! ##强制退出保存,在对只读文件编写时使用,注意,所编辑的只读文件必须是当前用户的文件;或者当前操作的用户是root
3、再次查看yum是否可用
[root@localhost ~]# yum
Loaded plugins: fastestmirror, langpacks
You need to give some command
Usage: yum [options] COMMAND
List of Commands:
check Check for problems in the rpmdb
check-update Check for available package updates
clean Remove cached data
deplist List a package‘s dependencies