CentOS 7升级Python到3.6.6后yum出错问题解决总结
最近将一台测试服务器操作系统升级到了Cent0S 7.5,然后顺便也将Python从2.7.5升级到Python 3.6.6,升级完成后,发现yum安装相关包时出现异常,报“File "/usr/libexec/urlgrabber-ext-down", line 28”这样的错误, 具体错误信息如下所示:
# yum install openssl
..........................
Total download size: 1.7 M
Is this ok [y/d/N]: y
Downloading packages:
Delta RPMs disabled because /usr/bin/applydeltarpm not installed.
File "/usr/libexec/urlgrabber-ext-down", line 28
except OSError, e:
^
SyntaxError: invalid syntax
File "/usr/libexec/urlgrabber-ext-down", line 28
except OSError, e:
^
SyntaxError: invalid syntax
测试、验证了一下,可以用下面这种方法解决这个问题:
修改/usr/libexec/urlgrabber-ext-down中的Python版本信息
vi /usr/libexec/urlgrabber-ext-down 将/usr/bin/python改为/usr/bin/python2.7。
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