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centos7 安装java8

  1. 下载jdk ， tar格式或rpm格式
  2. 安装 rpm -Uvh jdk_your_version_.rpm   # 安装java
  3. 配置环境变量， vim /etc/profile.d/java.sh
export JAVA_HOME=/usr/java/jdk1.8.0_271-amd64/
   export JRE_HOME=/usr/java/jdk1.8.0_271-amd64/jre
   export PATH=$JAVA_HOME/bin:$JRE_HOME/bin:$PATH
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Centos 7 execute yum update ——File “/usr/libexec/urlgrabber-ext-down”, line 75, in

问题：

Traceback (most recent call last):
  File "/usr/libexec/urlgrabber-ext-down", line 75, in <module>
    main()
  File "/usr/libexec/urlgrabber-ext-down", line 61, in main
    fo = PyCurlFileObject(opts.url, opts.filename, opts)
  File "/usr/lib/python2.7/site-packages/urlgrabber/grabber.py", line 1258, in __init__
    self._do_open()
  File "/usr/lib/python2.7/site-packages/urlgrabber/grabber.py", line 1589, in _do_open
    self._do_grab()
  File "/usr/lib/python2.7/site-packages/urlgrabber/grabber.py", line 1723, in _do_grab
    self._do_perform()
  File "/usr/lib/python2.7/site-packages/urlgrabber/grabber.py", line 1517, in _do_perform
    raise KeyboardInterrupt
KeyboardInterrupt

解决方案：

    打开这个文件：/usr/lib/python2.7/site-packages/urlgrabber/grabber.py

找到 elif errcode in (42, 55, 56):   

    用  elif errcode == 42:替换