Linux設置代理
Linux系統設置yum,wget,rpm命令使用代理：
1.Using yum with a proxyserver
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To enable yum operations to use aproxy server you should first add the following parameter to /etc/yum.conf
proxy=http://yourproxy:8080/
where yourproxy is the name of the proxy server you want to access and 8080 isthe proxy port. If the server requires authentication you can specify the logincredentials like:
proxy=http://username:password@yourproxy:8080/
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2. The rpm package manager makesuse of the proxy environment variable. This can be set system wide in /etc/profile or user specific in ~/.bash_profile:
export http_proxy=http://yourproxy:8080/
export ftp_proxy=http://yourproxy:8080/
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3. To use wget throug a proxy serveradd the following lines to /etc/wgetrc
http_proxy = http://yourproxy:8080/
ftp_proxy = http://yourproxy:8080/
