终端设置代理

export http_proxy=socks5://192.168.8.249:10808

#linux终端
export http_proxy="http://192.168.130.130:10811"
export https_proxy="http://192.168.130.130:10811"

#windows终端:
set http_proxy=http://192.168.130.130:10811
set https_proxy=http://192.168.130.130:10811

#设置go代理
go env -w GOPROXY=https://goproxy.cn

#设置node代理
npm config set proxy=http://proxy.tencent.com:8080

 

curl走sock5: curl -x socks5h://192.168.130.132:10810 www.baidu.com
nc走sock5: nc -X 5 -x 192.168.130.132:10810 www.qq.com 443
wget走http代理: wget -Y on -e "http_proxy=http://192.168.130.132:10811" www.qq.com
curl指定本地端口： curl --local-port 10999 www.baidu.com （tcpdump port 10999）
nc测试udp能否通： nc -v -u -z -w 3 223.6.6.6 53
发起ping风暴： ping -f
带时间戳的ping: ping -D 114.114.114.114 | awk '{ if(gsub(/\[|\]/, "", $1)) $1=strftime("[%F %T]", $1); print}'
测试网络MTU： ping -l 1457 -f www.163.com

优先小写 

UPPER/LOWER	curl	wget	Ruby	Python	Go
http_proxy	Yes	Yes	Yes	Yes	Yes
HTTP_PROXY	No	No	Yes (warning)	Yes (if REQUEST_METHOD not in env)	Yes
https_proxy	Yes	Yes	Yes	Yes	Yes
HTTPS_PROXY	Yes	No	Yes	Yes	Yes