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Big-O Complexity Chart

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docker network 命令

原文地址 docker network

##Examples

• alias

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#/bin/bash
sudo install -o root -g root -m 0600 /dev/null /swapfile
dd if=/dev/zero of=/swapfile bs=1k count=2048k
mkswap /swapfile
swapon /swapfile
echo "/swapfile       swap    swap    auto      0       0" | sudo tee -a /etc/fstab
sudo sysctl -w vm.swappiness=10
echo vm.swappiness = 10 | sudo tee -a /etc/sysctl.conf

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nohup socat TCP4-LISTEN:30000,reuseaddr,fork TCP4:1.1.1.1:30000 >> socat.log 2>&1 &

nohup socat -T 600 UDP4-LISTEN:10000,reuseaddr,fork UDP4:1.1.1.1:10000 >> socat.log 2>&1 &

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curl -sSL http://update.aegis.aliyun.com/download/quartz_uninstall.sh | bash

rm -rf /usr/local/aegis

rm /usr/sbin/aliyun-service

rm -rf /lib/systemd/system/aliyun.service

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-A PREROUTING -p tcp -m tcp --dport 60000 -j DNAT --to-destination 1.1.1.1:50000
-A PREROUTING -p udp -m udp --dport 60000 -j DNAT --to-destination 1.1.1.1:50000
-A POSTROUTING -d 1.1.1.1/32 -p tcp -m tcp --dport 50000 -j SNAT --to-source [local IP]
-A POSTROUTING -d 1.1.1.1/32 -p udp -m udp --dport 50000 -j SNAT --to-source [local IP]

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curl -sS https://getcomposer.org/installer | php 
mv composer.phar /usr/local/bin/composer

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wget https://raw.githubusercontent.com/imMMX/sh/master/newvm.sh && chmod +x newvm.sh && ./newvm.sh

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curl -s  https://raw.githubusercontent.com/sivel/speedtest-cli/master/speedtest.py | python -

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特殊的shell变量:

$0  获取当前执行的shell脚本的文件名

$n  获取当前执行的shell脚本的第n个参数值，n=1..9

$*  获取当前shell的所有参数 “$1 $2 $3 …注意与$#的区别

$#  获取当前shell命令行中参数的总个数