quick install ShadowsocksR + tcp_bbr
昨天凌晨到今天早上上班前梯子挂了，这里重新搭建一个。
DO 上入了一个$5/M 的 Ubuntu 17.04 x32，下面就是刷脚本的事情。
安装 shadowsocksR，需要注意的事情就是不要选客户端不支持的 obfs，一开始选错了可以在/etc/shadowsocks.json 中修改，保持和客户端兼容。重启在/etc/init.d/shadowsocks restart
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| wget https://raw.githubusercontent.com/teddysun/shadowsocks_install/master/shadowsocksR.sh
chmod a+x shadowsocksR.sh
./shadowsocksR.sh
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上 tcp bbr，脚本重新安装了一个内核。
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| wget --no-check-certificate https://github.com/teddysun/across/raw/master/bbr.sh
chmod +x bbr.sh
./bbr.sh
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记得 /etc/sysctl.conf 配置调整。
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| net.core.default_qdisc = fq
fs.file-max = 51200
net.core.rmem_max = 67108864
net.core.wmem_max = 67108864
net.core.netdev_max_backlog = 250000
net.core.somaxconn = 4096
net.ipv4.tcp_syncookies = 1
net.ipv4.tcp_tw_reuse = 1
net.ipv4.tcp_tw_recycle = 0
net.ipv4.tcp_fin_timeout = 30
net.ipv4.tcp_keepalive_time = 1200
net.ipv4.ip_local_port_range = 10000 65000
net.ipv4.tcp_max_syn_backlog = 8192
net.ipv4.tcp_max_tw_buckets = 5000
net.ipv4.tcp_fastopen = 3
net.ipv4.tcp_mem = 25600 51200 102400
net.ipv4.tcp_rmem = 4096 87380 67108864
net.ipv4.tcp_wmem = 4096 65536 67108864
net.ipv4.tcp_mtu_probing = 1
net.ipv4.tcp_congestion_control = bbr
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MAC 客户端推荐shadowsocksX-NG-R，野外下载的包在需要 mac 开放任意开发者 sudo spctl --master-disable，然后在 GUI 里面配置。