Centos7安装shadowsocks-libev

虽然现在有V2Ray、Trojan这种隐蔽性更强的网络工具，但是Shadowsocks-libev作为一个轻量化的工具还是很适合性能不强的设备使用（最近比较容易被封）。

1、安装shadowsocks

安装dnf

DNF (short for “DaNdiFied Yum”) is the next upcoming major version of Yum, a package manager for RPM-based Linux distributions, such as RHEL, CentOS, and Fedora. DNF is first introduced in Fedora 18, and it has became the default package manager from Fedora 25 version.

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$ yum install epel-release
$ yum install dnf

启用repo

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$ dnf install dnf-plugins-core
$ dnf copr enable librehat/shadowsocks

也可以从Fedora Copr下载repo，并放到/etc/yum.repos.d/。

安装shadowsocks-libev

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$ dnf update
$ dnf install shadowsocks-libev

2、编辑配置文件

/etc/shadowsocks-libev/config.json

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{
     "server":"0.0.0.0",
     "server_port":8388,
     "local_port":1080,
     "password":"password",
     "timeout":600,
     "method":"aes-256-cfb",
     "mode":"tcp_and_udp",
     "fast_open": false
 }

shadowsocks-libev不支持多端口号

3、启动服务

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$ systemctl enable shadowsocks-libev    #设置开机启动
$ systemctl start shadowsocks-libev
$ systemctl status shadowsocks-libev    #查看服务状态

4、开放防火墙端口

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$ firewall-cmd --zone=public --add-port=8388/tcp --permanent
$ firewall-cmd --zone=public --add-port=8388/udp --permanent

使防火墙规则生效

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$ systemctl restart firewalld

5、如何排查错误

查看shadowsocks-libev是否正确启动并监听相应端口

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$ netstat -lnp | grep ss-server
$ netstat -autn

查看shadowsocks-libev日志

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$ journalctl -u shadowsocks-libev

可以使用增加-f命令显示更新日志

查看通过ss-server启用了那些服务

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$ ps ax | grep ss-server

6、前台运行服务

可以使用ss-server前台运行服务

例如：

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$ ss-server -s 0.0.0.0 -p 8383 -k password -u -m aes-256-gcm

参考

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