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net-tools

Posted by 夏泽民 Mar 26, 2022

ifconfig

$ apt-get install net-tools

ip

$ apt-get install iproute2

ping

$ apt-get install iputils-ping

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completion bash自动补全

Posted by 夏泽民 Mar 26, 2022

要让可编程命令补全功能在你的终端起作用 ，你只需要如下执行/etc/bash_completion即可：

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Stopword

Posted by 夏泽民 Mar 26, 2022

https://www.ranks.nl/stopwords When not customized, the filter removes the following English stop words by default:

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OpenVPN

Posted by 夏泽民 Mar 26, 2022

https://www.5axxw.com/wiki/content/m9gjfd https://cloud.tencent.com/developer/ask/sof/918750 https://ask.csdn.net/questions/1014888 https://github.com/Luzifer/vault-openvpn https://github.com/pritunl/pritunl-client-electron https://github.com/cad/ovpm https://github.com/kumina/openvpn_exporter https://github.com/flant/ovpn-admin https://github.com/stamp/go-openvpn https://github.com/mysteriumnetwork/go-openvpn

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route 路由表

Posted by 夏泽民 Mar 24, 2022

通过 route 命令查看 Linux 内核的路由表： [root@VM_139_74_centos ~]# route Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface default gateway 0.0.0.0 UG 0 0 0 eth0 10.0.0.10 10.139.128.1 255.255.255.255 UGH 0 0 0 eth0 10.139.128.0 0.0.0.0 255.255.224.0 U 0 0 0 eth0 link-local 0.0.0.0 255.255.0.0 U 1002 0 0 eth0 172.17.0.0 0.0.0.0 255.255.0.0 U 0 0 0 docker0 172.18.0.0 0.0.0.0 255.255.0.0 U 0 0 0 br-0ab63c131848 172.19.0.0 0.0.0.0 255.255.0.0 U 0 0 0 br-bccbfb788da0 172.20.0.0 0.0.0.0 255.255.0.0 U 0 0 0 br-7485db25f958 [root@VM_139_74_centos ~]# route -n Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface 0.0.0.0 10.139.128.1 0.0.0.0 UG 0 0 0 eth0 10.0.0.10 10.139.128.1 255.255.255.255 UGH 0 0 0 eth0 10.139.128.0 0.0.0.0 255.255.224.0 U 0 0 0 eth0 169.254.0.0 0.0.0.0 255.255.0.0 U 1002 0 0 eth0 172.17.0.0 0.0.0.0 255.255.0.0 U 0 0 0 docker0 172.18.0.0 0.0.0.0 255.255.0.0 U 0 0 0 br-0ab63c131848 172.19.0.0 0.0.0.0 255.255.0.0 U 0 0 0 br-bccbfb788da0 172.20.0.0 0.0.0.0 255.255.0.0 U 0 0 0 br-7485db25f958 列 含义 Destination 目标网络或目标主机。Destination 为 default（0.0.0.0）时，表示这个是默认网关，所有数据都发到这个网关（这里是 10.139.128.1） Gateway 网关地址，0.0.0.0 表示当前记录对应的 Destination 跟本机在同一个网段，通信时不需要经过网关 Genmask Destination 字段的网络掩码，Destination 是主机时需要设置为 255.255.255.255，是默认路由时会设置为 0.0.0.0 Flags 标记，含义参考表格后面的解释 Metric 路由距离，到达指定网络所需的中转数，是大型局域网和广域网设置所必需的 （不在Linux内核中使用。） Ref 路由项引用次数 （不在Linux内核中使用。） Use 此路由项被路由软件查找的次数 Iface 网卡名字，例如 eth0

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