**ls /sys/class/net** 看一下设备目录里是否有新增的网卡: root@debian:/# ls /sys/class/net ens3 lo **vi /etc/network/interfaces**

Debian 网卡配置 interfaces

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#"2,1"表示同时支持SSH-1和SSH-2协议。# HostKey /etc/ssh/ssh_host_rsa_key HostKey /etc/ssh/ssh_host_dsa_key HostKey /etc/ssh/ssh_host_ecdsa_key HostKey /etc/ssh/ssh_host_ed25519_key #HostKey是主机私钥文件的存放位置;

SSH SSHD_CONFIG 中文注释

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Error while running plugin 'nfsight': DBD::mysql::st execute failed: Incorrect integer value: 通过 国内的 CPAN 镜像，安装安装配置DBI,perl连接mysql

国内CPAN DBD::mysql::st nfsight DBD-mysql DBI

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sudo apt-get install ufw 安装 sudo ufw enable 开启 sudo ufw disable 关闭 sudo ufw default deny 默认禁止 sudo ufw status 状态 sudo ufw allow 80 允许外部访问80端口 sudo ufw delete allow 80 禁止外部访问80 端口

Ubuntu ufw 防火墙 ufw命令

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缺少安装开发工具包，sudo apt-get install libmysqld-dev sudo apt-get install libmysqlclient-dev

MySQL mysql_config

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