修改一个debian linux的网络地址
注意以下步骤:
修改主机的IP
配置文件为:
vi /etc/network/interfaces # This file describes the network interfaces available on your system # and how to activate them. For more information, see interfaces(5). # The loopback network interface auto lo iface lo inet loopback # The primary network interface allow-hotplug eth0 iface eth0 inet static address 192.168.6.100 netmask 255.255.255.0 network 192.168.6.0 broadcast 192.168.6.255 gateway 192.168.6.1 # dns-* options are implemented by the resolvconf package, if installed dns-nameservers 202.96.128.86
修改DNS和(RedHat)CentOS是一样的
vi /etc/resolv.conf nameserver 202.96.128.86
无法连接ssh
测试有无ssh
ps -e | grep ssh
如无安装,安装openssh
apt install openssh-server
安装ufw
apt install ufw
开放22端口
ufw enable ufw allow 22
Debian设置允许root用户以ssh方式登录
debian默认不允许以root用户登录,必须以其他用户登录,然后su命令切换到root用户才可以操作
1.修改/etc/ssh/sshd_config文件
#将以下配置改为:PermitRootLogin yes #PermitRootLogin prohibit-password
然后重启ssh服务,即可
service sshd restart
2.顺便写一下允许root用户登录系统
2.1修改/etc/gdm3/daemon.conf文件,新增
[security] AllowRoot = true
2.2修改/etc/pam.d/gdm-password,注释掉以下内容:
#auth required pam_succeed_if.so user != root quiet_success
重启系统即可
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