ubuntu下内网或者外网不通解决方法集合笔记遇到继续补充更新

vi /etc/NetwrokManager/NetworkManager.conf
 cat /etc/network/interfaces
 cat /etc/network/interfaces.d/eth0||eth1
sudo /etc/init.d/networking force-reload //重新加载网络文件
cat /etc/NetworkManager/ NetworkManager .conf   
 sudo /etc/init.d/network-manager restart
sudo /etc/init.d/networking restart

一直能内网无法ping通外网
sudo vi /etc/systemd/resolved.conf
把dns注释取消

#1.重置网络
sudo service network-manager stop 
sudo rm /var/lib/NetworkManager/NetworkManager.state 
sudo service network-manager start

#2.配置网络
# 查看网卡信息
ifconfig -a 
# 设置地址和掩码
sudo ifconfig ens33 192.168.10.99 netmask 255.255.254.0
# 设置网关
sudo route add default gw 192.168.254.0


ssh协议
1.SSH无法连接之"connection reset by ip_address port 22"问题解决
rm /etc/ssh/ssh_host_*
sudo dpkg-reconfigure openssh-server

 “你的远程服务器ip地址”

wifi命令登录

nmcli dev wifi


sudo nmcli dev wifi connect wifi_name password 12345678

ssh-keygen -R your ip
ifconfig


ssh -p 22 [email protected]

#查看无线网络
rfkill list      
#启动无线网络
rfkill unblock all 
#取消无线网络
rfkill block all 
#启动网卡
ifconfig wlan 0 up