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配置root密码
刚安装的Ubuntu无root密码
sudo passwd
#输入账户密码
#设置UNIX密码
#重新输入UNIX密码
#验证密码
su root
2. 修改静态ip
sudo apt install net-tools
#查看ip
ifconfig
ens33: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 192.168.2.219 netmask 255.255.255.0 broadcast 192.168.2.255
inet6 fe80::20c:29ff:fe96:be31 prefixlen 64 scopeid 0x20<link>
ether 00:0c:29:96:be:31 txqueuelen 1000 (以太网)
RX packets 2498 bytes 342562 (342.5 KB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 163 bytes 17532 (17.5 KB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536
inet 127.0.0.1 netmask 255.0.0.0
inet6 ::1 prefixlen 128 scopeid 0x10<host>
loop txqueuelen 1000 (本地环回)
RX packets 3042 bytes 183814 (183.8 KB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 3042 bytes 183814 (183.8 KB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
#修改ens33
vim /etc/network/interfaces
# interfaces(5) file used by ifup(8) and ifdown(8)
auto lo
iface lo inet loopback
auto ens33
iface ens33 inet static
address 192.168.2.219
netmask 255.255.255.0
gateway 192.168.2.1
修改完后重启network，并重启系统
/etc/init.d/networking restart
reboot #重启系统3. 设置远程登陆
apt-get update
apt-get install openssh-server
修改配置文件
vim /etc/ssh/sshd_config
PermitRootLogin yes
重启ssh
service ssh restart