💡How to Change IP Address and Installation SSH Service

Change Static IP Address

Update Package

sudo yum update -y

Change IP Address

Check Interfaces

ls /sys/class/net/

Change IP Address According to Interfaces

sudo vi /etc/sysconfig/network-scripts/ifcfg-(your-interfaces)

how to use vi text editor: https://www.freecodecamp.org/news/vim-beginners-guide/

TYPE=Ethernet
PROXY_METHOD=none
BROWSER_ONLY=no
BOOTPROTO=none
DEFROUTE=yes
IPV4_FAILURE_FATAL=no
IPV6INIT=yes
IPV6_AUTOCONF=yes
IPV6_DEFROUTE=yes
IPV6_FAILURE_FATAL=no
IPV6_ADDR_GEN_MODE=stable-privacy
NAME=ens33                                ## change to your interfaces
UUID=93d6a045-8aa2-4681-b351-83d6afb6b946
DEVICE=ens33                              ## change to your interfaces
ONBOOT=yes
IPADDR=192.168.8.100                      ## your static ip address
PREFIX=24                                 ## your subnet/prefix
GATEWAY=192.168.8.1                       ## your gateway router
DNS1=8.8.8.8
DNS2=8.8.4.4

Restart Network Service

sudo systemctl restart network.service

Install SSH Service

Install Package For SSH

sudo yum install openssh-server openssh-client -y

Enable SSH Service

sudo systemctl enable sshd
sudo systemctl start sshd

Configuration SSH

sudo vim /etc/ssh/sshd_config

#LoginGraceTime 2m
PermitRootLogin yes        ## delete "#" and change the value to "yes"
#StrictModes yes
#MaxAuthTries 6
#MaxSessions 10

Restart SSH Service

sudo systemctl restart sshd