Network Configuration
# Configure ip vi / etc / sysconfig / Network-scripts / ifcfg- ens33 BOOTPROTO = static ONBOOT = yes IPADDR = 192.168.92.130 # static ip GATEWAY = 192.168.92.2 # gateway NETMASK = 255.255.255.0 DNS1 = 114.114.114.114 # turn off the firewall STOP firewalld systemctl # temporarily turn off the firewall systemctl disable firewalld # prohibit boot # reboot network Service network restart> reboot the ping baidu.com
Configuring hosts
vim /etc/hosts 192.168.192.128 hadoop01 192.168.192.129 hadoop02 192.168.192.130 hadoop03 vim /etc/hostname hadoop01~03 hostnamectl set-hostname #另一种
Free secret landing
keygen-SSH # continue to press Enter (three were executed) SSH-Copy-hadoop01 the above mentioned id -i ~ 03 # execute (input ip) on each machine SSH ip # landing specified ip scp -r / Home / * 192.168.192.129 : / home /
Configuration environment variable
# JDK vi /etc/profile export JAVA_HOME=/usr/jdk export PATH=$PATH:${JAVA_HOME}/bin # Python vi /etc/profile export PYTHON_HOME=/usr/Python3 export PATH=$PATH:${PYTHON_HOME}/bin source /etc/profile echo $PATH