Basic configuration of Linux

Installation: Vmvare, CentOS, securecrtportable (free version)

Software address: https://share.weiyun.com/1da7a1853bc8f9b8375a1564842899f2 (password: zu6g)

3. Start configuration

1 open VMware, press action

Gateways can be set by themselves | Click OK after configuring. Then proceed as follows:

The gateway is consistent with the above

OK after configuration, then open VM

After opening, the start is complete. Enter your account password, and then:

192.168.100.10 can set it up for himself.

OK to get the address above, run the tool below

Completed after successful landing

Modifying The basic configuration of Linux

1. Modify Host Name

[Email protected] ~]# vim/etc/sysconfig/network Networking=yes Hostname=hadoop

2. Modify The mapping of IP addresses and host names

[Email protected] ~]#vim/etc/hosts 192.168.100.10 Hadoop

3. modify the IP address

[Email protected] ~]# vim/etc/sysconfig/network-scripts/ifcfg-eth0 Device=eth0 Hwaddr=00:0c:29:46:27:dd Type=ethernet uuid=fbe2f564-ac4e-4c10-b45c-5889f517d581 Onboot=yes Nm_controlled=yes Bootproto=static ipaddr=192.168.100.10 netmask=255.255.255.0 gateway=192.168.100.1

4.DNS Server Configuration

[Email protected] ~]# vim/etc/resolv.conf NameServer 192.168.100.1

5. Restart the network

[Email protected] ~]# service Network Restart Shutting down interface eth0: [OK] Close Loopback interface: [OK] Eject loopback interface: [OK] Popup interface eth0: [OK]

6. Turn off the iptables and set its boot/no start

[[email protected] ~]# service iptables Stop Iptables: Set the chain to policy accept:filter [OK] Iptables: Clear Firewall rule: [OK] Iptables: Uninstalling module: [OK]

Note: Execution shuts down the firewall and shuts down the firewall on boot

#查看防火墙状态service iptables Status

#关闭防火墙service iptables Stop

#查看防火墙开机启动状态chkconfig iptables--list

#关闭防火墙开机启动chkconfig iptables off

#开机启动防火墙chkconfig iptables on

7. Rebooting the system

[Email protected] ~]#reboot

Basic configuration of Linux