Daily study of Linux--Review day

1. Installing the System

Virtual machine memory typically 1 hours.

The resolution can be adjusted.

NIC has two settings simple and practical bridging, once and for all NAT

Important partition: The actual situation according to customer demand, the default/boot with 200M, swap 2000M/surplus and so on.

2.ifconfig-a

Dhclient (will generate DHCP service, work is not available)

Vi/etc/sysconfig/network-scripts/ifcfg-eth0

Device=eth0

Hwaddr=00:0c:29:cb:9f:f9

Type=ethernet

Uuid=e46d71e2-c89b-4949-9056-81610600e3bb

Onboot=yes

Nm_controlled=yes

Bootproto=static

ipaddr=192.168.75.3

netmask=255.255.255.0

gateway=192.168.75.2

Peerdns=no-----

dns1=8.8.8.8

Dns2= .....

Route-n

DNS configuration file/etc/resolv.conf

3. Remote connection

Use Putty, Xshell, (as far as possible in English, Chinese may have back door)

1) Direct Password login

2) secret key login

(1) Double-click Puttygen production key Pair

(2) The private key is stored on its own computer, and the public key is copied and pasted.

(3) Create on Linux server

Open Puttygen, generate the private key, save the settings password.

Enter server mkdir. SSH

VI. Ssh/authorized_keys Copy the public key in.

chmod. SSH

chmod Authorized_keys

Temporarily close SELinux Setenforce 0

Permanently close Vi/etc/selinux/config

Selinux=disabled

Clear Firewall Rule iptables-f

Save Firewall Rule/etc/init.d/iptables Save

----have repeated please forgive ...

Daily study of Linux--Review day