Linux Notes (Lab environment Setup)

Disks and partitions

Hard disk partitions are divided into primary partitions, extended partitions, and logical partitions. A hard disk can have up to 4 primary partitions, where one primary partition can be replaced with an extended partition, and a hard disk can have only one extended partition, where multiple logical partitions may be partitioned within the extended partition.

The disk device name is as follows:

-The system's first IDE Interface's hard disk is called /dev/hda and so on . The partition is represented by a numeric number. such as:/dev/hda1/dev/hdb2

-Number 1~4 is reserved for primary or extended partitions, and the logical partition number starts with 5 .

the name of the-sas/scsi/sata/usb interface hard disk is expressed in /dev/sd[a-p].

High-scale enterprise partitioning scheme:

/boot 200MB

/50GB

/var 20GB

Swap 2048

/usr 100gb/usr/local

/Home 100GB

/ and swap Most important must exist

Network configuration

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

Device=eth0

Bootproto=static

Hwaddr=08:00:27:f0:95:dd

ipaddr=192.168.1.150

netmask=255.255.255.0

gateway=192.168.1.1

Onboot=yes

Changing the language environment

/etc/sysconfig/i18n

Toggle Boot Level

/etc/inittab