Ubuntu16.04.5 installs full records in lvm mode

**Operating system version: **

root@openstack-computer:~# more /etc/os-release 
NAME="Ubuntu"
VERSION="16.04.5 LTS (Xenial Xerus)"
ID=ubuntu
ID_LIKE=debian
PRETTY_NAME="Ubuntu 16.04.5 LTS"
VERSION_ID="16.04"
HOME_URL="http://www.ubuntu.com/"
SUPPORT_URL="http://help.ubuntu.com/"
BUG_REPORT_URL="http://bugs.launchpad.net/ubuntu/"
VERSION_CODENAME=xenial
UBUNTU_CODENAME=xenial

The operating system version is 16.04.5 server version

**Contents of this article: **

Operating system installation
System Optimization

**Media of this article: **

Link: https://pan.baidu.com/s/1LenCI68uacAE-U_uIj1ecg

Extraction code: dbfr

16.04.5 Download link for each version: http://nl.releases.ubuntu.com/16.04/?_ga=2.15533814.1988147862.1543216875-909190780.1539682835

Part1 Operating system installation

Choose'English' as the language, if you choose'Chinese (Simplified)' for version 16.04, an error will be reported during the installation process'Cannot install busybox-initramfs', it seems that this is a bug

Carriage return

Select'English'

As shown, press Enter

Choose'No' and press Enter

Choose as shown in the figure, press Enter

Carriage return

installing

Choose a network card

Configure the network

DHCP configuration failed, press Enter

Manually configure the network

Configure ip

Mask

Gateway

name server is empty

CPU name

domain is empty

New user monitor

Press enter, next step

Set password, press enter

Confirm password, press enter

Select Yes to enable weak password

Select No, do not encrypt the home directory

Time zone selection, you can choose one at random, you can modify it after the system is installed

Partition settings, select manual

Select disk

Choose Yes

Select the disk, prepare partition settings

Create a new zone

The size is 500M

Select primary partition

Choose Beginning

Prepare to set the file system format and mount point

File system format is Ext4

The mount point is boot

go back

Continue to partition, press enter

In the same way, create the swap partition of the primary partition, the size is 8GB, and the file system format is swap.

return

Create volume groups and logical volumes

Use all remaining disk space

Select primary partition

File system type is lvm

return

Configure Volume Group Logical Volume

Choose Yes

Create volume group

The volume group is named rootvg

Disk selection /dev/sda3

Start creating logical volume

Select the only vg rootvg, press enter

The logical volume is named root

10GB in size

Similarly, create logical volumes such as opt, var, usr, tmp, and home

View the created logical volume

Select Finish, ready to mount the logical volume

Select the logical volume home, as shown in the figure

The default is not used

File system selection Ext4

The mount point is empty by default, select /home

Mount other logical volumes in the same way

The configuration is complete as shown in the figure

Complete partition and write to disk

Choose Yes

System installation

Empty, continue

Do not update

Installation package selection, here choose ssh and virtual machine host, ssh is to facilitate remote login, and virtual machine host is kvm service

Choose Yes

Eject the disk and continue

Complete the installation and log in with the monitor account

Part2 system optimization

The system has been installed, you can log in remotely through crt, putty and other tools

1. Allow root login and set root password

monitor@openstack-computer:~$ sudo view /etc/ssh/sshd_config 
PermitRootLogin yes
PasswordAuthentication yes
monitor@openstack-computer:~$ sudo service ssh restart

Set root password

monitor@openstack-computer:~$ sudo su - root
root@openstack-computer:~# passwd root
Enter newUNIX password: 
Retype newUNIX password: 
passwd: password updated successfully

2. Configure ip and dns

root@openstack-computer:~# view /etc/network/interfaces
# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).

source /etc/network/interfaces.d/*

# The loopback network interface
auto lo
iface lo inet loopback

# The primary network interface
auto ens160
iface ens160 inet static
  address 172.27.34.38
  netmask 255.255.255.0
  network 172.27.34.0
  broadcast 172.27.34.255
  gateway 172.27.34.1
  dns-nameserver 218.104.111.122
  dns-search foo.org.bar.co
root@openstack-computer:~# service networking restart

Please fill in dns-nameserver according to the actual situation, and restart the network service after configuration

3. Configure apt source

root@openstack-computer:~# view /etc/apt/sources.list
deb http://mirrors.aliyun.com/ubuntu/ xenial main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ xenial-security main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ xenial-updates main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ xenial-proposed main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ xenial-backports main restricted universe multiverse
root@openstack-computer:~# apt update

Set source as Ali source and update

4. Modify time zone

View current time zone

root@openstack-computer:~# date -R
Thu,29 Nov 201803:53:49-0500

Modify time zone

root@openstack-computer:~# cp /usr/share/zoneinfo/Asia/Shanghai /etc/localtime

verification

root@openstack-computer:~# date -R
Thu,29 Nov 201816:58:15+0800

Time zone modification completed

This completes the installation of the Ubuntu16.04.5 operating system