Linux : Ubuntu
While installing Ubuntu you get 3 options:
1: "Install alongside" – retain existing os
2: “Erase Disk” - fresh new installation deleting existing data.
3: "Manual partitioning" – Customize partitions. – If you don’t want to delete existing data
Manual partitioning:
Create free space and click add following three partitions.
1: File System Partition : ESP (Efi System Partition)
Size: min 100Mb max 500Mb
use as VFAT
Mount point : N/A
It is a FAT formatted partition containing the primary EFI boot loader(s) for installed operating systems.
2: SWAP: use as swap
Size: 4Gb
use as Swap
Mount point : N/A
3: File systm partition used by OS
Size: Maximum (depending upon availability and requirement)
use as EXT4
Mount point : /
apt : advanced package tool
To update local package index with information from configured repositories, it downloads latest list of available packages and their versions but do not install or upgrade any packages.
Admin@Ubuntu#:~$ sudo apt-get update
To upgrade all currently installed packages on system to latest version.
Admin@Ubuntu#:~$ sudo apt-get upgrade
To check Ubuntu software version:
Admin@Ubuntu#:~$ lsb_release -a
------------- output start --------------------
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 24.04.2
LTS
Release: 24.04
Codename: noble
------------- output end --------------------
Admin@Ubuntu#:~$ cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=24.04
DISTRIB_CODENAME=noble
DISTRIB_DESCRIPTION="Ubuntu 24.04.2 LTS"
