Ubuntu

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"