Introduction to linux and beginner learner

Introduction to linux and beginner learner

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  Linux System AdministrationI YEAR 3, SEMESTER 2 Lecture: Phouk Channkrissna, Mobile: 0966665363/017665359, Email: channkrissna@gmail.com
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  Key Learning infull course • Basic Command • Package Management • File Permission • User Management • Shell Script • Remote Access Server • Web Server • DNS Record • Docker
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  Introduction To Linux Content: •What is Linux ? • Why use Linux? • Evolution of Linux OS • Find the Linux version • Linux Distribution • Linux Architecture • Linux Market • Install Linux
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  After finishing thislesson student will : • Understand Linux OS • Understand of Linux Market • Understand Linux Distribution • Understand Linux Kernel • Understand Linux Architecture
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  What is Linux? 5 •Linux is an open-source software • It like other software such as Microsoft Windows, Apple Mac OS, iOS, Google android, etc. • Linux is the fastest-growing OS. • Embedded systems: the advent of the Internet of Things • It is used from phones to supercomputers by almost all major hardware devices • It is everywhere in our phones, laptops, PCs, cars and even in refrigerators • It is very much famous among developers and normal computer users.
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  Why use Linux? 6 ALinux distribution is the collection of software applications and drivers that make Linux usable on your hardware. Common Linux distributions in 2021 include: • Free & Open Source Operating System • Security • Development • A flexible operating system • Server Management
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  Evolution of LinuxOS Find the Linux version in GUI 7 A GUI (graphical user interface) is a system of interactive visual components for computer software. A GUI displays objects that convey information, and represent actions that can be taken by the user. The objects change color, size, or visibility when the user interacts with them.
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  The company subsequentlylaunches the first active version Linux 0.01 (1991)
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  Patrick Volkerding launchesSlackware, first Linux distribution (1993)
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  The Tux mascotwas created and company launches new version called Linux Kernel 2.0
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  In the year1999, the first ever desktop version of Linux, the GNOME desktop arrives
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  British company Canonicallaunches the first of its kind user-friendly desktop version called Ubuntu with an unusual number 4.10 (2007)
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  Desktop view ofLinux in present
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  Evolution of LinuxOS Embedded Devices and System 14 Embedded Linux is a type of Linux kernel that is specially designed for embedded devices. For example, the popular smartphone operating system, Android, is a type of embedded Linux customized for smartphones IOTs Embedded Devices
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  Linux Distribution 15 A Linuxdistribution is the collection of software applications and drivers that make Linux usable on your hardware. Common Linux distributions in 2021 include: • Red Hat Enterprise Linux 8, free to use but support agreements are chargeable • CentOS 8, Red Hat rebuild with only community support and scheduled to be discontinued at the end of 2021 • Ubuntu 20.04 LTS, the current Long Term Support, (5 years) version from Canonical • SUSE Linux Enterprise Server 15 • openSUSE 15.2, community edition of the SUSE Enterprise product • Kali, Linux distribution with tools developed by Offensive Security • Raspbian, Debian based Linux distribution used on Raspberry Pi credit card sized computer • Android, Phone based Linux distribution
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  Linux Distribution 16 Linux distribution (oftenabbreviated as distro) UBUNTU DEBIAN FEDORA OPENSUSE Arch Linux Alpine Linux … and other
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  Linux Market 17 Linux Marketis focused on the scope of use of all sectors to create various technologies to serve business or education or government ... etc. • Company • Device • Software Development • Server • Other technologies
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  Linux Market​( continue) 18 Amazon Google IBM Facebook Apple Microsoft Super Market Coding Company Ministry Other companies Bank
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  Linux Market (continue) 19 API WebApplication Virtualization Database Network Micro Service Programming
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  Linux Architecture 20 The Linuxoperating system's architecture mainly contains some of the components: the Kernel, System Library, Hardware layer, System, and Shell utility. • Terminal • CPU • RAM • HDD • Network Card • Printer • ……..
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  Linux Architecture (Continue) 21 • HardwareHardware consists of all physical devices attached to the System. For − example: Hard disk drive, RAM, Motherboard, CPU etc. • Shell Shell is the interface which takes input from Users and sends instructions to − the Kernel, Also takes the output from Kernel and send the result back to output shell. • Utility These are the utility programs which runs on Shell. This can be any − application like Terminal, Service, Shell Scrip, Programming etc. • Kernel Kernel is the core component for any (Linux) operating system which − directly interacts with the hardware.