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Operating Systems & Servers
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Linux common boot issues and troubleshooting

Familiar with common Linux boot problems and gets hands on experience on basic system recovery with various lab sessions

     
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₹519
Linux common boot issues and troubleshooting

    This Course Includes

    • iconudemy
    • icon4.4 (83 reviews )
    • icon3h 45m
    • iconenglish
    • iconOnline - Self Paced
    • iconprofessional certificate
    • iconUdemy

    About Linux common boot issues and troubleshooting

    By the end of the course

    you will:

    Be able to familiar with common Linux boot problems and gets hands on experience on basic system recovery with various lab sessions.

    Be able to confidently use the Linux operating system to increase your productivity and Career.

    Be able to perform everyday computing tasks from the Linux command line.

    LINUX Basic Course Outline

    Troubleshooting Linux Boot Problems in Red Hat Linux (Basic System Recovery)

    Linux Boot process

    Booting of RHEL 7 with systemd

    Lab on Basic System Recovery (Initramfs file missing/Corrupted)

    Lab on Basic System Recovery (Grub related issues like stage 1.5/2 grub is missing)-Part1

    Lab on Basic System Recovery (Grub related issues like stage 1.5/2 grub is missing)-Part2

    Lab on Basic System Recovery (Master Boot Record missing/corrupted)

    Lab on Basic System Recovery (Critical files are missing like mount binary)

    Lab on Basic System Recovery (/boot fs is completely wiped out or corrupted)

    Red Hat Enterprise Linux 7

    Overview about RHEL7 with its new features

    Comparison with RHEL 6

    Lab on systemd service (Familiar with different systemd targets & new commands)

    Practice Lab Session on systemctl status/stop/start/enable/disable <service>

    Practice Lab Session on default target, list dependencies & journalctl etc

    Booting modes in RHEL 7

    Rescue mode in RHEL 7

    Lab on rescue mode

    Emergency mode in RHEL 7

    Lab on emergency mode

    Troubleshooting mode (Overview and Lab)

    Lab on Recovering the Root password in RHEL7

    Resetting the Root Password Using an Installation Disk

    Resetting the Root Password Using rd.break

    GRand Unified BootLoader (Grub2)

    Overview of Grub

    Grub Configuration file

    Features of Grub2 and its comparison with Legacy Grub

    Practical Lab Session - Different commands to run at Grub2 prompt

    Practical Lab Session - Boot from Grub (Selecting Kernel & Initramfs)

    Practical Lab Session - How to make your grub password protected

    Increase Swap In Linux

    Overview of Memory/Swap

    Increase swap size using swap partition

    Increase swap using swap file

    What You Will Learn?

    • Common Linux boot issues .
    • Basic System Recovery .
    • Booting of RHEL 7 with systemd .
    • Initramfs file missing/Corrupted .
    • Grub related issues .
    • Master Boot Record missing/corrupted .
    • Critical files are missing like mount binary .
    • Familiar with different systemd targets & new commands .
    • Practice Lab Session on default target, list dependencies & journalctl etc .
    • Booting modes in RHEL 7 .
    • Rescue mode in RHEL 7 .
    • Emergency mode in RHEL 7 .
    • Troubleshooting mode in RHEL 7 .
    • Resetting the Root Password Using rdbreak Show moreShow less.