By the end of the course you will:
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Be able to familiar with common Linux boot problems and gets hands on experience on basic system recovery with various lab sessions.
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Be able to confidently use the Linux operating system to increase your productivity and Career.
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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)
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Linux Boot process
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Booting of RHEL 7 with systemd
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Lab on Basic System Recovery (Initramfs file missing/Corrupted)
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Lab on Basic System Recovery (Grub related issues like stage 1.5/2 grub is missing)-Part1
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Lab on Basic System Recovery (Grub related issues like stage 1.5/2 grub is missing)-Part2
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Lab on Basic System Recovery (Master Boot Record missing/corrupted)
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Lab on Basic System Recovery (Critical files are missing like mount binary)
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Lab on Basic System Recovery (/boot fs is completely wiped out or corrupted)
Red Hat Enterprise Linux 7
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Overview about RHEL7 with its new features
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Comparison with RHEL 6
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Lab on systemd service (Familiar with different systemd targets & new commands)
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Practice Lab Session on systemctl status/stop/start/enable/disable
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Practice Lab Session on default target, list dependencies & journalctl etc
Booting modes in RHEL 7
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Rescue mode in RHEL 7
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Lab on rescue mode
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Emergency mode in RHEL 7
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Lab on emergency mode
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Troubleshooting mode (Overview and Lab)
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Lab on Recovering the Root password in RHEL7
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Resetting the Root Password Using an Installation Disk
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Resetting the Root Password Using rd.break
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GRand Unified BootLoader (Grub2)
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Overview of Grub
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Grub Configuration file
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Features of Grub2 and its comparison with Legacy Grub
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Practical Lab Session – Different commands to run at Grub2 prompt
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Practical Lab Session – Boot from Grub (Selecting Kernel & Initramfs)
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Practical Lab Session – How to make your grub password protected
Increase Swap In Linux
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Overview of Memory/Swap
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Increase swap size using swap partition
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Increase swap using swap file
