Ubuntu Linux: Essential Commands and System Administration

Contents

• Introduction Introduction

  • Administering Ubuntu Linux

    41s
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    What you should know

    37s
• 1. Install and Log In to Ubuntu 1. Install and Log In to Ubuntu

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    Lab setup

    44s
  • Installing Ubuntu in a virtual machine

    4m 39s
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    Logging in to a text console and the GUI

    3m 31s
• 2. Shell and File Operations 2. Shell and File Operations

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    Using the bash shell

    5m 50s
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    System documentation

    10m 30s
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    Files on Linux

    9m 20s
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    Work with files and directories

    9m 16s
  • Hard links and symbolic links

    6m 37s
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    Finding files

    4m 19s
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    Edit text files with nano and vi

    8m 59s
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    Redirection and pipes

    6m 15s
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    Manipulate text with sed and awk

    4m 2s
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    Search for and compare text with grep and diff

    5m 32s
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    Compress and decompress files

    8m 27s
• 3. Users and Groups 3. Users and Groups

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    Users and groups

    6m 24s
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    Create user accounts

    3m 55s
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    Modify and delete user accounts

    3m 36s
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    Create and modify groups

    2m 39s
  • File permissions

    5m 29s
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    Configure permissions to allow group collaboration

    3m 15s
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    Access Control Lists (ACLs)

    1m 31s
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    Using and granting access to sudo

    4m 44s
• 4. Software and Updates 4. Software and Updates

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    Updating software

    5m 8s
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    Installing from source

    4m 16s
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    Understanding shared libraries

    2m 48s
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    Explore AppArmor

    3m 9s
• 5. System Start-Up and the Kernel 5. System Start-Up and the Kernel

  • Booting and systemd targets

    6m 8s
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    Configuring and modifying the bootloader

    4m 28s
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    Enabling and disabling systemd units

    3m 40s
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    Updating the kernel

    2m 16s
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    Change kernel parameters

    3m 19s
• 6. System Management 6. System Management

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    Examine resource utilization

    6m 48s
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    Working with processes

    7m 54s
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    Explore resource bottlenecks

    5m 7s
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    Exploring system hardware

    3m 15s
  • Explore system log files

    5m 21s
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    Schedule and verify tasks

    7m 10s
• 7. Partitions and File Systems 7. Partitions and File Systems

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    Understanding storage terminology

    7m 35s
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    Explore and identify block devices

    3m 42s
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    Create and modify partitions

    2m 25s
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    Create, modify, and mount file systems

    6m 54s
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    Create and mount an encrypted partition

    4m 24s
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    Configure disk mounting

    4m 24s
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    Exploring disk and file system health

    4m 19s
• 8. RAID and LVM 8. RAID and LVM

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    Understanding RAID

    4m 25s
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    Building and managing a RAID array

    7m 29s
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    Understanding LVM

    2m 31s
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    Create a physical volume, volume group, and logical volume

    5m 19s
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    Extend a volume group and logical volume

    2m 52s
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    Migrate and replace a physical volume

    2m 5s
• 9. Network Settings 9. Network Settings

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    Ubuntu network configuration

    5m 8s
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    Finding network connection information

    4m 47s
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    Configure a dynamic address with NetworkManager

    3m 58s
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    Configure a static address with NetworkManager

    1m 53s
• 10. Remote Console Access 10. Remote Console Access

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    Configuring SSH server

    5m 45s
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    Connecting with SSH

    2m 3s
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    Securing SSH with keys

    6m 25s
• 11. Firewalls and Ports 11. Firewalls and Ports

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    Understanding ports

    3m 24s
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    Exploring open ports

    4m 11s
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    Using the ufw firewall software

    5m 55s
• Conclusion Conclusion

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    Next steps

    36s