Troubleshooting

Red Hat Enterprise Linux 7    |    Intermediate
  • 12 videos | 53m 53s
  • Earns a Badge
Rating 4.7 of 106 users Rating 4.7 of 106 users (106)
Network security and maintenance go hand-in-hand. Let's look at some common troubleshooting skills every administrator should know in order to maintain a well working Linux system.

WHAT YOU WILL LEARN

  • Troubleshoot common memory issues
    Troubleshoot cpu or memory intensive processes
    Identify and diagnose file permission issues
    Troubleshoot common file permission security issues
    Troubleshoot common network issues
    Identify locked files or files used by a process
  • Troubleshoot and repair the xfs file system
    Describe the basic tools for repairing a variety of file systems
    Debug the xfs file system
    Troubleshoot a drive that has failed in either a hot-swap or raid configuration
    Troubleshoot using the red hat rescue environment
    Use selinux to protect a network service and find the processes using the most memory or cpu resources

IN THIS COURSE

  • 4m 53s
    During this video, you will learn how to troubleshoot common issues with memory. FREE ACCESS
  • 5m 6s
    In this video, you will learn how to troubleshoot CPU or memory intensive processes. FREE ACCESS
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    3.  Troubleshooting File Permission Issues
    5m 10s
    In this video, you will learn how to identify and diagnose file permission issues. FREE ACCESS
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    4.  Identifying File Permission Security Issues
    3m 52s
    In this video, find out how to troubleshoot common security issues with file permissions. FREE ACCESS
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    5.  Troubleshooting Network Issues
    6m 15s
    In this video, you will learn how to troubleshoot common network issues. FREE ACCESS
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    6.  Troubleshooting Locked Files
    3m 56s
    In this video, you will identify locked files or files in use by a process. FREE ACCESS
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    7.  Troubleshooting and Repairing Filesystems Part1
    4m 20s
    In this video, you will learn how to troubleshoot and repair the XFS file system. FREE ACCESS
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    8.  Troubleshooting and Repairing Filesystems Part2
    2m 45s
    Upon completion of this video, you will be able to describe the basic tools for repairing a variety of file systems. FREE ACCESS
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    9.  Debugging a Filesystem Issue
    3m 25s
    In this video, you will debug the XFS file system. FREE ACCESS
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    10.  Dealing with Failed Drives
    4m 16s
    During this video, you will learn how to troubleshoot a drive that has failed in either a hot-swap or a raid configuration. FREE ACCESS
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    11.  Using the Red Hat Rescue Environment
    5m 13s
    Learn how to troubleshoot using the Red Hat Rescue Environment. FREE ACCESS
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    12.  Exercise: Troubleshoot and Secure a Linux System
    4m 42s
    In this video, you will use SELinux to protect a network service and find the processes using the most memory or CPU resources. FREE ACCESS

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