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    • DataBook® for Linux
    Linux Technical Data

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      • Series: Learning Bash and How to Program It
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        • Automation With Bash Scripts: Initialization and sanity testing
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        • Using sudo to delegate
        • Everything is a File
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          • Making your Linux Box Into a Router
          • Configuring Network Interface Controllers (NIC)
        • Networking Problems
          • Name services (DNS) resolver borked after upgrading to Fedora 33
          • Intel e1000e link speed only 100Mb rather than 1000Mb
          • Resetting Stale NFS Handles in Linux
        • Network Interface Card (NIC) name assignments
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        • Lexmark Printers Not Supported in Linux
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          • Remote configuration of Xfce4
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          • New Firewall – firewalld
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          • The Backup Plan
          • Using tar and ssh for backups
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      • Scripting Languages
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        • The awk Language
      • Apache Web Server
        • Basic Apache Web Server Configuration
        • Configuring multiple web sites with Apache
        • Configuration changes in Apache 2.4
      • Email
        • Migrate Thunderbird Config from one Linux Computer to Another
        • Configuring the Alpine email client
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          • Outbound Authentication for Sendmail
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          • top
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          • EMI Problems – Bothering your Neighbors
          • How to Minimize EMI Problems
        • Specific Problems
          • TigerVNC viewer blank
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          • Cannot Login Using GUI – 2
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      • Compiling the Kernel
        • Using Multiple Threads When Compiling the Kernel
      • Applications
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          • Fix OBS Studio frame rate issues
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          • ChurchInfo: Fatal Error: $_SESSION[‘sURLPath’] is empty
          • Installing ChurchInfo
          • ChurchInfo: Empty pages
        • WordPress
          • WordPress xmlrpc.php vulnerability
        • VirtualBox
          • VirtualBox VMs Very Slow
          • Installing VirtualBox Using the RPMFusion Repository
          • Sharing Virtual Machines on a Single VirtualBox Host
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    Networking Problems

    Up one level: Networking
    Previous: Configuring Network Interface Controllers (NIC)
    Next: Name services (DNS) resolver borked after upgrading to Fedora 33


    Last Updated on 09/18/2019 by dboth

    This section contains information about resolving specific network related problems.

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    Up one level: Networking
    Previous: Configuring Network Interface Controllers (NIC)
    Next: Name services (DNS) resolver borked after upgrading to Fedora 33


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    Book News

    Be sure to check my personal web site for news of my books. My first book, “The Linux Philosophy for SysAdmins,” was published in 2018 by Apress.

    My second project – a series of three books that make up a complete Linux self study course – “Using and Administering Linux – Zero to SysAdmin,” also from Apress, was released in December, 2019. The Second Edition of this series is now available.

    Cyndi Bulka, my yoga teacher and co-author, and I wrote, “Linux for Small Business Owners,” which was released in 2022.

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