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    Certifications

    Photo credit: Berghain

    Oracle Linux 6 Installation

    3 minute read

    Kickstart - Automated Installations of RHEL and Oracle Linux

    3 minute read

    PXE Network Installations (RHEL6 / OL6)

    3 minute read

    Configuring VNC Server

    2 minute read

    KVM Overview

    2 minute read

    Disk Partitioning (fdisk, parted)

    14 minute read

    File Systems (mkfs, mount, fstab)

    7 minute read

    Logical Volume Management

    9 minute read

    Unified Key Setup (LUKS) Encrypted File Systems

    5 minute read

    Run Levels, Boot, Reboot, Shutdown

    4 minute read

    Installing Software Packages (rpm, yum)

    5 minute read

    Process Management (ps, top, renice, kill)

    7 minute read

    Groups and Users

    7 minute read

    Files, Directories and Permissions

    5 minute read

    Redirection and File Processing

    6 minute read

    CRON : Scheduling Tasks on Linux

    3 minute read

    Access Remote Servers from Linux (ssh, vncviewer)

    1 minute read

    Archive Tools (tar, star, gzip, bzip2, zip, cpio)

    2 minute read

    HTTP and FTP Server Configuration

    4 minute read

    Services (service, chkconfig, system-config-services)

    2 minute read

    Services (systemd, systemctl)

    5 minute read

    Network Configuration

    2 minute read

    System Log Files

    3 minute read

    Access Control Lists (ACLs)

    2 minute read

    Firewall (iptables, system-config-firewall)

    9 minute read

    Firewall (firewalld, firewall-cmd, firewall-config)

    7 minute read

    Security-Enhanced (SELinux)

    8 minute read

    Routing IP Traffic on Linux

    2 minute read

    Use iptables to Implement Packet Filtering and Configure Network Address Translation (NAT)

    1 minute read

    Kernel Run-Time Parameters

    2 minute read

    Configure Linux to Authenticate Using Kerberos

    1 minute read

    Build Simple Linux RPM Packages

    2 minute read

    iSCSI Targets and Initiators

    4 minute read

    Remote Logging

    2 minute read

    HTTP Server Configuration

    8 minute read

    DNS Configuration

    3 minute read

    NFS Configuration

    4 minute read

    Samba Configuration

    5 minute read

    Mail Transfer Agent (MTA) Configuration Using Postfix

    2 minute read

    User Equivalence (Key-Based Authentication) Configuration on Linux

    8 minute read

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