55187 - Linux System Administration
7/20/2020 - 7/23/2020COURSE LENGTH:
9:00am - 4:30pm
This four-day instructor-led course is designed to provide students with the necessary skills and abilities to work as a professional Linux system administrator. The course covers how to administer, configure and upgrade Linux systems running one of the three major Linux distribution families: Red Hat, SUSE, Debian/Ubuntu, how to master the tools and concepts you’ll need to efficiently build and manage an enterprise Linux infrastructure. It also covers how to use state-of-the-art system administration techniques in real-life scenarios via practical labs. This course prepares the user for the Linux Foundation Certified System Administrator (LFCS) exam, which is also a required component of the MCSA: Linux on Azure Certification.
AUDIENCE AND PREREQUISITES
This course is intended for students with a basic knowledge of Linux and its most common utilities and text editors. For users with no prior experience we suggest the free ‘Introduction to Linux’ course available on edx.org.
Knowledge of the basic components of Linux.
Familiarity with text editors.
Working knowledge of Bash scripting.
Course is subject to minimum enrollment. This course may run as a virtual instructor led course if minimum enrollment is not met. Courseware and Exam cost is not included. Please contact: firstname.lastname@example.org for an additional costs.
At Course Completion Perform essential Linux commands such as installation, searches and manipulating files. Operate running Linux systems by managing the boot process, scheduling jobs, updating the system, monitoring system performance and managing security. Manage users and groups by adding/deleting/modifying, configuring LDAP and PAM, modifying user processes and resources Ensure network performance via configuration, monitoring, tunnelling and routing of traffic. Configure services such as DNS, shares, SSH and SELinux/AppArmor as well as servers for DHCP and HTTP. Manage system storage by using partitions, logical volumes, phsyical volumes, ACLs, quotas and clustering.Module 1: System Startup and Shutdown This module explains how to manage startup and shutdown processes in Linux. Understanding the Boot Sequence The Grand Unified Boot Loader GRUB Configuration Files System Configuration Files in /etc The init Process SysVinit Startup chkconfig and service Upstart, systemd, Shutting down/Rebooting the System Lab 1: Chapter LabsModule 2: Linux Filetree System Layout This module explains how the Linux Filesystem is organized and points out the key directories and their roles. Data Distinctions FHS Linux Standard Directory Tree root (/) directory, /bin, /dev, /etc, /home, /lib and /lib64, /media, /mnt, /opt, /proc /sys, /root, /sbin, /tmp, /usr, /var, /runModule 3: Kernel Services and Configuration Kernel Overview Kernel Configuration sysctl, Kernel Modules Module Utilities Module Configuration udev and Device ManagementModule 4: Partitioning and Formatting Disks Common Disk Types Disk Geometry Partitioning Naming Disk Devices Sizing up partitions Partition table editorsModule 5: Linux Filesystems Some Notes About Filesystems Virtual Filesystem (VFS) Filesystem Concepts Disk and Filesystem Usage Extended Attributes ext4, XFS, btrfs Creating and formatting filesystems Checking and Repairing Filesystems Mounting filesystems Swap Filesystem QuotasModule 6: RAID and LVM RAID, RAID Levels Software RAID Configuration Logical Volume Management (LVM) Volumes and Volume Groups Working with Logical Volumes Resizing Logical Volumes LVM SnapshotsModule 7: Processes Programs and Processes Process States Execution Modes Daemons Creating Processes Process Limits Process Monitoring Signals niceness LibrariesModule 8: Package Management Systems Software Packaging Concepts RPM (Red Hat Package Manager) DPKG (Debian Package) Revision Control SystemsModule 9: Package Installers Package Installers yum zypper APTModule 10: User and Group Account Management User Accounts Management Passwords Restricted Shells and Accounts The root Account Group Management PAM (Pluggable Authentication Modules) Authentication Process Configuring PAM LDAP Authentication File Permissions and Ownership SSHModule 11: Backup and Recovery Methods Backup Basics cpio, tar, Compression: gzip, bzip2 and xz and Backups dd, rsync, dump and restore nt Backup ProgramsModule 12: Networking IP Addresses Hostnames Configuring Network Interfaces Routing Name Resolution Network DiagnosticsModule 13: Firewalls Firewalls Interfaces firewalld Zones Source Management Service and Port ManagementModule 14: Local System Security Local System Security Creating a Security Policy Updates and Security Physical Security Filesystem Security Linux Security ModulesModule 15: Basic Troubleshoot and System Rescue Troubleshooting Overview Things to Check: Networking Boot Process Failures Filesystem Corruption and Recovery Virtual Consoles Rescue Media and Troubleshooting System Rescue and Recovery