18 Bash courses delivered Live Online

Duration 5 Days 30 CPD hours This course is intended for IT professionals across a broad range of disciplines who need to perform essential Linux administration tasks including installation, establishing network connectivity, managing physical storage, and basic security administration. This course relates to Red Hat Enterprise Linux 7 and is designed for IT pros without previous Linux admin experience. The course focuses on providing students with Linux admin 'survival skills' by focusing on core admin tasks. ACCESS THE COMMAND LINE * Log in to a Linux system and run simple commands using the shell. MANAGE FILES FROM THE COMMAND LINE * Copy, move, create, delete, and organize files from the bash shell prompt. GETTING HELP IN RED HAT ENTERPRISE LINUX * Resolve problems by using online help systems and Red Hat support utilities. CREATE, VIEW, AND EDIT TEXT FILES * Create, view, and edit text files from command output or in an editor MANAGE LOCAL LINUX USERS AND GROUPS * Manage local Linux users and groups, and administer local password policies. CONTROL ACCESS TO FILES WITH LINUX FILE SYSTEM PERMISSIONS * Set Linux file system permissions on files and interpret the security effects of different permission settings. MONITOR AND MANAGE LINUX PROCESSES * Obtain information about the system, and control processes running on it. CONTROL SERVICES AND DAEMONS * Control and monitor network services and system daemons using systemd. CONFIGURE AND SECURE OPENSSH SERVICE * Access and provide access to the command line on remote systems securely using OpenSSH. ANALYZE AND STORE LOGS * Locate and accurately interpret relevant system log files for troubleshooting purposes. MANAGE RED HAT ENTERPRISE LINUX NETWORKING * Configure basic IPv4 networking on Red Hat Enterprise Linux systems. ARCHIVE AND COPY FILES BETWEEN SYSTEMS * Archive files and copy them from one system to another. INSTALL AND UPDATE SOFTWARE PACKAGES * Download, install, update, and manage software packages from Red Hat and yum package repositories. ACCESS LINUX FILE SYSTEMS * Access and inspect existing file systems on a Red Hat Enterprise Linux system. USE VIRTUALIZED SYSTEMS * Create and use Red Hat Enterprise Linux virtual machines with KVM and libvirt.

Duration 5 Days 30 CPD hours This course is intended for Practiced Linux system administrators who currently manage Linux servers at the enterprise level - Skilled Linux system administrators who who want or are required to demonstrate competencies by earning the RHCSA This course is designed for experienced Linux System Administrators who want to harden their technical skill sets and become accredited with the RHCSA certification. ACCESSING THE COMMAND LINE * Log in to a Linux system and run simple commands using the shell. MANAGING FILES FROM THE COMMAND LINE * Work with files from the bash shell prompt. MANAGING LOCAL LINUX USERS AND GROUPS * Manage Linux users and groups and administer local password policies. CONTROLLING ACCESS TO FILES WITH LINUX FILE SYSTEM PERMISSIONS * Set access permissions on files and interpret the security effects of different permission settings. MANAGING SELINUX SECURITY * Use SELinux to manage access to files and interpret and troubleshoot SELinux security effects. MONITORING AND MANAGING LINUX PROCESSES * Monitor and control processes running on the system. INSTALLING AND UPDATING SOFTWARE PACKAGES * Download, install, update, and manage software packages from Red Hat and yum package repositories. CONTROLLING SERVICES AND DAEMONS * Control and monitor network services and system daemons using systemd. MANAGING RED HAT ENTERPRISE LINUX NETWORKING * Configure basic IPv4 networking on Red Hat Enterprise Linux systems. ANALYZING AND STORING LOGS * Locate and interpret relevant system log files for troubleshooting purposes. MANAGING STORAGE AND FILE SYSTEMS * Create and use disk partitions, logical volumes, file systems, and swap spaces. SCHEDULING SYSTEM TASKS * Schedule recurring system tasks using cron and systemd timer units. MOUNTING NETWORK FILE SYSTEMS * Mount network file system (NFS) exports and server message block (SMB) shares from network file servers. LIMITING NETWORK COMMUNICATION WITH FIREWALLD * Configure a basic local firewall. ADDITIONAL COURSE DETAILS: Nexus Humans Enterprise Linux System Admin Fast Track with Exam Prep training program is a workshop that presents an invigorating mix of sessions, lessons, and masterclasses meticulously crafted to propel your learning expedition forward. This immersive bootcamp-style experience boasts interactive lectures, hands-on labs, and collaborative hackathons, all strategically designed to fortify fundamental concepts. Guided by seasoned coaches, each session offers priceless insights and practical skills crucial for honing your expertise. Whether you're stepping into the realm of professional skills or a seasoned professional, this comprehensive course ensures you're equipped with the knowledge and prowess necessary for success. While we feel this is the best course for the Enterprise Linux System Admin Fast Track with Exam Prep course and one of our Top 10 we encourage you to read the course outline to make sure it is the right content for you. Additionally, private sessions, closed classes or dedicated events are available both live online and at our training centres in Dublin and London, as well as at your offices anywhere in the UK, Ireland or across EMEA.

Duration 5 Days 30 CPD hours This course is intended for Linux Professional Institute Certification (LPIC-1) 102 training is suitable for individuals with roles of: System administrator Network administrator Technician DevOps Overview Upon successful completion of this course, students will be able to: customize shell environments to meet users' needs customize existing scripts or write simple new Bash scripts install and configure X11 add, remove, suspend and change user accounts use cron and systemd timers to run jobs at regular intervals and to use at to run jobs at a specific time localize a system in a different language than English properly maintain the system time and synchronize the clock via NTP manage print queues and user print jobs using CUPS and the LPD compatibility interface manage the persistent network configuration of a Linux host configure DNS on a client host review system configuration to ensure host security in accordance with local security policies know how to set up a basic level of host security use public key techniques to secure data and communication. This course prepares students to take the 102 exam of the LPI level 1 certification. SHELLS AND SHELL SCRIPTING * Customize and use the shell environment * Customize or write simple scripts USER INTERFACES AND DESKTOPS * Install and configure X11 * Graphical Desktops * Accessibility ADMINISTRATIVE TASKS * Manage user and group accounts and related system files * Automate system administration tasks by scheduling jobs * Localisation and internationalisation ESSENTIAL SYSTEM SERVICES * Maintain system time * System logging * Mail Transfer Agent (MTA) basics * Manage printers and printing NETWORKING FUNDAMENTALS * Fundamentals of internet protocols * Persistent network configuration * Basic network troubleshooting * Configure client side DNS SECURITY * Perform security administration tasks * Setup host security * Securing data with encryption ADDITIONAL COURSE DETAILS: Nexus Humans Linux Professional Institute Certification (LPIC-1) 102 training program is a workshop that presents an invigorating mix of sessions, lessons, and masterclasses meticulously crafted to propel your learning expedition forward. This immersive bootcamp-style experience boasts interactive lectures, hands-on labs, and collaborative hackathons, all strategically designed to fortify fundamental concepts. Guided by seasoned coaches, each session offers priceless insights and practical skills crucial for honing your expertise. Whether you're stepping into the realm of professional skills or a seasoned professional, this comprehensive course ensures you're equipped with the knowledge and prowess necessary for success. While we feel this is the best course for the Linux Professional Institute Certification (LPIC-1) 102 course and one of our Top 10 we encourage you to read the course outline to make sure it is the right content for you. Additionally, private sessions, closed classes or dedicated events are available both live online and at our training centres in Dublin and London, as well as at your offices anywhere in the UK, Ireland or across EMEA.

Duration 5 Days 30 CPD hours This course is intended for This course is geared toward Windows system administrators, network administrators, and other system administrators who are interested in supplementing current skills or backstopping other team members, in addition to Linux system administrators who are responsible for these tasks: Configuring, installing, upgrading, and maintaining Linux systems using established standards and procedures, Providing operational support, Managing systems for monitoring system performance and availability, Writing and deploying scripts for task automation and system administration. Overview #NAME? Red Hat System Administration I (RH124) equips you with Linux© administration "survival skills" by focusing on foundational Linux concepts and core tasks. You will learn how to apply command-line concepts and enterprise-level tools, starting you on your journey toward becoming a full-time Linux system administrator. This path continues with the follow-on course, Red Hat System Administration II (RH134). 1 - GETTING STARTED WITH THE GNOME GRAPHICAL DESKTOP * Get started with GNOME and edit text files with gedit 2 - MANAGE FILES GRAPHICALLY WITH NAUTILUS * Manage files graphically and access remote systems with Nautilus 3 - GET HELP IN A GRAPHICAL ENVIRONMENT * Access documentation, both locally and online 4 - CONFIGURE LOCAL SERVICES * Configure the date and time and configure a printer 5 - MANAGE PHYSICAL STORAGE * Understand basic disk concepts and manage system disks 6 - MANAGE LOGICAL VOLUMES * Understand logical volume concepts and manage logical volumes 7 - MONITOR SYSTEM RESOURCES * Manage memory and CPU utilization 8 - MANAGE SYSTEM SOFTWARE * Manage system software locally and using Red Hat Network (RHN) 9 - GET STARTED WITH BASH * Understand basic shell concepts, execute simple commands, and use basic job control techniques 10 - GET HELP IN A TEXTUAL ENVIRONMENT * Use man and info pages and find documentation in /usr/share/doc 11 - ESTABLISH NETWORK CONNECTIVITY * Understand basic network concepts; configure, manage, and test network settings 12 - ADMINISTER USERS AND GROUPS * Manage users and groups 13 - MANAGE FILES FROM THE COMMAND LINE * Understand Linux filesystem hierarchy; manage files from the command line 14 - SECURE LINUX FILE ACCESS * Understand Linux file access mechanisms; manage file access from the GUI and the command line 15 - ADMINISTER REMOTE SYSTEMS * Share and connect to a desktop; use SSH and rsync 16 - CONFIGURE GENERAL SERVICES * Manage services; configure SSH and remote desktops 17 - MANAGE PHYSICAL STORAGE II * Manage filesystem attributes and swap space 18 - INSTALL LINUX GRAPHICALLY * Install Red Hat Enterprise Linux and configure the system with firstboot 19 - MANAGE VIRTUAL MACHINES * Understand basic virtualization concepts; install and manage virtual machines 20 - CONTROL THE BOOT PROCESS * Understand runlevels and manage GRUB 21 - DEPLOY FILE SHARING SERVICES * Deploy an FTP server and a web server 22 - SECURE NETWORK SERVICES * Manage a firewall; understand SELinux concepts and manage SELinux 23 - COMPREHENSIVE REVIEW * Get a hands-on review of the concepts covered throughout the course

Duration 2 Days 12 CPD hours This course is intended for This course is recommended for technical professionals who automate, orchestrate, and troubleshoot Check Point secured environments. Overview Explain how automation and orchestration work together Understand the key drivers for incorporating automation and orchestration into security management Execute a shell script that demonstrates how to build a comprehensive Security Policy. Recognize how the Check Point API framework integrates with R80 Security Management to support automation and orchestration of daily tasks Describe Check Point API tools and demonstrate how they are used to manage Check Point Security Management solutions Demonstrate how to define new objects and modify existing ones by using the Check Point API The goal of this course is to provide an understanding of the advanced concepts and skills necessary to automate and orchestrate tasks relating to managing Check Point Security Policies COURSE OULINE * Explain how automation and orchestration work together * Understand the key drivers for incorporating automation and orchestration into security management * Execute a shell script that demonstrates how to build a comprehensive Security Policy. * Recognize how the Check Point API framework integrates with R80 Security Management to support automation and orchestration of daily tasks * Describe Check Point API tools and demonstrate how they are used to manage Check Point Security Management solutions * Demonstrate how to define new objects and modify existing ones by using the Check Point API * Demonstrate how to create API commands to efficiently maintain the Check Point Security Management Server database * Demonstrate how to use different methods to update the database with API commands * Become familiar with client-side and server-side scripting and scripting languages * Understand how to use the Bash shell to develop APIs * Recognize and describe many of the open source tools that are available to assist with API development * Demonstrate how to use a custom REST application to update the database of a Security Management Server * Demonstrate how to use Postman to manage the Security Policy database through the Check Point API * Understand what steps to take to troubleshoot and debug API scripts * Demonstrate basic troubleshooting techniques by reviewing debugging messages in various forms * Understand how to use self-service portal capabilities to provide general IT services * Recognize how automation tools work with Check Point APIs to automate security management tasks and orchestrate workflow behind service portals * Demonstrate common tasks that are automated in a Web portal to manage the Security Policy LAB EXERCISES * Demonstrate Check Point automation and orchestration * Manage objects using the Check Point API * Create a management API shell script * Use a variety of methods to execute API commands * Use a custom REST tool for API calls * Use Postman for API calls * Debug the Check Point management API * Automate tasks using a Check Point API enabled Web portal ADDITIONAL COURSE DETAILS: Nexus Humans CCAS Check Point Certified Automation Specialist training program is a workshop that presents an invigorating mix of sessions, lessons, and masterclasses meticulously crafted to propel your learning expedition forward. This immersive bootcamp-style experience boasts interactive lectures, hands-on labs, and collaborative hackathons, all strategically designed to fortify fundamental concepts. Guided by seasoned coaches, each session offers priceless insights and practical skills crucial for honing your expertise. Whether you're stepping into the realm of professional skills or a seasoned professional, this comprehensive course ensures you're equipped with the knowledge and prowess necessary for success. While we feel this is the best course for the CCAS Check Point Certified Automation Specialist course and one of our Top 10 we encourage you to read the course outline to make sure it is the right content for you. Additionally, private sessions, closed classes or dedicated events are available both live online and at our training centres in Dublin and London, as well as at your offices anywhere in the UK, Ireland or across EMEA.

Duration 5 Days 30 CPD hours This course is intended for System architects and system administrators Overview By the end of the course, you should be able to meet the following objectives: Introduce troubleshooting principles and procedures Use command-line interfaces, log files, and the vSphere Client to diagnose and resolve problems in the vSphere environment Explain the purpose of common vSphere log files Identify networking issues based on reported symptoms Validate and troubleshoot the reported networking issue Identify the root cause of networking issue Implement the appropriate resolution to recover from networking problems Analyze storage failure scenarios using a logical troubleshooting methodology identify the root cause of storage failure Apply the appropriate resolution to resolve storage failure problems Troubleshoot vSphere cluster failure scenarios Analyze possible vSphere cluster failure causes Diagnose common VMware vSphere High Availability problems and provide solutions Identify and validate VMware ESXiTM host and VMware vCenter problems Analyze failure scenarios of ESXi host and vCenter problems Select the correct resolution for the failure of ESXi host and vCenter problems Troubleshoot virtual machine problems, including migration problems, snapshot problems, and connection problems Troubleshoot performance problems with vSphere components This five-day training course provides you with the knowledge, skills, and abilities to achieve competence in troubleshooting the VMware vSphere© 8 environment. This course increases your skill level and competence in using the command-line interface, VMware vSphere© Client?, log files, and other tools to analyze and solve problems. COURSE INTRODUCTION * Introductions and course logistics * Course objectives INTRODUCTION TO TROUBLESHOOTING * Define the scope of troubleshooting * Use a structured approach to solve configuration and operational problems * Apply troubleshooting methodology to logically diagnose faults and improve troubleshooting efficiency TROUBLESHOOTING TOOLS * Discuss the various methods to run commands * Discuss the various ways to access ESXi Shell * Use commands to view, configure, and manage your vSphere components * Use the vSphere CLI * Use ESXCLI commands from the vSphere CLI * Use Data Center CLI commands * Identify the best tool for command-line interface troubleshooting * Identify important log files for troubleshooting vCenter Server and ESXi * Describe the benefits and capabilities of VMware SkylineTM * Explain how VMware Skyline works * Describe VMware SkylineTM Health * Describe VMware Skyline AdvisorTM TROUBLESHOOTING VIRTUAL NETWORKING * Analyze and troubleshoot standard switch problems * Analyze and troubleshoot virtual machine connectivity problems * Analyze and troubleshoot management network problems * Analyze and troubleshoot distributed switch problems TROUBLESHOOTING STORAGE * Discuss the vSphere storage architecture * Identify the possible causes of problems in the various types of datastores * Analyze the common storage connectivity and configuration problems * Discuss the possible storage problems causes * Solve the storage connectivity problems, correct misconfigurations, and restore LUN visibility * Review vSphere storage architecture and functionality necessary to troubleshoot storage problems * Use ESXi and Linux commands to troubleshoot storage problems * Analyze log file entries to identify the root cause of storage problems * Investigate ESXi storage issues * Troubleshoot VM snapshots * Troubleshoot storage performance problems * Review multipathing * Identify the common causes of missing paths, including PDL and APD conditions * Solve the missing path problems between hosts and storage devices TROUBLESHOOTING VSPHERE CLUSTERS * Identify and troubleshoot vSphere HA problems * Analyze and solve vSphere vMotion problems * Diagnose and troubleshoot common vSphere DRS problems TROUBLESHOOTING VIRTUAL MACHINES * Discuss virtual machine files and disk content IDs * Identify, analyze, and solve virtual machine snapshot problems * Troubleshoot virtual machine power-on problems * Identify possible causes and troubleshoot virtual machine connection state problems * Diagnose and recover from VMware Tools installation failures TROUBLESHOOTING VCENTER SERVER AND ESXI * Analyze and solve vCenter Server service problems * Diagnose and troubleshoot vCenter Server database problems * Use vCenter Server Appliance shell and the Bash shell to identify and solve problems * Identify and troubleshoot ESXi host problems

Duration 5 Days 30 CPD hours This course is intended for This course is geared toward Windows system administrators, network administrators, and other system administrators who are interested in supplementing current skills or backstopping other team members, in addition to Linux system administrators who are responsible for these tasks: Configuring, installing, upgrading, and maintaining Linux systems using established standards and procedures, Providing operational support, Managing systems for monitoring system performance and availability, Writing and deploying scripts for task automation and system administration, You will be expected to already understand fundamental Linux computing concepts and be ready to practice the Red Hat Enterprise Linux methods for performing system administration tasks. Significant field experience working with Linux as a system administrator is recommended. If you do not have experience with fundamental Linux computer concepts, we advise you to start with the Red Hat System Administration I (RH124) course instead. Overview You should be able to demonstrate these skills: - Access the command line locally and remotely - Manage files from the command line - Manage local users and groups - Monitor and manage Linux processes - Control services, daemons, and the boot process - Manage tuning profiles for system performance - Control access to files with file system permissions - Analyze and store log files - Configure and secure the OpenSSH service - Install and update software packages and appstreams - Manage Linux file systems and volumes - Manage Linux networking and firewalls This course combines the foundations and applications established and covered in Red Hat System Administration I (RH124) and Red Hat System Administration II (RH134). The rapid pace of review and consolidated course timeline allow you to focus on practical application, making this offering best suited for you if you already have significant experience with Linux© administration. This course is based on Red Hat© Enterprise Linux 8. 1 - ACCESSING THE COMMAND LINE * Log in to a Linux system and run simple commands using the shell. 2 - MANAGING FILES FROM THE COMMAND LINE * Work with files from the bash shell prompt. 3 - MANAGING LOCAL LINUX USERS AND GROUPS * Manage Linux users and groups and administer local password policies. 4 - CONTROLLING ACCESS TO FILES WITH LINUX FILE SYSTEM PERMISSIONS * Set access permissions on files and interpret the security effects of different permission settings. 5 - MANAGING SELINUX SECURITY * Use SELinux to manage access to files and interpret and troubleshoot SELinux security effects. 6 - MONITORING AND MANAGING LINUX PROCESSES * Monitor and control processes running on the system. 7 - INSTALLING AND UPDATING SOFTWARE PACKAGES * Download, install, update, and manage software packages from Red Hat and yum package repositories. 8 - CONTROLLING SERVICES AND DAEMONS * Control and monitor network services and system daemons using systemd. 9 - MANAGING RED HAT ENTERPRISE LINUX NETWORKING * Configure basic IPv4 networking on Red Hat Enterprise Linux systems. 10 - ANALYZING AND STORING LOGS * Locate and interpret relevant system log files for troubleshooting purposes. 11 - MANAGING STORAGE AND FILE SYSTEMS * Create and use disk partitions, logical volumes, file systems, and swap spaces. 12 - SCHEDULING SYSTEM TASKS * Schedule recurring system tasks using cron and systemd timer units. 13 - MOUNTING NETWORK FILE SYSTEMS * Mount network file system (NFS) exports and server message block (SMB) shares from network file servers. 14 - LIMITING NETWORK COMMUNICATION WITH FIREWALLD * Configure a basic local firewall. ADDITIONAL COURSE DETAILS: Nexus Humans Red Hat RHCSA Rapid Track Course (RH199) training program is a workshop that presents an invigorating mix of sessions, lessons, and masterclasses meticulously crafted to propel your learning expedition forward. This immersive bootcamp-style experience boasts interactive lectures, hands-on labs, and collaborative hackathons, all strategically designed to fortify fundamental concepts. Guided by seasoned coaches, each session offers priceless insights and practical skills crucial for honing your expertise. Whether you're stepping into the realm of professional skills or a seasoned professional, this comprehensive course ensures you're equipped with the knowledge and prowess necessary for success. While we feel this is the best course for the Red Hat RHCSA Rapid Track Course (RH199) course and one of our Top 10 we encourage you to read the course outline to make sure it is the right content for you. Additionally, private sessions, closed classes or dedicated events are available both live online and at our training centres in Dublin and London, as well as at your offices anywhere in the UK, Ireland or across EMEA.

Duration 5 Days 30 CPD hours This course is intended for This is an introductory-level systems administration course geared for Systems Administrators and users who wish to learn how to how to install, configure and maintain an Enterprise Linux system in a networked environment. Overview This course is about 50% lab to lecture ratio, combining expert instructor-led discussions with practical hands-on skills that emphasize current techniques, best practices and standards. Working in this hands-on lab environment, guided by our expert practitioner, attendees will explore Installing the Linux operating system and configuring peripherals Performing and modifying startup and shutdown processes Configuring and maintaining basic networking services Creating and maintaining system users and groups Understanding and administering file permissions on directories and regular files Planning and creating disk partitions and file systems Performing maintenance on file systems Identifying and managing Linux processes Automating tasks with cron Performing backups and restoration of files Working with system log files Troubleshooting system problems Analyzing and taking measures to increase system performance Configuring file sharing with NFS Configuring Samba for file sharing with the Windows clients Setting up a basic Web server Understanding the components for setting up a LAMP server Implementing basic security measures Linux System Administration is a comprehensive hands-on course that teaches students how to install, configure and maintain an Enterprise Linux system in a networked environment. This lab-intensive class explores core administrative tasks such as: creating and managing users, creating and maintaining file systems, determining and implementing security measures and performing software installation and package management. Linux networking topics include installing and supporting SSH, NFS, Samba and the Apache Web server. Students will explore common security issues, as well as several tools, such as the PAM modules that help secure the operating system and network environment. Upon successful completion of this course, students will be prepared to maintain Linux systems in a networked business environment. Although the course includes installing and configuring a CentOS 7 / RHEL 7 Linux system, much of the course content also applies to Oracle, Ubuntu, Scientific and other current versions of mainstream Linux distributions. Labs include user and group maintenance, system backups and restoration, software management, administration tasks automation, file system creation and maintenance, managing remote access, working with cron, and configuring basic file sharing and Web services, as well as working with system logging utilities such as rsyslog and much more. SYSTEM ADMINISTRATION OVERVIEW * UNIX, Linux and Open Source * Duties of the System Administrator * Superusers and the Root Login * Sharing Superuser Privileges with Others (su and sudo Commands) * TCP/IP Networking Fundamentals * Online Help INSTALLATION AND CONFIGURATION * Planning: Hardware and Software Considerations * Site Planning * Installation Methods and Types * Installation Classes * Partitions * Logical Volume Manager - LVM * File System Overview * Swap Partition Considerations * Other Partition Considerations * The Linux Boot Loader: grub * Software Package Selection * Adding and Configuring Peripherals * Printers * Graphics Controllers * Basic Networking Configuration * Booting to Recovery Mode BOOTING AND SHUTTING DOWN LINUX * Boot Sequence * The systemd Daemon * The systemctl Command * Targets vs. Run Levels * Modifying a Target * Service Unit Scripts * Changing System States * Booting into Rescue Mode * Shutdown Commands MANAGING SOFTWARE AND DEVICES * Identifying Software Packages * Using rpm to Manage Software * Using yum to Manage Software * Installing and Removing Software * Identifying Devices * Displaying Device and System Information (PCI, USB) * Plug and Play Devices * Device Configuration Tools MANAGING USERS AND GROUPS * Setting Policies * User File Management * The /etc/passwd file * The /etc/shadow file * The /etc/group file * The /etc/gshadow file * Adding Users * Modifying User Accounts * Deleting User Accounts * Working with Groups * Setting User Environments * Login Configuration Files THE LINUX FILE SYSTEM * Filesystem Types * Conventional Directory Structure * Mounting a File System * The /etc/fstab File * Special Files (Device Files) * Inodes * Hard File Links * Soft File Links * Creating New File Systems with mkfs * The lost+found Directory * Repairing File Systems with fsck * The Journaling Attribute * File and Disk Management Tools LINUX FILE SECURITY * File Permissions * Directory Permissions * Octal Representation * Changing Permissions * Setting Default Permissions * Access Control Lists (ACLs) * The getfacl and setfacl commands * SUID Bit * SGID Bit * The Sticky Bit CONTROLLING PROCESSES * Characteristics of Processes * Parent-Child Relationship * Examining Running Processes * Background Processes * Controlling Processes * Signaling Processes * Killing Processes * Automating Processes * cron and crontab * at and batch * System Processes (Daemons) WORKING WITH THE LINUX KERNEL * Linux Kernel Components * Types of Kernels * Kernel Configuration Options * Recompiling the Kernel SHELL SCRIPTING OVERVIEW * Shell Script Fundamentals * Bash Shell Syntax Overview * Shell Script Examples SYSTEM BACKUPS * Backup Concepts and Strategies * User Backups with the tar Command * System Backup Options * The xfsdump and xfsrestore Commands TROUBLESHOOTING THE SYSTEM * Common Problems and Symptoms * Troubleshooting Steps * Repairing General Boot Problems * Repairing the GRUB 2 Boot Loader * Hard Drive Problems * Restoring Shared Libraries * System Logs and rsyslogd BASIC NETWORKING * Networking Services Overview * NetworkManager Introduction * Network Configuration Files Locations and Formats * Enabling and Restarting Network Services with systemtcl * Configuring Basic Networking Manually * Configuring Basic Networking with NetworkManager LAMP SERVER BASICS * LAMP Overview * Configuring the Apache Web Server * Common Directives * Apache Virtual Hosting * Configuring an Open Source Database * MySQL * MariaDB * PHP Basics * Perl CGI Scripting INTRODUCTION TO SYSTEM SECURITY * Security Overview * Maintaining System Security * Server Access * Physical Security * Network Security * Security Tools * Port Probing with nmap * Intrusion Detection and Prevention * PAM Security Modules * Scanning the System * Maintaining File Integrity * Using Firewalls * Introduction to firewalld THE SAMBA FILE SHARING FACILITY * Configure Samba for Linux to Linux/UNIX File Sharing * Configure Samba for Linux to Windows File Sharing * Use the smbclient Utility to Transfer Files * Mount/Connect Samba Shares to Linux and Windows Clients NETWORKED FILE SYSTEMS (NFS) * Using NFS to Access Remote File Systems * Configuring the NFS Server * Configuring the NFS Client * Exporting File Systems from the NFS Server to the NFS Client