Learning objectives: The candidate will be going to learn about the following things under this chapter: Topics on essential networking tools needed. Package management, including installing, removing software along with updating the software. CMD’s for monitoring and processing the system. Topics: * Shutting down and rebooting the system * Installing and removing software * RPM verification * Using Yum * Configuring local repositories * The properties of a process * Killing processes and sending signals to a process * Monitor them * Adjust process priority * Statically or dynamically configure the networking and hostname resolution. * LAB * Quick Recap * Securing a single-user mode (SU login) * RPM Package Manager * RPM queries * About YUM * Searching packages/files * What process are? * Parent processes and child processes * How to start processes * Identify CPU/ Memory intensive processes * Start/stop/check the status of network services * Annie’s quizzes * Q and A

Learning Objectives: The following things a candidate will know at the end of this chapter: Manage services, essential files, directories, along configurations. Also will be knowing about essential data utilities that process the data. Topics: * Control Services and Daemons * Dev and proc directories * Awk * Use grep and regular emotions and expressions to analyze text. * Dump restore * Annie’s quizzes * Q and A * Stop and start and configure services to start automatic at boot. * System documentation under usr/share/doc * Sed * Archive, compress, pack and unpack and uncompress files using tar, star, gzip, and dzip2. * Locate and interpret log files * LAB * Quick recap

Learning Objectives: By the end of this chapter, the candidate will be knowing about the configuration of NTP services, how the schedule jobs work along with secure communication and copying of various files. Also, the X windows system. Topics: * Network time protocol * Cron, Controlling access to cron * Daily Cron Jobs * Schedule tasks using at * LAB * X windows * SSH: Secure Shell (remote access system using ssh, SCP, passwordless SSH, * Configure key-based authentication for SSH * Quick Recap * System Crontab file * Anacron scheduler * Annie’s quizzes * Q and A

Learning objectives: Under this chapter, you will learn about the administration of Linux users to become a Linux Professional. The candidate will also gain guidance on adding a new user account, modifying the existing account, deleting the current version, and discussions regarding the network users and permission regarding files strategies. Topics: * Adding a new user account * Group Administration * Switching accounts * Network users * SUID and SGID Executable * The sticky bit * Modify/ Delete the existing user account * Changing file ownership * Permissions on directories * Changing permissions * Annie’s quizzes * Q and A * User Private Groups * Password aging policies * Sudo access * Authentication configuration * SGID directories * Changing file group ownership * How permissions are applied * Access control lists * LAB * Quick recap

Learning Objectives: Under this chapter, the candidate will learn about idle system management, including mounting and unmounting and automatic strategies and ways. The candidate will gain detailed knowledge of file system security and an in-depth discussion about applying for permissions. Topics: * Device Recognition * Making file systems * File systems and types * tune2fs * Mounting file systems with Mount * Handling Swap files along with Partitions * NFS share for Group collaboration * Use Kerberos to control access to NFS network shares * Annie’s quizzes * Q and A * Disk Partitioning * Managing partitions * Labels * Unmounting file systems * NFS server and NFS client * Mounting NFS file systems * Quick Recap

Learning objectives: To explain the creation of the Quota system and repetition of Quota systems to candidates under this system. Topics: * Select file types, Symbolic links (ln -s), Inodes and directory entries * Hard links * Preserving links while copying and archiving * Configuring the Quota System * Setting Quotas for Users * Reporting Quota Status * What is Logical Volume Manager (LVM)? * Creating Logical Volumes * Resizing Logical Volumes, Network Interfaces * IPv4 Addresses * Dynamic IPv4 Configuration * Static IPv4 Configuration * Device Aliases * Routing Table * Default Gateway * Verify IP Connectivity * Defining the Local Host Name * Local Resolver * Remote Resolvers * Verify DNS Connectivity * Network Tools * NFS server and NFS Client * NFS share for group collaboration * Annie’s Quizzes * LAB * Q & A * Quick Recap.

Learning Objectives: Along with store logs and analysis, the candidates will learn about the two different types of Apache and DNS configurations. Topics: * Configure BIND to function as a caching-only DNS server * Configure a caching-only name server to forward DNS queries * Troubleshoot DNS client issues * Configuring BIND options * Configuring directory location for zone files * Apache Overview, Apache Server Configuration * Virtual Hosts * Apache Access Configuration * Deploy a basic CGI application * Configure TLS security * Configure private directories * Analyze and store logs * Annie’s Quizzes * LAB * Q & A

Learning Objectives: The candidate will be learning how to write shell scripts and configuring the Kerberos system. Topics: * Shell Scripting basics * Loops * Shell variables * Arrays * writing scripts * Kerberos authentication Annie’s Quizzes * LAB * Q & A * Quick Recap.

Learning Objectives: Shortly, the Samba service is known as SMB service, mail service is known as SMTP and also will gain knowledge about Linux Virtualization. Topics: * Configure SMB to provide network share to clients * Configure mail server to forward all emails to Central mail server * Introduction to KVM Virtualization * Virtual Machine installation * Configuring Virtual Machines * Install centos systems as virtual guests * Administer systems to launch virtual machines at boot * Annie’s Quizzes * LAB * Q & A * Quick Recap.

Learning Objectives: The candidates will come over new and advanced topics such as SElinux, Linux Containers, Aggregations, IPTables, and Bridging. Topics: * SELinux Overview * SELinux Tools * SELinux Contexts * SELinux Booleans * Use SELinux port labeling to enable services to use non-standard ports * Diagnose and address SELinux policy violations * Configure firewall settings * N/W port-security * Route IP traffic and create static routes * Boot level security (GRUB) * Security need for TCP wrappers * Configure aggregated links between two systems * Use firewall and associated mechanisms such as rich rules * zones and custom rules * To implement packet filtering and configure network address translation (NAT) * Use /proc/sys and system to modify and set kernel runtime parameters * Linux Containers * Annie’s Quizzes * LAB * Q & A * Quick Recap

Learning Objectives: By the end of this module, the candidate will know what MariaDB installation is and how to restore operations. They will gain the skill of performing the backup. Topics: * Install MariaDB * Schema Creation and Writing Queries * backup & restore operations * Configure a system as either an initiator that persistently mounts an iSCSI target or an iSCSI target * Annie’s Quizzes * LAB * Q & A * Quick Recap.

Learning objectives: Using various services, the candidate will learn about installing KickStart configurations and IPv6 configuration. Topics: * Ipv6 configuration * kickstart installation using NFS * HTTP services * Setting Grub Password * Setting the root password for single-user mode from the Grub page * Configure systems to mount file systems at boot by Universally Unique ID (UUID) or label * List, create, delete partitions on GPT and MBR disks.