Linux Course in Bangalore

The Linux course mainly covers two main courses:

• Red Hat Systems Administrator: RHCSA (RedHat Linux Fundamentals)
• Red Hat Certified Engineer: RHCE (Ansible Automation Tool)

The details of both of these courses are mentioned as follows:

• Red Hat Systems Administrator: RHCSA (RedHat Linux Fundamentals):

Module 1: Understand and use essential tools

• Get started with RedHat Linux and Commands

• Access a shell prompt and issue commands with correct syntax
• Use input-output redirection (>, >>, |, 2>, etc.)
• Use grep and regular expressions to analyze text
• Access remote systems using SSH
• Log in and switch users in multiuser targets
• Archive, compress, unpack, and uncompress files using tar, star, gzip, and bzip2
• Create and edit text files
• Create, delete, copy, and move files and directories
• Create hard and soft links
• List, set, and change standard ugo/rwx permissions
• Locate, read, and use system documentation including man, info, and files in /usr/share/doc

• Create simple shell scripts

• Conditionally execute code (use of: if, test, [], etc.)
• Use Looping constructs (for, etc.) to process file, command line input
• Process script inputs ($1, $2, etc.)
• Processing output of shell commands within a script

Module 2: Operate running systems

• Boot, reboot, and shut down a system normally
• Boot systems into different targets manually
• Interrupt the boot process in order to gain access to a system
• Identify CPU/memory intensive processes and kill processes
• Adjust process scheduling
• Manage tuning profiles
• Locate and interpret system log files and journals
• Preserve system journals
• Start, stop, and check the status of network services
• Securely transfer files between systems

Module 3: Configure Local Storage and File Systems

• Configure local storage

• List, create, and delete partitions on MBR and GPT disks
• Create and remove physical volumes
• Assign physical volumes to volume groups
• Create and delete logical volumes
• Configure systems to mount file systems at boot by universally unique ID (UUID) or label
• Add new partitions and logical volumes, and swap to a system non-destructively

• Create and configure file systems
• Create, mount, unmount, and use vfat, ext4, and xfs file systems
• Mount and unmount network file systems using NFS
• Configure autofs
• Extend existing logical volumes
• Create and configure set-GID directories for collaboration
• Diagnose and correct file permission problems

Module 4: Deploy, Configure and Manage 

• Deploy, configure, and maintain systems

• • Schedule tasks using at and cron
  • Start and stop services and configure services to start automatically at boot
  • Configure systems to boot into a specific target automatically
  • Configure time service clients
  • Install and update software packages from Red Hat Network, a remote repository, or from the local file system
  • Modify the system bootloader

• Manage basic networking

• Configure IPv4 and IPv6 addresses
• Configure hostname resolution
• Configure network services to start automatically at boot
• Restrict network access using firewall-cmd/firewall

• Manage users and groups

• Create, delete, and modify local user accounts
• Change passwords and adjust password aging for local user accounts
• Create, delete, and modify local groups and group memberships
• Configure superuser access

• Manage security

• Configure firewall settings using firewall-cmd/firewalld
• Manage default file permissions
• Configure key-based authentication for SSH
• Set enforcing and permissive modes for SELinux
• List and identify SELinux file and process context
• Restore default file contexts
• Manage SELinux port labels
• Use boolean settings to modify system SELinux settings
• Diagnose and address routine SELinux policy violations

• Manage containers

• Find and retrieve container images from a remote registry
• Inspect container images
• Perform container management using commands such as podman and skopeo
• Build a container from a Container file
• Perform basic container management such as running, starting, stopping, and listing running containers
• Run a service inside a container
• Configure a container to start automatically as a system service
• Attach persistent storage to a container

• Red Hat Certified Engineer: RHCE (Ansible Automation Tool):

Module 1: Be able to perform all tasks expected of a Red Hat Certified System Administrator

• Introduction to Red Hat Linux
• Understand and use essential tools
• Operate running systems
• Configure local storage
• Create and configure file systems
• Deploy, configure, and maintain systems
• Manage users and groups
• Manage security

Module 2: Understand the Core Components of Ansible

• Introduction to Ansible

• Inventories
• Modules
• Variables
• Facts
• Loops
• Conditional tasks
• Plays
• Handling task failure
• Playbooks
• Configuration files
• Use provided documentation to look up specific information about Ansible modules and commands

• Use roles and Ansible Content Collections

• Create and work with roles
• Install roles and use them in playbooks
• Install Content Collections and use them in playbooks
• Obtain a set of related roles, supplementary modules, and other content from content collections, and use them in a playbook.

Install and configure an Ansible control node

• Install required packages
• Create a static host inventory file
• Create a configuration file
• Create and use static inventories to define groups of hosts

4. Configure Ansible-managed nodes

• Create and distribute SSH keys to managed nodes
• Configure privilege escalation on managed nodes
• Deploy files to managed nodes
• Be able to analyze simple shell scripts and convert them to playbooks

Module 3: Script administration tasks and Playbooks

• Create Ansible plays and playbooks

• Know how to work with commonly used Ansible modules
• Use variables to retrieve the results of running a command
• Use conditionals to control play execution
• Configure error handling
• Create playbooks to configure systems to a specified state

Module 4: Ansible Modules, Roles and Features

• Use Ansible modules for system administration tasks that work with:

• Software packages and repositories
• Services
• Firewall rules
• File systems
• Storage devices
• File content
• Archiving
• Scheduled tasks
• Security
• Users and groups

• Manage content

• Create and use templates to create customized configuration files
• Use Ansible Vault in playbooks to protect sensitive data