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Online Course On Redhat Linux Administration

By:Sunny Sudershan

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Not Scheduled Yet

Course Id :247

Details

Red Hat Enterprise Linux (RHEL) is a Linux distribution developed by Red Hat and targeted toward the commercial market.This course will help us to understand and use essential tools

  • 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 ago/RW permissions
  • Locate, read, and use system documentation including man, info, and files in /user/share/doc

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
  • Identity CPU/memory intensive processes, adjust process priority with renice and kill processes
  • Locate and interpret system log files and journals
  • Access a virtual machine's console
  • Start and stop virtual machines
  • Start, stop and check the status of network services
  • Securely transfer files between systems

Configure local storage

  • List, create, delete partitions on MBR and GPT disks
  • Create and remove physical volumes, assign physical volumes to volume groups, and 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 fat, ext4, and NFS file systems
  • Mount and unmount CIFS and NFS network file systems
  • Extend existing logical volumes
  • Create and configure set-GID directories for collaboration
  • Create and manage Access Control Lists (ACLs)
  • Diagnose and correct file permission problems

Deploy, configure and maintain systems

  • Configure networking and hostname resolution statically or dynamically
  • Schedule tasks using at and can
  • Start and stop services and configure services to start automatically at boot
  • Configure systems to boot into a specific target automatically
  • Install Red Hat Enterprise Linux automatically using Kickstart
  • Configure a physical machine to host virtual guests
  • Install Red Hat Enterprise Linux systems as virtual guests
  • Configure systems to launch virtual machines at boot
  • Configure network services to start automatically at boot
  • Configure a system to use time services
  • Install and update software packages from Red Hat Network, a remote repository, or from the local file system
  • Update the kernel package appropriately to ensure a bootable system
  • Modify the system bootloader

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 a system to use an existing authentication service for user and group information

Manage security

  • Configure firewall settings using firewall-config, firewall-cmd, or tables
  • Configure key-based authentication for SSH
  • Set enforcing and permissive modes for SELinux
  • List and identify SELinux file and process context
  • Restore default files contexts
  • Use boolean settings to modify system SELinux settings
  • Diagnose and address routine SELinux policy violations

System configuration and management

  • Use network teaming or bonding to configure aggregated network links between two Red Hat Enterprise Linux systems
  • Configure IPv6 addresses and perform basic IPv6 troubleshooting
  • Route IP traffic and create static routes
  • Use firewalls 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 syscall to modify and set kernel runtime parameters
  • Configure a system to authenticate using Kerberos
  • Configure a system as either an iSCSI target or initiator that persistently mounts an iSCSI target
  • Produce and deliver reports on system utilization (processor, memory, disk, and network)
  • Use shell scripting to automate system maintenance tasks

Network services

Network services are an important subset of the exam objectives. RHCE candidates should be capable of meeting the following objectives for each of the network services listed below:

  • Install the packages needed to provide the service
  • Configure SELinux to support the service
  • Use SELinux port labeling to allow services to use non-standard ports
  • Configure the service to start when the system is booted
  • Configure the service for basic operation
  • Configure host-based and user-based security for the service

HTTP/HTTPS

  • Configure a virtual host
  • Configure access restrictions on directories
  • Deploy a basic CGI application
  • Configure group-managed content
  • Configure TLS security

DNS

  • Configure a caching-only name server
  • Troubleshoot DNS client issues

NFS

  • Provide network shares to specific clients
  • Provide network shares suitable for group collaboration
  • Use Kerberos to control access to NFS network shares

SMB

  • Provide network shares to specific clients
  • Provide network shares suitable for group collaboration

SMTP

  • Configure a system to forward all email to a central mail server

SSH

  • Configure key-based authentication
  • Configure additional options described in documentation

NTP

  • Synchronize time using other NTP peers

Database services

  • Install and configure MariaDB
  • Backup and restore a database
  • Create a simple database schema
  • Perform simple SQL queries against a database

Topics covered / Highlights

  • Understand and use essential tools for handling files, directories, command-line environments, and documentation
  • Operate running systems, including booting into different run levels, identifying processes, starting and stopping virtual machines, and controlling services
  • Configure local storage using partitions and logical volumes
  • Create and configure file systems and file system attributes, such as permissions, encryption, access control lists, and network file systems
  • Deploy, configure and maintain systems, including software installation, update, and core services
  • Manage users and groups, including use of a centralized directory for authentication
  • Manage security, including basic firewall and SELinux configuration
  • Configuring static routes, packet filtering, and network address translation
  • Setting kernel runtime parameters
  • Configuring an Internet Small Computer System Interface (iSCSI) initiator
  • Producing and delivering reports on system utilization
  • Using shell scripting to automate system maintenance tasks
  • Configuring system logging, including remote logging
  • Configuring a system to provide networking services, including HTTP/HTTPS, File Transfer Protocol (FTP), network file system (NFS), server message block (SMB), Simple Mail Transfer Protocol (SMTP), secure shell (SSH) and Network Time Protocol (NTP)

Who can attend this ?

Freshers and Working Experience

Pre requisites

RHCSA exam candidates should be able to accomplish the tasks below without assistance. These have been grouped into several categories.

RHCE exam candidates should be able to accomplish the following without assistance. These have been grouped into several categories.

What am I going to get from this Class ?

Computer Science with Any graduate.

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