Linux Admin Certification Training

✔ History of UNIX & Linux
✔ Basic Concepts of Operating System

✔ File System of Linux Admin
✔ Creating, Removing, Copying, Moving files & Directories
✔ File Permissions

✔ Soft link & hard links
✔ Introduction to VIM
✔ Basic VIM workflow

✔ Using Grep
✔ Pipelines & Redirections Basic Regular Expressions

✔ Installation of Linux Graphically
✔ Kick Start Installation
✔ Network Installation (using ftp, NFS & HTTP)
✔ Combining kickstart & N/W installation
✔ Complete automated installation

✔ Creating & Deleting Users
✔ Modifying Users Profile
✔ Files related to User Administration
✔ Creating & Removing Groups
✔ Adding & Removing Users to Groups

✔ Applying File System Access Control List (ACL)
✔ Restricting a particular user to use a file or directory

✔ Basic SELinux Security Concepts
✔ SELinux Models
✔ Display & Modify SELinux Models
✔ Display & Modify SELinux File Context

✔ Diff type of FS like ext3,ext4,xfs etc
✔ Simple Partition & File System
✔ Managing Swap Space
✔ Increasing & Decreasing swap spaces
✔ Mounting a File system & Making it Permanent
✔ Exploring CDB and PDB databases

✔ Components of LVM
✔ Implementation of LVM Storage
✔ Creating Volume Groups & Logical Volumes
✔ Extend a Logical Volume
✔ Extending & reducing a Volume Group
✔ FS Related issues in Real-time

✔ Introduction to Networking and Connections
✔ Understanding Network Configuration Files in 6&7
✔ Assigning IP Address
✔ Troubleshooting

✔ Using Cron jobs
✔ Restricting Users from using Cron jobs

✔ Introduction to firewall services
✔ Allowing a service/port in firewall
✔ Removing a service/port in firewall
✔ Saving and making the rules permanent in firewall

✔ Monitoring Processes
✔ Terminating & Governing Processes
✔ Setting up Priority of the Process
✔ usage of Top command

✔ Boot Process Repairing Boot Issues
✔ Real-time Boot issues

✔ Dealing with SE Linux to recover root password
✔ Recovering the Superuser Password
✔ Recovering Boot Loader

✔ Introduction to systemctl command
✔ Starting, stopping, reloading & refreshing service
✔ Managing Services
✔ Confirm Service Availability

✔ Using SSH
✔ Generating Keys
✔ Copying Pub Keys using “ssh-copyid” command
✔ Password Less Logging between two Systems

✔ Sync data between two servers using encryption
✔ Usage of dry-run in rsync

✔ Configuring SUDO
✔ Limiting SUDO Users
✔ Checking logs of SUDO users, Real-time issues & usage.

✔ Backup of data using tar
✔ Applying gzip on tar file
✔ Uncompressing tar and gzip files

✔ Using rmp command
✔ Using yum command
✔ creating yum repository
✔ configuring yum server
✔ configuring yum clients

✔ Using FTP
✔ Restricting Users for FTP

✔ Demons and workflow of NFS demons
✔ Configuring NFS server
✔ Mounting NFS Directory on Clients
✔ Automounting NFS

✔ Configuring SAMBA service for file sharing with Windows
✔ Connecting SAMBA server from Windows Clienta

✔ Configuring DNS server
✔ Integrating DSN server with clients

✔ Configuring Apache webserver
✔ Redirecting the website
✔ Virtual web hosting
✔ Port-Based web hosting
✔ Name-based web hosting

✔ Configuring Postfix for sending the mails
✔ Configuring Dovecot for receiving the mails
✔ Testing the mail flow

✔ Squid Proxy
✔ Configuring squid proxy for internet sharing
✔ blocking unwanted websites
✔ Changing the default port of the proxy
✔ DHCP Server
✔ Configuring DHCP server
✔ Creating scopes and ranges
✔ Client-side integration