A Linux administrator, often referred to as a sysadmin, plays a pivotal role in the effective operation of Linux-based systems. These professionals are responsible for the installation, configuration, maintenance, and troubleshooting of Linux servers and networks. Linux admins possess a deep understanding of the Linux operating system and command line interface, enabling them to perform tasks such as user management, software installation, and system optimization. They also focus on system security, implementing measures to safeguard against potential threats and ensuring compliance with organizational policies.

Aarush IT's Linux Admin online training is a comprehensive and tailored program designed to equip participants with the skills and expertise necessary for proficient Linux system administration. The course covers a range of topics, including Linux installation, configuration, user management, networking, and security. Aarush IT employs experienced instructors who guide participants through hands-on exercises and real-world scenarios, ensuring a practical understanding of Linux administration concepts. The online format allows for flexibility, enabling learners to access the coursework from anywhere, making it suitable for individuals seeking to enhance their skills or professionals aiming to specialize in Linux system administration. Aarush IT's commitment to delivering high-quality education in the field of Linux administration makes this online training an excellent choice for those looking to excel in managing Linux-based environments.

Linux Admin Online Training Course Content

Linux basic concepts & installations

• Installation in Standalone Machine
• Installation through NFS
• Installation through FTP
• Installation through HTTP
• Installation through KICKSTART

File system management

• Creation of File Systems
• Understanding EXT2, EXT3& EXT4 File Systems
• Converting Ext2 to Ext3 file systems
• Reverting back from Ext3 to Ext2 files systems
• Understanding fdisk,e2label, mount, umount commands
• Understanding fstab and mtab files
• Troubleshooting

User management

• Understanding different types of groups and creation of groups
• Creation of users in different groups
• Understanding Passwd, Shadow Files
• Understanding passwd aging
• Creation of quotas for users, groups and file systems
• Understanding users security files
• The different commands for Monitoring the users
• Troubleshooting

Run Levels

• Understanding the different types of run-levels
• Understanding different types of shutdown commands
• Understanding run control scripts
• Understanding the different types

Network File System (NFS)

• Understanding NFS server and NFS clients
• Understanding daemons and files in NFS
• Configuring NFS server and different NFS clients
• Configuration of autofs, NFS security

File Transfer Protocol

• Understanding the features and advantages of FTP server
• Configuring FTP server and FTP clients
• Configuring FTP server for anonymous and real users with download and upload permissions
• Configuring FTP user access, FTP security
• Understanding FTP Basic Commands
• Configuring of anonymous FTP Server

XINETD

• Understanding xinetd based and non xinetd based services
• Configuring xinetd based services
• Xinetd security

Tcp Wrapper

• Understanding TCP WRAPPER
• Configuring TCP WRAPPER for services

Domain Naming Service

• Understanding DNS service and different types of DNS servers
• Configuring DNS (master) DNS (Slave)
• Understanding & Configuring forward (DNS) and cache (DNS)of boot phases
• Understanding different types of files when the system is booting
• Troubleshooting

Logical Volume Manager (LVM)

• Creation of file systems and converting into LVM
• Creation of physical partitions
• Creation of volume groups
• Creation of logical partitions
• Extending the volume group
• Extending the logical partitions

Package Manager (RPM)

• Understanding the features and advantages of RPM
• Installation of RPM packages
• Upgradation of RPM
• Verification of RPM
• Querying , Troubleshooting

Backup and Recovery

• Understanding different types of file system backup
• Understanding different types of files backups
• Understanding different types of file system backups
• Understanding different types of dump levels
• Understanding monthly, weekly, daily backups
• Different types of backup strategies

Automation of Jobs

• At Jobs
• Cron Jobs

Network Information Service

• Understanding NIS and daemons at NIS (Server, Slave and Clients)
• Configuring NIS (master), NIS (slave) and NIS clients in heterogeneous environments
• Integrating NIS (master and slave) with NFS Server

Dynamic Host Configuration Protocol

• Understanding DHCP
• Configuring DHCP server for different DHCP clients

APACHE

• Understanding APACHE
• Configuring APACHE web server with virtual hosting
• Configuring APACHE web server with IP BASED, HOST BASED and PORT BASED
• Configuring member logins for APACHE web server

SAMBA

• Understanding the features and advantages of SAMBA server
• Configuring SAMBA for heterogeneous environment
• Sharing the resources between unix to unix using SAMBA
• Sharing the resources between windows to unix (vice-versa)
• SAMBA security

SQUID

• Understanding SQUID proxy
• Configuring SQUID proxy with ACL

Raid Levels

• Understanding RAID LEVELS
• Configuring different types of RAID LEVELS (0,1and 5)