System Admin Course

Basic Networking concepts, About proprietary and Open source software, About Linux, Duties of system administrator and Linux engineer. VI editor, Installation of Linux File system

Linux Directory Structure, about root user and normal user, remote connectivity using Putty, Kitty, VNC, RDP

Linux Boot process, Grub boot loader,systemctl domain, targets, Service management,Booting in rescue mode,single user mode, recover root password, setup grub password

Disk Portioning,formatting, Linux filesystem type ( ext2,ext3…), mounting filesystem, /etc/fstab, Journaling attributes, auto and manual mounting, file and disk management tools, the lost+found directory

Linux User Essential, user management, user roles default parameters, Ownership, working with groups, setting user environment, login configuration files, password essential, related security, /etc/nologin, superuser equivalent

Networking service overview, concept of IP,Subnet mask, Gateway and DNS , IP configuration, Multiple IP, range of IP, MAC address, network configuration file locations and format, routing table, Linux as a router, Network manager, Networking tools, Link status and other related commands.

Linux Permissions/ownership concept, traditional and octal method, Setting default permission ( UMASK), Special Permission ( SUID,SGID,Sticky bit), File and folder attributes, ACLs,Soft and Hard Links, Inode concepts.

One time automation (AT), Repetitive automation ( cron and anacron ), various examples, Maintenance scheduling, Backup and restore, Scheduling Security.

Basic Commands, Linux Monitoring Commands, Linux Important Commands, Yum Server

Shell Basics (Types of shells, Shell functionality Environment) Writing first script(Writing script & executing basic script, Debugging script, Making interactive scripts,Variables (default variables), Mathematical expressions) Conditional statements(If-else-elif, Test command,Logical operators-AND,OR,NOT, case –esac,Loops, While,For,Until, Break & continue) Command line arguments(Positional parameters, Set & shift, IFS, Break & continue) Functions & file manipulations (Processing file line by line,Functions) Regular Expression & Filters (What is regular expression, Grep,cut ,sort commands Grep patterns) SED & AWK Processes (Concept of process in Unix, Background processes, Scheduling processes -At, batch & Cron) Misc (rapping signals, String substitutions / manipulations)