Linux Administration

Public Batch:22-Mar-25 Microsoft Security, Compliance, and Identity Fundamentals

Linux OS Administration

use essential tools

Operate running systems

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

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

Configure local storage

Operate running systems

Create and configure file systems

· List, create, 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

Deploy, configure, and maintain Systems

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

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 OEM Network, a remote repository, or from the local file system
· Modify the system bootloader

Manage Basic Networking

Deploy, configure, and maintain Systems

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

Manage Users and Groups

· Configure firewall settings using firewall-cmd/firewalld
· Manage default file permissions
· Configure key-based authentication for SSH
Configure SeamLess/KeyLess Authentication

.Manage SeLinux

Manage Users and Groups

.Manage SeLinux

· 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

Linux OS Administration

use essential tools

Operate running systems

Operate running systems

Operate running systems

Operate running systems

Operate running systems

Configure local storage

Operate running systems

Create and configure file systems

Create and configure file systems

Deploy, configure, and maintain Systems

Create and configure file systems

Deploy, configure, and maintain Systems

Deploy, configure, and maintain Systems

Deploy, configure, and maintain Systems

Manage Basic Networking

Deploy, configure, and maintain Systems

Deploy, configure, and maintain Systems

Manage Users and Groups

Manage Users and Groups

Manage Users and Groups

Manage Security

Manage Users and Groups

Manage Users and Groups

.Manage SeLinux

Manage Users and Groups

.Manage SeLinux

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