Linux Certification Test

Essential Commands - 25%

• Log into graphical and text mode consoles
• Search for files
• Evaluate and compare the basic file system features and options
• Compare, create and edit text files
• Compare binary files
• Use input-output redirection (e.g. >, >>, |, 2>)
• Analyze text using basic regular expressions
• Archive, backup, compress, unpack, and uncompress files
• Create, delete, copy, and move files and directories
• Create hard and soft links
• List, set, and change standard file permissions
• Read, and use system documentation
• Manage access to the root account

Operation of Running Systems - 20%

• Boot, reboot, and shut down a system safely
• Boot systems into different runlevels manually
• Install, configure and troubleshoot the bootloader
• Change the priority of a process
• Identify resource utilization by process
• Locate and analyze system log files
• Schedule tasks to run at a set date and time
• Verify completion of scheduled jobs
• Update software to provide required functionality and security
• Verify the integrity and availability of resources
• Verify the integrity and availability of key processes
• Change kernel runtime parameters, persistent and non-persistent
• Use scripting to automate system maintenance tasks
• Manage the startup process and services
• List and identify SELinux/AppArmor file and process contexts
• Configure and modify SELinux/AppArmor policies
• Install software from source

User and Group Management - 15%

• Create, delete, and modify local user accounts
• Create, delete, and modify local groups and group memberships
• Manage system-wide environment profiles
• Manage template user environment
• Configure user resource limits
• Manage user processes
• Configure PAM

Networking - 15%

• Configure networking and hostname resolution statically or dynamically
• Configure network services to start automatically at boot
• Implement packet filtering
• Configure firewall settings
• Start, stop, and check the status of network services
• Statically route IP traffic
• Dynamically route IP traffic
• Synchronize time using other network peers

Service Configuration - 10%

• Configure a basic DNS server
• Maintain a DNS zone
• Configure an FTP server
• Configure anonymous-only download on FTP servers
• Provide/configure network shares via NFS
• Provide/configure network shares via CIFS
• Configure email aliases
• Configure SSH servers and clients
• Configure SSH-based remote access using public/private key pairs
• Restrict access to the HTTP proxy server
• Configure an IMAP and IMAPS service
• Query and modify the behavior of system services at various run levels
• Configure an HTTP server
• Configure HTTP server log files
• Restrict access to a web page
• Diagnose routine SELinux/AppArmor policy violations
• Configure database server

Virtualization - 5%

• Configure a hypervisor to host virtual guests
• Access a VM console
• Configure systems to launch virtual machines at boot
• Evaluate memory usage of virtual machines
• Resize RAM or storage of VMs

Storage Management - 10%

• List, create, delete, and modify storage partitions
• Create, modify and delete Logical Volumes
• Extend existing Logical Volumes and filesystems
• Create and configure encrypted partitions
• Configure systems to mount file systems at or during boot
• Configure and manage swap space
• Add new partitions, and logical volumes
• Assemble partitions as RAID devices
• Configure systems to mount standard, encrypted, and network file systems on demand
• Create and manage filesystem Access Control Lists (ACLs)
• Diagnose and correct file permission problems
• Setup user and group disk quotas for filesystems