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Prepare to pass the CompTIA Linux+ certification exam (XKO-004). Review each of the key topics covered on the test, including configuration, security, and troubleshooting.
Looking to showcase your Linux skill set to potential employers? Earning the CompTIA Linux+ certification can go a long way in proving your expertise. This popular, job-based certification is even required by many employers as a base requirement for administering Linux servers. In this course, Grant McWilliams helps you prepare to pass the CompTIA Linux+ certification exam: XKO-004. This version of the exam was introduced in 2019 and replaces the LX0-103 and LX0-104 exams. Throughout this course, Grant goes over each of the key topics covered in exam XKO-004, including configuration, security, and troubleshooting. Along the way, he provides references to focused courses in our library that provide more in-depth coverage of the subjects covered on this exam.We are a CompTIA Partner. As such, we are able to offer CompTIA exam vouchers at a 10% discount. For more information on how to obtain this discount, please download these PDF instructions.
Overview
Syllabus
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Introduction
- Prepare for the CompITA Linux+ certification
- What you should know
- About the Linux+ XKO-004 Exam
- CentOS 7 install
- CentOS 7 lab setup
- Ubuntu 19.04 install
- Understand the Linux bootup process
- Boot into the emergency target
- Update the kernel
- Manage kernel modules
- Configure live network connections
- Configure networking using files on Enterprise Linux
- Configure networking using NetworkManager
- Configure interface bonding
- List, create, and delete partitions on MBR and GPT disks
- Create partitions using parted
- Resize partitions without losing data
- Manage LVM volumes and Volume Groups
- Extend existing logical volumes
- Reduce existing logical volumes
- Replace a physical volume
- Create EXT filesystems
- Repair EXT filesystems
- Create and repair XFS filesystems
- MDRAID or DMRAID?
- Create a RAID 5 using LVM
- Creating RAIDs using mdadm
- Back up and restore an EXT filesystem
- Linux software management systems
- YUM overview
- Get package information with RPM
- Manage software with YUM
- Manage software groups with YUM
- Work with YUM repositories
- Get package information with dpkg and APT
- Manage software with dpkg and APT
- Work with APT repositories
- Install software from source
- Create and delete local user accounts
- Modify local user accounts
- Explain server roles
- Compare cloud and virtualization concepts
- Types of hypervisors
- Virtual host initialization and storage
- Locale and date tools
- Introduction to systemd services
- Get systemd service status
- Manage systemd services
- Make systemd services persistent
- Manage sysvinit services
- Manage one-time jobs with AT
- Manage reoccurring user jobs with cron
- Manage reoccurring system jobs with cron
- Explore Linux desktop choices
- GUI remote access
- Graphical server types
- Console redirection with SSH port forwarding
- Understand file system paths
- Create files and dirs
- Copy files and dirs
- Move and rename files and dirs
- Remove files and dirs
- Create links to files and dirs
- An introduction to Vim
- Edit text in Vim
- Search and replace in Vim
- Named and unnamed Pipes
- Use input-output redirection (>, >>, |, 2>, etc.)
- Find files using Locate
- Finding files with Find
- Use grep and regular expressions to analyze text
- Archive files
- Compress files
- What is a file?
- Get file attributes
- Get extended attributes
- File and directory modes
- File ownership
- Set permissions using numeric method
- Set permissions using symbolic method
- Default permissions using umask
- Special file bits: SUID and SGID
- Special directory bits: SGID and Sticky
- Read access control lists
- Set access control lists
- Configure inheritance with default access control lists
- Delete access control lists
- List and identify SELinux file and process context
- Restore SELinux default file contexts
- Use Booleans to modify SELinux behavior
- Diagnose routine SELinux policy violations
- Maintaining security context when managing files
- Using AppArmor
- Configure access and authentication using PAM
- Using pam_tally2
- Change default password policies
- Lock user accounts and change password aging
- Implementing SSH keypairs for authentication
- Deny access using TCP Wrappers
- Restrict access to TTY consoles
- Summarize security best practices
- Compare and contrast Linux firewalls
- Use firewalld for packet filtering
- Use firewalld zones
- Use firewalld for NAT
- Create dynamic rules
- Locate and interpret system log files
- Reading the system journal
- Rsyslog filters
- Rsyslog actions
- Rotating log files
- Backup and restore an EXT filesystem
- Archiving files with tar and cpio
- Compressing files
- Monitor the network and remediate
- Analyze system processes and optimize
- Troubleshoot applications and hardware
- Troubleshoot DNS client issues
- Installing Git on Fedora/CentOS
- Configuring Git
- Creating a local repository
- Committing and adding files
- Creating branches
- Merging branches
- Creating a GitHub repository
- Cloning a remote GitHub repository
- Get and push to a remote repository
- What makes a shell script a shell script
- Positional arguments
- File globbing
- Wildcards
- Bash variable scope
- Outputting to STDOUT and STDERR
- Pipe data into a script
- Conditional flow with if, then if
- Conditional flow with case
- Numeric conditions
- String conditions
- File conditions
- For loop
- While loop
- Utilize configuration management systems
- Infrastructure and build automation
- Taking the exam
