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Recent Posts

  • Linux and Great Administrators

    Linux and Great Administrators

    Are you a good administrator or a great administrator? Great administrators typically move up in the organization quickly. Good administrators are valued but often have to escalate problems that they can’t solve simply because they don’t have the skill set …
  • Understanding Certificate Formats

    Understanding Certificate Formats

    If you’re planning to take the SY0-501 version of the Security+ exam, you should have a basic understanding of implementing public key infrastructure. This includes understanding certificate formats that provides the ability to establish a secure session. For example, can you …
  • Understanding Social Engineering Tactics

    Understanding Social Engineering Tactics

    Social engineers typically use one or more psychology-based principles to increase the effectiveness of their attacks. If you’re planning to take the SY0-501 version of the Security+ exam, you should have a good understanding of these principles and different social engineering …
  • Using Source and Destination Ports

    Using Source and Destination Ports

    Although ports are second nature to router and firewall administrators, they might not be so familiar to you. If you’re planning to take the SY0-501 version of the Security+ exam, you should have a basic understanding of ports. This includes using …
  • Protecting PII and PHI

    Protecting PII and PHI

    Data policies help protect Personally Identifiable Information (PII) and Personal Health Information (PHI) by helping to prevent data leakage. If you’re planning to take the SY0-501 version of the Security+ exam, you should have a basic understanding of different elements that …
  • Wireless Security Protocols

    Wireless Security Protocols

    Wireless security has improved over the years, but wireless networks are still susceptible to vulnerabilities. Unfortunately, many users just don’t understand how to lock down a wireless network adequately. If you’re planning to take the SY0-501 version of the Security+ exam, …
  • Identifying Common Commands

    Identifying Common Commands

    If you’re planning to take the SY0-501 version of the Security+ exam, you should have a basic understanding of common commands that you can run on your primary computer or within a virtual machine. The CompTIA Security+ objectives list several command-line …
  • Understanding Access Management Controls

    Understanding Access Management Controls

    If you’re planning to take the SY0-501 version of the Security+ exam, you should have a good understanding of identity and access management controls. For example, can you answer this question? Q. Your organization is implementing an SDN. Management wants to …
  • Tax Scams

    Tax Scams

    It’s tax season and you know that means. More tax scams. A neighbor recently reported that she received a phone call from someone stating she was from the Commonwealth of Virginia. The caller (let’s call her the scammer) said my …
  • Risk Assessment Methods

    Risk Assessment Methods

    If you’re planning to take the SY0-501 version of the Security+ exam, you should have a basic understanding of risk management processes and concepts. This includes risk assessment methods used by organizations to mitigate risks using different types of security controls. …
  • Comparing Labels and Lattice

    Comparing Labels and Lattice

    Access control ensures that only authenticated and authorized entities can access resources. If you’re planning to take the SY0-501 version of the Security+ exam, you should have a basic understanding of implementing identity and access management controls. This includes an access …
  • Neighbor Spoofing & Vishing

    Neighbor Spoofing & Vishing

    Criminals have increasingly used neighbor spoofing when launching vishing attacks. This apparently became popular in 2018 and has been steadily increasing. Vishing is a a type of phishing attack using phones. Phone spoofing is when a caller changes the number …
  • Encrypting & Decrypting Email

    Encrypting & Decrypting Email

    If you’re planning to take the SY0-501 version of the Security+ exam, you should have a basic understanding of the basic concepts of cryptography. This includes ensuring confidentiality of email by encrypting and decrypting email contents. For example, can you answer …
  • Understanding Cryptography Algorithms

    Understanding Cryptography Algorithms

    If you’re planning to take the SY0-501 version of the Security+ exam, you should have a good understanding of cryptography algorithms and their basic characteristics. This includes symmetric algorithms like AES, DES, 3DES, RC4, Blowfish/Twofish. For example, can you answer this …
  • HTTPS Transport Encryption

    HTTPS Transport Encryption

    If you’re planning to take the SY0-501 version of the Security+ exam, you should have a good understanding of basic cryptography concepts. This includes transport encryption methods used with HTTPS. For example, can you answer this question? Q. Network administrators in …

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CompTIA Security+: Get Certified Get Ahead: SY0-501 Study Guide

Linux and Great Administrators

Posted by on March 23 in Security+ | 0 comments

Are you a good administrator or a great administrator?

Great administrators typically move up in the organization quickly. Good administrators are valued but often have to escalate problems that they can’t solve simply because they don’t have the skill set to solve complex problems.

I have frequently told students that the difference between a good administrator and a great administrator is the ability to script. In the past, this has primarily translated into mastering the command line and creating batch files. However, it has increasingly included Linux commands too.

Windows commands are fairly easy to master because the Windows Command Prompt is readily available to anyone with a Windows system. If anyone wants to master them, they can launch the Command Prompt and dig in. The CompTIA Security+ Get Certified Get Ahead: SY0-501 Study Guide includes several labs using the command prompt.

In the past, it’s been difficult to get your hands on a Linux system to master those commands. However, it’s become much easier.

How to Get Linux

The simplest way to get Linux is to buy a bootable USB on Amazon. I wrote about that here providing more details. Once you have the USB, you can simply plug it into almost any computer and boot into Linux.

If you’re more adventurous and you have a USB at least 3 GB in size that you can format, you can also create your own. One way to do so is with Rufus, a free open source utility. Some people want detailed steps to follow so I included a detailed lab with the Linux+ study package. This lab will help you create a bootable USB with Kali Linux.

Linux and Security Certifications

Security certifications are increasingly requiring test takers to understand Linux and terminal commands.

As an example, the Security+ and CompTIA Advanced Security Practitioner (CASP+) certifications both list Linux distributions in the Proposed Hardware and Software List. More, both of these lists mention Kali Linux.

Security+ Practice Test Questions

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Over 300 realistic Security+ practice test questions

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Multiple quiz formats to let you use these questions based on the way you learn.
  • Learn mode - randomized. View each of the questions in random order. Learn mode allows you to keep selecting answers until you select the correct answer. Once you select the correct answer, you'll see the explanation. Click here to see how learn mode works.
  • Learn mode - not randomized. View each of the questions in the same order. Use this if you want to make sure that you see all of the questions. Learn mode allows you to keep selecting answers until you select the correct answer. Once you select the correct answer, you'll see the explanation. Click here to see how learn mode works.
  • Test mode - randomized. View each of the questions in random order. In test mode, you can only see the correct answers and explanations after you complete the test. Click here to see how test mode works.
  • Test mode - not randomized. View each of the questions in the same order. In test mode, you can only see the correct answers and explanations after you complete the test. Click here to see how test mode works.
  • Test mode - 75 random questions. View 75 random questions from the full test bank similar to how the Security+ exam has a potential maximum of 75 multiple choice questions. In test mode, you can only see the correct answers and explanations after you complete the test. Click here to see how test mode works.

Get the full bank of SY0-501 Practice Test Questions Here

 SY0-501 Practice Test Questions


INCLUDES QUESTIONS TO HELP YOU PREPARE

FOR THE NEW PERFORMANCE BASED QUESTIONS 

Bonus - Performance Based Questions

Three sets of performance-based questions including over 30 questions. These questions show you what you can expect in the live exam. They include drag and drop, matching, sorting, and fill in the blank questions. See a demo here.

Bonus - Extra Practice Test Questions

New multiple-choice questions in the extra test bank. Questions are added occasionally. You can see what has been added recently here.

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Click here if you're looking for SY0-501 Full Study Package

Why Kali Linux?

The reason is simple.

Kali Linux is a Linux distribution that includes a wealth of penetration testing and forensic applications. Security professionals use these to assess security in network environments and investigate security incidents. Attackers often use the same tools during attacks.

Kali Linux and Great Administrators
Kali Linux and the Terminal

Kali Linux was developed by Offensive Security. The kali.org web site mentions that the organization “was born out of the belief that the only real way to achieve sound defensive security is through an offensive mindset and approach.” In other words, learning how to use these tools with a mindset related to attacking, security professionals learn how to defend against attackers using the same tools.

It’s important to realize that Kali wasn’t created to help criminals launch attacks. Instead, it’s understood that the criminals have all of these tools and are using many of them aggressively. Kali gives security administrators the same tools in an easily accessible operating system.

Great administrators are familiar with Kali Linux and have mastered at least some of its tools.

Linux Commands For Great Administrators

What commands should you master after you get your bootable USB? Some basic commands include:

  • ls (short for list)
  • cp (short for copy)
  • mv (short for move)
  • man (short for manual)
  • passwd (used to change the password)
  • cat (concatenate or read and display file)
  • grep (short for global-regular-expression-print)

It’s also important to understand many of the operators such as:

  • Pipe (|)
  • Input (<)
  • Replace (>)
  • Append (>>)
  • Background (&)
  • And (&&)
  • Or (||)

The following list shows many of the more advanced commands worth investigating.

  • curl (copy URL)
  • dd (disk duplication)
  • du (show disk usage)
  • df (show disk space usage)
  • chmod (change permissions)
  • netstat (show network statistics)
  • fsck (file system consistency check)
  • route (show/change IP routing table)
  • traceroute (trace a route between two hosts)
  • watch (periodically repeat a command automatically)
  • mtr (combines the functionality of ping and traceroute)

The Linux+ study package mentions all of the above listed commands. You can also use Google to look up any of the commands and learn them.

Linux and Great Administrators

So the question now is, do you want to be a good administrator or a great administrator? Good administrators are valuable to any organization. However, great administrators often move up in an organization quicker. More, great administrators have learned at least some of the commands in both Windows and Linux.

CompTIA Security+ Get Certified Get Ahead: SY0-501 Study Guide

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