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curl
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Basic curl usage and common use cases.
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OpenSSL
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Basic OpenSSL usage and common use cases.
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grep and egrep
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Basic grep and egrep usage and common use cases.
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awk
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Basic awk usage and common use cases.
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jq
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Basic jq usage and common use cases.
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cut
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Basic cut usage and common use cases.
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sort
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Basic sort usage and common use cases.
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Summarizing Events
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Basic event summarization from the web server logs.
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ss and netstat
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Basic ss and netstat usage and common use cases.
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tcpdump
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Basic tcpdump usage and common use cases.
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testssl.sh
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Basic testssl.sh usage and common use cases.
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base64
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Basic base64 usage and common use cases.
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hexdump and xxd
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Basic hexdump and xxd usage and common use cases.
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gzip
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Basic gzip usage and common use cases.
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CyberChef
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Basic CyberChef usage and common use cases.
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Syllabus
Syllabus
Course description
This course highlights some of the features on command-line utilities available on most distributions and how to use those tools for testing the web server state, performing transactions, finding and extracting info from the logs, generating basic reports, and if required, decoding the data from various formats. You’ll also review some of the CyberChef web application capabilities related to visualizing and decoding data.


Meet the author
Manuel earned a bachelor’s degree in Business Administration and Computer Systems Engineering at the Universidad Autonoma de Nuevo Leon in Mexico and a Master of Sciences in Information Security Engineering with focus on Incident Response at the SANS Technology Institute. He holds around 40 cybersecurity-related certifications.
He started working full-time in the information security field in early 2000. Since 2012, Manuel has worked as a security expert, including supporting over a thousand WAFs to protect a variety of web applications. Starting in 2016, Manuel committed part of his personal time to improve the OWASP ModSecurity Core Rule Set, becoming an active rule developer. Since then he has contributed numerous new rules, fixed false positives and false negatives and assisted with many other improvements.
Associated NICE Work Roles
All Infosec training maps directly to the NICE Workforce Framework for Cybersecurity to guide you from beginner to expert across 52 Work Roles.
- Cyber Operator
- System Administrator
- Data Analyst
You're in good company
We use Infosec Skills to provide continuous training to our technicians and to prepare them for various certifications. Infosec Skills allows us to create personalized training programs that focus on each of our technicians’ particular roles and see their progress as they take courses. We also, recommend it to clients to make their IT support teams better.
Caleb Yankus
This has been utilized to bridge the skills gap across our cyber team and to aid them as they prepare for their various certifications. It also has provided a nice learning foundation for our various cyber team members to utilize as we continue to find ways for cross-utilization with operations while minimizing the downtime needed to ensure everyone’s knowledge is the same.
Daniel Simpson
We use Infosec Skills to provide base level knowledge for employees. We also use the services to provide in depth learning for employees as they encounter new technologies. If an employee is is assigned to a new project, we can rely on Infosec Skills to provide a rapid concentrated learning environment. This rapid concentrated learning positions our employees for success.
Infosec Skills Teams client
Plans & pricing
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Infosec Skills Personal
- 190+ role-guided learning paths (e.g., Ethical Hacking, Threat Hunting)
- 100s of hands-on labs in cloud-hosted cyber ranges
- Custom certification practice exams (e.g., CISSP, Security+)
- Skill assessments
- Infosec peer community support
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Infosec Skills Teams
- Team administration and reporting
- Dedicated client success manager
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Single sign-on (SSO)
Easily authenticate and manage your learners by connecting to any identity provider that supports the SAML 2.0 standard.
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Integrations via API
Retrieve training performance and engagement metrics and integrate learner data into your existing LMS or HRS.
- 190+ role-guided learning paths and assessments (e.g., Incident Response)
- 100s of hands-on labs in cloud-hosted cyber ranges
- Create and assign custom learning paths
- Custom certification practice exams (e.g., CISSP, CISA)
- Optional upgrade: Guarantee team certification with live boot camps
Unlock 7 days of free training
- 1,400+ hands-on courses and labs
- Certification practice exams
- Skill assessments
Award-winning training that you can trust




