Rajesh Kumar

The cloud is forever expanding and being used more and more by organizations to develop code and store data. As a result, it’s critical for companies to…

For Any Link Building work – Please email us to links@wizbrand.com Technology & Education # Domain Name Alexa Rating (Date) Domain Authority 1 https://www.devopsschool.com/ 2 https://www.scmgalaxy.com/ 3…

Flashdrives, SD cards, CF cards, hard drives are all products of technology brought into being for the purpose of storing large amounts of data. Over the time…

Download and install gitflow in windows Download and install gitflow in Mac Download and install gitflow in Ubuntu Download and install gitflow in Centos/Rhel Rajesh KumarI’m a…

Principle Lessons from Giant-Scale Services – Eric Brewer, UC Berkeley & Google Designs, Lessons and Advice from Building Large Distributed Systems – Jeff Dean, Google How to…

Pentesters arsenal tools   🔸 Sandcat Browser – a penetration-oriented browser with plenty of advanced functionality already built in.  🔸 Metasploit – tool and framework for pentesting system, web and many more, contains…

Shell/Command line   🔸 pure-bash-bible – is a collection of pure bash alternatives to external processes.  🔸 pure-sh-bible – is a collection of pure POSIX sh alternatives to external processes.  🔸 bash-guide – is a guide…

▪️ CLI Tools   🔸 gvisor – container runtime sandbox.  🔸 ctop – top-like interface for container metrics. ▪️ Web Tools   🔸 Moby – a collaborative project for the container ecosystem to assemble container-based system.  🔸 Traefik – open source…

Operating Systems   🔸 Slackware – the most “Unix-like” Linux distribution.  🔸 OpenBSD – multi-platform 4.4BSD-based UNIX-like operating system.  🔸 HardenedBSD – HardenedBSD aims to implement innovative exploit mitigation and security solutions.  🔸 Kali Linux – Linux distribution used…

Mass scanners (search engines)   🔸 Censys – platform that helps information security practitioners discover, monitor, and analyze devices.  🔸 Shodan – the world’s first search engine for Internet-connected devices.  🔸 Shodan 2000 – this tool…

  🔸 GTmetrix – analyze your site’s speed and make it faster.  🔸 Sucuri loadtimetester – test here the performance of any of your sites from across the globe.  🔸 Pingdom Tools – analyze your site’s…

Code parsers/playgrounds   🔸 ShellCheck – finds bugs in your shell scripts.  🔸 explainshell – get interactive help texts for shell commands.  🔸 jsbin – live pastebin for HTML, CSS & JavaScript, and more.  🔸 CodeSandbox – online code…

Mail   🔸 smtp-tls-checker – check an email domain for SMTP TLS support.  🔸 MX Toolbox – all of your MX record, DNS, blacklist and SMTP diagnostics in one integrated tool.  🔸 Secure Email – complete…

Messengers/IRC Clients   🔸 Irssi – is a free open source terminal based IRC client.  🔸 WeeChat – is an extremely extensible and lightweight IRC client. Messengers/IRC Clients   🔸 HexChat – is an IRC client…

  🔸 usql – universal command-line interface for SQL databases.  🔸 pgcli – postgres CLI with autocompletion and syntax highlighting.  🔸 mycli – terminal client for MySQL with autocompletion and syntax highlighting.  🔸 litecli – SQLite CLI with autocompletion…

 🔸 angle-grinder – slice and dice log files on the command line.  🔸 lnav – log file navigator with search and automatic refresh.  🔸 GoAccess – real-time web log analyzer and interactive viewer that runs…

  🔸 strace – diagnostic, debugging and instructional userspace utility for Linux.  🔸 DTrace – is a performance analysis and troubleshooting tool.  🔸 ltrace – is a library call tracer, used to trace calls made by…

🔸 ossec – actively monitoring all aspects of system activity with file integrity monitoring.  🔸 auditd – provides a way to track security-relevant information on your system.  🔸 Tiger – is a security tool that…

Network   🔸 PuTTY – is an SSH and telnet client, developed originally by Simon Tatham.  🔸 Mosh – is a SSH wrapper designed to keep a SSH session alive over a volatile…

 🔸 vi – is one of the most common text editors on Unix.  🔸 vim – is a highly configurable text editor.  🔸 emacs – is an extensible, customizable, free/libre text editor, and more.  🔸 micro – is…

 Shells   🔸 GNU Bash – is an sh-compatible shell that incorporates useful features from the Korn shell and C shell.  🔸 Zsh – is a shell designed for interactive use, although it…

Ceph Explain what is Ceph True or False? Ceph favor consistency and correctness over performances Which services or types of storage Ceph supports? What is RADOS? Describe…

Big Data Explain what is exactly Big Data What is DataOps? How is it related to DevOps? What is Data Architecture? Explain the different formats of data…

General What is a server? Define or Explain what is an API Tell me about interesting bugs you’ve found and also fixed What is a Debuggger and…

DNS What is DNS? What is it used for? How DNS works? Explain the resolution sequence of: www.site.com What types of DNS records are there? What is…

Elastic What is the Elastic Stack? Explain what is Elasticsearch What is Logstash? Explain what beats are What is Kibana? Describe what happens from the moment an…

Puppet What is Puppet? How does it works? Explain Puppet architecture Can you compare Puppet to other configuration management tools? Why did you chose to use Puppet?…

Security What is DevSecOps? What its core principals? What security techniques are you familiar with? (or what security techniques have you used in the past?) What the…