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Rakesh Jain Profile picture
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16 Sep, 22 tweets, 6 min read
Collection of Cheat Sheets:

Linux Commands, Networking Tools, Hacking Tools, Docker, Kubernetes, AWS etc.

#Linux #infosec #DevOps #cheatsheet

A Thread. (Will continue to add more)
Linux Commands Cheat Sheet Image
Systemctl Commands Cheat Sheet Image
IP Command Cheat Sheet Image
RPM Command Cheat Sheet Image
Grep Command Cheat Sheet Image
IP Header Image
Wireshark Cheat Sheet Image
NMAP Cheat Sheet Image
Hacking Tools Cheat Sheet - 1

IP, dig, ncat, openssl, arpspoof, tcpdump, nmap Image
Hacking Tools Cheat Sheet - 2
ncrack, curl, hashcat, metasploit, Image
Docker Cheat Sheet - 1 Image
Docker Cheat Sheet - 2 Image
Kubernetes Cheat Sheet - 1 Image
Kubernetes Cheat Sheet - 2 Image
Kubernetes Cheat Sheet - 3 Image
AWS Basics Cheat Sheet Image
Sed Cheat Sheet Image
AWK Cheat Sheet Image
find Cheat Sheet Image
Sort and Uniq Cheat Sheet Image
Grep Cheat Sheet Image

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More from @devops_tech

Rakesh Jain Profile picture
18 Oct
Securing Linux Servers!

Everything about Iptables - The Linux Firewall.

#infosec

A Mega Thread 👇
Iptables is a command-line firewall utility for Linux. It monitors traffic from & to ur server using tables.
These tables contain sets of rules, called chains, that will filter incoming & outgoing data packets. PC: linuxkamarada
When someone tries to establish connection to and from your system iptables immediately looks for a rule in its list to match it and If it doesn’t find a matching one, it resorts to the default action (either DROP or Accept).
Read 45 tweets
Rakesh Jain Profile picture
13 Oct
Copying files and directories remotely.

Keeping Linux files and directories in sync.

Everything about "rsync"

A Thread 👇
What Is Rsync?

Rsync, or Remote Sync, is a fast, versatile and free command-line tool that lets you transfer and sync files and directories to local and remote destinations in an efficient and secure way. .
Why use Rsync?

When copying or moving large no. of files using tools like cp and mv may leave ur data in inconsistent state with part of it still in the original location and part of it in the target destination in case of any interruptions.
Read 29 tweets
Rakesh Jain Profile picture
9 Oct
These days we are hearing a lot about #web3.

What's that?

A short thread 👇
What was web1 or web?
The very first stage of development on the World Wide Web where only simple static websites used to exist.

Those were the times when Personal web pages (mostly static pages) used to be hosted on ISP-run web servers, or on free web hosting services.
What is web2?

Today's internet is all about web2. As per @Wikipedia Web 2.0 refers to websites that emphasize user-generated content, ease of use, participatory culture and interoperability for end users where websites and apps allow anyone to create content and share.
Read 5 tweets
Rakesh Jain Profile picture
9 Oct
Kubernetes security best practices in short -

A Thread 👇 PC: Threat Stack
1. Keep the Kubernetes cluster up to date.
2. Ensure That Only Authorized Images are Used in Your Environment
3. Limit Direct Access to Kubernetes Nodes
4. Create Administrative Boundaries between Resources
5. Keep Secrets Secret!
6. Define Resource Quota
7. Implement Network Segmentation
8. Apply Security Context to Your Pods and Containers
9. Restrict API access.
10. Restrict SSH access.
Read 6 tweets
Rakesh Jain Profile picture
9 Oct
Linux Networking Tools -

ss, nmap, dig, netcat, ping, tcpdump, socat, top, ethtool

A Thread 👇
SS -

ss command is a tool that is used for displaying network socket related information on a Linux system.
nmap -

Nmap is short for Network Mapper. It is an open-source Linux cmd-line tool that is used to scan IPs & ports in a nw & to detect installed apps. Nmap allows nw admins to find which devices r running on their nw, discover open ports & services, and detect vulnerabilities.
Read 12 tweets
Rakesh Jain Profile picture
7 Oct
SSL Decoded!

Everything you need to know about Secure Socket Layer.

A Thread 👇
What is SSL ?

It’s a protocol for encrypting and securing communications that take place on the Internet. It's now replaced by an updated protocol called TLS (Transport Layer Security) some time ago.
The main use case for SSL/TLS is securing communications between a client and a server, but it can also secure email, VoIP, and other communications over unsecured networks.
Read 23 tweets

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