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#cheatsheet

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HHongtech.mrleong.net

Cheatsheet & Examples: chmod

chmod is a command-line utility used to change the access permissions of file system objects such as files and directories. It allows you to control who can read, write, and execute those objects. Changing Permissions Using Octal Notation Example Usa...

Jan 233 min read

HHongtech.mrleong.net

Cheatsheet & Examples: chown

chown changes the ownership of files and directories. This involves modifying the user and/or group associated with a file, determining who has access and permissions. Changing File Ownership to a Specific User Example Usage: chown user file.txt What...

Jan 203 min read

AAashishhexplain.hashnode.dev

Apache Kafka Cheat Sheet for Developers (Beginner to Advanced)

Kafka looks simple on the surface. Underneath, it’s a carefully engineered system built for extreme throughput, fault tolerance, and replayability. Mastering Kafka really comes down to understanding a few core components and why certain design decisi...

Jan 172 min read

HHongtech.mrleong.net

Cheatsheet & Examples: usermod

The usermod command modifies a user account's properties on a Linux system. It allows administrators to change various attributes associated with a user, such as the user's login name, home directory, shell, groups, and password expiry information. C...

Jan 163 min read

HHongtech.mrleong.net

Cheatsheet & Examples: tcpdump

tcpdump is a powerful command-line packet analyzer used to capture network traffic passing through a network interface. It allows you to monitor and diagnose network issues by displaying the contents of network packets. Capturing all traffic on an in...

Jan 134 min read

MAMarcos Alvaresm.alvar.es

[Cheatsheet] Userland WinDbg

I do not need to use WinDbg for userland debugging that often BUT when I need to use it I REALLY need to use it! \O/ I keep forgetting some of the commands and the references I find online are often missing something or just too complex (Microsoft’s ...

Jan 111 min read

RNRaj Nandgaonkarawscloudformation.hashnode.dev

🚀 The DevOps Daily Driver: Your Essential Command Cheat Sheet

As a professional DevOps engineer, you live at the command line. Whether you're provisioning infrastructure, managing containers, or automating pipelines, speed and precision are paramount. Forget digging through documentation—this cheat sheet compil...

Jan 107 min read

HHongtech.mrleong.net

Cheatsheet & Examples: nmap

nmap is a powerful network scanning tool used to discover hosts and services on a computer network by sending packets and analyzing the responses. It's widely used for network inventory, managing service upgrade schedules, and monitoring host or serv...

Jan 94 min read

HHongtech.mrleong.net

Cheatsheet & Examples: scp

scp (secure copy) is a command-line utility used to securely transfer files and directories between a local host and a remote host or between two remote hosts. It uses the Secure Shell (SSH) protocol for secure data transfer, encrypting the data duri...

Jan 65 min read

HHongtech.mrleong.net

Cheatsheet & Examples: traceroute

Traceroute is a network diagnostic tool used to trace the path packets take from a source to a destination IP address or hostname. It displays the sequence of routers (hops) traversed, along with the round-trip time (RTT) for each hop. This informati...

Jan 23 min read

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#cheatsheet

Cheatsheet & Examples: chmod

Cheatsheet & Examples: chown

Apache Kafka Cheat Sheet for Developers (Beginner to Advanced)

Cheatsheet & Examples: usermod

Cheatsheet & Examples: tcpdump

[Cheatsheet] Userland WinDbg

🚀 The DevOps Daily Driver: Your Essential Command Cheat Sheet

Cheatsheet & Examples: nmap

Cheatsheet & Examples: scp

Cheatsheet & Examples: traceroute