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Uk K

@sachintechDelhi, IndiaJoined August 2026

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Tech & Linux Hubtech-learning-sachin.hashnode.dev38 posts

tech-learning-sachin.hashnode.dev11h ago · 10 min read

Diagnosing Linux Disk Pressure When df and du Disagree

Disk-space alerts are among the most common issues on a Linux server. An application may stop writing logs, a package installation may fail, or a database may complain that it cannot create a temporar

tech-learning-sachin.hashnode.dev3d ago · 10 min read

Debugging Linux Services Through Logs, Exit Codes, and Small Experiments

When a Linux service stops working, the quickest response may seem to be restarting it and hoping the problem disappears. Sometimes a restart is enough, but it can also erase useful evidence or leave

tech-learning-sachin.hashnode.dev4d ago · 8 min read

Debugging a Linux Service That Starts and Stops: A Repeatable Method

The symptom is not the diagnosis A Linux service may start successfully and stop a few seconds later. The terminal may show a short failure message, or a web application may simply become unavailable.

tech-learning-sachin.hashnode.dev5d ago · 9 min read

Linux Permissions in Practice: Diagnose Before You Reach for chmod 777

The problem with the fastest-looking fix When a Linux script or web service returns “Permission denied,” a common response is to run chmod 777. The command often appears to solve the immediate problem

tech-learning-sachin.hashnode.dev6d ago · 7 min read

Write a Safer Linux Health Check Script with Clear Exit Codes

A small health-check script can help a learner practice shell scripting while checking a few important system conditions. The purpose is not to replace a full monitoring system. It is to automate repe

Uk K

About

Available for

Uk K's blogs

Diagnosing Linux Disk Pressure When df and du Disagree

Debugging Linux Services Through Logs, Exit Codes, and Small Experiments

Debugging a Linux Service That Starts and Stops: A Repeatable Method

Linux Permissions in Practice: Diagnose Before You Reach for chmod 777

Write a Safer Linux Health Check Script with Clear Exit Codes

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Uk K

About

Available for

Uk K's blogs

Diagnosing Linux Disk Pressure When df and du Disagree

Debugging Linux Services Through Logs, Exit Codes, and Small Experiments

Debugging a Linux Service That Starts and Stops: A Repeatable Method

Linux Permissions in Practice: Diagnose Before You Reach for chmod 777

Write a Safer Linux Health Check Script with Clear Exit Codes