How to Run Memtest86 for Reliable RAM Diagnostics
Bare-metal memory testing with MemTest86 catches faults that in-OS tools miss. Learn why multiple passes matter and how to read failing addresses.
Tag: debugging tools
Kernel Panic Explained: Causes, Clues, and Fixes
A kernel panic stops Linux when recovery is unsafe. Learn to read its messages and trace faults to drivers, hardware, storage, or boot files.
Linux Syscall Tracing: Find Latency in 3 Steps
Diagnose Linux latency by tracing syscalls with strace, perf trace, or BCC tools. Learn which tool fits production vs development and how to read the results.
Why Apt Says Bpftool Is a Virtual Package (and the Fix)
Two packages, not one: linux-tools-common plus linux-tools-$(uname -r) gets bpftool working on Ubuntu, with checks for virtual package and pocket errors.
Linux Kernel Failures: A Reliable Debugging Workflow
Start with logs, reproduce the failure, decode oops traces, and use dynamic debug, symbols, kdump, or git bisect to isolate the kernel bug safely.