cjitlal + debug   27

24-core CPU and I can’t type an email (part one) | Random ASCII
This investigation included a lot of rabbit holes. Some were important (page tables), some were instructive (locks), and some were purely a waste of time (WMI details). I’ll talk more about these, and a vmmap bug, in a follow-up post. If you want more gory details – some of which ended up being wrong or irrelevant – you can follow the whole investigation at crbug.com/870054.
programming  chrome  perf  debug  code  craft  monitoring 
august 2018 by cjitlal
10 Tips for Javascript Debugging Like a PRO with Console
I must admit it for the first time, and I’ll use this platform to clean up the skeletons from my development closet. Sometimes, the magic I do — which some call “coding” — is not as perfect as the…
js  tip  debug  tools  tut  console 
march 2018 by cjitlal
How To Use Traceroute and MTR to Diagnose Network Issues | DigitalOcean
In this guide, we will discuss how to use traceroute and mtr to diagnose network issues. These tools and utilities will provide a good overview of what stage of the network is causing problems. You can tell if an issue falls within your realm of influ
sysadmin  DO  tut  mtr  tools  networking  debug 
september 2016 by cjitlal
tcpdump is amazing - Julia Evans





tcpdump is amazing










It took me 2 years, but I think now I love tc...
nw  sysadmin  network  eec  hacks  tcp  tools  debug 
march 2016 by cjitlal
How to use Chrome DevTools like a Pro — JotForm — Form Builder — Medium
To open DevTools, you can right-click anywhere on the page and select inspect element or you can choose the “tools > developer tools” option from the top right menu.

webdev  chrome  howto  code  tools  debug 
september 2015 by cjitlal
Linux system debugging super tutorial
Extensive tutorial explaining how to systematically approach, analyze and resolve complex problems in Linux using a layered strategy, with component search and comparision between good and bad machines, using tools like strace, ltrace, vmstat, lsof, and others
linux  sysadmin  debug 
march 2015 by cjitlal

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