Docker Beta hangs frequently on macOS Sierra

To resolve the docker hang issue on macOS Sierra, disable the ‘ntp’.

sudo launchctl unload /System/Library/LaunchDaemons/org.ntp.ntpd.plist

[QuickTips]Enable core dump in a terminal

Some times we need our application to create core dump  when it crashes during development. You can easily enable this using “ulimit -c unlimited”.

[QuickTips] Enable password less login for ssh on Linux and OSX

Managing multiple ssh connection is tedious when each time you have to use password to log in. But ssh login process can be made password less/automatic. This can be done using public and private pair. This guide will explain how these keys will be created and used to achieve password less ssh login process on any Mac OS X or Linux systems.

[LaTeXTips] How to avoid latex error “Missing $ inserted” ?

“Missing $ inserted”. This error doesn’t explain a lot of useful details except  “$” is missing. This will be our clue to the solution.

[QuickTips] Install md5sum & sha1sum on Mac OS X using Homebrew

Use following HomeBrew command to install md5sum & sha1sum

 brew install md5sha1sum

You can use ‘md5sum’ as below:

[QuickTips] Simple ways to embed YouTube videos in WordPress blog

How To Embed Youtube Video

• Paste the URL of youtube video on a new line to embed the video in the post. WordPress handles everything else about how to display the video internally.
• You can also put URL inside square bracket “[URL]”. This is called shortcode. Shortcode allows further customisation to the youtube video player.