How To Fix “IOError: [Errno 10] No child processes” When Running the aws CLI Command from Perl WWW-REST-Apid

Author: erics, December 3rd, 2020

Problem While running the aws cli command from a Perl async command inside apid, I go the following error:

Solution The issue turned out to be a bug in Python2.7, so I upgraded to Python3.4, then uninstalled and re-installed the aws cli software so that it used the proper Python34 version. Procedure

https://docs.aws.amazon.com/cli/latest/userguide/install-cliv2-linux.html […]

Categories: How-To's, Technology Tags: alternatives, API, apid, AWS, aws cli, AWS Linux, Broken, cli, Cloudformation, Command, Curl, Error, Exec, Execute, howto, IOError, Linux, No child processes, perl, Python, Python27, Python34, tips, Yum | No comments

How To Properly Specify Command and Arguments to Exec in Perl

Author: erics, December 11th, 2019

When using Perl’s exec() call, the best way to invoke it is as follows:

This syntax does some important things: – passes a scalar value as the first argument which exec interprets as PROGRAM – passes an array as the second argument which exec will use as the arguments to pass into PROGRAM Note […]

Categories: How-To's, Technology Tags: Arg, Args, Argument, Arguments, bash, Exec, Execute, perl, Program, sh, Shell, System | No comments

How To Show All Files in MacOSX Yosemite via Terminal

Author: erics, October 29th, 2014

SET THE DEFAULT TO SHOW Run this command in a Terminal window: defaults write com.apple.finder AppleShowAllFiles YES Relaunch Finder: Hold down the Option/ALT key on your keyboard, then right-click the Finder icon in the dock and select Relaunch. SET THE DEFAULT TO HIDE defaults write com.apple.finder AppleShowAllFiles NO then relaunch finder as above.

Categories: How-To's, Technology Tags: Command, Command line, defaults, defaults write, Exec, Execute, Finder, Hide, howto, MacOS, macosx, OSX, Show, Terminal, tips, Yosemite | No comments