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Old

Adding [code][/code] tags to your posts

Posted 12-02-2014 at 07:23 AM by rtmistler
Updated 12-16-2014 at 01:45 PM by rtmistler

In LQ it is beneficial to use [code][/code] tags around your code.

All you need to do is to border your code with the [code][/code] tags and the result will appear as following:
Code:
#include <stdio.h>

int main()
{
 ...
}
In Advanced edit mode the # icon will assist you with this.

Posters can also edit a prior post to fix this and make things more clear.

It will help to separate code from your questions and comments....
Senior Member
Posted in LQ Information
Views 91 Comments 0 rtmistler is offline
Old

Logrotate - Not Just for the System

Posted 05-13-2014 at 02:26 PM by rtmistler
Tags logrotate

I've seen a few threads about logrotate. Two thread types I've noticed are:
  1. Persons not understanding logrotate and how to use it
  2. Persons not happy with logrotate and it's normal means of operation - mainly because they'd like to use it for something other than the system log files.
My intentions here are to cover the second case however I will start describing a bit about logrotate and how to use it. So those who are new to logrotate and seeking some guidance, the general overview section...
Senior Member
Views 365 Comments 0 rtmistler is offline
Old

Bash Scripting for Dummies and Geniuses

Posted 11-20-2013 at 10:18 AM by rtmistler
Updated 06-17-2014 at 02:25 PM by rtmistler

One only need look at LinuxQuestions.org to notice the great amount of script (and code) questions and varieties of comments to realize that we all have varying opinions about bash programming.

Many questions are very complicated, as are the resulting answers and script recommendations. I've noticed that two fundamental points are invariably overlooked by the questioners, and many of the comments:

Quote:
"All programming is the use of simple operations to solve complex
...
Senior Member
Posted in Bash Scripting
Views 433 Comments 3 rtmistler is offline
Old

How to kill those Zombies

Posted 06-13-2013 at 04:22 PM by rtmistler

When a process has ended, signals are emitted to it's parent to indicate that the process is done. This does not delete the process however, information about the process remains with the system until such time as the parent checks that signal. The process becomes a zombie until the exit signal is checked.

The reason for this is closure.

Rather than have that process go away and never give an understanding as to why it went away, it stays as a zombie so that the parent...
Senior Member
Views 140 Comments 0 rtmistler is offline
Old

USB Receive and Rapid Parse, GPS Example

Posted 06-11-2013 at 09:17 AM by rtmistler

Introduction
This is more of a general programming example which can be applied to other systems, in addition to Linux.

This is a discussion of an application programming scenario where a GPS device is attached via a serial USB connection to the system. Challenges faced in this project include:
  • Detecting a USB Serial Resource on your System
  • Configuring and Controlling a USB Serial Resource
  • Processing Receive Data from the USB Serial Resource
  • De-Framing GPS Data
  • Parsing GPS Data
...
Senior Member
Views 348 Comments 0 rtmistler is offline

  



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