uncleflo
Registered since September 28th, 2017
Has a total of 4246 bookmarks.
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L298 Dual Full Bridge Driver - Electronics
Saved by uncleflo on December 20th, 2018.
The L298 is an integrated monolithic circuit in a 15-lead Multiwatt and PowerSO20 packages. It is a high voltage, high current dual full-bridge driver designed to accept standard TTL logic levels and drive inductive loads such as relays, solenoids, DC and stepping motors. Two enable inputs are provided to enable or disable the device independently of the input signals. The emitters of the lower transistors of each bridge are connected together and the corresponding external terminal can be used for the connection of an external sensing resistor. An additional supply input is provided so that the logic works at a lower voltage.
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AWK - Built-in Functions
Saved by uncleflo on January 27th, 2017.
AWK has a number of functions built into it that are always available to the programmer. This chapter describes Arithmetic, String, Time, Bit manipulation, and other miscellaneous functions with suitable examples.
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Check listening ports with netstat
Saved by uncleflo on January 27th, 2017.
If you’re troubleshooting a service that you know is running normally the next step is to ensure it’s listening on the correct network port. The netstat command shows the services listening to ports on a Linux server and the details of any connections currently made to them. The connection details to consider during basic network daemon troubleshooting are the addresses that the daemon is listening on (including the port number), the daemon’s process identifier (PID), and the program name.
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How Can I Tell What is Listening on a TCP/IP Port in Windows?
Saved by uncleflo on January 27th, 2017.
Whenever an application wants to make itself accessible over the network, it claims a TCP/IP port, which means that port can’t be used by anything else. So if you need to use an in-use port, how do you tell what application is holding it? There’s a number of ways to tell what application has the port locked, but we’ll walk through the built-in way using the command line and Task Manager, and then a great freeware application that does it all in one utility.
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Shell Scripting Tutorial - Quick Reference
Saved by uncleflo on October 28th, 2016.
A Bourne Shell Programming / Scripting Tutorial for learning about using the Unix shell. Learn Linux / Unix shell scripting by example along with the theory. I'll have you mastering Unix shell scripting in no time.
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Advanced Bash-Scripting Guide
Saved by uncleflo on October 28th, 2016.
This tutorial assumes no previous knowledge of scripting or programming, yet progresses rapidly toward an intermediate/advanced level of instruction... all the while sneaking in little nuggets of UNIX® wisdom and lore. It serves as a textbook, a manual for self-study, and as a reference and source of knowledge on shell scripting techniques. The exercises and heavily-commented examples invite active reader participation, under the premise that the only way to really learn scripting is to write scripts. This book is suitable for classroom use as a general introduction to programming concepts. This document is herewith granted to the Public Domain. No copyright!
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Bash Guide for Beginners
Saved by uncleflo on October 28th, 2016.
The primary reason for writing this document is that a lot of readers feel the existing HOWTO to be too short and incomplete, while the Bash Scripting guide is too much of a reference work. There is nothing in between these two extremes. I also wrote this guide on the general principal that not enough free basic courses are available, though they should be. This is a practical guide which, while not always being too serious, tries to give real-life instead of theoretical examples. I partly wrote it because I don't get excited with stripped down and over-simplified examples written by people who know what they are talking about, showing some really cool Bash feature so much out of its context that you cannot ever use it in practical circumstances. You can read that sort of stuff after finishing this book, which contains exercises and examples that will help you survive in the real world. From my experience as UNIX/Linux user, system administrator and trainer, I know that people can have years of daily interaction with their systems, without having the slightest knowledge of task automation. Thus they often think that UNIX is not userfriendly, and even worse, they get the impression that it is slow and old-fashioned. This problem is another one that can be remedied by this guide.
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Accept Online Payments
Saved by uncleflo on July 23rd, 2016.
We simplify the payments process and give you additional services to help your business grow. Start Selling More: However you sell-online or via Mail Order / Telephone Order—we've got you covered. Save Time & Money: Our additional services do the work of a full-time staff and help you fight fraud, store data securely and more. Reliable & Secure: We've been a trusted partner for payments since 1996. You can count on our expertise no matter what your business needs.
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Portable Contactless Card Machine - Barclaycard Business
Saved by uncleflo on April 2nd, 2015.
With a portable card terminal, you can take the card terminal to your customer, quickly and easily. Their payment is communicated back to the base unit via Bluetooth – and it’s authenticated and authorised quickly. Our portable card terminals are easy to use, and easy to set up. Here’s a quick guide to their main features and benefits.
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PuTTY Download Page
Saved by uncleflo on September 8th, 2013.
PuTTY is a free implementation of Telnet and SSH for Windows and Unix platforms, along with an xterm terminal emulator. It is written and maintained primarily by Simon Tatham.
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Fedora List - How do I make use of SSH_ASKPASS?
Saved by uncleflo on August 31st, 2013.
I can't find out to make use of this. It is set to /usr/libexec/openssh/gnome-ssh-askpass, but I still get prompted for a password when I use ssh. I thought the prompt was only supposed to occur when I login to GNOME.
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20 Funny Commands of Linux or Linux is Fun in Terminal
Saved by uncleflo on August 30th, 2013.
Linux is fun! Huhhh. OK so you don’t believe me. Mind me at the end of this article you will have to believe that Linux is actually a fun box.
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None
Saved by uncleflo on August 27th, 2013.
The following section uses an actual example to demonstrate building a local policy module to address an issue with the current policy. This issue involves the ypbind init script, which executes the setsebool command, which in turn tries to use the terminal. This is generating the following denial:
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None
Saved by uncleflo on July 28th, 2013.
How to check the performance of a hard drive (Either via terminal or GUI). The write speed. The read speed. Cache size and speed. Random speed. Hdparm is a good place to start.
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Ubuntu Linux Start / Restart / Stop Apache Web Server
Saved by uncleflo on May 7th, 2013.
How do I start, restart or stop Apache 2 web server under Ubuntu Linux operating systems? /etc/init.d/apache2 is service script used to start / stop / restart the Apache2 service under Debian or Ubuntu Linux. You need to login as root or use sudo command restart Apache.
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Change Screen Brightness From Terminal
Saved by uncleflo on August 2nd, 2011.
If you want to change the screen brightness in Ubuntu (I can’t change it using the keyboard shortcuts or the Ubuntu Power Management menu), open a terminal and execute the following.
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Installing .deb package through the terminal - Ubuntu Forums
Saved by uncleflo on March 9th, 2011.
How do I install a .deb package through the terminal because I can't use the GDebi Package installer because I get an error of corruption or permission. The package is on the my desktop and I would like to install it to /home/thieflock/appearance/kiba dock so what would that command line be? - If there is a problem installing with Gdebi, maybe you should try downloading it again. If you want to try installing it from the terminal, try sudo dpkg -i <package name>
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