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Hourly - Expert ($$$) - Est. Time: More than 6 months, 30+ hrs/week - Posted
Ewe also use Hashicorp so you should at least know Vault and it is set up on top of local Consul. Of course you should know bash. It is important that you understand issues that are raised as a whole and finish them completely, not just do patching.
Skills: Bash Digital Ocean Nginx Ubuntu
Hourly - Intermediate ($$) - Est. Time: Less than 1 week, 10-30 hrs/week - Posted
We have a script that connects a Web Call to USB device. The main scenario is, we have a tablet application, which is on WiFi, It sends a URL call via local Wifi to some Lighting Hardware connected via USB to a RaspberryPi, which is running Apache/PHP etc. So from a browser you can type: http://192.168.0.3/serial/model.php?communication_board_command=chr(2).chr(0).chr(0).chr(0).chr(2).chr(5) It will go to the script, and send a message to the USB device. The issue is, that when we send many of these URL calls, once in a while it freezes randomly with no apparent pattern, it seems the USB port or connection is left open or something, that does not allow the next call in. Then it will start working again after a next call. So, we want to remove any chance of this freeze. The simple PHP code we are using is: <?php if($_GET['communication_board_command']){​ ini_set('display_errors', 1); $codes = explode(",",$_GET['communication_board_command']); foreach( $codes as $code){​ eval("\$code = $code;"); echo "\n lighting-code-sent"; echo $code; file_put_contents("/dev/ttyUSB0", $code); file_put_contents("/dev/ttyUSB1", $code); }​ echo "\n php-ok1"; }​ ?> So this works fine, and a command is sent to the USB, and the lighting board connected lights. However, sometimes it does not, and the call is ignored, or it stays lit with the old code sent when a new one is sent. We have tried sending the code twice, or with a usleep delay, or via calling a redirected script twice. We have tried with fopen(), fwrite(), fclose(); But it has no effect... sometimes there is still a Pause. --- If we run the same script on Windows, WAMP setup, it works fine, it does not seem to have the delay as on Linux / RaspberryPi, The script on Windows is: <?php error_reporting(E_ALL & ~E_NOTICE & ~E_DEPRECATED); if($_GET['lcode']){​ ini_set('display_errors', 1); `mode com3: BAUD=38400 PARITY=N data=8 stop=1 xon=off`; $codes = explode(",",$_GET['lcode']); foreach( $codes as $code){​ eval("\$code = $code;"); echo "\n lighting-code-sent"; echo $code; file_put_contents(com3, $code); }​ }​ echo "\n php-ok"; ?> As above we can set the Baud, Parity etc. But on Linux, it does not seem like this is done, when trying the same code. Or its set somewhere else previously? And it calls the COM port, via USB/Serial drivers. It just seems on windows, the socket call is dealt with differently, and the issue will not happen. --- In anycase we need help with this code on Raspberry Pi, to have the Web Call sent but not have any Freezes / Pauses, so that the USB call, is opened and closed, and can have multiple calls in a regular frequency, as per any local web call. - Another issue is when we plug in the USB cannot be sure if it will go to /dev/ttyUSB0 or /dev/ttyUSB1 which is why have them both there, or if the USB is taken out, sometimes its lost if reconnected... so another task is to always get the USB to ttyUSB0 and allow the script to call it. So for now we need help with these 2 points, and there might be others, as the projects progresses, as we need to create a very stable system for these Web Calls. As above its currently done in PHP, but I dont mind using Python to do it, or other scripts / executables, but we do need to have full understanding and control of whats happening. Can be Pay by the hour or a fixed price.
Skills: Bash shell scripting Debian OS Linux System Administration PHP
Hourly - Intermediate ($$) - Est. Time: More than 6 months, 10-30 hrs/week - Posted
you need to have the following skills/experience working with Bash and python scripts AWS servers and HA solutions must have experience with large networks just to make sure you have read this message and i dont get spam application please start your message with iplay247
Skills: Bash shell scripting Amazon EC2 CentOS Python
Hourly - Expert ($$$) - Est. Time: More than 6 months, 30+ hrs/week - Posted
Required: Solid knowledge of programming languages: Python, C, golang; Good understanding of Linux, bash / sh scripting English: Intermediate + Advantageous: Understanding of Openstack, Ansible, sstorage protocols such as SCSI and NVMe, NAND flash management.
Skills: Bash Bash shell scripting C++ Golang
Hourly - Entry Level ($) - Est. Time: Less than 1 month, 10-30 hrs/week - Posted
We want you to play two hours of Atari games across three different games in a special Atari emulator that records your playing. This is currently quite urgent, so we'll need you to be available for at least three hours tomorrow (Weds) between 9am PDT and 2pm PDT. If you do good work, this could turn into a longer term project. # Requirements To do this project, you will need a Mac with the following properties: * Mac must be a 2010 or newer model * OS X 10.10.3 Yosemite or newer * At least 4GB of RAM You will also need to have a basic understanding of your Terminal, and will need the following programs installed: * Homebrew (http://brew.sh/) * Git (https://git-scm.com/download/mac) * Python (and pip) (http://docs.python-guide.org/en/latest/starting/install/osx/) If you have all the prerequisites correctly installed, you should be able to run the following in your Terminal (try it now): brew install cmake git clone https://github.com/openai/gym.git cd gym[atari] pip install -e . # Application Please send in an application with the following information: * The last few lines that the pip command above returned for you * A short paragraph about why you think this would be a fun project * Your github username (if you don't have an account, you can make one) Thanks!
Skills: Bash Game Testing Mac OSX Administration Unix shell
Hourly - Intermediate ($$) - Est. Time: More than 6 months, 10-30 hrs/week - Posted
I have ongoing tasks where you would handle system administration, create and maintain existing code base for many projects, all shell scripts are written in bash on CENTOS servers. I will assign tasks to you via basecamp. ... I will assign tasks to you via basecamp. You must be a proficient expert in bash scripting and server/system administration. You must be proficient in PHP.
Skills: Bash shell scripting Linux System Administration MySQL Administration PHP
Hourly - Entry Level ($) - Est. Time: More than 6 months, 30+ hrs/week - Posted
Looking for someone to join my Web Design Company. You will be required to take part in many various aspects of running a clients website. If you do not have all the necessary skills training can be provided. Must speak English or Chinese Tasks include Linux shell management, MySQl database administration, setting up wordpress CMS and programming. Yearly Salary expected to be around $12,000 USD
Skills: Bash AngularJS CSS CSS3
Fixed-Price - Expert ($$$) - Est. Budget: $500 - Posted
I have lost the bitlocker password for a USB driver which has important information i would like to retrieve. i know it is virtually impossible to break the bitlocker encryption, however, i do remember the password structure. It is something around: P@ssw0rd!1 P@ssW0rd!1 p@ssW0rd!1 p@ssword!1 And so on and so forth. Maybe 1/2/3/4 extra characters in the end, but not more than that. I am not sure which letters are uppercase or lowercase, or whether it's using @/a/A, or o/O/0. But i'm 100% positive the word is "Password" spelled in some way and there might be up to 4 characters extra after the "Password". I know for a fact that it makes the decryption a lot easier by some type of brute-force, probably using a script to generate all the possible combinations for "Password + 4 characters" and running them against the bitlocker encryption. Are you up to this challenge? ;)
Skills: Bash shell scripting Security Engineering Unix
Hourly - Intermediate ($$) - Est. Time: 1 to 3 months, 30+ hrs/week - Posted
Requirements: • Proven experience in responsibilities listed above • Proven experience with OVirt / OpenStack • Proven experience writing robust scripts using either Bash, Perl or Python • Experience administering TomCat, Apache, Nginx web servers, proxies and reverse proxies • Experience with PostgreSQL database administration About the position: 2-3 month contract with possibility for an extension.
Skills: Bash Apache Tomcat Nginx OpenStack