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Linux System Administration Jobs

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Hourly - Est. Time: More than 6 months, 10-30 hrs/week - Posted
We need an experienced sys admin to setup, manage and optimize our server. Here is what we need you to do: - setup cPanel/WHM - setup Litespeed - setup Cloudflare - Memcache enabled - We will need you to optimize our server when we start sending high amounts of traffic - Conduct any necessary server maintenance - Provide suggestions on how to make our pages load faster - Consult us on if our current server specs are good enough for our our needs I have attached a document that has our server specs. We think that this job will require around 5-10 hours a month. This will be an ongoing job. We expect you to be online using skype to chat during normal US office hours, so that we can message you when we need your services.
Hourly - Est. Time: 1 to 3 months, 10-30 hrs/week - Posted
We are migrating our VPS service from Centarra. We are looking for a competent, efficient, and experienced IT expert to execute the following: 1. Identify the appropriate VPS system to use based on the needs of our business 2. Migrate to new VPS system 3. Continue upkeep and ongoing maintenance required with new VPS. This can potentially evolve into an ongoing arrangement if the applicant is the right fit.
Hourly - Est. Time: Less than 1 week, 10-30 hrs/week - Posted
Looking for an expert linux administrator, with background knowledge about wordpress performance on the server. Task will be to prepare the server setting for a secure, fast and reliable WordPress hosting. The server will be a digital ocean droplet with CentOS 7, and we need you to install a free control panel and HHVM, also you will take care of special configuration for wordpress security. Add couple of hours after finalizing for consultation about the service.
Hourly - Est. Time: Less than 1 month, Less than 10 hrs/week - Posted
Magento code security review on existing Magento site 4 years old.. Looking for hacks and scripts. In addition, we are moving this site to a new server as a security measure. You will help set up new server and help move the site from one server to the next. You will be working with an existing Magento Developer - and your role will be to advise and assist on security and vulnerabilities. Security testing will be your primary role as well as server administration. You should be familiar with Magento - and how scripts, fishing, or hacking codes and scripts are discovered and eradicated.
Hourly - Est. Time: More than 6 months, Less than 10 hrs/week - Posted
I require a solid coder to work on our 3 WP and magento websites. MUST know magento fluently. access ec2 AWS server using SSH only. clean code and ability to quality control their own work - i.e. dont send the site from the test server to live server without checking all aspects of your own code. skills required: Magento JavaScript CSS / CSS3 HTML / XHTML / HTML5 Server Administration / Cloud Servers / Dedicated Servers / AWS WordPress PHP MySQL Administration / Database Design (with normalization) Linux Apache We will work through trello board with my team and develop site as necessary on daily/ weekly basis. Requires minimum 20 hours availability per week for our workload. Budget $10 USD per hour ongoing.
Hourly - Est. Time: Less than 1 month, Less than 10 hrs/week - Posted
We have a node.js app that is running on one EC2 instance on Amazon AWS using Ubuntu 14.04 LTS. We are using MongoLabs for managing the DB. We use Elastic Cache (redis) for session store and SQS for our job queue. *ECS docker cluster* We need help setting up a cluster of multiple EC2 instances behind an Elastic Load Balancer for our production app. We are thinking about on using Docker and Elastic Container Service to make app deployments easier and have had some investigative work completed on how to setup an auto-scaling cluster using ECS and Lambda. *Multiple Versions* We have multiple versions of the app that need to be setup and run in this environment, including Production, Staging, and Dev/Test. *Testing* We use Jenkins to run automated tests using Selenium WebDriver and against Sauce Labs. *Building Docker images* We need help in setting up a docker build process for production, stage, dev/test docker images and deploying them to production. *Logging and Monitoring* We...
Hourly - Est. Time: 3 to 6 months, Less than 10 hrs/week - Posted
You will be doing the following tasks: 1. Be part of a team to develop a video surveillance desktop software on Linux-based OS 2. Write code and unit/integration tests based on design documents 3. Learn current software architecture and assist with necessary design and development 4. Estimate time required to complete specified module and/or functionalities, then complete them on time 5. Follow a clean coding style, run all unit tests and integration tests Requirements: 1. Expert in C++ (98 and above) and ANSI C, familiar with STL 2. Familiar with developing on Linux-based OS (Ubuntu), good understanding of processes, threads, and system calls 3. Familiar with IPC, TCP and UDP, RTSP, HTTP. Have general network programming and debugging skills (Wireshark) 4. Knows how to use git 5. Knows how to write unit tests (gtest) and integration tests