Linux System Administration Jobs

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Hourly - Expert ($$$) - Est. Time: Less than 1 week, 10-30 hrs/week - Posted
Looking for a linux sysadmin who has experiences to configure server to manage high traffic. We've already bought a dedicated server from softlayer of 32GB RAM and 16 Cores. It came with CENTOS 6, WHM and CPanel which has apache and mysql. We'll run a wordpress site on it (Will use softlayer CDN and Object Cache too). We dont want to use apache. We've already installed varnish, nginx, php-fpm (PHP 5.3), memcached, but We must need to optimize this (I did those installation myself). Now we want Optimized server for wordpress with following - * Varnish * NGINX * PHP-FPM (with PHP 5.6) * PHP Opcache * Memcached * Secured This server will have 80-100K visitors every day. Please let us know if you can do this. Also let us know how long it will take and COST.
Skills: Linux System Administration CentOS Memcached Nginx
Hourly - Intermediate ($$) - Est. Time: Less than 1 week, 10-30 hrs/week - Posted
We are looking for an individual that can assist us acquiring/retrieving a file from an old Virtual Machine running Ubuntu 7.10 (2007) (old version). The file is a .VMDK format. Partition needs to be mounted and file retrieved.
Skills: Linux System Administration Ubuntu
Hourly - Expert ($$$) - Est. Time: More than 6 months, 10-30 hrs/week - Posted
We need a very experienced system administrator to setup the servers we use for our time critical web application (e-commerce). After the initial setup period we need availability of the same person to undertake the maintenance of the above servers. Our maintenance needs are low if the setup has been done correctly, however we need fast response in the rare case of emergencies. We need a US based administrator. Responsiveness is the quality we value more.
Skills: Linux System Administration Nginx Python
Hourly - Expert ($$$) - Est. Time: Less than 1 week, Less than 10 hrs/week - Posted
We are in need of one high level security expert to provide server vulnerability testing and hardening and someone to assist with possible site migration efforts. You must be trustworthy, an excellent communicator and have several years of network security experience. References will be required as well as an active LinkedIn account.
Skills: Linux System Administration DNS Network Administration Network Engineering
Hourly - Expert ($$$) - Est. Time: More than 6 months, 10-30 hrs/week - Posted
Looking to hire a part time server admin for regular support. We already have a server admin who maintains multiple servers but looking for someone to provide back in times where our admin is not available. Coverage hours are US standard time: 8am EST to 8 pm EST. I do not expect the back up admin to spend more than 2-3 hours per month on our servers. Required: - in depth knowledge of linux server administration - in depth knowledge of apache setup - in depth knowledge of gearman, nodeJs, symphony setup - in depth knowledge of mysql administration is a plus
Skills: Linux System Administration MySQL Administration Node.js Symfony
Fixed-Price - Intermediate ($$) - Est. Budget: $100 - Posted
We have an existing dedicated server running LAMP (Ubuntu 14.04.3 LTS & Webmin/Virtualmin) which serves CMS/PHP websites, client portals, email and mysql etc. We have 1 spare dedicated serve which is the same hardware and has Ubuntu 16.04.1 installed but is currently blank and unused. We're looking for a solution so that when Server 1 (the dedicated server already in use) needs maintenance, updates or if it fails then the second spare server detects this and takes over and serves the websites and other services. When Server 1 is then back online, Server 2 would then detect its presence again and sync any updates, file changes/emails or websites changes back to Server 1 again and then switch back so that Server 1 is serving the content again. We only have these two server available for this and no other hardware. The other problem is that we don't think we can use block level mirroring/DRDB or similar due to not having the right partitions setup already on the server in use. We're open to ideas and solutions on this but just need a simple and cheap solution that is reliable and won't corrupt or lose any data. We've already found a couple of potential guides to Heartbeat, corosync, pacemaker and keepalived but are unsure how to best use them and set them up without causing too much downtime on the active Server 1. This guide also mentions using rsync and looks reasonable and fairly simple but misses a couple of the requirements needed and also we're unsure if it is the best solution being a 6 year old post: http://mfarrukhsiddique.blogspot.co.uk/2010/01/highly-available-webservice-by-using.html We'd also need details of what is implemented and how to make sure it can be recreated in future if we add further servers or if we have a problem and need to reconfigure things. Thanks for any options on this.
Skills: Linux System Administration Computer Networking LAMP Administration Network Administration
Fixed-Price - Intermediate ($$) - Est. Budget: $400 - Posted
Hello, We are using "Parse.com" for a mobile application. We need to migrate the database to our server using Parse framework. Can you do the job ? We're waiting for a global budget and delay.
Skills: Linux System Administration
Hourly - Intermediate ($$) - Est. Time: 3 to 6 months, Less than 10 hrs/week - Posted
Looking for someone who is an expert with email and knows how to email into certain ISPs such as Microsoft If u are that person I want to hire u full time Must know delivery in and out or do not apply must know how to set up ips and make them work with a mailing system SEO is not in this position at all this is strictly email and delivery
Skills: Linux System Administration Email Handling Email Technical Support
Hourly - Intermediate ($$) - Est. Time: More than 6 months, 30+ hrs/week - Posted
We are looking for developers that can add to our team designing and implementing new features in our eCommerce web store platform. This position is with a team responsible for the ongoing development and maintenance of multiple systems which connect with MySQL back-end systems. Servers run Apache, Linux, PHP, HTML, and MySQL. Gather and analyze complex requirements and provide the proper solution Use CSS for consistent design elements with the pages served Create and schedule cron jobs MySQL: Design/implement sub-queries stored within the database to Use MySQL to retrieve/update/insert data via advanced queries with multiple sub-queries with EXIST and NOT EXIST conditions Web Development: Use PHP server-side programming language to: Customize/create/implement dynamic web pages to aid in management of projects, schedules, training and reporting with multiple levels of privileges Design/develop dynamic web pages that create output into other systems as needed Use AJAX to dynamically retrieve data for a portion of a page instead of reloading the whole page Qualifications: Must possess a strong knowledge of PHP and MySQL database navigation and maintenance and minimum 3 year experience developing web applications in similar environment LAMP developer with MSSQL and MySQL experience Minimum 3 year experience as a web application developer in PHP environment with SQL database back end systems Web application development including PHP, AJAX, CSS, HTML SQL database administration and maintenance Linux (Ubuntu) Good interpersonal and communication skills (oral and written) Minimum 2yr degree required but Bachelor’s is preferred in Database Administration or Computer Information Systems
Skills: Linux System Administration