Linux System Administration Jobs

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Fixed-Price - Expert ($$$) - Est. Budget: $1,000 - Posted
Looking for experienced developer to build HIPAA compliant HL7 platform, to connect several customers to my healthcare software. The selected candidate would develop and host the HL7 solution
Skills: Linux System Administration HTML5 JavaScript PHP
Fixed-Price - Intermediate ($$) - 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 ($$) - Est. Budget: $400 - Posted
Hello, We are using "Parse.com" for a mobile application. We need to migrate the database to our server using Parse framework. Can you do the job ? We're waiting for a global budget and delay.
Skills: Linux System Administration
Fixed-Price - Expert ($$$) - Est. Budget: $500 - Posted
We are looking to develop one CDR Analysis Application for Windows. We will show you some sample application for getting idea. We are looking for only experienced people should apply on our project. After getting selected for the project, it should be completed within 7 days. There will one admin panel from where all the user accounts will be controlled. All the users could be able to download our application from our website but for activation of the subscription, we will provide them a license. That license mechanism should be given in our admin panel of the application. There should be search button also where we could put and search anyone's mobile number or email i.d then it should show us that mobile number and email i.ds availability on internet either it is on facebook, twitter, linkedin, whatsapp or any other place on internet. There should be an option to give customer support to users. From where we at admin could see their problems through remote desktop like team viewer.
Skills: Linux System Administration .NET Framework C# C++
Fixed-Price - Intermediate ($$) - Est. Budget: $20 - Posted
Hello, I have bought a video streaming script where i need the script to be configured with lighttpd. I will be having Cpanel installed on the server. I need Help in installing lighttpd with Cpanel. Server should be running on port 80 for apache and port 81 on lighttpd My streaming script should be configured with lighttpd 1) Compile lighthttpd from sources with h264, FLV and Flash support 2) Configure Video Script to streaming videos with lighttpd on port 81 3) Configure lighttpd to give temp links I need documentation for this project. I will pay the full amount only after job is finished Thanks
Skills: Linux System Administration CentOS FTP Lighttpd
Fixed-Price - Intermediate ($$) - Est. Budget: $50 - Posted
We are looking for an experienced Linux admin to install and configure a mail and web server on our Amazon Web Server instance. If the project goes well we would like to keep this engineer for long-term administration support, change-management and patch maintenance. Expectations: - Install and patch latest Ubuntu Server LTS release - Install and patch GUI (Gnome desktop or equivalent) - Configure and demonstrate remote access to server - Security hardening against known vulnerabilities - Configure and demonstrate Postfix mail server - Configure and demonstrate Dovecot POP - Configure and demonstrate HTTP web server - Configure and demonstrate webmail portal (SquirrelMail or equivalent) - Install and configure self-signed SSL certificate - Customize webmail login page with our company logo ** Delivery within 2 - 3 days
Skills: Linux System Administration Mail Server Implementation Web Hosting
Fixed-Price - Expert ($$$) - Est. Budget: $150 - Posted
Looking for someone to diagnose and fix the reason why we can no longer SSH into our server. We can do so via console in cpanel, and login via WHM however putty SSH no longer works. We also have something that keeps crashing our server on a daily basis and need to get to the bottom of what is happening. We believe it is coming from too many SQL queries that are being generated by a ticketing system we have.
Skills: Linux System Administration CPanel MySQL Administration WebHost Manager (WHM)
Fixed-Price - Intermediate ($$) - Est. Budget: $30 - Posted
Implement/install GNU Health (http://health.gnu.org/) on a cloud server. The system needs to be installed on a cloud service on Digital Ocean. This is actually a migration of an existing installation of GNU Health. We'll provide you with details of the current droplet and you'll need to setup and migrate it to a new droplet. The reason for the migration is that the current installation has been hit by a Denial of Service attack.
Skills: Linux System Administration