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Linux System Administration Jobs

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Hourly - Est. Time: 3 to 6 months, 10-30 hrs/week - Posted
You need to be available during PDT 9AM to 2PM Have you handled tuning for heavily trafficked websites with over a million active users before? Then we are looking for you. You need to be an expert at each and everyone of the following. Trouble shooting outages, scalability issues. (If you are not good at this then do NOT apply. This job is very very hard.) Be a engineer that does not give up on problems. (Seriously) Nginx web server tuning Varnish load balancing plus caching Maria DB + Galera Infrastructure Deployment automation using Chef Code deployment automation using Capistrano TCP/IP You will have the support of an excellent engineering team

Fixed-Price - Est. Budget: $ 100 Posted
Hello, PS : Who can apply for this job ? ANSWER : ONLY NATIVE ENGLISH SPEAKER WITH EXPERIENCE I am looking for someone to manage my Linux centos 6 server, to be a web hosting server ( NO CONTROL PANEL ), and install all security needed, protection, and softwares. : - Advanced Security Audit - Security software installation and hardening (Firewall, IDS, Kernel patches) - Upgrade software to the most recent, stable version - Date/time/time zone setup - DNS Setup - Removal of unused/insecure services - Updating kernel to the latest release + security patches (grsecurity/openwall) - Thorough security audit - Installation and configuration of firewall (KissFirewall/Bastille Firewall/APF) - setting up Iptables - Installation of security updates as released by OS - Installation of custom software as desired by customer - Configuration changes as desired by customer - Disabling of unused and insecure services - Removal of insecure packages and unnecessary software - Regular...

Hourly - Est. Time: 3 to 6 months, 30+ hrs/week - Posted
An experience Linux and Systems engineer who can also help with application support. The candidate will be trained on the application built on Linux. Experience should include: 1. Linux Deployment, Linux Administration 2. Systems level experience as well as packaging and installation 3. Ability to field customer issues on sensor, proprietary application (will be trained), and safety apps 4. Troubleshooting Network issues - understanding of TCP/UDP protocols 5. Security Assessments

Hourly - Est. Time: 3 to 6 months, 10-30 hrs/week - Posted
I have a Vertical Tomcat Cluster on a same cluster. There is 2 tomcat-8s and 1 nginx as a load balancer. Here my needs 1- Make performance optimization (also load testing needed) 2- Configure servers for production (Memory etc.) 3- Production ready log configuration 4- Tomcat monitoring tool 5- Tomcat security 6- Other issues when needed Documentation of the changes is a must. Our project is Java Spring MVC project. DB is MySQL. Server is Ubuntu 14.04 LTS 64 bit. 4 Core, 8 GB Ram, SSD HDD JEE App development experience is a plus.

Fixed-Price - Est. Budget: $ 200 Posted
I had someone set up mailwizz incorrectly. I want to go in another direction, but a lot of the vsp email work is done (it may need to be tweaked a little bit). I want to implement a multiple user Interspire system. I have 10 mail domain servers with power mta installed. I need to be able to send emails from email accounts (other than my main email) on the different domains with urls in the emails linking to those domains, so I can protect my main domain and email. Can we take what has been done already, purchase a multiple user license of Interspire, and get this to work the right way? I think it would work if (Each Domain is an interspire user, and we had one separate email account for each domain set up with forwarding to main email, and a wordpress install on each a domain so I can send the email traffic there). Here is what I would need: Server private DNS configuration Interspire Set up Help for Each Domain One Email Account Setup for each domain (Forwarding...

Fixed-Price - Est. Budget: $ 169 Posted
1. intall the developer SDK server from http://www.activetick.com/ on my linux server (i will provide binaries) 2. create python script that uses the activetick API to retrieve latest AAPL stock quotes, put them into my local mysql db and aggregate by second in second table. You might have to combine Python with Java... - Script can run in loop and query all 5s or using a scheduler to run all 5s. - aggregation can be done via MYSQL query (sum...)