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Linux System Administration Jobs

289 were found based on your criteria

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Fixed-Price - Est. Budget: $ 60 Posted
I have a problem with my VPS server. There are multiple wordpress sites hosted on my VPS which has cloud linux. The issue is with a lot of the wordpress sites, the plugins and sites become updated but some are outdated. What happens is that a security... more

Fixed-Price - Est. Budget: $ 35 Posted
I am trying to get 2 almost identical applications to run within a single Tomcat server but I am getting problems when adding the second application. Both of these applications share a single mysql database etc. It seems that either the settings are incorrect... more

Hourly - Est. Time: Less than 1 month, Less than 10 hrs/week - Posted
We are small company selling home wares such as duvet covers, bed sheets and pillows to wholesellers in the United Kingdom. We have a website www.slumbersensation.com. This website is hosted on Microsoft azure VM usng LAMP stack. We have some problem... more

Fixed-Price - Est. Budget: $ 400 Posted
We are looking for an experienced AWS developer who can consult on performance and security concerns for a hosted EC2 LAMP server that will be powering the backend of a social Facebook game. We need assistance configuring our current environment to achieve... more

Fixed-Price - Est. Budget: $ 50 Posted
Hi we are looking for our in house email server and dedicated server expert. if you have knowledge of Email servers, de-list ip and domains, IP pool, shared IP , Rotation of IP , and can be a good guide for our team who handling this. job should be... more

Hourly - Est. Time: Less than 1 week, Less than 10 hrs/week - Posted
Authorize.net now requires certain security certificates installed into a web application to use the (AIM) API provided by them to process credit cards. I need someone who can install the required certs into the server and ensure the server is able... more

Hourly - Est. Time: 1 to 3 months, 30+ hrs/week - Posted
We want a website that will capture emails from visitors and place them in an email Drip/Lead Nurturing system. The website will also be used to host multiple Store Fronts for multiple clients of the company. - The Store Fronts need to have the... more

Fixed-Price - Est. Budget: $ 40 Posted
Am currently running a mail server using postfix & dovecot on the same server as my web server. Need to optimize and fix bugs in this server configuration. Problem: Server sends mail outbound but cannot receive mail inbound. I would also like you... more