Linux System Administration Jobs

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Hourly - Entry Level ($) - Est. Time: Less than 1 month, Less than 10 hrs/week - Posted
*Background* We have a new setup with 8 servers, with currently very basic monitoring. We want to add monitoring and alerts to the system, so that we can relax that the system is up and running if we don't get an alert. Plus the ability to log in to a gui and check the server and service status. If you do a good job with this project we might very well hire you long term for system administrations. Please read the entire description before applying to this job. *Requirements* You have excellent communication skills in english (there will be a small test before I hire you), and you are an experienced system administration. You know what you're doing. *The project* We want help with: - Setup a nagios server using ansible. All servers have been installed using ansible. (Suggestion to use - Setup monitoring on the 8 servers (more info below). - Setup alerts for notification of various events. - Would be nice with graphs of server/service uptime and similar *The system* - 1 homepage (php, wordpress), 4 web applications (1 node.js, 3 php) - Servers hosted on digitalocean - Ubuntu 14.0.4 - 2 load balancers (one active) - 2 Node.js application servers - 2 php application servers - 2 MySQL database servers in a master->slave setup *The monitoring* The below represents a suggestion of what to monitor, but we expect you to have the experience to suggest additional monitoring. Server What? Notification (Hipchat for all) All Memory >80% Mail All CPU > 80% Mail All Disk >80% Mail All ping Mail + sms Web Web, ie string on firstpage Mail + sms Web Response time > 10.000ms? Mail + sms db01 Unable to connect to db Mail + sms db01 Replication behind Mail + sms balancer01 Change in server status Mail + sms If you need additional information, please don't hesitate to contact me. In order for you to be a freelancer we select, please write "I read the entire description" in the beginning of your response.
Skills: Linux System Administration Ansible MySQL Administration Nagios
Hourly - Intermediate ($$) - Est. Time: 1 to 3 months, Less than 10 hrs/week - Posted
I am searching for an expert in the Amazon Web Services world. We're looking to move our WordPress website over to AWS, and develop a Virtual Private Cloud for our small business. We need someone who will log into our AWS account and build out our network with 1 EC2 Instance, and 1 MySQL DB Server. Set up Amazon CloudFront, Route 53 DNS, and a small Virtual Private Cloud for our company. We currently run our website on AWS via a company called Cloudways (like Pagely, etc..). We would like our web server setup similar (if not better) that the Cloudways Thunderstack, which leverages: Apache, NGINX, Varnish Cache, Redis, Memchached, and MariaDB (we are open to using MySQL too), PHP-FPM, Fast-CGI. The bottom line is speed. Our WordPress website is very resource intensive and utilizes about 40 plugins to keep it online. It's very heavily run by WooThemes WooCommerce. All of our plugins are Premium Paid, and are written with excellent code. Currently, our website is doing very well on AWS. Which is why we want to continue to use AWS, but want to build out our own environment. More information on the Cloudways Thunderstack can be found here: NGINX+ is also very attractive. Although it is not used by Cloudways. I am not very knowledgable on AWS or best practices. so I am open to any and all expert recommendations. I am very seriously about getting this up and running, and would like to move forward immediately. Moving forward. I will be looking to use you as a system admin when needing to make changes. Experience with WordPress is also a plus, as I am looking for a freelance web developer to fix problems as they manifest themselves.
Skills: Linux System Administration Amazon EC2 Amazon S3 Amazon Web Services
Fixed-Price - Expert ($$$) - Est. Budget: $60 - Posted
Introduction: We have installed on Requirements: 1. Provide smart "How can I help you?" on the home page.. This can be integrated into https::// and other important pages. Support features such as a. If the person for example stays and does multiple page views b. The widget goes into the centre of the page if the user stays for longer time. c. Summary of conversation can be email or recorded. d. File uploads, drag and drop. 2. Connect chat to our Skype account. a. Notifications go to Skype account b. Ideally it goes to multiple skype accounts c. Skype chat integration would be ideal. Contracter Requirements 1. Must be available on Skype for voice and text chat 2. Must be readily available on Skype.
Skills: Linux System Administration Live Chat Operator Live Chat Software PHP
Fixed-Price - Entry Level ($) - Est. Budget: $150 - Posted
 Linux System Administration - RHEL, Centos, Debian and Ubuntu  IP Telephony, IP-PBX, Predictive Dialer - Asterisk IP PBX  Skills include deploying, migrating and managing medium to large-scale Servers and desktop environments, designing and implementing system tools and automating operational tasks. Computer Telephony Integration, VoIP, Asterisk, Asterisk,Trixbox, FreePBX and VICIdial Predictive Dialer and Enterprise Call center Solutions/Dialers.  Excellent analytical abilities.  Thorough knowledge of MySQL, Linux, Asterisk, Vicidial, number systems, application servers (Tomcat / SSL), telecom scripting tools, TCP/IP addressing, SIP trunking, Centos  Good understanding and experience in telecom technologies such as ISDN, VoIP (SIP / H.323).  Experience in configuring telephony hardware including Dialogic, Digium, Synway.  Connecting Asterisk to a VoIP provider.  Configuring and manipulating CDR (Call Detail Records) as well as CEL (Channel Event Logging)  Call queues and ACD with Asterisk.  Call routing using DUNDi.  Using AMI (Asterisk Manager Interface) to control Asterisk from an external program.  Using AGI (Asterisk Gateway Interface) to execute external scripts and connect Asterisk to external APIs.  Troubleshooting Asterisk system.  Effective use of Asterisk features, such as call parking, audio conferencing, and DTMF feature codes.  Call monitoring and recording;  Theory of Analog telephony, and how to connect Asterisk to the PSTN.  Digital telephony using T1s and E1s.  SIP and IAX protocols.  Asterisk and Linux Security to maintain a secure system.
Skills: Linux System Administration Asterisk Elastix FreePBX
Hourly - Entry Level ($) - Est. Time: More than 6 months, 10-30 hrs/week - Posted
I need a Linux/Windows sysadmin to administer several servers. Linux server in on AWS, and is used primarily as database server, Windows server in another hosting and will be used as application/script server. You must know Amazon AWS administration specifics. Please specify your availability, as well as response window during different parts of the day. Please specify if you are available for emergency support during off-hours.
Skills: Linux System Administration Amazon EC2 Windows Administration
Hourly - Intermediate ($$) - Est. Time: More than 6 months, 30+ hrs/week - Posted
----- PLEASE ONLY BID IF YOU CAN DO 40hs/week. ----- We are looking for a long-term full-time DevOps Engineer to join our team. The candidate needs to have proven experience in the following areas: - Linux System Administration in production systems. - FreeBSD System Administration (Desired). - AWS management experience. - SaltStack configuration management (Other tools like Ansible, Chef, Puppet is ok). - DevOps Tools (Packer, Terraform, Docker, Vagrant, RunDeck, etc is a huge plus). OpenSource projects collaboration is a huge plus, if you have a GitHub profile please share it with us. The position is for a full-time job (40hs/week) and can work from anywhere in the world.
Skills: Linux System Administration Amazon Web Services FreeBSD MySQL Administration
Hourly - Expert ($$$) - Est. Time: Less than 1 month, Less than 10 hrs/week - Posted
We are looking for an expert in email marketing to setup the email campaign webapp for us. Requirements: * We need to setup the Acelle Mail webapp on our own VPS * Also, migrate from an older version of Acelle Mail (1.2.1) to the latest one (2.0.4) * Setup Acelle Mail to work with our SMTP server as well as some others' * Setup SSL cert for our Nginx server Important: only people with prior experience in Acelle Mail should apply. This is part of a long-term job for maintaining our email system. Thank you Smith
Skills: Linux System Administration Email Marketing SMTP