Linux System Administration Jobs

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Fixed-Price - Intermediate ($$) - Est. Budget: $60 - Posted
I want this tutorial installed into a a Raspberry Pi 2: http://www.pihomeserver.fr/en/2015/08/05/raspberry-pi-coovachilli-et-freeradius-pour-un-hotspot-wifi-avec-portail-captif/ The tutorial is called: Raspberry Pi, CoovaChilli and Freeradius for a Wifi Hotspot with captive portal. You may need the Ralink WiFi adaptator to test it: "Ralink RT5370 USB Wifi Adaptador WLAN 802.11n/g/b" You can work alone, and I want to receive the IMG. Burn it and test it.
Skills: Linux System Administration Embedded Linux Raspberry Pi
Hourly - Intermediate ($$) - Est. Time: 1 to 3 months, Less than 10 hrs/week - Posted
We are looking for an experienced administrator to help us design, setup and optimize an email infrastructure for our internal use and external clients based on Postfix (or eventually sendmail). Additionnally we plan to install a webmail solution such as Group Office, Zimbra, Roundcube, etc. Please let us know your experience.
Skills: Linux System Administration Web Hosting
Hourly - Intermediate ($$) - Est. Time: 1 to 3 months, Less than 10 hrs/week - Posted
We are looking for an experienced linux server administrator to manage our web server infrastructure for web hosting (all types of websites or web applications). Please provide your experience related to hosting, web servers (Apache, Nginx), databases (MySQL, PostgreSQL, NoSQL db), server security and optimization.
Skills: Linux System Administration
Hourly - Intermediate ($$) - Est. Time: Less than 1 week, 10-30 hrs/week - Posted
I have exams consisting of 50 questions prepared for each of the below subjects. Amazon - SysOps Amazon - Systems Admin RHCSA NCSA VMware ITIL Foundation CompTIA Project+ CompTIA Cloud Essentials I need the questions checking for accuracy and quality. Preferably by the same person. They are hosted on my test server in a quiz engine. We can allow 2 hours per exam to take questions and check quality/write feedback. Regards Paul
Skills: Linux System Administration Amazon Web Services ITIL Project management
Fixed-Price - Expert ($$$) - Est. Budget: $90 - Posted
Hi! I am looking for Linux System Admin who can set up three dedicated servers as follows: - install Ubuntu 15.04 on each with LVM partiotioning - install OpenVPN n each and connect in the virtual private network with bindIPs for the db servers, mail server, and web server - write and implement scripts to do LVM snapshots on hourly basis - write instructions on how replicate this work independently Admin needs to have excellent knowledge of Linux Logical Volume Manager as the system is extensively used to create LVM snapshots for backups. Currently, servers have standard filesystem configuration. The person will be working collaboratively with MongoDB admin to help him from sys admin perspective. In addition knowledge of mail servers (PostFix) is welcomed but not required. Finally, sys admin will need to create instructions for the above tasks.
Skills: Linux System Administration OpenVPN Ubuntu
Hourly - Intermediate ($$) - Est. Time: More than 6 months, 10-30 hrs/week - Posted
I need an experience System administrator to configure a secured IBM SoftLayer flex template (CentOS 6, Mysql 5.6, Php 5.4, Apache 2.4, Elastic Search 1.3.1, Monit 5.17, Memcached & Git) with a basic dev/stage/prod environement and an 2nd VM template for when I want the database on it's own [one time] I also need to automate deployment and administration using tools like composer, jenkins and or chef to be able to deploy and manage multiple VMs including developement Vagrant box [possibility of ongoing work] We also might have a Windows VM to setupp later...
Skills: Linux System Administration Apache administration Automation CentOS
Hourly - Expert ($$$) - Est. Time: Less than 1 month, Less than 10 hrs/week - Posted
Hi! We are a small but growing startup looking for an experienced linux administrator. The company seeks a highly motivated “full stack” linux administrator to join our team. The right candidate will deploy, configure, harden, and manage our AWS Ubuntu servers. The position requires the successful candidate to function in a fast-paced environment, with a mixture of responsibilities related to server configuration and deployment and security hardening and documentation. The ideal candidate will be a team player and possess a minimum ten years linux administration and deployment in production environments. Security experience is a plus. -Over 10 years of proven linux administration and deployment experience in a production environment -Complete understanding of all significant linux (specifically Ubuntu server and CentOS) capabilities and use cases -A demonstrated working knowledge of and experience with AWS EC2 and related technologies -Strong experience in installation and configuration of SSL certificates and SSL Labs tuning -Strong skills in security administration and server hardening -Able to work independently, but be a team player -Strong documentation and communication skills -Exceptional analytical and problem-solving skills, with a fine attention to detail Responsibilities: -Configure and deploy AWS EC2 instances -Migrate legacy production servers to new VPS instances -Deployment of LAMP stack -Security review and server hardening -Server image capture and backup -Setup and deploy cronjobs -Log rotation and backup for new VPS instances -Documentation of all server configuration and deployment work -Make recommendations for process improvements
Skills: Linux System Administration Amazon EC2 Amazon S3 Amazon Web Services
Hourly - Intermediate ($$) - Est. Time: Less than 1 month, 10-30 hrs/week - Posted
We need an app with VPN protocol developed by Microsoft. The Secure Socket Tunneling Protocol (SSTP) is a mechanism to encapsulate Point-to-Point Protocol (PPP) traffic over an HTTPS protocol. This protocol enables users to access a private network by using HTTPS. The use of HTTPS enables traversal of most firewalls and web proxies. The SSTP VPN client allow to establish a VPN with the last VPN protocol developed by Microsoft. The Secure Socket Tunneling Protocol (SSTP) is a mechanism to encapsulate Point-to-Point Protocol (PPP) traffic over an HTTPS protocol. This protocol enables users to access a private network by using HTTPS. The use of HTTPS enables traversal of most firewalls and web proxies. We want establish a VPN with a Windows server. It should support : *EAP-TLS support (Authentication with certificates) * EAP-MS-CHAPv2 support * IPv6 support * Auto connect on boot * Auto connect/pause/disconnect on WiFi/Mobile/WiMAX up/down * App filter * Tasker/Locale plugin * Support for HTTP/SOCKS proxies * Support for customized HTTP headers * Backup/restore configuration Here are the Microsoft open sources protocol :
Skills: Linux System Administration Java JavaScript Microsoft Server