Linux System Administration Jobs

1,240 were found based on your criteria

  • Hourly – Less than 1 week – Less than 10 hrs/week – Posted
    We have an Ubuntu server and we want someone to write a backup script that'll backup the entire server to an external hdd daily and email the results. The script also needs to be able to detect if the external drive is inserted, if necessary mount it before backup and/or if it can't find a drink it'll need to report that and provide an email notification. We will require that the script be installed on the ...
  • Hourly – More than 6 months – 10-30 hrs/week – Posted
    I am looking for a freelancer whose availability falls in between the following times for convenience with myself and my employees availability: 9AM - 1AM Australian Eastern Standard Time 7PM - 11AM Eastern Time (USA) The job will be to assist in migrating from a pfsense router to a high availability sophos UTM 9 software router/firewall. The applicant must be experienced in Sophos. We already have router and firewall experts (generalists), but we are looking for someone who knows Sophos so ...
  • Fixed-Price – Est. Budget: $10.00 Posted
    - Install a script A as service which load at start up. - Make sure the script A works with an application. - Make sure the script A works along with an other script B. - Make script B load at start up in graphic mode without desktop environment. - Make the application load in windowed mode over the script B. All script will be provided in mean time. Will have to work in SSH on a raspberry pi 2.
  • Fixed-Price – Est. Budget: $15.00 Posted
    Hello, I have a series of relatively simple programs that have an exploit/vulnerability in them. I will first give you a (paid) test assignment. You will SSH into the challenges. You will need to explain step by step how you have exploited the program. The goal of the exploit is to open up a shell. Based on the time and speed on how you can exploit it, we can go to further assignments. Thanks
  • Fixed-Price – Est. Budget: $50.00 Posted
    Hi, I'm looking for a server admin that can help me manage my server when I need assistance. You must be an expert in CentOS / Plesk / Apache / Nginx / SSH / Postfix / SSL / TLS / DDOS attacks Currently, I'm looking for someone who can help me fix the following message that shows on Chrome when I go to SSL page: ===================================================== Your connection to is encrypted with obsolete cryptography. However, this page includes other resources which are not secure. These resources can ...
  • Hourly – More than 6 months – Less than 10 hrs/week – Posted
    We need a dedicated server admin to assist us with managing and monitoring our server, and making recommendations as needed. The specifics of what we are looking for are: - Need experience using rack space VPS - CPanel/WHM in VPS environment - Ability to manage CentOS via SSH - Ability to manage CageFS and Cloudlinux We host and manage approximately 75 websites. We need to have superior uptime, reliability, security, and support. Also we need someone that can make recommendations on best practices ...