Linux System Administration Jobs

301 were found based on your criteria

  • 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 ...
  • Hourly – Less than 1 month – 10-30 hrs/week – Posted
    Hello, We're facing a problem where hacker is able to send out mass emails from our VPS. Even though we have changed the password, reinstalled cpanel, did clean Wordpress installs, a hacker is still able to place a spamming script somewhere in the Wordpress files. Looking for a person who can find a fix the security hole. Please note, deleting the spam scripts wont help as they will come back next day.
  • Hourly – 1 to 3 months – 10-30 hrs/week – Posted
    Immediate task involves finishing a drupal site. Many parts of the site are in place, but the site needs completion. Most HTML and CSS is done. Need product structure and shopping cart configuration completed. In the future tasks will include drupal and wordpress updates, moving sites between apache webservers and other similar tasks.
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