System Admin Jobs

System admin is the process or person employed to maintain and operate a computer system or network. System admins install, support, configure and maintain servers and other computer systems. They also periodically do scripting tasks and respond to service outages or other problems involving servers or desktops. If your business needs help with system admin tasks, then you can hire freelancers who can work with your computer systems. Talented and experienced system admin freelancers can be found here. Simply post your system admin task or job today.

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    151 jobs found, pricing in USD

    We are looking for a developer to extend / enhance / maintain our existing QT/C++ based apps (multi platform: Windows, Linux, Mac, Android and iPhone). It uses an Openstack Swift cloud object storage backend. We have a new UI/UX template, QT has a number of enhancements its made. Simple features and fixes: Implement new UI/UX. Utilize IPv6/HTTP/2.0 where/when available (already in QT) ...

    $4832 (Avg Bid)
    $4832 Avg Bid
    6 bids

    installation Microsoft dynamics ax 2012 windows 2012 ser VirtualBox single server installation for training

    $23 / hr (Avg Bid)
    $23 / hr Avg Bid
    3 bids
    SPF/DKIM Spam folder issues 6 days left
    VERIFIED

    I am having the following issues: SPF/DKIM issues, Mail-tester is hitting 9.3/10 but when my emails get sent, 2 of my 3 email accounts that I have subscribed (both gmail), it goes to spam. Prior to that, we were hitting the promotions tab. I want to get all of this addressed and fixed.

    $61 (Avg Bid)
    $61 Avg Bid
    3 bids
    amazon AWS 6 days left

    Need amazon AWS SMTP Need it urgently

    $122 (Avg Bid)
    $122 Avg Bid
    12 bids

    I need my website re-configured.I already developed it I just need you to build a api for a website plugin for my small busin

    $4 / hr (Avg Bid)
    $4 / hr Avg Bid
    2 bids

    Need to setup private NS domain in godaddy and vestacp I am using need to work on anydesk

    $19 (Avg Bid)
    $19 Avg Bid
    8 bids

    We have rented a server with 1 IPv4 and a /48 IPv6 range. The server is configured with the IPv4 and we want to add the IPv6 range, 1 IPv6 per /64 range, so 65.536 in total. The OS is the latest LTS of Ubuntu. Our program will use the IPv6 addresses get ranking results from Google. The results are saved to our database servers, which are IPv4 only. Definition of Done - All IPv6 addresses can...

    $162 (Avg Bid)
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    5 bids
    linux administration 6 days left
    VERIFIED

    i have to do somme operation with SSH

    $10 / hr (Avg Bid)
    $10 / hr Avg Bid
    24 bids

    Need help configuring DNS for sending and receiving email. This is for 1 domain...,

    $22 (Avg Bid)
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    18 bids

    (10 user cal) receiving the error the requested session access is denied

    $20 / hr (Avg Bid)
    $20 / hr Avg Bid
    15 bids

    Please configure PowerMTA and Mailwizz on my on-premise environment I have already set up onto AWS so basic configurations will be the same. Mailwizz settings and review of all configurations required.

    $14 / hr (Avg Bid)
    $14 / hr Avg Bid
    10 bids

    Initiative Overview: Core goal is to bring security logs from across the company into a central data lake & Sentinel (SIEM tool of choice in Azure). This data is primarily machine-generated, so real-time and extremely high-volume. Role Description: The work is very complex in nature & requires an advanced skillset to design, build, troubleshoot, and support our solutions. This individual ...

    $26 / hr (Avg Bid)
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    3 bids
    DNS problem 6 days left
    VERIFIED

    Some users seems to have issue connecting to my website Freelancer should be DNS EXPERT To check what is the problem and solve it

    $24 (Avg Bid)
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    28 bids

    Plex media Server my tv movies videos or not playing i have ubuntu os and Dedicated Server

    $278 (Avg Bid)
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    1 bids

    Linux knowledge required. Instructions here. [login to view URL] Also, incognito tech support seems to be readily helpful. Work remotely I will buy and connect computer to internet, so you can connect and do the work, or guide me to do what can not be done online.

    $419 (Avg Bid)
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    16 bids

    Plex media Server my tv movies videos or not playing i have ubuntu os and Dedicated Server

    $10 - $30
    $10 - $30
    0 bids

    Plex media Server my tv movies videos or not playing i have ubuntu os and Dedicated Server

    $15 (Avg Bid)
    $15 Avg Bid
    2 bids

    Plex media Server my tv movies videos or not playing i have ubuntu os and Dedicated Server

    $50 (Avg Bid)
    $50 Avg Bid
    1 bids

    Hello there, I tired really i tired with this issues. Its very urgently anyone know how to fix it its really very urgently I try to edit [login to view URL] I try to rebuild Apache I try to remove time from webconf I do everything same issues.. Centos 7 Web Panel

    $22 / hr (Avg Bid)
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    22 bids

    Plex media Server moies scanner is stuck scanning i have ubuntu os and Dedicated Server I someone with knowledgeable

    $22 (Avg Bid)
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    4 bids

    We have OpenVAS and GreenBone installed on the server. You will work with our AWS engineer and remote into his PC to do the work. We are running on an EC2 [login to view URL] instance with 64 GB of storage and 4 GB of RAM. OpenVPN and Wireguard running fine on the server and connected to a remote Raspberry Pi 4. We have a Raspberry Pi running Wireguard and we can SSH into the Pi, but we must ...

    $46 / hr (Avg Bid)
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    5 bids
    Asterisk context 5 days left

    Hello, We need to adapt an existing asterisk context to handle failover. We use freepbx.

    $161 (Avg Bid)
    $161 Avg Bid
    5 bids

    Turn Server setup on AWS( Teaching how to setup).. I have already Turn server on AWS it is working before 2 days Now it is not working ... Can some one teach me if any Issue happen how can restart it and setup

    $57 (Avg Bid)
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    13 bids

    Current environment Server : windows 2008R2 Enterprise SP1 Exchange : MS 2010 Version : 14.03.0279.002 Memory : 24 GB CPU : 6 Core : 1 Per CPU Processor: Intel(R) Xeon(R) CPU, X5675 @ 3.07GHz, 3066 Mhz, 1 Core(s), 1 Logical Processor(s) Mailbox SIze : 6TB No fo DB: 24 No Of Mailboxes: 1252 Logs: We have a separate drive for logs(L) We used to truncate the log...

    $16 / hr (Avg Bid)
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    4 bids
    IIS and SQL Server Manager 5 days left
    VERIFIED

    I am looking for an administrator who specializes in IIS and SQL Server to be able to determine bad behavior on my servers.

    $171 (Avg Bid)
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    14 bids

    Windows based asterisk voip to gsm gateway using real mobile phones connected to the USB ports which are recognized as extensions.

    $650 (Avg Bid)
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    3 bids
    VMWARE installation 5 days left
    VERIFIED

    The steps in creating SQL Always on using the following environment VMWare ESXi 6.5 VMWARE vCenter 6.5 Windows 2016 SQL 2017 I get stuck right at the process after creating the RDM Disk on of the virtual machines and sharing the disk to the other server installed on a second ESXi host.

    $31 (Avg Bid)
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    8 bids

    We are looking for a AWS Cloud Infrastructure Expert (DevOps) to Manage our Infrastructure including but not limited to EC2, S3, Code Deploy, Cloud Watch, IAM, Load Balancer, VPN in multi tenancy architecture for Production and Staging Environment along with Gitlab This role will will be responsible to enable our Development team with accessibility, scalability and security of our cloud infrastru...

    $451 (Avg Bid)
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    11 bids

    i have a problem with flush() with php-fpm and i need to enable ngx_http_fastcgi_module and configure it so i can use flush() function os centos 7 nginx + php-fpm

    $28 (Avg Bid)
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    8 bids

    Hello, i'm looking for an experienced sysadmin who will install and configure open source applications for us. The first would be Directus and the other calendso. Both open source should be installed on a Digital Ocean Droplet. The project is super urgent and should start immediately.

    $40 (Avg Bid)
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    8 bids

    For a school/community center: Set up network server (synology business or similar technology) and associated equipment. Reroute and/or remove old excess ethernet cables (climbing required, tight space maneuvering required). Install network software and bring all devices on line. Create SOP and train pertinent staff in use of network software.

    $544 (Avg Bid)
    Local
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    20 bids
    Discord Professional needed 5 days left
    VERIFIED

    Looking for a Discord expert. I have a discord server. However, it needs a lot of modifications and needs to get a lot more professional, I need someone who can program bots and host them, in addition i need you to have the abillity to correctly set up and design the discord server, channel creation role creation, etc

    $73 (Avg Bid)
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    8 bids

    I will provide all scripts and VPS. Need to install server side script. If you are intrested to do it, PM me. I will provide more details in chat.

    $18 (Avg Bid)
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    15 bids

    Hello, I have a proxy server using 3proxy software (Running on Debian10). I created a single port. When I send many requests from the windows machine, it's stopped at 14000 - 16000 requests. When I checked netstate that I got many of TIME_WAIT, the problem happened by lack of ephemeral ports for windows. Screenshot: [login to view URL] Now I want a solution for this problem without edit the ...

    $160 (Avg Bid)
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    6 bids

    Server with latest centos 7 booting everytime into emergency mode. Boot into Dracut because not recognize partition. Problem is: /dev/mapper/Volume00-root does not exist

    $33 (Avg Bid)
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    8 bids
    Resolve unexpected 503 error 5 days left
    VERIFIED

    We have a app that has been running for over 1 year stable. However, some days ago it stopped working and has been returning an error 503 without any changes on our end. We assumed it was a cPanel issue so we hired cPanel and after 7 of their tech's from Level I to III couldn't resolve it, we are now here. Think you can resolve it and are available to start immediately? Please reach ou...

    $34 / hr (Avg Bid)
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    35 bids

    We are deploying OCS Inventory NG tool, for patch management. We are able to deploy, and connect the clients-agents. Unable to push the patch in linux and windows systems.

    $171 - $512
    $171 - $512
    0 bids
    Koha Library Software on aws 5 days left
    VERIFIED

    You have to setup koha library software ([login to view URL]) to aws . we will access it through domain name. Also we have low visitor - 10-50 Daily. but we have 20000 books and 1500 students. We need low billing in aws. 1. you have to set up in aws 2. we will use mysql db

    $127 (Avg Bid)
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    7 bids

    Migrate DC/AD/FSMO, etc from SBS 2011 server to Windows 2019 server, excluding exchange. Will provide remote access starting on a Friday evening. Candidate must have a proven track record with Microsoft SBS 2011. When finished, any domain connected clients must be able to connect without having to rejoin the domain on the new server. IP address of the finished server needs to be changed to the ...

    $221 (Avg Bid)
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    10 bids

    Plex media Server my tv movies videos or not playing i have ubuntu os and Dedicated Server

    $10 - $30
    $10 - $30
    0 bids

    I am trying to follow [login to view URL] steps as part of [login to view URL] steps. I need your help execute these so I can setup open VPN from any client into my Draytek Router that has Private WAN IP (that's why VPN matcher config required). If you can quickly help me setup this then let me know. I have XCA installed in windows 10. Draytek Login ready to work on. When I tried the [logi...

    $11 (Avg Bid)
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    2 bids

    Plex media Server my tv movies videos or not playing i have ubuntu os and Dedicated Server

    $30 (Avg Bid)
    $30 Avg Bid
    1 bids

    We need a VPN Windows 10 client to connect to our pptp, l2tp/ipsec or IkEv2 server with credentials (username, password, host...) on source. Split Tunneling must be enabled and interface must have lower metric in order to broadcast allways to vpn. The client must only have one "Connect/Disconnect" button and other turn off/on Windows Firewall button.

    $437 (Avg Bid)
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    4 bids

    I need someone to setup my RPi 3B+ (fresh install with Raspberry Pi OS V.10) with a Squid proxy and multiple network interfaces. At the moment I have several 4G/LTE USB-Dongles connected to my RPi (each of them with a SIM-Card). Now I want to use the internet-connection of the 4G-Dongles from other devices in the internal network. If I access my RPi on Port 4667 with my laptop I want to proxy th...

    $196 (Avg Bid)
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    2 bids

    Hello Team, Please find the below requirement and please help me to get an exchange migration person asap this is very critical. Current environment Server : windows 2008R2 Enterprise SP1 Exchange : MS 2010 Version : 14.03.0279.002 Memory : 24 GB CPU : 6 Core : 1 Per CPU Processor: Intel(R) Xeon(R) CPU, X5675 @ 3.07GHz, 3066 Mhz, 1 Core(s), 1 Logical Proces...

    $32 / hr (Avg Bid)
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    3 bids

    Plex media Server my tv movies videos or not playing i have ubuntu os and Dedicated Server

    $23 (Avg Bid)
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    3 bids

    I need an Integration Architect with 8+ years experience. Following Job needs to be done: - Define the Integration Process/Concept for the Integration of 2 CRM Systems - Writing the Functional Requirement Document - Create the necessary Flow Charts Experience with following CRM Systems is preferable, but not a must: - SAP C4C - HubSpot I need a very experienced freelancer. The free...

    $43 / hr (Avg Bid)
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    17 bids

    Exchange Migration Consultant Current environment Server: Windows 2008R2 Enterprise SP1 Exchange: MS 2010 Version: 14.03.0279.002 Memory: 24 GB CPU : 6 Core : 1 Per CPU Processor: Intel(R) Xeon(R) CPU, X5675 @ 3.07GHz, 3066 Mhz, 1 Core(s), 1 Logical Processor(s) Mailbox SIze : 6TB No fo DB: 24 No Of Mailboxes: 1252 Logs: We have a separate drive for logs(L) We u...

    $17 / hr (Avg Bid)
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    1 bids

    i need a way to run 500 chromes instances at once , rdp , vps , aws , i am not sure but i want to make these run smoothly and each one of them will be playing a video on it .

    $30 (Avg Bid)
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    2 bids

    Plex media Server my tv movies videos or not playing i have ubuntu os and Dedicated Server

    $250 (Avg Bid)
    $250 Avg Bid
    2 bids

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