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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    100 jobs found, pricing in USD

    I search Admin system for duplicate website in my server. If you speack french is very good

    $7 / hr (Avg Bid)
    $7 / hr Avg Bid
    10 bids

    Install OpenStack using devstack on ubuntu

    $170 (Avg Bid)
    $170 Avg Bid
    6 bids

    Hello, We are using and need assistance in properly configuring our DMARC, DKIM, and SPF records for four domains.

    $115 (Avg Bid)
    Featured Urgent
    $115 Avg Bid
    6 bids

    I need somebody to set up a 64-bit Debian Linux server as a virtual machine in Oracle VM VirtualBox. Please read the PDF below for more details about what you have to do.

    $49 (Avg Bid)
    $49 Avg Bid
    8 bids

    NOTE: Must be located in Europe Good evening, I would need a quote for the management of an infrastructure at a data centre where I rent amd ryzen/epyc dedicated servers. They all have the debian 11/proxmox operating system for vps virtualisation. What I would need is a systems engineer experienced in proxmox/kvm/debian to whom I would entrust the following requests - general maintenance; -monitoring and control - creation and resizing of vps; - isolation via wireguard hubs; - creation of wireguard tunnels for customer access; - backup server maintenance; - monitoring the correct operation of vps integral/incremental backup.

    $31 / hr (Avg Bid)
    $31 / hr Avg Bid
    9 bids

    When blue screen: KMODE_EXCEPTION_NOT_HANDLED

    $20 (Avg Bid)
    $20 Avg Bid
    5 bids

    Weblogic server is currently configured with an expired SSL certificate which needs to be updated and confirmed working. Following, the SMTP server with gmail will need to be confirmed as working or updated accordingly. Should be an extremely quick job for any WLS expert.

    $32 (Avg Bid)
    $32 Avg Bid
    8 bids

    Have setup SPF, DKIM records. have email score above 9 in mail tester. The email is getting delivered to gmail accounts but not on domain email.

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

    install & configure any free & secure mail server on plesk windows and apply securities to avoid spam. via anydesk currently using mailenable and horde with plesk but not happy with these. might be not configured properly.

    $20 (Avg Bid)
    $20 Avg Bid
    2 bids

    We are a small team, with some external consultant (10-15 engineers now). We would need support and suggestions on how to setup our IT infrastructure to support the following: 1. we want our engineers and external collaborators to work in a safe environment where source code is protected (they all have to connect to a server, with file trasnfer and copy disabled). Internet shall be disabled except what strictly needed for connection 2. we are evaluating if using on premise machines or cloud virtual machines (or on premise virtual machines) 3. we would like to have a sort of template for a computer (or VM) with software preinstalled, that we share with all engineers (internal or external). we simply duplicate it (in the sense of VM) 4. there can be some link to external sites or machines, ...

    $191 (Avg Bid)
    $191 Avg Bid
    17 bids

    I have the possibility to register the domains, if I register it and enter the DNS information. Some how I am unable to ping the domain. it is not access able. Any Idea?

    $27 (Avg Bid)
    $27 Avg Bid
    11 bids
    VPN Tunnel Server Config 6 days left
    VERIFIED

    I need to create my own VPN environment for low-latency gaming between two continents The most suitable VPN protocol for low-latency gaming is likely to be OpenVPN or IKEv2, I need someone who knows how to config both of which are known for their speed and stability We will create dedicated servers in both continents Africa and the USA that will act as the endpoints of your VPN tunnel. These servers should be fast and located close to your target users. We will Install VPN software (such as OpenVPN or StrongSwan) on both dedicated servers. Configure the VPN: Set up the VPN tunnel between the two servers and configure the necessary security settings to ensure that the data transmitted over the VPN is encrypted and secure. Test the VPN connection by using a network speed testing tool and a g...

    $221 (Avg Bid)
    $221 Avg Bid
    11 bids

    I would like best practices advice for security groups for Amazon EC2 and Google Cloud Provider

    $41 (Avg Bid)
    $41 Avg Bid
    10 bids

    I need a [BACKEND] developer that can build the backend of a app. if you're interested, kindly review the project on Trello and watch the demo video. what is your budget and timeline for all the tasks?

    $208 (Avg Bid)
    $208 Avg Bid
    30 bids

    I deployed my django project on digital ocean (ubuntu), but when I upload file over 2M, failed again again. So I looked at nginx config file and put cleint_max_body_size , but it didn't help . I am not familiar with this stuff, I need a professional, who can look at and fix this issue asap. You will be working on my pc remotely. you must be familiar with server management.

    $10 - $30
    Sealed
    $10 - $30
    15 bids

    I deployed my django project on digital ocean (ubuntu), but when I upload file over 2M, failed again again. So I looked at nginx config file and put cleint_max_body_size , but it didn't help . I am not familiar with this stuff, I need a professional, who can look at and fix this issue asap. You will be working on my pc remotely. you must be familiar with server management.

    $10 - $30
    Sealed
    $10 - $30
    10 bids

    I did an in-place upgrade from 2012 r2 to 2019. There is a GPO (found out afterwards) setup by the MSP for NPT. I used to set it up and it is still pulling from CMOS. I would like to remote someone in to fix it.

    $143 (Avg Bid)
    $143 Avg Bid
    17 bids

    Hi, We have a secondary line for the failover now. ISP has given us list of IP address we can use and a Gateway I just need someone to configure that on Opnsense firewall so if my main internet line goes down secondary line will pick it up Its fairly easy and simple project and wouldn't take long Thanks

    $65 (Avg Bid)
    $65 Avg Bid
    9 bids

    Looking for a high quality network engineer familiar with large scale networks, L2 / L3 protocols, Cisco, Mikrotik, HP, Juniper familiarity and available in the evening in the US Eastern TZ.

    $22 / hr (Avg Bid)
    $22 / hr Avg Bid
    16 bids
    We need a Penetration Tester 5 days left
    VERIFIED

    We need a penetration tester with knowledge of pen test tools such as OpenVas, Nmap, Nikto as well as tools to analyse workloads on web applications.

    $93 (Avg Bid)
    $93 Avg Bid
    23 bids

    Wanted to hire remote server and run few scripts for about a month

    $16 (Avg Bid)
    $16 Avg Bid
    5 bids

    SSL Certificate is purchased on Godaddy. Website is hosted on AWS. Steps : 1. Download CSR Code from AWS. 2. Validate the CSR code with Godaddy and generate SSL. (This can be done by godaddy). 3. Install the generated SSL from Godaddy on AWS.

    $29 (Avg Bid)
    $29 Avg Bid
    27 bids

    I am looking for a freelancer who are expert in system admin and PHP. I have a problem with my PHP because I'm getting an error on my server: Fatal error: Uncaught SpamassassinClientException: Service Unavailable: TELL commands are not enabled, set the --allow-tell switch The TELL command i am using on PHP is not enabled so I believe that the sa-learntell software is not installed on the server or it is not enabled. I need you to have a look to see if it is enabled or not and install on the server so I can mark my email as spam and not spam.I am happy to pay $30. No time wasters please. Thanks for your interest.

    $51 (Avg Bid)
    $51 Avg Bid
    9 bids

    I got a Public IP VM exposed to 0.0.0.0, but I want to allow traffic from specific IP Ranges and deny all other traffic. Can you replicate this scenario on your GCP environment ?

    $62 (Avg Bid)
    $62 Avg Bid
    9 bids

    Looking for a high quality network engineer familiar with large scale networks, L2 / L3 protocols, Cisco, Mikrotik, HP, Juniper familiarity and available in the evening in the US Eastern TZ.

    $37 / hr (Avg Bid)
    $37 / hr Avg Bid
    17 bids

    Sometimes 504 Gateway Time-out - PHP, Laravel, CentOS, Nginx

    $33 (Avg Bid)
    $33 Avg Bid
    10 bids
    Linux Scripting Expert 5 days left
    VERIFIED

    I am looking for a Linux Scripting Expert with a minimum of 5 years experience. Java Developer Expert with a Minimum of 5 Year experience

    $39 / hr (Avg Bid)
    $39 / hr Avg Bid
    26 bids

    Hi, I am looking for someone who can help me with network planning, architecture and configurations for hosting 2 servers in a data center. The datacenter will give a Long range single mode fiber for internet connectivity. You will be required to recommend 1. which switch to buy ? 2. create configuration for switch and configure vlan for a public interface which will work on ipv6 3. a separate vlan behind a VPN to access management port of the servers.

    $166 (Avg Bid)
    $166 Avg Bid
    16 bids
    PROBLEMA SSL 5 days left
    VERIFIED

    Tengo un problema con un certificado ssl en un dominio, en concreto en el wildcard *. DNS DCV: No local authority

    $29 (Avg Bid)
    $29 Avg Bid
    17 bids
    backend developer next js 5 days left
    VERIFIED

    I need a [BACKEND] developer that can build the backend of a app. if you're interested, kindly review the project on Trello and watch the demo video. what is your budget and timeline for all the tasks?

    $231 (Avg Bid)
    $231 Avg Bid
    48 bids
    Setting up Nextcloud server. 5 days left
    VERIFIED

    The file for my HomeDrive Nextcloud server got wiped somehow after installing a backup app and now I have to start over. I'm looking for anyone who has experience setting up Nextcloud servers who can help me either fix my config file or reinstall everything. Here is the documentation on how to do it for HomeDrive: I use AnyDesk, TeamViewer, and RustDesk for remote access clients.

    $161 (Avg Bid)
    $161 Avg Bid
    34 bids

    Sometimes 504 Gateway Time-out - PHP, Laravel, CentOS, Nginx

    $15 (Avg Bid)
    $15 Avg Bid
    7 bids

    As we are a health Domain Industry, we need to take care of security purposes

    $17 / hr (Avg Bid)
    $17 / hr Avg Bid
    10 bids

    Sometimes 504 Gateway Time-out - PHP, Laravel, CentOS, Nginx

    $27 (Avg Bid)
    $27 Avg Bid
    4 bids

    I would like to migrate my application running on other cloud to on AWS is already setup. I need to provision EC@, install tomcat , mysql and migrate site over to AWS

    $146 (Avg Bid)
    $146 Avg Bid
    32 bids
    I need AWS expert 5 days left
    VERIFIED

    Production environment in AWS. I have EC2 instances in a subnet and I am ubale to access from internet and on prem

    $110 (Avg Bid)
    $110 Avg Bid
    52 bids

    we have two separate AWS Accounts hosting two S3 Buckets, we need to create a replication process to replicate the source bucket from account 1 to the destination bucket in account 2. note both s3 accounts a separate AWS Accounts so replication needs to be setup to allow real time data replication across the AWS Accounts. you will need to walk us through the process other a conference session and instruct us on what to do

    $35 / hr (Avg Bid)
    $35 / hr Avg Bid
    31 bids

    Hi, I need someone to guide me to set up an IDS in a Smart Home environment. To be specific, the IDS will monitor and alert me if there is any unsual traffic coming in to my home network environment. Please engage with me for more details.

    $135 (Avg Bid)
    $135 Avg Bid
    8 bids

    Hi all, I need to update PHP version in a server that running CentOS 7, I installed it succesfully in the server but apache continue to works with PHP 5.5. I need to fix it, restore virtual server and DB.

    $30 (Avg Bid)
    $30 Avg Bid
    13 bids

    I need this installing on a sever pleas. Easy enough job

    $169 (Avg Bid)
    $169 Avg Bid
    18 bids

    I have a Ubuntu/Linux based server that needs updates applied, etc.

    $41 / hr (Avg Bid)
    $41 / hr Avg Bid
    40 bids

    Here are some requirement and directions for you: for example: cisco packet trace 1. 2 internal networks - separate IP addresses range Sales 100 IPs Production 300 IPs 2. Internal networs have to be in 2 separated VLAN 3. Propose hardware : Network equipment - routers, switsches 2x Mysql database server 4. Prepare logical infrastructure diagram for that network where you will provide: 3 level network - access layer, distribution layer, core layer uses those technologies Spanning Tree Protocol, Hot Standby Router Protocol, EtherChannel 5. Propose configuration of replication between two Mysql database servers some description for this 1. 2 internal networks - separate IP addresses range Sales 100 IPs Production 300 IPs 3. Propose hardware : Network equipm...

    $55 (Avg Bid)
    $55 Avg Bid
    14 bids
    Proxy to persist session data 4 days left
    VERIFIED

    Hello , we need an expert to assist building proxy solution: - Session to remote site need to stay available even the user logged out from proxy. - Multiple users can use same proxy without interruption between users, using same session data further details will be provided in chat. Best regards, Ilyess

    $176 (Avg Bid)
    $176 Avg Bid
    13 bids

    creation 2 vm machine on vmwarexy JOB NOW :::::::::::::::::::::::::::::::::::chek liste all job :::::::::::::::::::::::: creation 2 virtual machine on vmwarexy7 EXAMPLE machine server vps bind CENTOS 7 hostname: NS1 IP: ns2. NS2 IP: :::::::::::::::::::: !!!! very important: make a snapshot just of centos7frech which function and ping (Taking a snapshot of a virtual machine))) INSTALL VMWARETOOL ALL MACHINE update vmwaresxi security change por 22 ssh (if I have a problem I can just restore the fresh centos7 image !!! to understand you .................................................. ............ and after you install the apache centos panel, varnich, nginx: (for all vps machines) install centos panel check the link: ...........for all vp...

    $30 - $250
    Sealed
    $30 - $250
    4 bids

    creation 2 vm machine on vmwarexy JOB NOW :::::::::::::::::::::::::::::::::::chek liste all job :::::::::::::::::::::::: creation 2 virtual machine on vmwarexy7 EXAMPLE machine server vps bind CENTOS 7 hostname: NS1 IP: ns2. NS2 IP: :::::::::::::::::::: !!!! very important: make a snapshot just of centos7frech which function and ping (Taking a snapshot of a virtual machine))) INSTALL VMWARETOOL ALL MACHINE update vmwaresxi security change por 22 ssh (if I have a problem I can just restore the fresh centos7 image !!! to understand you .................................................. ............ and after you install the apache centos panel, varnich, nginx: (for all vps machines) install centos panel check the link: ...........for all vp...

    $160 (Avg Bid)
    $160 Avg Bid
    15 bids
    Admin Support Level 1 -- 2 4 days left
    VERIFIED

    Provide first level technical support and initial incident triage to Triangle’s enterprise clients, escalations happen by phone or email. Effectively deal with infrastructure and environment technical issues which may have been discovered during an operational check of a client’s environment. Ensure phones and emails are answered in a timely and professional manner. Logging of all calls and problems in Triangle’s ticketing system & follow through to resolution in a timely manner, always mindful of SLA’s and KPIs. Resolution of common issues with minimal supervision or review whilst understanding the need to escalate issues within the team as necessary. Escalate issues appropriately and with the required level of detail internally within Triangle or to relevant v...

    $262 (Avg Bid)
    $262 Avg Bid
    4 bids

    مرحبا اخي اريد برمجة تطبيق مثل هذا التصميم الذي اريده شبيه بهذا التطبيق شبيه وليس مثله تماما ليس كل الامكانيات اريدها في تطبيقي ولكن تقدر تقول نصفها وبالنسبة للداتا ممكن ناخدها من هذا التطبيق اريد تطبيق ليس به مشاكل وفي مدة وجيزة في انتظار اطلاعك علي التطبيق وردك

    $460 (Avg Bid)
    $460 Avg Bid
    4 bids

    DCS migration project that will require a senior controls system engineer with system migration experience for converting PROVOX-to-DeltaV. Work can be done remotely.

    $52 / hr (Avg Bid)
    $52 / hr Avg Bid
    20 bids

    I want to set up a Linux VPS ( OpenWRT router gl-axt1800) and be able to connect to it when away with another Linux OpenWRT router gl-mt3000 (without installing anything on my computer). I should be able to use the mt-3000, connect to my axt1800 acting as a server and get the axt1800 IP and DNS. However I am behind a CGNAT or double NAT and nothing can pass through the public IP. I have tried installing ZeroTier and Tailscale in both VPS and client routers, and I am able to make my routers ping at each other, but I cannot make all traffic go through VPS and have VPS IP and DNS. Please could you help me set up the VPN so I have IP and DNS from VPS?

    $45 (Avg Bid)
    $45 Avg Bid
    6 bids

    Hello I purchased a VPS server from namecheap you just need to setup the nameserver and other's correctly. I already did that but i am getting error nameserver not valid. 1. Setup the nameserver in WHM and other things 2. I have created a cpanel for my domain make the domain work correctly 3. Configure all the dns record for my domain so that i can send email properly. I can't give login access but you will get teamviewer or anydesk access. I will pay $5 total and a good review. Thanks

    $7 / hr (Avg Bid)
    $7 / hr Avg Bid
    11 bids

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