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. Hire System Administrators

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    128 jobs found, pricing in USD

    I need my website re-configured.I need you to build a website for my small business.

    $48 (Avg Bid)
    $48 Avg Bid
    13 bids

    We are looking to add custom features to our installation of MailWizz. These features include but are not limited to: -Segmentation of openers/clickers -Detailed reporting -Custom queries on subscribers We would like the right candidate to have some experience in PowerMTA, MailWizz, SMTP, Linux Servers, and PHP.

    $21 / hr (Avg Bid)
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    10 bids

    I have i laptop i want to make into a web server. Screen is broken so it has to be desktop version. I want server (website) to be public and Also ftp access from other devices. Router Access admin

    $25 (Avg Bid)
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    6 bids

    Admins wanted - I want to learn from you guys and not for free. So for one of my first lessons I want to learn from you on how to setup a geoip firewall blocking on my Ubuntu 18.04 server with firewalld installed. At the end I want to be able to - download, extract & install the xtables addon on my own - setup rules by command line - have the rule "block all countries but Germany"...

    $22 / hr (Avg Bid)
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    4 bids

    looks some hosting server issue.. checked whatever i knew but couldn't help to resolve the problems. website is still down. Need an Ubuntu expert to check the error.

    $19 (Avg Bid)
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    12 bids

    There's a need to build a system architecture for an enterprise using MxR.

    $1012 (Avg Bid)
    $1012 Avg Bid
    4 bids

    i have ubuntu server and my host send some data through the 5000 UDP port ubuntu can listen to the port and get the TCP dump data but my application did not get the data.

    $180 (Avg Bid)
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    4 bids
    Web development 6 days left

    Website needs streamlining and some plugin integrations need to be done to make it smoother.

    $182 (Avg Bid)
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    6 bids

    Hi, I have dedicated server and I have hired someone to install and set Virtualizor and PowerDNS, so I can divide server into several VPS servers. He did it and virtualization works. BUT, DNS, nameservers not. I need someone to check what he did with PowerDNS and to set me nameservers that my clients will use to set their websites on VPS that they buy from me. I have Centos 7 installed on my De...

    $67 (Avg Bid)
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    6 bids

    centos web panel ajax error and ssl error

    $6 / hr (Avg Bid)
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    12 bids

    set up dmarc, spf and dkim for email as well as consulting to remove it from 1 blacklist

    $65 (Avg Bid)
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    18 bids
    Server expert 6 days left
    VERIFIED

    Hi, I need a Ubuntu expert to help me with small server configuration Please contact me

    $25 (Avg Bid)
    $25 Avg Bid
    36 bids

    Hi, my IP is blacklisted under BARRACUDA, Hostkarma Black, ivmSIP, Sender Score Reputation Network, SORBS NEW, SORBS SPAM and TRUNCATE. That needs fixing ASAP Server Access via TeamViewer

    $35 (Avg Bid)
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    8 bids

    I want you to write steps of terminal commands to install MPTCP Ubuntu-mate 18. I have Ubuntu-mate 18 and I want to install mptcp from the git source as described in this link [login to view URL] I followed all the steps. However, I am not sure how to do this step based on Ubuntu-mate "Compile, install and reboot your kernel, as it is recommended by your distribution."

    $45 (Avg Bid)
    $45 Avg Bid
    7 bids

    job migration and installation 25 website migration cpanelwhm via cpanelwhm (easy job) the fixed probleme website installs curl, image magik, ioncube, ffmpeg cpanelwhm configuration,   change the listening port of the sshd server. .......................... job max 30$ job migration and installation 1/OLDE SERVER 25 website migration cpanelwhm via cpanelwhm (easy job) the fixed probleme webs...

    $28 (Avg Bid)
    $28 Avg Bid
    23 bids
    VMware VMFS Data Recovery 6 days left
    VERIFIED

    I am trying to import VMFS back to VMware, I've tried every possible way.

    $155 (Avg Bid)
    $155 Avg Bid
    15 bids

    Route53 extended solution; I have a VPC in Terraform that has DNS C-Names for each server, that is not my problem. There are two bastion servers that are on prem that are either pointed to by the router x.x.x.x or their internal IPs [login to view URL] ejs-blue and [login to view URL] ejs-green? Trying to have a solution for deploy jobs and other procedures to have directions? 1) what is the...

    $38 (Avg Bid)
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    4 bids

    The error showing is Failed at step EXEC spawning /usr/local/pgsql/bin/postgres: No such file or directory

    $26 (Avg Bid)
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    18 bids

    I have a vps server centos7-64 I would like to install the latest version of the following -asterisk/freepbx/a2billing/fail2ban/vpn -a2billing load balance traffic across termination gateways -IVR filter to drop test call generator (press DTMF to continue call)

    $213 (Avg Bid)
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    12 bids

    I have an exam coming up, I have one sheet double sided 8.5 * 11 paper I can bring, I need the following information on it: ch6 (L2 security), ch7 (cryptography) and ch8 (IPsec). firewalls also included and IPS case study (based on the lab). Correct configuration modes need to be reflected in the CLI prompts you enter. I have the notes for the classes, I need the sheet created which will co...

    $14 (Avg Bid)
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    3 bids

    I have a vps server centos7-64 I would like to install the latest version of the following -asterisk/freepbx/a2billing/fail2ban/vpn -a2billing load balance traffic across termination gateways -IVR filter to drop test call generator (press DTMF to continue call)

    $502 (Avg Bid)
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    17 bids

    I have setup an Asterisk Cloud deployment and need some help tweaking the final steps of the setup

    $355 (Avg Bid)
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    17 bids
    Miktrotik Expert 5 days left
    VERIFIED

    configure my miktrotik to do DDOS protection

    $83 (Avg Bid)
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    9 bids
    Help! Blocked Emails 5 days left
    VERIFIED

    The emails sent by our dedicated server (Postfix, PHP mail) are blocked or sent directly to junk folders by some networks like Hotmail, Bell, and AT&T. Our IP does not seem to be blacklisted. Sent messages pass SPF DKIM and DMARK. I need counselling from an email expert to help solve the issue. I will not give server access but can forward config files and email headers.

    $53 (Avg Bid)
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    12 bids

    I just need help from someone to create a VPN connection in my computer, so i my application can see the shared folder remotely. The budget is $10/=, I need it done now.

    $29 (Avg Bid)
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    12 bids

    I have Ubuntu-mate 18 and I want to install mptcp from the git source as described in this link [login to view URL] I followed all the steps. However, I am not sure how to do this step based on Ubuntu-mate "Compile, install and reboot your kernel, as it is recommended by your distribution." Can some one write the commands for me?

    $32 (Avg Bid)
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    9 bids

    Searching for someone who can teach the following topics in Linux -Caching only DNS server and its optimization -Setting up DNS primary and secondary Servers -DNS Views and Split Brain DNS -Setting up caching server for IPv6 -DNS security -DNS optimization The price for this training project is $25 so please do not quote above than that. Thank you.

    $35 (Avg Bid)
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    5 bids

    We need to hire a consultant to Setup ADSL+ ISP and Consultancy

    $379 (Avg Bid)
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    15 bids
    Ethereum or SSL expert 5 days left
    VERIFIED

    I have problems building Ethereum source on Windows 10 VS 2017 because I fail to Cmake SSL, need urgent help

    $112 (Avg Bid)
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    8 bids
    SPLUNK - 2 logs into Splunk 5 days left
    VERIFIED

    Need to get two logs started in Splunk and 5 to 10 minutes of your time to show me or review? These are the two logs that I need to get into Splunk; please recommend what else is needed? /var/log/[login to view URL] /var/log/syslog Is $10 ok? (Please note I am out of work and have a small budget) (If not how much?) (Please note I am out of work and have a small budget) (Did I miss something?) (...

    $14 (Avg Bid)
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    We have: Two routers, located in different places, interconnected by a tunnel of IPsec Task: it is necessary from network A behind router A to send all traffic by the tunnel to bring network A to the world through router B. LAN A => Router A => i-net => Router B => LAN B Router A - VyOS (you can change the OS) Router B - EdgeRouter (UBNT) hardware router, cannot be changed Router B ...

    $18 / hr (Avg Bid)
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    6 bids

    Hi I am after someone to setup confluence on a CentOS 7 VPS with Apache reverse Proxy and Let's Encrypt SSL Certificate. - Apache Webserver - Apache Reverse Proxy - MySQL Database (Latest version) - PHPMyAdmin (If Possible) - Let's Encrypt SSL setup - Atlassian confluence latest version I would like the setup documented and also the commands used to set it all up documented as well. S...

    $46 (Avg Bid)
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    18 bids

    Please note my crontab is not there after rebooting? (Currently using Ubuntu 18.04.1 LTS") Please note I have saw various information around googling and looking for someone familiar and clear with this know issue and having a solution? Is $10 ok? (Please note I am out of work and have a small budget) (If not how much?) (Please note I am out of work and have a small budget) (Did I miss ...

    $17 (Avg Bid)
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    7 bids

    I would like someone to help me set up the networking on host / clients.

    $147 (Avg Bid)
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    19 bids

    We require a dedicated server to be virtualized for FreePBX, cPanel and Windows.

    $11 / hr (Avg Bid)
    $11 / hr Avg Bid
    23 bids
    Ubuntu Multi-Disk System 4 days left
    VERIFIED

    To setup a system with multiple disks on 1 Server, to upload and update software independently but being able to function together as a whole. To begin 3 disks are used but more functioning disks can be added easily. System is installed and accessible with Teamviewer. Good knowledge of latest Ubuntu, Mount Points, Partitioning, Formatting, etc. is required.

    $17 / hr (Avg Bid)
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    9 bids

    Help me install any sample laravel 5.7 code on CENT OS7 at [login to view URL]

    $12 / hr (Avg Bid)
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    7 bids

    aws redirect localhost:8080 to subdomain. Server local iis. budget 8 euros . So the bid need to be with fee 8 euro

    $11 (Avg Bid)
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    2 bids
    speed up Wordpress site AWS 4 days left
    VERIFIED

    its already hosted on amazon EC2 with assets loading form S3. we'd like to use cloud flare too on top to speed up. right now for a AWS hosted wp site its really slow and it hardly has any plugins to slow it down. we don't use any editor pluins most of the pages are in pure html plus we are already using a caching plugin . Please type AWS Hosting on the start of your proposal cur...

    $40 (Avg Bid)
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    19 bids

    Hello dear I need an expert that can solve my server regarding the following from server provider: Server Provider 1and1 noticed that Apache was down with the following message: service httpd status Starting httpd: Syntax error on line 16 of /etc/httpd/conf/plesk.conf.d/[login to view URL]: DocumentRoot '/var/www/vhosts/default/htdocs' is not a directory, or is not readable So I re-crea...

    $27 (Avg Bid)
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    11 bids
    re-configured 4 days left

    I need my website re-configured.I need you to design a website for my small business.

    $19 / hr (Avg Bid)
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    28 bids

    aws redirect localhost:8080 to subdomain. Server local iis. budget 8 euros . So the bid need to be 8 euro

    $17 (Avg Bid)
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    9 bids

    I need my website re-configured., looking for php freelancer with good command on html5 and ajax to help me add new features on my existing website running on php

    $107 (Avg Bid)
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    25 bids

    Hello! We are a web/Internet Security expert based in the US

    $53 / hr (Avg Bid)
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    15 bids

    Searching for a RHCE certified expert who can teach RHCE syllabus to me. I have attached the RHCE syllabus with this job post.

    $388 (Avg Bid)
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    2 bids

    Searching a Zimbra Expert who can teach the following topics on Zimbra: Product Overview Architectural Overview Core Email, Calendar and Collaboration Functionality Zimbra Components Zimbra Application Packages Mail Flow — Multi-Server Configuration Zimbra System Directory Tree Zimbra Web Clients Web Services and Desktop Clients Offline Mode Security Measures Zimbra LDAP Servi...

    $35 (Avg Bid)
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    1 bids

    My Contact Forms(Contact form 7) are not working. And Wordfence has Detected some malware on once file, I want you to resolve this quickly. Bids above INR 200 /$ 3 will be automatically rejected. Experienced Freelancers who are new here on freelancer.com and want to get more work and good ratings feel free to bid. Note - Right now I am looking for Individual Freelancers only.

    $4 / hr (Avg Bid)
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    14 bids
    Improve Speed of my website 3 days left
    VERIFIED

    My website score is terrilble 16 in this link [login to view URL] and i want someone to improve speed of my website up to 90+ It is necessary to have knowledge for The PageSpeed modules are open-source server modules that optimize your site automatically. NGINX & APACHE [login to view URL] Professionals bid only. link will be shared privately. All issues must be fixed and https should also...

    $45 (Avg Bid)
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    16 bids
    Windows 2016 server clone 3 days left
    VERIFIED

    I have a Windows 2016 server that I would like to take a backup of and clone it to a brand-new server. The new server will be in the Azure data center. There's really not a whole lot on the server so definitely not a lot of data.

    $49 (Avg Bid)
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    13 bids
    Secure Issabel PBX (asterisk) 3 days left
    VERIFIED

    I have a very serious problem with my hosted PBX: It is available online but I already change the default 5060 to 10... Firewall and fail2ban are already setup. Sip phones can call using dialcheap and megavoip. The problem is that hackers make calls using dialcheap and megavoip and I cannot stop it. ##, *2, Tr are already disabled

    $65 (Avg Bid)
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    11 bids

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