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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    121 jobs found, pricing in USD

    Our dev ops guy configured MySQL backups each hour and for whatever reason over the last few hours the server load has maxed out and now the disk is entirely full and the server crashed. Need someone to SSH into the machine, find the location of these backups and delete them, turn off MySQL backups

    $87 (Avg Bid)
    $87 Avg Bid
    16 bids
    Miktrotik Expert 6 days left
    VERIFIED

    configure my miktrotik to do DDOS protection

    $63 (Avg Bid)
    $63 Avg Bid
    3 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$

    $29 (Avg Bid)
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    7 bids
    Help! Blocked Emails 6 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.

    $57 (Avg Bid)
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    10 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.

    $23 (Avg Bid)
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    4 bids
    Fix small VPS server issue 6 days left
    VERIFIED

    VPS server run on Centos 7 and have CWP. Apache is not starting. I run some websites on server. Thanks

    $15 (Avg Bid)
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    26 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?

    $33 (Avg Bid)
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    8 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.

    $31 (Avg Bid)
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    3 bids

    I currently have a physical machine with 4 Screens. I use VNC to connect to it and it works great (except no sound). There is one application that needs to be running standalone and multiple people need to be able to access it. It runs on 4 screens simultaneous. Now I want to have a virtual version of it in the data center, so it doesn't have physical monitors. Requirements: - Screen Shari...

    $513 (Avg Bid)
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    5 bids

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

    $360 (Avg Bid)
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    12 bids
    Ethereum or SSL expert 6 days left
    VERIFIED

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

    $116 (Avg Bid)
    $116 Avg Bid
    7 bids
    SPLUNK - 2 logs into Splunk 6 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?) (...

    $15 (Avg Bid)
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    4 bids

    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 ...

    $20 / hr (Avg Bid)
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    4 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...

    $43 (Avg Bid)
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    15 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 ...

    $15 (Avg Bid)
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    6 bids

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

    $153 (Avg Bid)
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    15 bids

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

    $11 / hr (Avg Bid)
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    20 bids
    Ubuntu Multi-Disk System 5 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.

    $16 / hr (Avg Bid)
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    8 bids

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

    $14 / hr (Avg Bid)
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    5 bids

    I need my website re-configured. I have a new gifting store in Shopify but i need some one to redesign it and add my 4 gift services in the store also i need to add options after my customers choose a gift for example (the receiver name and phone number also note ) . I need to add options if my customers want to buy a gift card if yes i want my customers to upload a photo to print it with the gift...

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    10 bids

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

    $9 (Avg Bid)
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    1 bids
    speed up Wordpress site AWS 5 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...

    $38 (Avg Bid)
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    16 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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    9 bids
    re-configured 5 days left

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

    $18 / hr (Avg Bid)
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    25 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

    $108 (Avg Bid)
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    23 bids

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

    $53 / hr (Avg Bid)
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    13 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
    Windows 2016 server clone 5 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) 5 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
    speed up Wordpress site 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 . current google page speed is 50 need it be above 90 curre...

    $94 (Avg Bid)
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    30 bids
    Server issue 4 days left

    Hello dear I have issue in my server

    $26 (Avg Bid)
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    33 bids

    i have a centos 7 server and apache installed there so im trying to fix mails but is not working, i want to install dovecot postfix with virtual users ( so from mysql i can add new mails and users) and then login to roundcube to send and recive mails please bid just if u know how to do this, coz i have tried following tutorials and that is not working -u need to work via team viewer in my pc ...

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    14 bids

    I need prouct added to my shopify website.

    $89 (Avg Bid)
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    35 bids

    I started a new VPS 1 month ago, very standard, with Centos 7 and Cpanel installed. Everything was working well, serving some websites, but 1 week ago, I found a problem: -> Using WHM "Gracefull Server Reboot", sometimes the server WONT COME UP... and I have to use the terminal to reboot again (sometimes more than one reboot) to the server come up. I´m looking for someone to ...

    $97 (Avg Bid)
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    17 bids
    website WP, optimization 4 days left
    VERIFIED

    I need my website re-configured.I need you to build my online store.

    $55 (Avg Bid)
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    28 bids

    FIX MY PHP CODE , CENTOS WEB DEVELOPMENT

    $46 (Avg Bid)
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    28 bids

    Following major crash I need help to restore DB and data from old HDD connected externally. Procedure on this webpage gets stuck at number 8 [login to view URL] centos6 plesk 12.5

    $390 (Avg Bid)
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    24 bids
    Network Design Documentation 4 days left
    VERIFIED

    Dear All, We are looking for a network engineer to write us a quick network design document that include diagram using visio drawing and writing on the nature of the setup. This is a call center setup project. The endpoints IP phone will register its connection to an AWS network. Network designer must write a proper document stating the network based on presentation tier, logical tier and physic...

    $153 (Avg Bid)
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    6 bids

    I am getting a 404 error while access an API URL, the main URL is working fine though, need to point the URL to the proper API service. [login to view URL] This is the MAIN URL for the API. [login to view URL] bapp/access/[login to view URL] this is the login URL which is not working. Need help to solve this.

    $19 (Avg Bid)
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    6 bids
    Linux expert needed 4 days left
    VERIFIED

    Linux expert needed to install meteor app in local system

    $3 / hr (Avg Bid)
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    11 bids

    We would like to connect wired Linux Device to Access-point by using PEAP-EAP-TLS authentication. This authentication method is available in windows but not in Ubuntu/Redhat as of now. But AFAIK, Cisco confirms that Linux can connect by using mentioned method. Currently, following is the key components in picture Wired 802.1x with PEAP-EAP-TLS Authentication method. 1) Supplicant ( Embedded linu...

    $393 (Avg Bid)
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    1 bids

    i am trying to download some files from filezilla, but getting error like File transfer failed and Response: 213 20170915103216 Command: TYPE A Response: 500 Unknown command.

    $24 (Avg Bid)
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    Hi, my domain is blacklisted under spamhaus DBL, SURBL multi etc, probably malware was sending emails on behalf of our domain/server, That needs fixing ASAP (malware is already cleaned from cpanel files) Budget $15 NZD Server Access via TeamViewer

    $16 (Avg Bid)
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    6 bids

    Our business email is being rejected as spam, with following message: SMTP error from remote mail server after end of data: 550-5.7.1 This message does not have authentication information or fails to pass 550-5.7.1 authentication checks. To best protect our users from spam, the 550-5.7.1 message has been blocked. Please visit We don't send emails to anyone we don't know ...

    $49 (Avg Bid)
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    I have couple new domains that need to setup in AWS Lightsail and Route 53. Hosting on Plesk. I have difficulties with the setting them up correctly, so somebody who knows what they are doing may have fix it in the second.

    $26 (Avg Bid)
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    Deploy any sample Laravel 5.7, php 7.2 or above code of your choice on CENT OS7 or ubuntu, Debian at linode.com. I have ssh root access. Max 30 minutes work for a right person.

    $10 / hr (Avg Bid)
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    We are looking for a company who has 24/7 server administration. We have between 4-6 servers running at the same time, and we are looking for a new company, who can be in charge of everything concerning the servers. It is important that there is 24/7 support, and that there is system admins attached, if it is not only system admins. If every case goes through level 1 or level 2 support first, the...

    $558 (Avg Bid)
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    24 bids

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