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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    126 jobs found, pricing in USD
    Galera settings (my.cnf) 6 days left
    VERIFIED

    We are looking for a sys admin with alot of experience with Galera cluster. All is setup, we have 7 nodes, 2 slaves, 2 load balancers. We need some guidance and reviewing on our configuration file ([login to view URL])

    $217 (Avg Bid)
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    4 bids

    ftp is created in Cpanel through WHM but its not working. client need to make sure ftp configuration is done properly and need to make it work.

    $21 (Avg Bid)
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    15 bids

    Upgrading client's server from CentOS 6 (Apache 2.2, PHP 5.6, mySQL 5) to CentOS 7 (Apache 2.4, PHP 7.2, MariaDB 10). Client has a membership website where you need to log in with a valid username (email address) and password. This login info is stored in mySQL database, and is referenced in .htaccess file using standard Apache mySQL authentication - and it works great - on the old CentOS...

    $192 (Avg Bid)
    $192 Avg Bid
    9 bids

    I installed Ethereum wallet on ubuntu 16.04 server. By the way, wallet syncing doesn't end. It's getting blocks infinitely for 10 days. Need help on this

    $10 (Avg Bid)
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    1 bids
    Pfsense configered 6 days left
    VERIFIED

    I need some one that can configure a Pfsense box.. *Must be a expert in Pfsense!

    $75 (Avg Bid)
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    4 bids
    Cisco Meraki Api 6 days left

    I want to build a customized dashboard using the cisco meraki api, for wifi analytics purposes. I don't have the experience to even know if it's possible. Also wifi analytics advisory would be great.

    $1170 (Avg Bid)
    $1170 Avg Bid
    7 bids

    I need a VBA or other type of programming to add multiple accounts into MS Outlook (2007 and above). The account details can be entered in an Excel sheet. VBA should manage account creation for me. Thanks.

    $81 (Avg Bid)
    $81 Avg Bid
    2 bids

    Hello Team, I have a couple of established VPN tunnel to my servers via a cisco asa device, I would like to remove these devices and establish the tunnel directly to the server via IPSEC firewall. I need someone who has experience in this area and can get it done quickly. Regards

    $33 (Avg Bid)
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    4 bids

    Bootlin ([login to view URL]) is an engineering company specializing in embedded Linux, and passionate about Free Software and Open Source. Our company is often in the top 20 contributors to the Linux kernel by the way! We currently allow our customers to share files with us through an ftp serveur (using vsftpd), but this can be complicated for some of them to use an ftp client. Therefore, we wan...

    $140 (Avg Bid)
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    14 bids

    Mailman sends out email alerts to a few Distribution Lists. However, some customers do not receive their email messages while some others do receive them.

    $1077 (Avg Bid)
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    3 bids

    We have some IT administrators as freelancer. We need to have one more very good freelancer to help us then we have som issues. Our servers is pleks for mail and domains, Bind for DNS. Right now we have an issue: one of the domains (Mail) on the server will not send mail. We can recieve mails but not reply or send....

    $26 (Avg Bid)
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    17 bids

    I have a Virtual Compute Node on a Public Cloud Server. It uses CentOS+Apache+MySQL. I want get Performance and Security Optimizations to be done for the websites hosted on the server. This will involve setting up cache, checking the existing server configuration and whatever is required.

    $112 (Avg Bid)
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    8 bids
    Implement SSL for mobile Apps 6 days left
    VERIFIED

    I need an experienced person who can help me to setup SSL for my mobile Apps (Android Studio & iOS - Xcode). To do: * choose the right SSLs to be purchased * integrate SSL to my Mobile Apps * help deploy and ensure its perfectly works * explain / walkthrough and document

    $232 (Avg Bid)
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    25 bids

    Hi i am looking for AWS expert to quickly fix my AWS website. it is showing old version of the site. i think it's cache issue

    $26 (Avg Bid)
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    18 bids

    We have 2 sophos firewall installed XG115, now in the network we have IPPBX installed behind the firewall at 2 locations as enclosed is the network map below. Now as it can be seen that both firewalls are connected through an IP-SEC Tunnel and both the firewalls have an IPPBX behind them. Now the issue is that when we connect from a mobile user through VPN, the mobile user is able to connect to t...

    $357 (Avg Bid)
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    6 bids

    hi there , we have a Docker images set for mailserver is there anyone with already experience in setting this feature , we have a roundcube with few identites , we dont want to use Roundcube STMP settings for identities , we want it to be solved via the postfix with this relay host feature ... Dont BID if you dont have experience in this , we cant afford to make mistakes ..

    $162 (Avg Bid)
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    4 bids

    ***WHO IS ELIGIBLE TO APPLY*** Please only apply for this project if you live in: Eastern Europe The Western Balkans Russia ***PROJECT SUMMARY*** I'm currently running Gallium OS 2.1 [login to view URL] which is based on Lubuntu. Before I walk away from my computer–when I remember—I run something similar to the following script to suspend my computer... ************ ******...

    $68 (Avg Bid)
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    2 bids
    VESTACP APACHE + NGINX HTTP/2 6 days left
    VERIFIED

    Hi guys I need help to update VESTACP control panel for centos 7 to support HTTP2 without break anything rebuilding nginx and Apache for support http2. Actually suppprt http2 via nginx but without ALPN because old openssl

    $124 (Avg Bid)
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    14 bids

    We want to setup a mail server in aws ec2 that will use nextcloud and rainloop app as the webmail interface. We need the mail server to get properly installed and all the ssl security features and the proper settings so the emails are not flagged as spam or blocked by gmail or yahoo mail. The nextcloud account should have a proper s3 bucket for the file storage for low cost. Will also have [log...

    $79 (Avg Bid)
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    16 bids

    looking for AWS certified experience people hosting and managment

    $10 / hr (Avg Bid)
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    18 bids

    perform RIP or OSPF for configuring topology

    $23 (Avg Bid)
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    24 bids

    1. Optimize cPanel Server (Dedicated), we want to maximize performance with the same hardware. 2. Outgoing spam detection and automation. 3. Incoming spam configuration. Please suggest one tuning you will done for each of the category below, we will see if you are qualified. E3 Server 32GB RAM 2 SSD RAID 1 (OS, MySQL and main site) 2 HDD RAID 1 (Other site) 1. MySQL tuning 2. Kernel tuning with...

    $52 (Avg Bid)
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    13 bids
    hamele dray 6 days left

    The work will be correct and complete in the time allowed

    $15 - $25 / hr
    $15 - $25 / hr
    0 bids
    Citrix support - ongoing 6 days left
    VERIFIED

    Citrix support including . Citrix XenDesktop 7.x and Citrix Netscaler (Gateway and Loadblancer) knowledge. XenDesktop/XenApp 7.x with Machine Creation Services and Netscaler+ will pay for being on call plus any extra hours worked, ongoing support project Need this person to work in GMT +10 time zone, ideally lives in New Zealand or East coast of Australia. Must speak fluent Englis...

    $44 / hr (Avg Bid)
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    10 bids
    zimbra configuration 6 days left
    VERIFIED

    OS: CENTOS minimal Topic: Zimbra Pre-Conditions: - apache web server is already installed - zimbra is installed and configured properly Requirements: configure zimbra proxy so that apache web server can communicate with that. the zimbra admin and webmail should be available via subdomain.

    $35 (Avg Bid)
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    10 bids

    Hello, i need to configure SSH and SFTP Jailed User in Ubuntu Server

    $26 (Avg Bid)
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    28 bids

    Need a local (Irving, Texas) Microsoft Server Administrator to help configure roaming user profiles in a small office which as several Windows 10 Pro desktops. Roaming user profile is setup, but login is very slow when user moves to another Windows 10 Pro desktop.

    $51 / hr (Avg Bid)
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    10 bids

    It is a VPS Server set up already here you can log into will you test the code

    $27 (Avg Bid)
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    14 bids

    Hi We have a website on Wordpress & off late the Google Ads have started to get rejected and the reason that they show is that of malware; we are looking for someone who can look into the issue and also make sure that the ads are approved in Google Adwords. PS: the project will be considered as complete only once the ads on Google Adwords are approved.

    $23 (Avg Bid)
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    15 bids

    I need someone with expert knowlegde on zimbra mail, I have set up the server and it working well but I can't send emails to gmail or yahoo. I would like to have resolved as soon as possible.

    $27 (Avg Bid)
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    16 bids

    What is root and www-data in the picture is the error in the installation or permissions. root means that 80 port cannot open the page.

    $25 (Avg Bid)
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    14 bids
    linux server ssh setup 5 days left
    VERIFIED

    Need someone good with Linux server setup experience to setup remote access. Thanks

    $6 / hr (Avg Bid)
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    57 bids
    BioTime from ZKTeco 5 days left
    VERIFIED

    Hi i have 4 device of ZKTeco iClock 880 and i want so setup attendance systems if you have experience with configuring biometric systems the i need your help thanks

    $148 (Avg Bid)
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    4 bids

    Need guy who can setup yii2 application on linode server having ubuntu 14.04 LTS

    $29 (Avg Bid)
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    10 bids

    1) The [login to view URL] website is crashing 2-3 times per week requiring a server restart but Pioneer Craft site is fine so this is a new type of problem as in the past both sites went down together. 2)The plesk panel needs an update as is showing this: Extended support for Plesk 12 The version of Plesk installed on this server (Plesk 12.0 or 12.5) has entered extended support phase in June 2...

    $143 (Avg Bid)
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    8 bids
    Website fixes and creation 5 days left
    VERIFIED

    I recently noticed that there is malware on my website. I need this removed ASAP. Also the person chosen must have experience in building websites as I have 10 websites that need building. To show me that you have read and understood my requirements please start your response with the word “lekiok” thank you

    $106 (Avg Bid)
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    58 bids
    tcptunnel with vpn 5 days left
    VERIFIED

    i have openwrt os on router and voip device connected to router and linux pc connected to router now i want to access my all local device from server like local device [login to view URL] =voip device [login to view URL] = linux PC you need to use tcptunnel to open all ports and we use a VPN to connect local to server for access remote service if you work before easyvpn,easytun,tcptunnel then...

    $152 (Avg Bid)
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    10 bids

    I need Server expert now. Server support said me that i should install phpmyadmin. But i am not server expert and i have phpmyadmin installation document through FTP method. Only server configuration expert. Regards Qiang

    $24 (Avg Bid)
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    43 bids

    I would like to have a person who knows about DNS and Reverse DNS

    $52 (Avg Bid)
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    20 bids

    Need someone guru to create VPN pool, so please don't waste your and mine time. only contact if you know things Thanks

    $29 (Avg Bid)
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    13 bids

    Writing a CIS hardening script for RHEL7 / Windows R2 2012 Serverbased on the latest benchmark

    $318 (Avg Bid)
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    4 bids

    VPN Setup for my office 1. We will give user permission for a file and he can only work on that file, But he can execute the project to check the results 2. All edited versions of the code should be available 3. Designer & Developers should work at the same time. That means designer related & developer related tools need to be installed. 4. Monitor account activities like have clock in /...

    $158 (Avg Bid)
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    2 bids
    openstack expert for bug fix 4 days left
    VERIFIED

    i am trying to complete an openstack installation openstack version: 3.8.1, OCATA i have done everything as should and now since i have complete the openstack installation i am trying to create a new instance but i cannot. i want to create a new instance but in order to do that i have to create a network first and a subnet. when i try to create a network and subnet from horizon i get an error...

    $166 (Avg Bid)
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    2 bids

    Hello i have Masser - Server - Client i want create soft like Teamvewer Controls My client . we using Linux Openwrt the master will be Mac PC not windows so master will controle client is program using on mac OSX Server will be link between Client and master via API to get ID of client we going just use in our company not public so when our client access Internet we get that client on Master...

    $141 (Avg Bid)
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    4 bids
    Azure admin 4 days left

    Azure Admin with windows and unix hands-on.

    $466 (Avg Bid)
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    19 bids

    Work without boundaries Network Development and Maintenance

    $552 (Avg Bid)
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    2 bids

    We are looking to delete/sanitize hard drives on a full EMC VMAX array and looking for someone who is an expert in EMC hardware setup/topology. We will be using a host computer/server with FC/SAS ports to connect to the DAE expansion chassis so that they are detected by the host computer/server as JBOD so that we can wipe the drives. WE are looking for someone to be able to put together a roadmap ...

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    Need a acess file to put into sudoers.d (RHEL7.5) that allows the following ccontrol cache stop and start csession cache tar cp scp updatedb compress uncompress zip unzip gzip gunzip stop services start services mv – for only log files chmod chown mkdir rm – for only pid files mount nice crontab at

    $26 (Avg Bid)
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    15 bids
    IPTV setup 4 days left

    Ubuntu based IPTV setup and managing

    $488 (Avg Bid)
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    16 bids

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