Administración de sistemas 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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    116 trabajados encontrados, precios en USD

    Mantenimiento y nuevos proyectos

    $479 (Avg Bid)
    $479 Oferta Promedio
    2 ofertas

    i need Radius Authentication for ssh tunnel dropbear. I have ready Radius Server. I need Connect my ssh tunnel dropbear server. if you know this.... when complete your work, then give me configuration document.

    $5 - $15 / hr
    $5 - $15 / hr
    0 ofertas
    NginX caching issue. 6 días left
    VERIFICADO

    Searching a NginX expert who can resolve the caching issue. (Work should be done via Teamviewer)

    $36 (Avg Bid)
    $36 Oferta Promedio
    3 ofertas
    Vpn admin panel 6 días left
    VERIFICADO

    I want to build a vpn vpn admin For setup openconnect/anyconncect vpn

    $102 (Avg Bid)
    $102 Oferta Promedio
    2 ofertas

    A server rebooted, and one lv is mising System is CentOS 6.4 Prior, had 4 LVM's Now get 3, /var is missing Get error Found duplicate PV. Need expert to assist in recovery of missing LV

    $22 / hr (Avg Bid)
    $22 / hr Oferta Promedio
    1 ofertas

    Need addition 15- 18 of domain and subdomain either in domain host or webhosting control panel. They must be open with www. means open with [iniciar sesión para ver URL] . Also need addition of free SSL to all domain and subdomain.

    $17 (Avg Bid)
    $17 Oferta Promedio
    4 ofertas

    I need my wordpress website hosted on dedicated server needs to be optimized. 1. Performance optimization - google insights ranking, pagespeed score, yslow scores. 2. Fix down time issues. 3. Fix posts not appearing immediately after posting (mostly due to caching issue) You will be given admin access to wordpress and full server access if required in case you want to optimize server settings.

    $107 (Avg Bid)
    $107 Oferta Promedio
    22 ofertas

    Hello, I need Optimized [iniciar sesión para ver URL] can withstand more than 500 online users at the same time configure my vps Ram 8gb , SSD 80 gb Nginx + php-fpm + MariaDB My current configuration file My configuration file currently only supports up to 200 online users at the same time. When greater than 200 visits there is MYSQL CPU phenomenon loading 180% and toal load average>...

    $31 (Avg Bid)
    $31 Oferta Promedio
    6 ofertas

    Searching for an Expert who can help me configure Percona MySQL cluster in CentOS. (Everything has to be done using anydesk or Teamviewer). Interested please apply. Thank you.

    $35 (Avg Bid)
    $35 Oferta Promedio
    3 ofertas

    Hello Looking for ubuntu expert able to fix and configure email in my server (including domain issue if some one). Right now is installed postfix, dovecot and rainloop, the problems are: 1. I can sent mails but it does not receive 2. Email sent are reaching without encryption and goes directly to spam folder (maybe some issue with domain )

    $10 / hr (Avg Bid)
    $10 / hr Oferta Promedio
    11 ofertas

    Hello, Currently my company sells solutions for SME. I want to set up a website for the resale of all my solutions. I want to set up a reseller portal. The solutions : - CRM / Quotation / Billing / POS: Dolibarr and Odoo - Drive: Nextcloud - Configurable appliances according to criteria: o FireWall o IPBX o Backup o File Server o Laptop + PackOffice + Antivirus + Anti-Spam - Domain names - Webs...

    $323 (Avg Bid)
    $323 Oferta Promedio
    3 ofertas

    My hetzner dedi server crashed and will no longer boot. i have tried grub repair but this didnt work. I really need this up and running again. It has 1xSSD drive for os and my data is stored on 3x1TB drives.

    $232 (Avg Bid)
    $232 Oferta Promedio
    13 ofertas
    Need some help with ansible script 6 días left
    VERIFICADO

    I have some ansible scripts that where working few months ago now I guess after some updates they arent working now so need some remote help. Mostly the problem I am having is with the getting sudo before doing updates and install. Project is for 1hr remote help.

    $26 (Avg Bid)
    $26 Oferta Promedio
    3 ofertas

    Malware attacked our servers and decrypted our entire [iniciar sesión para ver URL] to restore oyr data.

    $519 (Avg Bid)
    $519 Oferta Promedio
    1 ofertas
    Esperto VMWare 6 días left

    Cerco esperto Vmware per gestione ed assistenza infrastrutture in Italia Gestione solo da remoto Pagamento a tariffa oraria da definire

    $558 (Avg Bid)
    $558 Oferta Promedio
    5 ofertas
    Mikrotik Configuration 5 días left
    VERIFICADO

    I need a Network administrator to monitor and edit my current configurations and see if I have vulnerability and stop any attack from happening. and manage my current bandwidth and share it with users.

    $213 (Avg Bid)
    $213 Oferta Promedio
    16 ofertas

    I have a server which hosts a website [iniciar sesión para ver URL] which needs to route emails to an external service. I can't do it although everything looks right. It will be a small job for someone that knows what they are doing....

    $26 (Avg Bid)
    $26 Oferta Promedio
    18 ofertas
    Web Developers 5 días left

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

    $26 / hr (Avg Bid)
    $26 / hr Oferta Promedio
    68 ofertas

    Searching for an Expert who can help me configure Percona MySQL cluster in CentOS

    $31 (Avg Bid)
    $31 Oferta Promedio
    5 ofertas

    I need assistance in routing network traffic over different network connections with in NAS.

    $200 (Avg Bid)
    $200 Oferta Promedio
    21 ofertas

    i have 50GB of data that need to be transferred during the next 6h between 2 dedicated servers! Height internet speed is required

    $105 (Avg Bid)
    $105 Oferta Promedio
    29 ofertas
    Computer Networks 5 días left
    VERIFICADO

    I want someone is an expert in Computer Networking.

    $112 (Avg Bid)
    $112 Oferta Promedio
    28 ofertas

    This week I have a problem with non-delivery of email to some google servers. example: The mail system <katherine@[iniciar sesión para ver URL]>: host [iniciar sesión para ver URL][[iniciar sesión para ver URL]] said: 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...

    $23 (Avg Bid)
    $23 Oferta Promedio
    7 ofertas
    Magento 2 time/date fix 5 días left
    VERIFICADO

    Need fix on date/time on magento 2 site ....

    $12 / hr (Avg Bid)
    $12 / hr Oferta Promedio
    28 ofertas
    System Administrator - AWS 5 días left
    VERIFICADO

    We are currently hosted in AWS (Mumbai) and we use containerized solution. - Cost analysis for effective resource/server utilization - Implement monitoring tools for MongoDB, Nginx etc - Implement auto-scaling, preferably using Kubernetes (EKS) - MongoDB clustering - MongoDB Query Optimization - Prepare and assist load /security testing of the application

    $7 / hr (Avg Bid)
    $7 / hr Oferta Promedio
    11 ofertas

    I have a centos 7 server with cpanel, and litespeed web server. Litespeed relies on underlying apache2 configurations. I need to setup a reverse proxy in cpanel for [iniciar sesión para ver URL] to forward to http://myipaddress:80/api/ the result output if the reverse proxy setup is correct should be {"code":0,"message":"Transport unknown"} If you are selected ...

    $32 (Avg Bid)
    $32 Oferta Promedio
    9 ofertas

    We are looking for an IT Specialist with proven knowledge of computer networks and systems (Windows server and desktop OS) including Virtualization, who can write tech documents and produce video-tutorials in English, based on Chinese tech documents and by trying out the software features. Since our product is developed in Taiwan it is a mandatory requirement to be truly fluent in the Mandarin la...

    $14 / hr (Avg Bid)
    $14 / hr Oferta Promedio
    4 ofertas

    ADMINISTRACIÓN sistemas experto, Habla nativo Español. Imprescindible. Disponibilidad 24h sólo para incidencias criticas: t*Removed by Admin* avisos Alta en el Servicio Con Panel de Control Soportado Sin Panel de Control configuración emails Tickets de soporte ilimitados Monitoreo 24/7 - Cada 5 min Seguridad Inicial Básica Software de terceros Estándar Ge...

    $32 (Avg Bid)
    $32 Oferta Promedio
    7 ofertas
    HA proxy configuration CentOS 5 días left
    VERIFICADO

    Searching for an Expert who can help me configure HA proxy in CentOS for MySQL

    $25 (Avg Bid)
    $25 Oferta Promedio
    8 ofertas

    Hi, I need someone good with the skills mentioned above to do a job.

    $154 (Avg Bid)
    $154 Oferta Promedio
    5 ofertas
    Setup Debian and setup proxy pool 5 días left
    VERIFICADO

    Setup Debian and setup proxy pool, ip:port:id:password. with panel to manage and website to sell product of proxy. if you need another server for website i will provide. Type xyz. So i can understand you and not copy paste and spam. Thanks

    $156 (Avg Bid)
    $156 Oferta Promedio
    6 ofertas

    About monqi: We, at monqi, have a clear mission: "Starting children the right way with technology". We provide a complete experience for kids, parents and caretakers in a safe & trusted environment. As part of our offering we promote SAFE INTERNET, this is our safe browsing with blocked site notifications that allows children to enjoy all the benefits of the internet without any of ...

    $280 (Avg Bid)
    $280 Oferta Promedio
    15 ofertas

    Need LAMP installed on my server, plus adding ssl to a new domain on the server.

    $27 (Avg Bid)
    $27 Oferta Promedio
    27 ofertas
    looking for a linux Engineer 5 días left
    VERIFICADO

    Hello, I have a job which will take about 1 hour, I'm looking for a linux expert who will help get this job completed. skills: AWS Ansible Puppet Python Shell scripting Redhat VMWare

    $22 / hr (Avg Bid)
    $22 / hr Oferta Promedio
    19 ofertas

    i have some task in aws auto scaling, S3 , Network ACLs need work remotely

    $11 / hr (Avg Bid)
    $11 / hr Oferta Promedio
    16 ofertas

    Hi, i need server expert to create a Mtproto Proxy Server for Telegram on my Dedicated Server create a configuration for making Mtproto Proxy to use for telegram. Thanks

    $75 (Avg Bid)
    $75 Oferta Promedio
    3 ofertas
    Galera Cluster with HAproxy 5 días left
    VERIFICADO

    Searching for an Expert who can deploy Galera Cluster with HAproxy is a low budget. Thank you.

    $30 (Avg Bid)
    $30 Oferta Promedio
    1 ofertas

    This is a 1 to 3 hour job for someone with experience Requirements 1. I need this done today, right now or start in 1 to 3 hours from now 2. I am USA time zone. I need someone ready to start working in 1 to 3 hours and work until it is done. 3. you need to be able to talk on Skype audio or phone We need someone with good experience in configuring and setting up an internet gateway pc, so that vi...

    $174 (Avg Bid)
    $174 Oferta Promedio
    5 ofertas
    Remove IP from GMAIL Spam 5 días left
    VERIFICADO

    Hello . Our main problem is that all emails from our server goes to Gmail spam folder. We need them to go to Inbox. Please let us know if you can do the work

    $31 (Avg Bid)
    $31 Oferta Promedio
    8 ofertas

    Dear Freelancer, We require you to Install the SSL certificate for LINUX email server. All the required access and the necessary certificate will be provided.

    $30 (Avg Bid)
    $30 Oferta Promedio
    38 ofertas

    I need to restore the site host ، We lost username and password

    $1083 (Avg Bid)
    $1083 Oferta Promedio
    53 ofertas
    recover host 4 días left

    I need my website re-configured.I already have a design, I just need you to build a website for my small business.

    $1174 (Avg Bid)
    $1174 Oferta Promedio
    34 ofertas

    We have 3 web linux servers and we need kind of tool from which we can get the Audit Logs, Security Logs and Apache logs on x time of Interval

    $385 (Avg Bid)
    $385 Oferta Promedio
    8 ofertas

    Need to Develop Internet Bandwidth Software. Open sources are not encouraged. Need to write Network Access Server (Nas Software) Need to Develop Radius (AAA) and Billing Software Need to develop Good Looking and smart UI Based on the requirement (Removed by Freelancer.com Admin) For Further Details Message Me Many Thanks Abdul Riyaz

    $558 (Avg Bid)
    $558 Oferta Promedio
    3 ofertas

    ATTENTION: * Do not use template proposals, they will not be read * Include not only your portfolio, but also highlight examples that you consider to be close to the result you promise you will provide us for the price of your bid * Make sure your proposal presents the final price for the COMPLETE job * We will not accept to negotiate a higher price than what was proposed in the bid offer * Prof...

    $544 (Avg Bid)
    $544 Oferta Promedio
    27 ofertas
    Trophy icon SMTP issue 20 horas left

    I have Roundcube webmail on a server. I can send emails but cannot receive emails. Maybe DNS records could affect the mail functions.

    $10 (Avg Bid)
    Garantizado
    $10
    4 participaciones
    POS system on Android 4 días left
    VERIFICADO

    I own a restaurant and wants to make a POS system for our restaurant, we want the POS sytem to be at least have these following things, other than basic POS system: 1. inventory/ingredient tracking. For example, to make a portion of fried chicken needs 100gr of chicken, salt, pepper, etc. then if somebody order it, the POS system could reduce the inventory accordingly to it. 2. Attendance for staf...

    $880 (Avg Bid)
    $880 Oferta Promedio
    75 ofertas

    mujhe nginx mein rtmp live streaming server tyar karwana hai, jismein user interface bhi hona chahiye. [Removed for encouraging offsite communication which is against our Terms and Conditions -Section 13:Communication With Other Users]

    $189 (Avg Bid)
    $189 Oferta Promedio
    7 ofertas
    Configure GUI for CentOS 7 4 días left
    VERIFICADO

    I have a server with CentOS Linux 7 (Core) I need GUI installed so I can login to it remotely with Firefox, Office tools. Need someone who can help me configure.

    $25 (Avg Bid)
    $25 Oferta Promedio
    26 ofertas

    I would require the freelancer to suggest the right hardware needed to setup server(s) for the following use: 1) Granular control of employees activity, internet access rules. 2) Firewall / Proxy to restrict access to websites 3) Mail Server setup 4) Windows Domain Server (Active Directory) for employee login with group policy 5) Secured File Storage NAS 6) VPN Server

    $111 (Avg Bid)
    $111 Oferta Promedio
    13 ofertas