System Administration is a skilled job that requires expertise and reliability. A System Administrator takes care of the operations, maintenance and enforcement of a computer/information systems network, server and applications for clients. Improving performance, security and stability of the system are integral parts of their job. They also have to handle software upgrades or the installation of new hardware, and will provide guidance, technical support, and training to users.
For most organizations, be it large companies or small businesses, System Administration is absolutely essential in keeping their day-to-day operations running smoothly. This is because they need someone with the technical expertise to manage, maintain and keep their computer networks functioning properly.
Here’s some projects that our expert System Administrator made real:
- Network setup
- Security configuration & monitoring
- Vulnerability & security audit
- Server installation & maintenance
- Troubleshooting & error rectification
- Software upgrade & installation
- Database backup & restoration
- Performance optimization
In today’s digitally driven world, it is no surprise why System Administrators are in such demand. They are a reliable resource for organizations who want professionals who can handle operations both smoothly and efficiently. Companies now have no choice but to set aside a budget for hiring System Administrators – even if it means going digital and finding one on Freelancer.com.
At Freelancer.com, we understand how important it is for you to have qualified professionals working on your projects. We also understand that you may not always have the capacity or budget to hire one full time – this is why you should consider looking intoFreelancer.com where you can find quality System Administrators with different levels of experience in your area at an affordable price. Whether its a short term or long term project, our System Administrators will be up for the task anytime!
Now that you know how important it is to have an expert System Administrator working on your business’s IT systems, we invite you to post your own project on Freelancer.com and hire an experienced professional today!De 163,483 opiniones, los clientes califican nuestro System Administrators 4.87 de un total de 5 estrellas.
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Necesito configurar un servidor carbonio + proxmox mail gateway. Actualmente ya tengo funcionando tanto el carbonio y el Proxmox mail Gateway pero tengo problemas en configurar el servidor saliente a traves del Proxmox mail gateway.
I am looking for a Zabbix expert who can assist me with converting a MIB file as XML To be imported to into zabbix Here are the details of the project: Tasks required: - Convert MIB file Qualifications: - No specific requirements or preferences for the Zabbix expert's qualifications If you have experience with Zabbix and MIB file conversions, please apply for this project.
Configure Apache server for proxy serving http and https content. The proxy server is running on the front end and the application server is on the back end. You must have an understanding of Apache server, config files. All work will be done via AnyDesk, NO SSH, no ChatG**. Current server is Apache web server.
I am looking for a freelancer who can help me install ERPNext on my Ubuntu 22.04 LTS virtual machine. Requirements: - Experience with ERPNext installation on Ubuntu - Knowledge of Ubuntu 22.04 LTS - Familiarity with virtual machine setup and configuration Specifics: - I would like the latest version of ERPNext to be installed - The installation will be on a virtual machine Please provide your relevant experience and expertise in your proposal. Thank you!
I am in need of a webmin expert who can assist me with configuring server settings. I prefer someone who has experience working with Ubuntu , AWS, cloudeflare operating systems. The project shouldn't be difficult for a webmin expert as the server was newly setup and was working just fine, however unable to use http and https. it seems port 80 and 443 are disabled even though i disabled the firewall. To be honest i don't have much experience with webmin that's why i need the help, configuring webmin, DNS records, mail server, cloud flare. the mail also was working fine but now sending from the client takes too much time and sometimes it just fail. Skills and Experience: - Strong knowledge of webmin and server configuration - Expertise in Linux operating systems - Ability to...
I am looking for a skilled freelancer to help me configure a Site-to-Site VPN from my Fortigate firewall to Azure. We currently have Site-to-Site setup over our primary internet link. We want to leverage our secondary internet link and have another Site-to-Site VPN setup over it. We would want to implement and use BGP to always prefer our primary link (in both directions), so that we do not have asynchronous routing. We do NOT want to leverage SD-WAN in this projectc. Requirements: - Expertise in configuring Site-to-Site VPNs using Fortigate firewalls - Familiarity with Azure networking and VPN configurations - Ability to troubleshoot and resolve any issues that may arise during the configuration process The project involves: - Configuring a secondary Site-to-Site VPN between my Forti...
I am looking for a freelancer who can help me resolve DNS issues related to my website. I recently moved my site over to Squarespace, but I want to use Web Server Hub for my emails. Currently, my domain is not properly connected to Web Server Hub. Skills and Experience: - Strong understanding of DNS configuration and troubleshooting - Experience working with Squarespace and Web Server Hub accounts - Ability to quickly resolve DNS issues and connect domain to Web Server Hub Deadline: This project needs to be resolved immediately.
I am in need of a freelancer who can install cPanel on my Linux server. Operating System: Linux Root Access: Yes cloud linux install Specific configurations or settings for the cPanel installation: Yes
I am looking for a freelancer who can assist me in setting up a VPN in my network switch with a public IP address. The project details are as follows: Network Switch: - The network switch I am using is Cisco. Public IP Address: - I already have a public IP address for the network switch. VPN Purpose: - The primary purpose of the VPN setup is for remote access. with 2 Scanario . 1) Cisco Switch which has Statistic Public Ip to assign a Remote Public Ip to another Cisco Switch 2) From the Same Cisco Switch we should be able to get other Laptops COnnected with out without Dynedns ( i have done this but needs improvement) Skills and Experience: - Experience in setting up VPNs in Cisco network switches. - Knowledge of configuring public IP addresses. - Understanding of remote access VP...
I am looking for a freelancer who can help me upload my telegram to a server in Europe, ensuring that it is always online. Operating System: Linux Server Location: Germany or the Netherlands Ideal Skills and Experience: - Proficiency in setting up and configuring servers on Linux operating system - Experience with uploading and maintaining applications on servers - Knowledge of networking and server security - Familiarity with telegram and its functionalities Please note that the server location is crucial for this project, and it must be in Germany or the Netherlands. The freelancer should have the ability to set up and configure the server, ensuring that the telegram application is always online and accessible.
Exp - 5 years Remote INR 1.5L/Month Contract Duration - 6+ Months No. of openings - 1 Work Time - SST (Singapore Standard Time) Overview As a Linux Infrastructure Engineer, you will be a key member of our technical team, responsible for designing, implementing, and maintaining our Linux-based infrastructure. You will play a critical role in deploying and managing cloud services, utilizing your expertise in AWS, Terraform, and Ansible to automate and streamline processes. Your strong scripting skills in Python, PHP, and Perl will be crucial in developing customized solutions to meet our specific needs. Job Description Responsibilities: Design, implement, and maintain Linux-based infrastructure on AWS. Utilize Terraform and Ansible to automate deployment and con...
I am looking for a Windows Administrator who can assist me on files and folder data sync between Primary Active Directory management and Secondary Active Directory controller on a one-time basis. Specific Tasks: 1) Only one task needs to be completed i.e. syncing the files and folders from the Active directory server to Secondary Active directory controller and work in failover. If primary AD server goes down then all the users should get their data folders access from the secondary ADC server. Timeline: - The tasks need to be completed within a week. Skills and Experience: - Strong knowledge of Windows administration - Experience with Active Directory management - Proficiency in server maintenance and troubleshooting - Familiarity with network security monitoring tools If you have ...
I am looking for an expert freelancer to assist me in setting up an Emby Server. Requirements: - The freelancer should have extensive experience in setting up Emby Servers. - No additional features or plugins need to be installed. - The freelancer should be an expert in this field.
I am looking for a professional who can help us with our server issue. We have encountered a malware problem and need to either clean it or reset the server to its factory settings. Server Type: - bluehost Backup: - Unfortunately, we do not have a backup of our server data. Cleaning or Factory Reset: - We do not have a preference for cleaning the malware or resetting the server. Either option is fine with us. Skills and Experience: - Strong knowledge and experience in malware removal and server management. - Familiarity with the specific server type mentioned by the client. - Ability to restore server settings to factory defaults if required. - Attention to detail and the ability to ensure data integrity during the process. Please provide us with your relevant experience and approach...
I am looking for an Ubuntu Wine expert who can help me troubleshoot a performance error I am experiencing with Wine on Ubuntu. I have some information about the error, but I do not have detailed error messages or codes. I can provide specific applications and games that are causing the performance error. Ideal skills and experience for this job include: - Expertise in Ubuntu 18.04 and Wine - Strong troubleshooting and debugging skills - Familiarity with specific applications and games that may be causing the performance error - Ability to analyze system performance and optimize Wine version and settings crashes program, (program has a watchdog, it restarts, but on one point it freezes the program, we use ubuntu specifically 18.04, we need that version, as its the most stable for...
I am looking for a skilled professional who can assist with resolving an issue with my vCenter server which has crashed. You need to be in Dallas, Tx area and available now! You will have to be onsite in Irving. Skills and Experience: - Strong knowledge and experience with VMware vCenter Server - Expertise in troubleshooting and resolving server crashes - Proficient in database management and recovery - Familiarity with backup systems and their maintenance - Ability to assess the current state of the backup system and make necessary updates - Experience with vCenter versions, particularly version 7.0 If you have the required skills and experience, please reach out to discuss further details and provide a quote for this project. Thank you.
I am looking for an experienced freelancer to help me set up Proxmox and transfer VMs, CTs, IPs, and backups from my old Proxmox server. Operating System: The old Proxmox server is running on Debian. Skills and Experience: - Proxmox virtualization expertise - Experience in transferring VMs and CTs - Knowledge of IP and backup transfer processes Number of VMs and CTs: There are more than 10 VMs and CTs that need to be transferred. Application Requirements: - Please include your relevant experience in working with Proxmox and transferring virtual machines and containers. - Past work examples or detailed project proposals are not necessary for this specific project.
Hi All, Please see the below details. a. We have a domain hosted with site ground. b. We have an email address with this domain in office365. c. Our website is hosted in cloudflare. Accidntially, we have deleted MX records and CNames. We made a further mistake that we removed the website from the cloudflare and out it back. Now the DNS are propagating. We need to fix the email issue now. Need somebody to log into my computer remotely and do this change when I am inspecting the process. Please let me know if you are interested. The project should be finished within next few hours.
Project Title: Troubleshooting and Debugging Assistance for AWS EC2 I am currently facing an issue with my AWS EC2 server, as it is not responding. I am looking for someone with expertise in troubleshooting and debugging to help me resolve this problem. Specific requirements for this project include: - Deep knowledge and experience in AWS EC2 - Strong troubleshooting and debugging skills - Familiarity with Linux operating system - Ability to identify and resolve server responsiveness issues If you have the necessary skills and experience in AWS EC2 troubleshooting and debugging, and are confident in your ability to resolve server responsiveness issues, I would be interested in hearing from you. Please provide examples of similar projects you have worked on, as well as any relevant cer...
I am looking for a freelancer who can help me install Windows Server 2019 on my Ubuntu Linux server without boot access. Here are the project requirements: Operating System: Ubuntu License: I have the necessary license for Windows Server 2019. Configuration: I only need the basic installation of Windows Server 2019, no specific configurations or applications are required. Ideal Skills and Experience: - Experience with Linux servers, specifically Ubuntu - Proficiency in installing Windows Server 2019 - Knowledge of iLO (Integrated Lights-Out) for remote server management If you have the expertise and can successfully install Windows Server 2019 on my Linux server using iLO without boot access, please bid on this project.
I am looking for a freelancer who is experienced in configuring port forwarding on a Fortinet FortiGate 60E firewall. Project Requirements: - Configure port forwarding on the FortiGate 60E firewall - The purpose of the port forwarding is to allow remote access to a specific server - Only TCP traffic should be allowed through the forwarded port Ideal Skills and Experience: - Strong knowledge and experience with Fortinet firewalls, specifically the FortiGate 60E model - Experience in configuring port forwarding and remote access on Fortinet firewalls - Understanding of TCP traffic and its configuration on firewalls Please note that the specific details of the port forwarding and server will be provided upon acceptance of the project.
I am looking for a freelancer who can help me set up a Linux mail relay server using Sendmail. Preferred Mail Server Software: Sendmail Domain Configuration: I need the mail server to be configured for relaying email from multiple domains. Security and Spam Filtering: I require advanced security features to be implemented on the server. Ideal Skills and Experience: - Strong knowledge and experience in setting up Linux mail relay servers - Proficiency in configuring Sendmail - Familiarity with managing multiple domains on a mail server - Expertise in implementing advanced security features and spam filtering on a mail server
Hi there! We are looking for a consultant who is an expert in Linux Servers. This person will need to guide my firm to find a Hosting provider and their respective solution that will best match our requirements post analyzing our existing server configurations. We will also need recommendations on new features that need to be part of the server configuration that we currently don't have and would make sense given the new technologies that are out there. We are looking for a fixed bid to get this process going.
I am looking for a network manager with experience in Asterisk PBX systems to help me set up and maintain my communication infrastructure. Specific features needed: - Call routing and forwarding to ensure efficient call management - Voicemail and greetings for professional and personalized customer interactions - Conference calling for team collaboration and remote meetings Integration with other communication tools: - Integration with other communication tools is required to streamline communication processes and ensure seamless connectivity. Ongoing maintenance and updates: - Assistance with regular maintenance and updates of the Asterisk PBX system is needed to ensure smooth and uninterrupted communication. Ideal skills and experience: - Strong knowledge and experience with Asteris...
Hi, I am running a Postfix server along with 2 DNS servers. I had to change the the IP address of mail server. After changing the IP I got DNS entry updated including SPF. Everything is working fine but when I send a mail to yahoo it's going to spam and it shows "dkim=unknown". So this need to be resolved.
I am looking for a Linux system administrator to provide general assistance with Linux administration for my Helios project. The ideal candidate should have experience with Linux administration and be familiar with the Helios distribution. Tasks and issues that may arise include: - GUI login window does not appear but I can see the background with the cursor moving. Also, I am able to login to the terminal with root access. The freelancer will only have access to the system for providing advice and guidance, and will not have full root access.
**Project Description: Web Hosting Support Freelancer** We are seeking a reliable freelancer to support our web hosting company as a support representative. The ideal candidate should be an experienced Linux system administrator with a solid understanding of Plesk and Cpanel. **Tasks:** - Handling approximately 40 support tickets per day, primarily in German. - Translating tickets into English for processing. - Crafting responses in German, which can be translated into high-quality German using DeepL or ChatGPT when necessary. **Requirements:** - Experience as a Linux system administrator. - Proficiency in Plesk and Cpanel. - Fluent in German, good English skills. - Ability to communicate technical information clearly and comprehensibly. **Tools:** - Utilization of DeepL or ChatGPT for...
I am seeking a freelancer who can help me with implementing Mikrotik Netflow for network monitoring. I have a small network size, consisting of 1-10 devices. As I am new to Mikrotik Netflow, I will need guidance on the setup process. Requirements: - Experience with Mikrotik Netflow implementation - Knowledge of network monitoring tools and techniques - Ability to provide guidance and suggestions for the setup process Ideal Skills and Experience: - Familiarity with Mikrotik routers and their configuration - Proficiency in network monitoring and analysis - Strong understanding of bandwidth management and security analysis If you have the necessary skills and experience, please reach out to discuss further details of the project.
I am looking for a freelancer who can troubleshoot the Unifi network connectivity issues I am experiencing on my home network. Skills and Experience: - Experience in troubleshooting network connectivity issues - Knowledge of networking protocols and troubleshooting tools - Familiarity with home networks and their configurations - Understanding of IoT devices and their connectivity requirements Specifically, the freelancer should be able to: - Identify and resolve any network connectivity issues affecting my home network - Ensure a stable and reliable internet connection - Troubleshoot any security vulnerabilities that may be present on the network - Provide recommendations for improving the network's performance and security The devices connected to my network include IoT devices ...
I need a server expert. I have 2 servers I need to set up. 1st. It would be a migration from one Cpanel to another Cpanel, but you have to review, optimize, and adjust and put security, etc., since right now I am having problems with hacks, attacks, etc., and I have bought a new server 2nd it would be a new server, but for docker, to host mobile applications, etc., and to be able to access through SSH to host apps, websites, backend, etc., we have to be able to create independent accounts for each project, and be able to point the domain and put wordreps type platforms too
I am looking for a freelancer to help me estimate the process of moving 5 Navision accounting books to the cloud. The current version of Navision accounting software being used is Navision 2018. The accounting books are currently stored on a local server. I am looking to migrate to Navision cloud for the cloud service provider. Skills and Experience: - Experience with Navision 2018 - Proficiency in cloud migration and Navision cloud - Knowledge of Microsoft Azure for the migration process - Strong understanding of accounting systems and data migration
Project Description: VPS Linux Proxy Operating System: Windows Primary Purpose: Anonymity Timeline: Within a month Skills and Experience Required: - Expertise in setting up and configuring VPS on Windows operating system - Strong knowledge of proxy servers and their functionalities - Experience in implementing and managing anonymous proxies - Familiarity with security protocols and techniques to ensure anonymity - Ability to bypass geo-restrictions and ensure seamless browsing experience - Proficiency in troubleshooting and resolving any issues related to proxy setup - Timely delivery of the project within the specified timeline
Install WireGuard on Linux server with root access Skills and Experience: - Experience with Linux server administration - Proficiency in using SSH for remote access and installation - Knowledge of WireGuard configuration and setup - Familiarity with networking and VPN protocols 1. i give you root access 2. You install wireguard and test 3. You give me config to test 4. Job done
I am looking for a freelancer who can help me with a VPS hosting error 500 that I am experiencing. Specific Error: Internal Server Error Operating System: Linux Actions Before Error: Updating the system Skills and Experience: - Strong knowledge and experience in VPS hosting - Proficiency in Linux operating system - Experience troubleshooting and resolving Internal Server Errors - Familiarity with system updates and their potential impact on server performance - Ability to identify and resolve issues related to system updates - Excellent problem-solving skills and attention to detail
OpenShift On-prem installation Infrastructure: On-premises OpenShift Version: OpenShift 4.x Hardware Requirements: Yes We are looking for a skilled expert to help us with the installation of OpenShift 4.x on our on-premises infrastructure. The ideal candidate should have experience in OpenShift installation and configuration in an on-premises environment. Key Requirements: - Strong knowledge and experience in OpenShift 4.x installation - Familiarity with on-premises infrastructure setup and configuration - Understanding of hardware requirements for OpenShift installation - Ability to troubleshoot and resolve any installation issues that may arise - looking for local deployment openshift If you have the necessary skills and experience, please submit your proposal wit...
I am looking for a freelancer who can help me set up a cron job on my Ubuntu cyberpanel to automatically renew my SSL certificate every 2.5 months. Ideal skills and experience for this job include: - Strong knowledge of Ubuntu and cyberpanel - Experience with setting up cron jobs for SSL certificate renewal - Familiarity with SSL certificate installation and renewal processes - Attention to detail and the ability to ensure that the cron job is properly configured and functioning correctly.
I am looking for a freelancer who can help me prepare for my Azure fundamental certifications, specifically AZ-900 and AZ-104. Skills and Experience: - Expert knowledge and experience in Microsoft Azure fundamentals and administration - Strong understanding of cloud computing concepts - Familiarity with Azure services and features - Proficiency in creating and managing virtual machines, storage accounts, and networks in Azure - Experience in implementing and managing Azure identities and security - Previous experience in preparing for and passing Azure certifications Requirements: - The freelancer should have extensive knowledge and experience in Azure fundamentals and administration, specifically AZ-900 and AZ-104 certifications. - They should be able to provide comprehensive lessons a...
Linux System Specialist Skills and experience required: - Strong knowledge and expertise in Linux system installation and configuration - Proficiency in scripting and automation - Familiarity with various Linux distributions, including Ubuntu and CentOS - Ability to troubleshoot and maintain Linux systems - MQTT / Dooker Project Overview: We are seeking a Linux System Specialist to assist with the installation and configuration of our Linux systems. The ideal candidate will have experience in scripting and automation, and be familiar with various Linux distributions, including Ubuntu and CentOS. Tasks include: - Installing and configuring Linux systems / Dooker mqtt - Troubleshooting and maintaining Linux systems - Assisting with scripting and automation tasks The level of urgency ...
I am looking for a freelancer who can help me install Keycloak and Jenkins in a Linux server with Plesk. Here are the project details: Linux Distribution: Ubuntu Configuration Requirements: No specific configurations needed, standard configuration is fine. Server Maintenance: Only one-time setup is needed now. This server is used for development purposes. Ongoing maintenance might be required after 6 months (when development will be completed). Documentation: I want you to make video of how you are doing the installation, Also create some how-to videos such as 1. If the service is not running. How should I check it & fix it? 2. Where can I find the logs? 3. Commonly known errors & fixes for the same. Skills and Experience: - Experience in installing and configuring Keyclo...
Project Description: VMware VCD Training on Cloud Services Skills and Experience Needed: - Intermediate expertise with VMware VCD - Strong understanding of Cloud Services in VMware VCD - Experience in self-paced training Project Details: We are seeking a VMware VCD expert with intermediate expertise to provide training on Cloud Services. The ideal candidate will have a strong understanding of VMware VCD and experience in self-paced training. The project will focus specifically on the following areas of VMware VCD: - Cloud Services The training can be self-paced, allowing the client to learn at their own speed and convenience. The candidate should be able to provide comprehensive training materials and resources for self-paced learning. The candidate should have excellen...
I am looking for a developer who can help me deploy my Strapi and React app on AWS. The app is a CRM and ticket system, and I need it to be able to handle medium scalability, with 100-1000 users. Skills and experience required: - Experience with deploying Strapi and React apps on AWS - Familiarity with setting up and configuring AWS services for hosting web applications - Knowledge of best practices for scalability and performance optimization - Ability to troubleshoot and resolve any issues that may arise during the deployment process.
I am looking for a freelancer who can help me install an SSL certificate on my Debian server over SSH for my website "*.". Web server software: Nginx, debian SSL certificate: I already have the certificate. Gogetssl. Same certificate was previously installed, just needs to be renewed Server access: I have root access to the server. Ideal skills and experience for this job include: - Experience with installing SSL certificates on Debian servers - Proficiency in working with Nginx - Strong knowledge of SSH and server administration - Attention to detail and ability to troubleshoot issues - Good communication skills to provide updates on the progress of the installation.
I am looking for a freelancer who can help with a small business server 2011 Exchange mail flow issue. The specific issue I am experiencing is with both sending and receiving emails. This issue occurs with all emails, not just certain ones. I have not made any recent changes to my server configuration or settings that could have caused this issue. Ideal Skills and Experience: - Experience troubleshooting mail flow issues in Small Business Server 2011 Exchange - Strong understanding of email protocols and server configurations - Ability to diagnose and resolve issues with both sending and receiving emails - Knowledge of Microsoft Exchange Server and how it integrates with Small Business Server 2011 - Familiarity with network and firewall configurations that could impact mail flow - Excel...
I am looking for a freelancer to set up a LAMP (Linux, Apache, MySQL, PHP) environment using Docker on Redhat. The project requires the following: Operating System: - Redhat LAMP Setup: - Standard setup is sufficient Docker Version: - Docker 19.x Ideal Skills and Experience: - Experience with Docker and containerization - Familiarity with LAMP stack components (Linux, Apache, MySQL, PHP) - Knowledge of Redhat operating system - Ability to configure and optimize the LAMP environment using Docker - Strong troubleshooting and problem-solving skills Create github account for us. Provide complete documentation of the procedure.
I am looking for a freelancer who can help me with setting up my home WiFi connection. Specific Issue: - existing Netgear X6 EX7700 Extender stopped working. Tried reset but can't get connected Requirements: - The freelancer should have experience in setting up WiFi extenders. - Ideally, the freelancer should have knowledge of integrating existing WiFi extenders or devices with the setup. - The client has a Netgear WiFi extender that needs to be integrated into the setup. Skills and Experience: - Experience in troubleshooting and resolving issues related to slow internet speed and intermittent connection. - Knowledge of different WiFi extenders and their setup processes. - Familiarity with Netgear WiFi extenders. If you have the necessary skills and experience, please submit you...
We need a consultant, WITH PROVEN EXPERIENCE, in integrations with Microsoft Wopi to assist the development team in building a Word document integration with Office Online. I need assistance in setting up the WOPI server. Skills and experience required for this project: - Strong knowledge of Microsoft Office applications and their integration with WOPI servers - Experience in setting up WOPI servers - Ability to work within tight deadlines - Excellent problem-solving and troubleshooting skills - Strong communication skills to effectively collaborate with our team.