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!Από 165,170 αξιολογήσεις, οι πελάτες αξιολογούν τους System Administrators με 4.87 από 5 αστέρια
Πρόσλαβε System Administrators
I am looking for a freelancer who can help me with my nginx proxy project. The purpose of using nginx proxy is to serve as a web server and reverse proxy. Requirements: - I have specific requirements for the nginx configuration that need to be met. - The expected traffic load on my server is low, with up to 1000 visitors a day. Ideal Skills and Experience: - Experience in configuring nginx as a web server and reverse proxy. - Knowledge of load balancing and high availability, as well as caching and performance optimization. - Understanding of server traffic management and scalability. If you have the expertise and skills required for this project, please reach out to discuss further details.
I am looking for a freelancer who can help me with reinstalling and reconfiguring the Linux (Cent OS or Debian) and also WHM/Cpanel on two servers for my existing business. Requirements: - Experience in installation, configuration and optimization of Linux for speed optimization. - Experience with WHM/Cpanel installation and configuration - Knowledge of server management and troubleshooting - Ability to work independently and efficiently If you have the necessary skills and experience, and are available to work on weekends, please submit your proposal. Thank you.
I want expert here , my kamailio in 60 sec sending ack for supplier if no reply within 60 seconds kamailio or freeswitch is hang up calls , I don't want my kamalio to hangup any call unless customer did hangup or supplier
Title: Computer Troubleshooting - Slow Performance Overview: We are currently seeking assistance with troubleshooting our computer to resolve slow performance issues. Project Requirements: The ideal candidate should have the following skills and experience: - Excellent knowledge and experience in computer troubleshooting - Proficient in diagnosing and resolving slow performance issues - Strong understanding of computer hardware and software - Ability to identify and fix software errors - Familiarity with hardware malfunctions and their solutions Method of Communication: The preferred method of communication for troubleshooting this issue is via email. Please note that further project details and specific troubleshooting steps will be provided upon selection of the freelancer.
I am looking for a developer to create a HyperV module for WHMCS with specific functionality for VM creation and management. The module should have basic functionality for the user interface, and it only needs to be compatible with WHMCS. Ideal skills and experience for this project include: - Strong knowledge of HyperV and WHMCS - Experience in creating modules for WHMCS - Familiarity with VM creation and management - Ability to work independently and deliver high-quality code
I am looking for a freelancer who can help me with an issue regarding the local printer not redirecting on my Windows operating system using RDP 10.0 or newer. Specifically, I am trying to connect my VPS Servers to a printer. Like terminal works, ANY Fixed Cost software under reasonable price Skills and experience needed: - Strong knowledge and experience with Windows operating system - Proficiency in Remote Desktop Protocol (RDP) 10.0 or newer - Familiarity with VPS Servers and printer connectivity issues - Troubleshooting skills to identify and resolve local printer redirection problems
I am looking for a freelancer who can help me with my project to implement the separation of public and private DNS in my small network of 1-50 devices. Currently, I have 2 DNS zones. Furthermore, add the VMs to active directory, and deploy anti virus on the VMs. Also have Knowledge of Suricata and Mod security custom rules. Time wasters stay away please. Skills and Experience: - Strong knowledge of Active Directory and DNS - Experience with network security and administration - Familiarity with DNS zone configuration - Ability to work with small-scale networks - Know how to write suricata and mod security rules - Attention to detail and ability to follow instructions
Proxmox to New Server, setup proxmox and setup Cpanel and move all data quickly between 2 nvme disk servers proxmox to proxmox and configured
Project Title: Install Sakai server on Ubuntu Linux Project Description: - I am looking for a freelancer who can install Sakai server on my Ubuntu Linux distribution. - I have root access to the server, which will ensure a smooth installation process. - The purpose of this installation is for educational purposes. - The ideal candidate should have experience with Sakai server installation on Linux. - Knowledge of Ubuntu Linux distribution is essential. - Familiarity with server administration and troubleshooting is required. - Strong communication skills are necessary to ensure a smooth collaboration throughout the project.
Project Description: I am looking for a freelancer who can help me change the domain name of my website without affecting its content. Desired Timeframe: - The domain name change should be completed within a week. Access to DNS Settings: - I currently have access to my domain's DNS settings. Website Activity: - My website is currently active and receiving traffic. Ideal Skills and Experience: - Experience in domain name management and DNS settings configuration. - Knowledge of website migration and ensuring content remains intact. - Familiarity with web development and hosting platforms. - Strong attention to detail to ensure a smooth transition without any disruptions. - Effective communication skills to coordinate with domain registrars and hosting providers.
Hi there, I am in the process of building my first DIY home nas/server. I don't have experience building PCs or configuring NAS software, but have spent a lot of time learning about it all over the past few months. I have begun purchasing the parts for my build. You can see my parts list here: The list shows which parts I have already purchased. In short, I want to create a NAS in a RAIDZ1 config, with 8TB usable space (excluding boot + cache drives). I think the way to go is TrueNAS Scale, but I have also been recommended unRAID. I don't have any experience with this. My use-case is media storage and music streaming, probably using Plex, Jellyfin, Enby or Roon. I may also want to dabble with VMs as I get more advanced. Do you think you could help? The ideal candidate s...
I have HP switches model HP 1920 JG927A and HP 1910 JE006 I want to learn configuring them. I tried to learn through Youtube and web articles but problem with this approach is that we could not learn a complete solution and I can't ask question to understand further. So here you have opportunity. What I expect: You will come online and in a voice call you will guide me all options available to configure. You will advise me to make things available to setup our test environment before starting practical learning. Here are menu options that I can see in HP and we will be exploring: - Device ○ Port Management ○ Port Mirroring ○ RMON ○ SNMP - Network ○ VLAN ○ VLAN Interface ○ MSTP ○ Link Aggregation ○ LACP ○ LLDP ○ ARP Management ○ ARP Anti Attack ○ IGMP Snooping ○ MLD Snooping ○ IPv4...
I am looking for someone to help me transfer my family e-mail domain / exchange server from my current hosting provider to a new one. I have had my exchange accounts hosted by ReadyHosting for several years and they are terminating support of Exchange. I have two exchange e-mail accounts and a dozen or so IMAP e-mails. I need to choose a new host and decide whether to continue Exchange accounts or transition to Google, or IMAP. I've got about 11gb of e-mail history to migrate. Skills and Experience: - Experience with exchange server migration - Knowledge of different hosting providers and their requirements - Ability to troubleshoot any issues that may arise during the transfer - Familiarity with data migration processes to ensure a smooth and successful transition
Secure client facing AWS environment I am looking for a skilled AWS developer to design and build a secure client facing environment template which must accept and manage business confidential information to support a SaaS analytics tool. We anticipate using the following AWS services: - EC2 - S3 - RDS The project requires advanced security measures to ensure the highest level of security compliance. The project needs to be completed within 2 months.
I am looking for someone to help me in configuring an Exim4 mail server on my CentOS Linux operating system with IP Rotation. Also, I would like detailed explanations on the functioning of email sending in the Exim4 MTA on, the processing of logs, and how we can manage retry timing and sending speed on call and step-wise documentation of the setup process.
Project Description: Install / Configure CrushFTP Operating System: Linux I am looking for a freelancer who can install and configure CrushFTP on a Linux operating system. You MUST have previous experience with CrushFTP as I require a shared user database setup and account limitations setup specific to CrushFTP User Accounts and Permissions: - I need assistance in setting up user accounts and permissions for CrushFTP. Specific Configuration Settings: - I have specific requirements for the configuration settings of CrushFTP. Skills and Experience: - Experience in installing and configuring CrushFTP on Linux OS. - Knowledge of setting up user accounts and permissions in CrushFTP. - Familiarity with configuring specific requirements for CrushFTP. If you have the necessary skills and e...
Cyber Security Expert Needed Immediately - Specific aspect of cyber security: Network Security - Current level of organization's cyber security measures: Highly Secure - Assistance needed: Immediately - Ideal skills and experience: - Strong knowledge and experience in network security protocols and technologies - Proficient in identifying and mitigating potential network vulnerabilities - Familiarity with industry best practices and compliance standards - Ability to conduct thorough network security assessments and audits - Experience in developing and implementing robust network security strategies and policies - Proven track record in handling network security incidents and responding to cyber threats promptly - Excellent communication and problem-solving skill...
I need a freelancer to help me with creating a Bash script as I am encountering execution errors with my current script. The purpose of the script is to automate tasks. I have a specific deadline for the completion of this project, which is within 24 hours. Ideal skills and experience for this job include: - Strong knowledge of Bash scripting - Experience in troubleshooting and fixing execution errors - Understanding of task automation techniques - Ability to work under tight deadlines and deliver high-quality results quickly
ya tengo instalado kalix linux es mi empresa nesesito monitorear mi propios equipos , nesesito todas las funcionalidaddes en red local y que me enseñen a operarlo y me lo dejen operativo con mis propias pc recibo propuestas en inbox
I am looking for a freelancer who can analyze and filter TS streams on the Linux platform. The ideal candidate should have experience in the following: - Advanced filtering options for TS stream analysis: - i want analzye TS live streams from DVBS2 then fillter ECM income from broadcast and include more services then allow only clear ECM and remove any extra services attached with it, after that get clear video and audio - live stream will be UDP or TCP both option possible i can delivery The project requires the following features: - need to be on linux ubuntu18 note/ important is analyze ECM and remove all extra services then allow only ECM which responsible for decrypt stream If you have the necessary skills and experience, please submit your proposal. Thank you.
Project Description: I am looking for someone to help me in configuring an Exim4 mail server on my CentOS Linux operating system. Also, I would like detailed explanations on the functioning of email sending in the Exim4 MTA, the processing of logs, and how we can manage retry timing and sending speed and step-wise documentation of the setup process.
I am trying to run a container under Docker on Ubuntu. I am getting the following errors: Main Warn could not connect to display Aborted Main Info Could not load the Qt platform plugin "xcb" in "" even though it was found. I have tried a few things that I found on Stack Overflow, etc. Nothing has worked so far. I will pay up to $20 for help.
If you have real expertise in Linux, Nginx, Proxmox, Nagios, please send us your references. We're looking for someone to coach us in managing our servers. If you can't prove that you've mastered these classic server management tools on a day-to-day basis, please don't apply.
reconfigure the existing firewalls - renew all certs (opnsense, email, connect) - proxmox4 cant connect to the update server, should work - opnsense4 cant reach update server - 102 is the ap and file network, 103 for - make sure new domain email connect to the email server optional: is possible to get a complete list of all Rules ?
Seeking to hire travel nurses, licensed practice nurses, and Nurse assistants for a healthcare project. Skills and Experience: - Must be a registered nurse in the US, licensed practice nurse, or Nurse assistant specialties include ICU, Stepdown Cath lab, labor and delivery, medical surgical, long-term care, nursing homes, assisted living. - Experience in healthcare settings required - Strong communication and interpersonal skills - Ability to work well in a team - Organizational skills and attention to detail - Ability to handle high-stress situations Project Details: - Immediate need for healthcare professionals - Project duration is more than 3 months - Flexible work schedule - Competitive compensation Responsibilities: - Provide high-quality patient care - Collaborate with healthcare...
Need devops for onetime setup for aws to deploy springboot project AWS Elastic bean stalk EC2 S3
I am looking for a freelancer who can help me reconfigure my VPS Ubuntu 20.04 that already has WHM installed. The specific configurations I need for my VPS include: - Firewall settings - Network settings - Server optimization I have root access to the VPS, so the freelancer will be able to perform the necessary tasks. The purpose of the PHP scripts that I need running on the VPS is for an other application. Ideal skills and experience for this job include: - Strong knowledge of VPS configuration and administration - Proficiency in Ubuntu 20.04 and WHM - Experience with firewall settings, network settings, and server optimization - Expertise in PHP scripting and running applications If you possess these skills and are confident in completing this project, please submit your proposal.
I am looking for a freelancer who can provide assistance with AWS and cloud computing. Requirements and Goals: - I am open to suggestions and do not have any specific requirements or goals for my AWS project. - I just need general assistance in setting up and managing my AWS services. Timeline: - I have a tight deadline for this project and require it to be completed within 4 days. Ideal Skills and Experience: - Strong understanding and experience with AWS and cloud computing - Proficiency in cloud computing and the ability to set up and manage AWS services efficiently. - Excellent problem-solving skills and the ability to troubleshoot any issues that may arise during the project. If you have the necessary skills and can meet the tight deadline, I would love to hear from you. Please p...
Very urgent - My Contabo server is down? even I am not able to login my plesk. If you have experience then fix now.
I am looking for a skilled and experienced Server Admin who is very familiar with Linux, Nginx, PHP-FPM, CPU, and MEMORY. Tasks: - Troubleshooting and debugging server issues - Optimizing server performance Requirements: - Strong knowledge and experience in Linux, Nginx, PHP-FPM, CPU, and MEMORY - Ability to troubleshoot and debug server issues efficiently - Experience in optimizing server performance Maintenance: - Regular server maintenance is required Communication: - Preferred method of communication for discussing server-related issues is chat messaging.
I am looking for an expert who can help me with the configuration of my VOS3000 Softswitch. The specific changes I need include adding new routes, changing existing routes, and configuring billing settings. Skills and experience required: - Proficiency in VOS3000 Softswitch configuration - Strong troubleshooting skills - Knowledge of customer account settings I have the login credentials for the VOS3000 Softswitch, so you will have access to the necessary resources. This project is urgent and needs to be completed within 20 minutes. Budget for this is $10 so no need to quote if you want a payment above $10
Need a daily cron job configured where it will copy account A to account B daily on the same server, updating the mysql db and files with any updates or changes. Mainly it is the mysql that needs to be updated daily so the users and customer info stays current
I need an IT / Tech experienced marketing engineer to design a datasheet of a cloud dns firewall product. Note all data and references are available. This just a documentation and designing project
I am looking for a freelancer who can help me with installing VestaCP on my newly installed Ubuntu 23.04 VPS. Here are the project details: - I already have a VPS set up. - The primary purpose of installing VestaCP is for website hosting. - No additional software or modules are required to be installed with VestaCP. Skills and experience required: - Strong knowledge of Ubuntu and VPS management. - Experience in installing and configuring VestaCP for website hosting. - Familiarity with server management and security practices. If you have the necessary skills and experience, please bid on this project. Thank you!
I am looking for a skilled System Administrator/ Website Infrastructure Administrator who has experience with Windows operating system. Tasks to be performed on the system include: - Optimization and Performance Improvement to enhance the website's speed and efficiency. - Troubleshooting and Issue Resolution to identify and resolve any technical issues that may arise. - General Maintenance and Updates to ensure the system is up-to-date and functioning properly. ### **Job Title: Systems Administrator / Web Infrastructure Administrator** **Responsibilities:** 1. **Web Server Management:** - Configure, deploy, and maintain web servers (e.g., Apache, Nginx, Microsoft IIS). - Ensure the availability, performance, and security of web server environments. 2. **Infrastructure Conf...
I am looking for a freelancer who can help me with port forwarding on my Genexis GPON Earth - 4222 router. Skills and Experience: - Experience with configuring port forwarding on Genexis GPON Earth - 4222 routers - Strong knowledge of router settings and access - Familiarity with port forwarding for computers - Proficiency in configuring standard ports such as 80 and 443 Project Scope: - The freelancer will assist me in accessing the router settings for port forwarding. - The goal is to configure port forwarding specifically for computers. - The required ports for forwarding are standard ports such as 80 and 443. If you have the necessary skills and experience, please reach out to discuss further details of the project.
We are seeking a highly skilled and experienced Full Stack Developer to join our dynamic team. The ideal candidate will have a strong background in developing web applications using Laravel and PHP, and a proven track record of integrating Twilio and Stripe APIs. Key Responsibilities: Develop and maintain web applications using Laravel and PHP. Implement and manage Twilio services for communication features. Integrate Stripe API for payment processing capabilities. Collaborate with cross-functional teams to define, design, and ship new features. Ensure the performance, quality, and responsiveness of applications. Identify and correct bottlenecks and fix bugs. Help maintain code quality, organization, and automatization. Required Skills and Qualifications: Bachelor’s degree in Comp...
I am looking for a freelancer who can assist me in setting up a POLY studio x50 trio c60 video conferencing system with expansion connectivity. The purpose of this setup is for video conferencing. I will need assistance with both hardware installation and software configuration. However, I do not require ongoing technical support post setup. Ideal skills and experience for this job include: - Proficiency in setting up and configuring video conferencing hardware and software - Knowledge of the POLY studio x50 trio c60 system and its expansion connectivity features - Ability to troubleshoot and resolve any issues that may arise during the setup process.
I am looking for a freelancer who can help me with OOKLA server hosting for a speedtest server in Ubuntu. Server Hosting Requirements: - I need dedicated hosting for the OOKLA server. - I have a specific location in mind for the server hosting. - I require full technical support for the server hosting. Ideal Skills and Experience: - Experience with OOKLA server hosting and setting up speedtest servers in Ubuntu. - Knowledge of dedicated hosting and server management. - Ability to provide full technical support for the server hosting. If you have the necessary skills and experience in OOKLA server hosting and can provide full technical support, please submit your proposal.
I am looking for a freelancer who can install MailWizz and PowerMTA on my CentOS Linux VPS. This will be a recurring job, to be done daily. Preferred Operating System: CentOS Versions: No specific versions requested, I trust your expertise Configurations: No specific configurations requested, I trust your expertise Ideal Skills and Experience: - Expertise in installing MailWizz and PowerMTA on CentOS Linux VPS - Familiarity with managing recurring jobs - Strong understanding of email marketing and delivery Please provide your expertise and experience in this area when submitting your proposal.
System Admin - Linux - Server Maintenance We are looking for a skilled system administrator with experience in Linux operating system to assist us with server maintenance tasks. Specifically, we need assistance with: - Regular server updates and patches - Performance monitoring and optimization - Troubleshooting and resolving server issues - Managing server backups and data restoration Ideally, the candidate should have: - Strong knowledge and experience in Linux administration - Proficiency in server security measures and best practices - Familiarity with data management tools and techniques Please note that there are specific software or applications that need to be maintained, and we will provide the necessary details to the chosen candidate. If you are experienced in Linux system...
Somos a Eficaz Soluções Administrativas e buscamos aprimorar nossas operações por meio da implementação de Procedimentos Operacionais Padrão (POPs). Após conhecermos seus serviços, estamos interessados em obter um orçamento personalizado para desenvolver POPs em áreas-chave, como atendimento ao cliente, processamento de documentos, gestão de projetos, compras e suprimentos, além de treinamento de novos funcionários. Valorizamos a qualidade e eficiência e acreditamos que sua expertise será crucial.
Project Title: Moodle Error Description: I am experiencing a specific error with Moodle and I need help in resolving it. Specific Error: Login Issues Error Messages/Code: Yes, I have error messages and/or error codes related to the issue that I can provide now. Skills and Experience: - Experience with Moodle and its login system - Knowledge of troubleshooting and resolving login issues in Moodle - Familiarity with interpreting error messages and error codes - Ability to analyze stack trace and identify the root cause of the error - Strong problem-solving skills and attention to detail If you have the necessary skills and experience, please bid on this project and provide a timeline for resolving the Moodle login error. Stack trace: line 1119 of /lib/filestorage/: file_excepti...
I am looking for a freelancer to help me configure filters for my Proxmox mail gateway. The main focus of this project is spam filtering. I trust the expertise of the freelancer to handle the configuration based on their knowledge and experience. The project is not urgent and can wait a few days for completion. Skills and Experience: - Experience with Proxmox mail gateway and mail filtering configurations - Strong knowledge of spam filtering techniques and best practices - Ability to understand and analyze mail filtering requirements - Excellent troubleshooting and problem-solving skills in mail filtering configurations