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 163,552 opiniones, los clientes califican nuestro System Administrators 4.86 de un total de 5 estrellas.
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Necesito instalar una imagen personalizada en un servidor dedicado Bare Metal adjunto la guia, por favor aplicar solo lo que tengan experiencia en este tema, exclusivamente con el proveedor OVH CLOUD.
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 to help me set up a VPS for personal use. I do not have a specific VPS provider in mind, so I am open to recommendations. I need this project to be completed as soon as possible. Requirements: - Set up SPF, DKIM, and DMARC for the VPS - Achieve a high email testing score of at least 10 - Install a script on the VPS Ideal Skills and Experience: - Experience in setting up VPS and configuring email protocols - Knowledge of SPF, DKIM, and DMARC authentication methods - Familiarity with email testing and optimizing deliverability - Proficiency in installing scripts on VPS platforms
I am looking for a freelancer who can help me with a huge DDOS attack that has caused my VPS to go offline. I am not sure what type of VPS service I am using, but I have received specific error messages or notifications. I need someone with experience in handling DDOS attacks and troubleshooting VPS issues to help me resolve this issue. The ideal freelancer should have the following skills and experience: - Experience in handling DDOS attacks and mitigating their effects on a VPS - Knowledge of different types of VPS services and their configurations - Proficiency in troubleshooting VPS issues and resolving them efficiently - Familiarity with Cloudfare and its functionalities - Strong communication skills to effectively communicate the progress and updates of the project If you have the ...
I am looking for a freelancer who has experience with Linux operating systems. Specifically, I need assistance with task Skills and Experience: - Proficiency in Linux operating systems - Knowledge of file recovery techniques - Familiarity with troubleshooting and maintenance of Linux systems Timeline: - The assistance is needed within a week. Please provide your relevant experience and expertise in your proposal.
I need an admin familiar with configuring and troubleshooting the HP Synergy 12000 chassis. I am running into issues and want someone to configure and setup the chassis for us. Please watch the attached video. Our first issue can be seen in this video. We have a chassis we purchased and have installed the Synergy Composer card and the image streamer card. When we connect directly to the chassis we load the Synergy console through VNC. The screen loads properly and shows all of the hardware healthy. We then click Connect to Oneview. The screen as seen takes 10-15 min to boot and begin loading Oneview, but then it shows a screen that says . The oneView appliance(s) in this frame are not responding. If an install of upgrade is in progress, do not reset the oneview applia...
Project Description: Optimise network of U6 routers for home use with slow internet speed - Current Network Setup: Multiple routers connected in parallel - Understand that Cloud Gateway hardware may be missing for optimal use - Main Issue: Slow internet speed - Intended Use: Home use Skills and Experience: - Strong knowledge and experience in network optimization - Expertise in configuring and managing U6 routers - Proficiency in diagnosing and troubleshooting network issues - Familiarity with home network setups and their specific requirements - Ability to analyze and optimize network performance to improve internet speed - Knowledge of best practices for enhancing network range and stability - Experience in optimizing networks for heavy data transfer use (optional, since the intended u...
We have linux VPS server on Hostinger. We have tomcat installed. when we try to access we are getting default apache or tomcat page error. we need to redirect from default URL To Interested should work on our machine through ANYDESK
I am looking for a freelancer who can help me install Desmond on my Linux GPU VPS. This project is for personal use and I have a general idea of the installation process, but I need advice to ensure it is done correctly. also need to install Cuda core for GPU support. Requirements: - Install Desmond on a Linux GPU VPS - Provide guidance and advice throughout the installation process Skills and Experience: - Proficiency in Linux and GPU VPS - Experience with installing Desmond and other software on a Linux system - Strong troubleshooting skills to ensure a successful installation
AWS Hosting I am looking for a freelancer who can help me with AWS hosting. Requirements: - The project requires the use of EC2 for hosting. - I need assistance with AWS setup and configuration. - The preferred server location for AWS is Asia Pacific (Mumbai). Ideal Skills and Experience: - Strong knowledge and experience in AWS EC2. - Expertise in AWS setup and configuration. - Familiarity with Asia Pacific (Mumbai) server location. Please provide your relevant experience and examples of past projects related to AWS hosting.
OsTicket Installation and Configuration I am looking for a freelancer who can help me with the installation and configuration of OsTicket on my Linux server. I need someone who has experience working with Linux operating systems and is familiar with OsTicket. Requirements: - Experience with installing and configuring OsTicket on Linux servers - Knowledge of Linux operating systems - Ability to customize and enhance the ticketing system in OsTicket - Familiarity with ticketing system enhancements - Strong problem-solving skills Specific Modules or Features: - I am looking to add ticketing system enhancements to my OsTicket system. This includes improving the ticketing process, streamlining workflows, and enhancing the overall user experience. - I want to optimize the ticketing system to ...
I am looking for a freelancer who can help me with connecting Blockscout with my AWS EC2 instance running a node of a blockchain. Here are the details of the project: Ideal Skills and Experience: - Proficiency in Blockscout and AWS EC2 - Intermediate knowledge level of Blockscout and AWS EC2 - Experience in connecting Blockscout with AWS EC2 instances - Familiarity with running nodes of a blockchain on AWS EC2 Read this documentation if you can do it then contact me (removed by Freelancer.com admin) Project Timeline: - The completion of this project is expected within a week Please note that this project is for personal use. If you have the required skills and experience, and can complete the project within the given timeline, please submit your proposal. Thank you.
I am looking for an intermediate Unix and EDA Administrator to help me with unix software installation, user management, EDA tool installation etc and remote login setup.. The ideal candidate should have experience in installing software. The specific tasks for the administrator will include: - Installing software on our Unix system - EDA tool and license management - Remote user management - Assisting with system updates - Troubleshooting any issues that may arise
I need you to help me to get my VMs out of Hetzner Cloud to my dedicated VMs. As i want to do it on my most machines by my self i kindly ask to to it with me on severall VMS lets say 3 so convert cloud vm with me together Crate a hyperv VM bring it up Write together with me a short tutorial. Tahts it
Selling More than 500 Digital Pick 4 Lottery Numbers Skills and Experience: - Experience in generating and selling digital lottery numbers - Knowledge of Pick 4 lottery system - Ability to handle a large number of transactions and ensure accuracy - Strong understanding of online payment systems for secure transactions - Excellent communication skills to provide customer support and answer queries - Ability to deliver the lottery numbers promptly and efficiently to customers
Leistungsstarke, agile Boards Scrum Boards: Scrum Boards helfen agilen Teams bei der Aufteilung großer, komplexer Projekte in überschaubare Arbeitsblöcke. Teams können konzentriert arbeiten und schneller Ergebnisse liefern. Kanban Boards: Vielseitige Kanban Boards helfen Agile- und DevOps-Teams, Workflows visuell darzustellen, Work in Progress einzuschränken und die Effizienz im Team zu maximieren. Für den schnellen Einstieg gibt es Vorlagen, die du nach Belieben anpassen kannst. Du hast die Kontrolle: Jira Software lässt sich flexibel an die Arbeitsweise deines Teams anpassen, egal ob es sich um Scrum, Kanban oder etwas anderes handelt.
I am looking for a freelancer to set up a UniFi network for my medium-sized area of 1000-5000 sq ft. The network will primarily connect other IoT devices. I require standard security features such as WPA/WPA2. Skills and experience needed: - Experience in setting up UniFi networks - Knowledge of IoT devices and their connectivity requirements - Proficiency in configuring security features such as WPA/WPA2
I had big table which had over 200g of data inside my db mysql centos7 , I wanted to check it inside phpmyadmin but I rebooted my server by mistake , until now its locked , I need to extract the .sql from that table , only experts don't waste my time ....
I am in need of a Cisco expert who can troubleshoot configuration issues with Cisco EPNM. Unfortunately, I do not have access to any technical support or resources for this problem. I am looking for someone who can resolve this issue within 24 hours. Skills and experience required: - Strong knowledge and experience with Cisco EPNM - Expertise in troubleshooting configuration issues - Ability to work independently and efficiently to meet the tight timeline
I've activated UFW and installed SSL certificate on the server. Now I cannot SSH and SFTP. I read that i need allow port 22 which I did not, but now Im not able to access my server via Putty. Interested please MESSAGE me "I am able to do it right now"
Seeking a skilled and experienced DevOps Engineer for a short-term contract. The primary focus of this role is to review and optimize our current server setup, including Nginx configurations, PHP-FPM settings, and database architecture, to enhance the scalability and performance of our application. Tasks: - Conduct a comprehensive review of our existing server infrastructure. - Analyze and optimize Nginx configuration for improved performance and reliability. - Review and fine-tune PHP-FPM settings to ensure optimal resource utilization and response times. - Assess our current database setup (MySQL/PostgreSQL/etc.) for scalability and performance bottlenecks. - Provide recommendations for scaling our application infrastructure to handle increased load. - Implement best practices for serve...
Install a Windows application on a VPS Windows 2016 Server and check this application for proper functioning. Knowledge of VPS under Windows 2016 is therefore required.
Project Description: Fix Apache server start issue on Linux server - I am looking for a freelancer who can help me fix the Syntax Error that I am receiving when trying to start the Apache server on my personal Linux server. - The project is for personal use and the server is running on Linux. - The main issue I am facing is a Syntax Error during the server start. - The ideal freelancer for this job should have experience in troubleshooting Apache server issues on Linux. - Knowledge of server configurations and the ability to identify and fix syntax errors is essential. - The fixed cost for this project is INR 1000.
Project Description: I am in need of an experienced email troubleshooting expert to help resolve issues with my existing business email on Gmail. I use BlueHost for webhosting and email that forwards to Google Workspace. Skills and Experience Required: -BlueHost administration - Proven experience in troubleshooting email issues, specifically with Gmail - In-depth knowledge of Gmail's email sending and receiving processes - Ability to diagnose and resolve problems related to email not sending or receiving - Familiarity with common login issues and the ability to troubleshoot and resolve them efficiently - Strong communication skills to effectively understand and address the specific email troubleshooting needs of my existing business - Efficient problem-solving skills to identify a...
Hello, we lloking to hire an linux expert for UBUNTU VPN Installation for Multi IP Purpose of the VPN Installation: - Multi-location IP masking Level of Technical Knowledge: - Advanced VPN Protocols: - OpenVPN I am looking for an experienced freelancer who can help me with the installation of a VPN on my UBUNTU system. The primary purpose of the VPN is to mask my IP address and provide multi-location IP masking. Ideal Skills and Experience: - Advanced technical knowledge in VPN installation and configuration on UBUNTU - Expertise in working with OpenVPN protocol - Familiarity with UBUNTU operating system - Ability to troubleshoot and resolve any issues that may arise during the installation process If you have the necessary skills and experience, please submit your proposal. Thank...
- Manage Servers through the SSH protocol - Manage IPv4 Subnets - Manage Geo Location of prefixes - Implementation of IPv4 Proxy HTTP, Socks5, UDP (HTTP is Socks5) - Maximize utilization of the Debian 11 and 12 operating system. - Install is configure Bird (BGP) - Install and Configure 3Proxy - Authentication by allowed IPs - User authentication is password - Configure Firewall rules (inbound and outbound rules) - Do not allow the most common types of leaks (mainly DNS leaks). - Cron (release memory cache every 5 minutes). - Band control - API for external integration - Integration module for WHMCS The system must be developed in PHP 8.2 or newer using PSR good practices.
I am seeking a Linux Ubuntu expert to assist me with the installation and configuration of my Ubuntu system. Specific tasks include: - Installing desktop UI version on my ubuntu ( lxde ) - Configuring VPN with openvpn or surfshark - Set firefox - Running 2 firefox ( with ip differente by vpn ) Ideal skills and experience: - Strong knowledge of Linux Ubuntu - Experience in system installation and configuration The project is a one-time project and does not require ongoing support.
We are looking for an AWS expert to optimize the cost of my low-usage taxi app. The attached image shows the existing billing. The app usage is very low, with less than 1000 orders posted and less than 30 completed orders per month. But the scope of the app is to handle minimum 60k to 100k in the next 3 months. the upcoming months to handle 500k+ WE need an expert to: Analyze the current AWS usage and identify areas where costs can be reduced. Recommend the best server configuration for the app. Implement the recommended changes. Requirements: Experience with AWS cost optimization Experience with AWS server configuration Responsibilities: Analyze the current AWS usage Identify areas where costs can be reduced Recommend the best server configuration for my app Implement the recommende...
Server Maintenance and Administration I am looking for a freelancer who can assist me with the following tasks related to server maintenance and administration: - Security monitoring and management: I need someone who can regularly monitor the security of my server and manage any potential threats or breaches. Service Requirements: - Ongoing service: I require ongoing assistance with server maintenance and administration. Initially, I would need the freelancer to provide their services once every 15 days, and later once a month. Server Software: - Windows & .Net - Ubuntu Ideal Skills and Experience: - Experience with security monitoring and management. - Knowledge of Windows and ubuntu server software. - Familiarity with server maintenance and administration tasks. If you are ...
I am looking for someone to help me debug an issue with accessing an EC2 instance via SSH. I am using Linux to connect to the instance, and I am receiving a "Connection timed out" error message when trying to connect. I have already checked my security group rules to ensure SSH traffic is allowed. Skills and experience required for this job: - Strong knowledge of Linux operating system - Experience troubleshooting and debugging SSH connection issues - Familiarity with EC2 instances and security group rules
I am in need of a freelancer who can assist me with a Windows Exchange Server project. The specific functionality I require for the exchange server is email management. I have a preference for Exchange Server 2019 and I will need full assistance with the installation and configuration of the server. Ideal Skills and Experience: - Experience in working with Windows Exchange Server - Strong knowledge of email management and Exchange Server 2019 - Proficiency in server installation and configuration - Excellent problem-solving skills and ability to troubleshoot any issues that may arise during the project
I am looking for a freelancer who can help me configure Haproxy settings for proxying purposes. I have a specific configuration in mind and I need someone with experience in Haproxy to implement it. The estimated load my server needs to handle is small, with less than 5000 users. Ideal Skills and Experience: - Proven experience in configuring Haproxy settings for proxying purposes - Familiarity with different Haproxy configurations and best practices - Knowledge of server load balancing and optimization techniques - Strong troubleshooting and problem-solving skills - Excellent communication and collaboration skills to work with our team.
I am looking for a skilled DevOps professional who can assist me in transferring and deploying all of the resources on my AWS account. Specific services and applications currently being used on my AWS account include EC2 instances. I prefer an automated deployment method using CI/CD tools. While there are no specific requirements or constraints related to the migration process, cost is an important consideration for me. Ideal skills and experience for this project include: - Strong knowledge and experience with AWS services, particularly EC2 instances - Proficiency in CI/CD tools and automation for seamless deployment - Ability to optimize cost and provide cost-effective solutions - Excellent problem-solving skills and attention to detail - Effective communication and collabo...
I am looking for a freelancer who can help me resolve an issue with installing a SQL Server certificate. I am specifically experiencing the problem of being unable to install the certificate. Error Message: The error message that I am receiving is "The certificate, asymmetric key, or private key file is not valid or does not exist; or you do not have permissions for it." Note: The "" and "" files both exist and have been used successfully before, so my hunch is that this is a possible user permissions problem on a newly installed SQL2019 instance, but it has me stuck. I can provide more details and screen prints upon request. SQL Server Version: I am using SQL Server 2019. Skills and Experience Required: - Strong knowledge and experience with SQL Ser...
Set Up a Video Streaming Server using Nginx-RTMP and HLS and DASH I am in need of a freelancer to set up a video streaming server using Nginx-RTMP and support for HLS protocol. Here are the details of my project: Server Setup: - Currently, my server is on a shared hosting environment. Streaming Protocol: - I prefer to use HLS for streaming. User Interface: - I require a user interface for managing the streaming server. Skills and Experience: - Experience in setting up video streaming servers using Nginx-RTMP and supporting HLS protocol. - Knowledge of server configurations and optimizations for shared hosting environments. - Proficiency in developing user interfaces for managing streaming servers. If you have the necessary skills and experience, please bid on this project.
I have a Mern project that will be hosted on aws, i would like a security consultation and possible follow up work. Your focus will be on proactivley suggesting security provisions and grading those suggestions as, essential, conventional, reccomended, optional and good to consider when you have a 1,000,000 users etc. lol
Fix site app not loading on VPS - Type of site app: Custom-built - Server hosting access: Yes - Error message: No error message, the page just won't load I am in need of a skilled developer who can fix the issue with my site app not loading on my VPS. The site app is custom-built and I have access to the server hosting the VPS. There is no error message displayed, but the page simply won't load. Ideal Skills and Experience: - Strong experience in troubleshooting and resolving issues related to custom-built site apps - Proficiency in working with VPS hosting environments - Knowledge of server configurations and settings - Ability to diagnose and fix issues without relying on specific error messages If you have the expertise and experience required to fix this issue, please su...
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
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 antivirus on the VMs. Also have Knowledge of Suricata and Mod security custom rules. Note: AD is windows and other VMs are Ubuntu. 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
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...