The ultimate guide to hiring a web developer in 2021
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System Administration is a highly specialized field in the Information Technology (IT) sector. It involves a variety of tasks related to the maintenance, configuration, and reliable operation of computer systems, such as networks and core services. System Administrators not only manage the daily operations of these systems, but also have the responsibility of ensuring these systems are secure, protected from malicious attacks and software vulnerabilities.
A System Administrator is capable of optimizing system operations to ensure maximum uptime and efficiency using solutions like automation. This can help organizations save on costs and resources. An expert System Administrator can also identify areas where additional system resources are needed, create disaster recovery plans, automate processes, reduce risks, provide technical advice and implement overall security policies.
Some areas that should be addressed regularly by System Administrators include information security measures, disaster recovery solutions and infrastructure planning. All of this helps ensure that an organization's mission-critical systems remain up-and-running no matter what the situation may be.
Here's some projects that our expert System Administrator made real:
System Administration is an important job that requires expertise to master. With its complexity comes huge responsibilities - handling a controlled computing environment of a company or organization without compromising data security. If you have a project or idea that you want to be handled by an experienced System Administrator, Freelancer.com has you covered on finding one that meets your requirements. Post your project now and hire your own System Administrator today!
De 21,385 opiniones, los clientes califican nuestro System Administrators 4.92 de un total de 5 estrellas.System Administration is a highly specialized field in the Information Technology (IT) sector. It involves a variety of tasks related to the maintenance, configuration, and reliable operation of computer systems, such as networks and core services. System Administrators not only manage the daily operations of these systems, but also have the responsibility of ensuring these systems are secure, protected from malicious attacks and software vulnerabilities.
A System Administrator is capable of optimizing system operations to ensure maximum uptime and efficiency using solutions like automation. This can help organizations save on costs and resources. An expert System Administrator can also identify areas where additional system resources are needed, create disaster recovery plans, automate processes, reduce risks, provide technical advice and implement overall security policies.
Some areas that should be addressed regularly by System Administrators include information security measures, disaster recovery solutions and infrastructure planning. All of this helps ensure that an organization's mission-critical systems remain up-and-running no matter what the situation may be.
Here's some projects that our expert System Administrator made real:
System Administration is an important job that requires expertise to master. With its complexity comes huge responsibilities - handling a controlled computing environment of a company or organization without compromising data security. If you have a project or idea that you want to be handled by an experienced System Administrator, Freelancer.com has you covered on finding one that meets your requirements. Post your project now and hire your own System Administrator today!
De 21,385 opiniones, los clientes califican nuestro System Administrators 4.92 de un total de 5 estrellas.Need a US 'home base' for my work laptop while I'm overseas. You just plug it in near your router and leave it on – I remote in for a few hours a week. No tech skills needed. $200/month. I send the laptop pre-configured with a return label. Quick video call to verify I'm legit. Think of it like renting a parking spot for a car that never moves. Let me know if you're interested!
I need an expert to install the latest versions of WAMPServer and PHPlist on my Windows 11 laptop via TeamViewer.nnRequirements:n- Experience with WAMPServer and PHPlist installationsn- Proficient in TeamViewer for remote assistancen- Windows 11 familiarity is a plusnnAdditional Information:nThe installation does not work natively due to multiple failed attempts resulting in "Bad DIRECTORY" messages. Registry edits were done to remove all WAMP entries, yet the issue persists. This seems to be related to a deeper problem in the Windows 11 Registry, requiring specialized troubleshooting and insights. Please ensure a smooth and error-free setup.
am looking for a Control Systems Engineer who can provide a ready-to-use Virtual Machine (VMware or VirtualBox) pre-installed and configured with the following software environments for training purposes: ABB Symphony Plus (Engineering and Operations environment). Honeywell Experion PKS (R410, R500, or R510). Requirements: The VM must be fully functional with all necessary engineering tools (Builder, Configuration Studio, etc.). A brief live demonstration (5-10 mins) via screen share is required before releasing the final payment to verify the software environment is working correctly. Provide download links for the VM files (OVA/VMDK).
I need help configuring my Raspberry Pi 5 to block ads and keep my DNS queries private. It will be used with my AT&T BGW620-700 Wi-Fi network. Requirements: - All devices on the network should route DNS queries through Pi-hole first. - Filter ads and track DNS queries for both IPv4 and IPv6. - Considering using "Unbound" software for added privacy. Ideal Skills and Experience: - Experience with Raspberry Pi and Pi-hole - Knowledge of DNS, IPv4, IPv6, and Unbound - Networking skills, especially with AT&T routers - Ability to guide through initial setup since the OS is installed but not yet turned on
I’m running a small Windows cluster—no more than five nodes—all hosting .NET services, and I want OpenTelemetry Collector installed and tuned so I can see CPU usage, memory usage and network traffic in near-real time. The job is to produce a repeatable, production-ready setup: • Windows-compatible Collector binaries and all required receivers/exporters • A clear, commented YAML configuration that gathers CPU, memory and network metrics • An automation script (PowerShell preferred) that installs the Collector, registers it as a service and applies the config across 1-5 nodes • A concise guide showing how to verify the metrics from a fresh node and extend the config later Acceptance criteria • After following your guide on a clean node, m...
I want a small, well-structured toolkit of Bash scripts that automate three routine but sensitive tasks on my Linux servers and come with clear, client-ready documentation. The first script, , must read a pipe-delimited CSV (username|email|role|department) and for each line create the user, add them to the right primary or secondary groups, set a strong random temporary password, force a password change at first login, and log every step to both stdout and /var/log for traceability. The second, , should perform a quick security sweep: list all regular accounts, flag anything that holds UID 0 besides root, highlight users whose passwords never expire, and output a neatly formatted report that I can email or drop into a SIEM. The third, , will accept a team folder path and group name, app...
I run a small but growing company whose staff is scattered across several time zones. Because we have no physical headquarters, every employee depends on a reliable, secure technology stack to stay productive. I need an experienced IT systems manager who can step in and own that environment from end to end. Day-to-day you will: • Monitor and maintain all user workstations, keeping operating systems, apps and security patches current. • Administer accounts, permissions and backups in our cloud services (you’ll help me choose or streamline them where necessary). • Act as first-line support for the team: diagnose connection issues, resolve software conflicts and keep Zoom—our primary meeting platform—running smoothly. • Document processes so onboar...
Our company mailbox on an Ionos-hosted server is being flooded with unwanted messages and I need an expert to stop them quickly and cleanly. The mail flow passes through Ionos before it reaches Microsoft Outlook on the desktop, so whatever you implement must sit at server level and not rely on individual client rules. What I already know • The problem is on the company email server, not a personal inbox. • We run on the Ionos mail platform (not Exchange or Google). • Spam ranges from phishing attempts to the usual marketing clutter—if it’s malicious, I want it blocked; if it’s legitimate but irrelevant, I want it routed to junk automatically. What I’m hoping you will do 1. Audit current MX, SPF, DKIM and DMARC records, then correct or harden...
Saya membutuhkan bantuan profesional di bidang teknologi untuk memastikan sistem kami tetap berjalan lancar setiap hari. Fokus utamanya adalah menjaga kestabilan layanan, memonitor performa, serta menanggapi masalah kecil sebelum berkembang menjadi gangguan besar. Tugas inti: • Melakukan pemeriksaan rutin pada server, aplikasi, dan jaringan. • Menangani troubleshooting dasar ketika muncul error atau penurunan kinerja. • Memberikan saran praktis agar operasional tetap optimal dan aman. Infrastruktur kami sudah aktif; saya hanya perlu dukungan berkelanjutan agar semuanya “lanjut beroperasi” tanpa hambatan. Silakan ajukan jika Anda terbiasa bekerja cepat, komunikatif, dan berpengalaman dalam lingkungan teknologi produksi.
I’d like my Windows laptop configured so my children (aged 10-15) can use it safely without constant supervision. The setup must: • Enforce daily and weekly time limits that automatically log them out when the allowance is reached. • Block a list of questionable or distracting websites I will provide, and make it easy for me to add or remove sites later. • Prevent access to specific applications and system areas I choose, while leaving school-related programs untouched. • Let me trigger a remote log-off or shutdown from my own account or phone whenever homework needs attention. I don’t have a preferred tool yet and would appreciate your guidance on whether the built-in Windows family settings are enough or if a third-party suite (e.g. Qustodio, Norto...
I manage our university’s Student Information System and need a technically savvy partner to keep it running at peak performance while we expand its capabilities. Day to day, the work ranges from fine-tuning system configuration, maintaining a clean permission hierarchy, and automating routine admin tasks, through to digging into database queries when the system slows down or an integration drops data. You’ll be hands-on with: • System configuration & ongoing management • User account lifecycle, roles, and permissions • Reporting, analytics, and custom queries Current pain points I want resolved quickly: • Intermittent performance slow-downs during high-traffic periods • Data integration failures between the SIS and our LMS/HR platforms ...
I need help with my laptop to check and delete unauthorized access. Ideal skills and experience: - Experience with security and access management - Familiarity with various operating systems - Ability to work efficiently and securely
I want to consolidate all of our documents into a single OneDrive shared drive for our small non-profit. Fewer than ten people will be using it, and every one of them needs full administrative access so they can add, edit, and reorganise files without restrictions. What I need from you: • Configure a shared OneDrive library (within our existing Microsoft 365 Non-Profit tenant or guide me through any licensing steps). • Apply full-admin permissions to each user on the team. • Establish a simple, logical folder structure and migrate our current documents. • Provide a brief hand-off: either a quick written guide or short screenshare/video so we can maintain the drive ourselves. We’re on a tight budget, so please keep the setup lean and stick to built-in Micro...
I'm having trouble connecting my V39 scanner to my desktop via USB. The error message states "No device found." I'd like someone who can diagnose and fix this issue. Ideal skills and experience include: - Experience with V39 scanners - Proficiency in troubleshooting USB connection issues - Familiarity with Windows, MacOS, or Linux (please specify your OS)
We are looking for an experienced Amazon Linux 2023 Corporate Trainer to deliver instructor-led training for our client. Training Duration 16 Hours Mode: Virtual (Live Instructor-Led) Target Audience Linux Administrators Red Hat Administrators DevOps Engineers Cloud Engineers System Administrators migrating workloads to AWS Training Scope The trainer should have strong hands-on experience in the following areas: Amazon Linux 2023 Architecture & Features Amazon Linux vs SUSE Linux Comparison Deploying Amazon Linux on AWS EC2 EC2, IAM Roles, IMDSv2, Cloud-Init & User Data Amazon Linux Administration DNF Package Management Security (SELinux, IAM Integration, Security Updates) AWS Storage (EBS, LVM, Snapshots & Encryption) Linux & AWS Networking (VPC, Subnets, Route Tables, ...
I need a comprehensive setup of Google Workspace services including Email, Drive, and Calendar. Additionally, I require support with data migration within Google Workspace. Ideal Skills and Experience: - Experience with Google Workspace setup - Familiarity with data migration processes within Google Workspace - Knowledge of configuring security settings (e.g., two-factor authentication, data loss prevention) is a plus Please provide a detailed proposal outlining your approach and relevant experience.
I’m looking for an experienced IT professional who can jump in quickly and resolve a Windows-based software-installation problem for me. The application fails to complete its setup on a Windows 10 workstation and I need clear, actionable help to get it running without errors. Here is what I expect: • A live session (Zoom, Teams, or similar) or secure remote-desktop connection so you can diagnose the root cause. • Step-by-step fixes applied during the session, covering prerequisites, permissions, registry edits or command-line work if necessary. • A brief recap at the end—what you changed and how to repeat the process should I reinstall in the future. If you routinely troubleshoot Windows installers, handle dependency issues, and are comfortable with tools like ...
Our stack runs on a mix of Proxmox VMs, bare-metal Linux, and Docker containers that host several resource-intensive workloads (WordPress sites, small AI services, internal tools). Performance has started lagging, so the goal is a measurable speed-up across the board—CPU, memory, disk I/O, and network throughput. Scope of the optimisation • Server side: fine-tune Proxmox (kernel parameters, storage back-ends, CPU pinning) and harden the underlying Linux hosts, making sure Docker containers inherit those gains. • Network side: analyse current routing, bridges, VLANs and SDN overlays, then remove bottlenecks and reduce latency between VMs, containers and external clients. • Application side: profile the heaviest WordPress and AI containers, tweak PHP-FPM, databas...
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