Best System Monitoring Software for Linux

ManageEngine Site24x7 is a comprehensive observability and monitoring solution designed to help organizations effectively manage their IT environments. It offers monitoring for back-end IT infrastructure deployed on-premises, in the cloud, in containers, and on virtual machines. It ensures a superior digital experience for end users by tracking application performance and providing synthetic and real user insights. It also analyzes network performance, traffic flow, and configuration changes, troubleshoots application and server performance issues through log analysis, offers custom plugins for the entire tech stack, and evaluates real user usage. Whether you're an MSP or a business aiming to elevate performance, Site24x7 provides enhanced visibility, optimization of hybrid workloads, and proactive monitoring to preemptively identify workflow issues using AI-powered insights. Monitoring the end-user experience is done from more than 130 locations worldwide.

ManageEngine OpManager is a powerful system monitoring tool that provides comprehensive oversight of critical IT infrastructure, including servers, network devices, and applications. It delivers real-time insights into system performance, tracking key metrics such as CPU usage, memory consumption, disk space, and network activity. With proactive alerting and automated fault detection, OpManager enables IT teams to quickly identify and resolve issues, ensuring maximum system uptime and reliability. Its customizable dashboards and detailed reporting features enhance visibility and facilitate efficient resource management, making it an essential solution for maintaining optimal system performance.

NinjaOne automates the hardest parts of IT, delivering visibility, security, and control over all endpoints for more than 20,000 customers. The NinjaOne automated endpoint management platform is proven to increase productivity, reduce security risk, and lower costs for IT teams and managed service providers. The company seamlessly integrates with a wide range of IT and security technologies. NinjaOne is obsessed with customer success and provides free and unlimited onboarding, training, and support.

FirstWave’s NMIS is a complete network management system that provides fault, performance, and configuration management, performance graphs, and threshold alerts. Business rules allow for highly granular notification policies with many types of notification methods. NMIS consolidates multiple tools into one system, ready for Network Engineers to use. Scalable, flexible, open, and simple to implement and maintain, NMIS is the Network Management System that underpins the operations of over one hundred thousand organizations worldwide – making it one of the most widely used open-source Network Management Systems in the world today. FirstWave enables partners, including some of the world’s largest telcos and managed service providers (MSPs), to protect their customers from cyber-attacks, while rapidly growing cybersecurity services revenues at scale. FirstWave provides a comprehensive end-to-end solution for network discovery, management, and cybersecurity for its partners globally.

With more than 50,000 customer installations across the five continents, Pandora FMS is a truly all-in-one monitoring solution, covering all traditional silos for specific monitoring: servers, networks, applications, logs, synthetic/transactional, remote control, inventory, etc. Pandora FMS gives you the agility to find and solve problems quickly, scaling them so they can be derived from any source, on-premise, multi cloud or both of them mixed. Now you have that capability across your entire IT stack and analytics to find any problem, even the ones that are hard to find. Thanks to more than 500 plugins available, you can control and manage any application and technology, from SAP, Oracle, Lotus, Citrix or Jboss to VMware, AWS, SQL Server, Redhat, Websphere, etc.

Atera, the first and only Agentic AI platform for IT management, offers IT teams and MSPs a digital workforce of AI agents to preemptively and autonomously manage their entire IT operations. Its all-in-one platform combines RMM, helpdesk, ticketing, and automation to reduce downtime, improve SLAs, and free IT teams to focus on strategic work over mundane tasks. At the core of Atera’s platform are two powerful AI agents built to enhance every layer of IT operations. AI Copilot helps technicians troubleshoot devices, run diagnostics, and generate actionable solutions in real time. IT Autopilot delivers 24/7/365, autonomously resolving Tier-1 issues and reducing IT workload by up to 40%. It acts like a personal AI technician for every employee, freeing your team to focus on what really matters. Trusted by 13K+ customers in over 120 countries, Atera scales with your needs while maintaining the highest security and compliance standards.

N‑able N-sight RMM® is a cloud-based IT solution that makes it easy for MSPs to deliver valuable technology services within hours, not weeks or months. Clear graphical dashboards place alerts front and center so you can focus on what needs you most. Built-in remote access and security features help you support and protect from day one. And when you’re ready, grow your business with additional security layers and add-ons services to expand your offering. N‑able N-sight RMM features include remote access, network path visualization, automated monitoring and maintenance, prescriptive data analytics, data-breach risk intelligence, and more. N‑able N-sight RMM is also available for download as Android and iOS mobile apps to allow users to manage issues anywhere.

Checkmk is a comprehensive IT monitoring system that enables system administrators, IT managers, and DevOps teams to identify issues across their entire IT infrastructure (servers, applications, networks, storage, databases, containers) and act quickly to resolve them More than 2,000 commercial customers and many more open source users worldwide use Checkmk daily. Key product features: • Service state monitoring with almost 2,000 checks 'out of the box' • Log and event-based monitoring • Metrics, dynamic graphing, and long-term storage • Comprehensive reporting incl. availability and SLAs • Flexible notifications and automated alert handling • Monitoring of business processes and complex systems • Hardware and software inventory • Graphical, rule-based configuration, and automated service discovery Top use cases: • Server Monitoring • Network Monitoring • Application Monitoring • Database Monitoring • Storage Monitoring • Cloud Monitoring • Container Monitoring

CloudRadar is a professional monitoring solution. It monitors public and private servers, networks and network devices, clouds and websites in one application for availability, uptime, process and performance metrics. CloudRadar promises fast deployment with guided configuration and best-practice alert types pre-configured in its complete alerting engine. Outages and issues are immediately alerted with CloudRadar's notification feature, using 7 different channels to choose from to deliver alerts. Users can completely customize alert thresholds or set up unlimited new checks per host with a complete team management capability. With a focus on delivering a radically simple, uncluttered interface encompassing all critical monitoring metrics, CloudRadar is tool that is built for System Admins and IT managers - allowing them to monitor their entire infrastructure in one unified, easy-to-use interface with deep insights into office, remote or cloud resources across the stack.

Netreo is the most comprehensive full stack IT infrastructure management and observability platform. We provide a single source of truth for proactive performance and availability monitoring for large enterprise networks, infrastructure, applications and business services. Our solution is used by: - IT Executives to have full visibility from the business service right down into the infrastructure and network that supports it. - IT Engineering departments as a decision support system for capacity planning, and architecting modern solutions. - IT Operations teams for real time visibility into what is failing in their environment, what bottlenecks exist and who it is affecting. We provide all of these insights for systems and vendor mixes in large heterogeneous and constantly evolving environments. We have an extensive and growing list of supported vendors (over 350 integrations) including network vendors, servers, storage, virtualization, cloud platforms and others.

NamLabs Technologies is an Indian software company that publishes a software suite called Atatus. Atatus is a SaaS software & a full stack observability platform. It provides a wide range of monitoring capabilities including Application Performance Monitoring, Real-User Monitoring/ End User Monitoring/ Browser Monitoring, Synthetic Monitoring, Infrastructure Monitoring, Logs Monitoring, and API Analytics. Analyze the performance of your application for performance issues such as slow transactions, database queries, website availability, uptime, latency, response time, and throughput, much more. 24x7 customer support is guaranteed.

CruzOC is a scalable multi-vendor network management and IT operations tool for robust yet easy-to-use netops. Key features of CruzOC’s integrated and automated management include performance monitoring, configuration management, and lifecycle management for 1000s of vendors and converging technologies. With CruzOC, administrators have implicit automation to control their data center operations and critical resources, improve network and service quality, accelerate network and service deployments, and lower operating costs. The result is comprehensive and automated problem resolution from a single-pane-of-glass. Cruz Monitoring & Management. NMS, monitoring & analytics -- health, NPM, traffic, log, change. Automation & configuration management -- compliance, security, orchestration, provisioning, patch, update, configuration, access control. Automated deployment -- auto-deploy, ZTP, remote deploy. Deployments available on-premise and from the cloud.

Level is a remote monitoring and management (RMM) solution that gives you fast, intuitive, and secure access to your devices located anywhere in the world, right through your browser. With a simple one-line command, you can access up-to-date information on your endpoints, or control them with Level's low-latency remote access. Designed with security in mind, Level uses fully encrypted peer-to-peer (P2P) connections with your devices, meaning no third-party exists between you and your hardware. Your team can create powerful scripts, execute them across any or all devices, all while being able to control who can access them. Level is bringing an innovative, efficient, modern approach to remote monitoring and management.