![]() Consider whether these applications are customer-facing or employee-facing. Some third-party applications will write logs to their host, which can then be collected.Īpplications developed by your internal team should also be built to log important events that can be captured. Typical events logged from databases can include slow queries and SQL timeouts, row limits, memory limitations, and cache issues.Īpplications: Applications include both third-party applications you’ve purchased and applications that have been developed in-house. Whether it’s a Windows, Linux, or Mac machine, most servers will offer some degree of event logging.ĭatabases: Many databases offer different logging levels to help administrators debug errors and identify issues that are on the horizon. Servers: Server monitoring covers a broad range of systems, including servers hosting applications, Active Directory Domain Controllers, file shares, and email servers. There are a lot of systems you could potentially monitor, and the ones you select will ultimately depend on your environment. While monitoring all three of these data types is fundamental to mature security operations, system monitoring typically focuses on the analysis of log data and asset data, specifically. Lastly is network data, which refers to data that’s specific to network performance, including bandwidth, network connection details, and routing behavior. Asset data can be particularly useful when monitoring for events that wouldn’t normally be captured in standard log files. This can range from basic resource metrics like CPU and memory to information about the processes and applications running on a given IT asset. Second is asset data, which refers to any data taken directly from the asset. Log data provides a detailed record of the transactions occurring across your IT environment. Zabbix - an GPLv2 alternative to Nagios.One way to think about monitoring your environment is to consider data in three categories.įirst is log data, which can be defined as any data written to a log file, regardless of whether it’s a common structure or simple text. Munin - Munin - a networked resource monitoring tool written in Perl (see also Teams/MuninMaintainers) ![]() Pandora FMS - Open source monitoring system They are sometimes provided with plugins to monitor a particular feature of the system. In addition to your Debian servers, these tools can control most of the time heterogeneous systems. These tools are typically used to monitor the overall functioning of a network computer fleet. Stacer - GUI for CPU/memory, and other things Saidar - Watch the burden simply and concisely (with network and disks)Ītop - Similar to saidar in the available information (also generates stats for long periods if run in the background via /etc/init.d/atop)Ĭpu-x - tool that gathers information on CPU, motherboard and more Htop - Alternative to the traditional top. Contains free, kill, pkill, pgrep, pmap, ps, pwdx, skill, slabtop, snice, sysctl, tload, top, uptime, vmstat, w, watch ![]() Procps - /proc file system utilities - a "pseudo" file system that provides information about processes. Wireshark - Capture and analyze network trafficĪpachetop - Realtime Apache monitoring tool ![]() Tcpdump - Capture communications transmitted over your network interfaces Iftop - Observe the flows on your network interfaces Netstat - Monitor active connections on your system Bootchart - Graphic generator detailing the boot sequence of the system.
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