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The Training: Mastering iostat - Analysis of Linux System Performance training is delivered in-person or remotely (blended-learning, e-learning, virtual classroom, remote in-person). At Learni, a Qualiopi-certified training organization, each program is designed to maximize skills acquisition, regardless of the training mode chosen.
The trainer alternates between demonstrative, interrogative, and active methods (through practical exercises and/or real-world scenarios). This pedagogical approach ensures concrete and directly applicable learning in the workplace.
To ensure the quality of the Training: Mastering iostat - Analysis of Linux System Performance training, Learni provides the following teaching resources:
For in-house training at a location external to Learni, the client ensures and commits to having all necessary teaching materials (IT equipment, internet connection...) for the proper conduct of the training action in accordance with the prerequisites indicated in the communicated training program.
The assessment of skills acquired during the Training: Mastering iostat - Analysis of Linux System Performance training is carried out through:
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Presentation of the challenges of disk I/O monitoring on Linux. Discovery of the sysstat suite and installation of iostat. Understanding key concepts: I/O, throughput, latency, queues. Using iostat: syntax, main options, interpretation of columns (tps, kB_read/s, kB_wrtn/s, await, etc.). Study of result differences according to the hardware used: HDD, SSD, SAN. Setting up practical test scenarios and analysis of results for diagnosing common cases (disk saturation, resource-intensive processes, etc.). Introduction to historical statistics collection and automated report generation. Tips for integrating iostat into existing monitoring tools (Zabbix, Nagios, Grafana, Prometheus).
Target audience
System administrators, DevOps engineers, IT technicians wishing to diagnose disk performance under Linux
Prerequisites
Basic knowledge of GNU/Linux and the command line
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