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Linux Performance Monitoring & Analysis

Start in-demand career as a Linux Server Admin and learn from real IT professionals with live Environment Sessions.
Course from Udemy
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Familiar with monitoring tools which can used to check the performance related issues on Linux Server.
Familiar with four subsystems that needs to be monitored. CPU/Memory/IO/Network
Created so many labs to explain performance related issues with examples.
Understanding High Memory Utilization on Linux Server causing performance issues.
Understanding High CPU Utilization on Linux Server causing performance issues.
Understanding Network Utilization (Packet loss, errors) on Linux Server causing performance issues.
Understanding High Disk IO Utilization on Linux Server causing performance issues.
Familiar with tcpdump - Network Packet Analyzer
Familiar with lsof - List open files
Linux Find commands with various examples
Command to list out top processes consuming highest memory utilization
Command to list out top processes consuming highest cpu utilization

Course Contents

Linux Performance Monitoring & Tuning

Introduction about Performance monitoring in Linux

Important four subsystems that needs to be monitored.

  • CPU

  • Memory

  • I/O

  • Network

  • Familiar & understanding with CPU Utilization

  • Like Context switches, Run Queue, CPU utilization & Load Average

  • Familiar & understanding with Memory Utilization

  • Familiar & understanding with I/O Analyses

  • Familiar & understanding with Network Monitoring

Familiar with various Commands to manage performance issues in Linux Servers           

  • top

  • vmstat

  • iostat

  • free

  • lsof

  • tcpdump- Network Packet Analyzer

Following are the Linux performance statistics using sar command.

  • Collective CPU usage

  • Individual CPU statistics

  • Memory used and available

  • Swap space used and available

  • Overall I/O activities of the system

  • Individual device I/O activities

  • Run queue and load average data

  • Network statistics

  • Report sar data from a specific time

Process Management

  • Understanding ps commands with custom properties & Nice values etc

  • Different stats of a process like "D", "S", "T", "Z" etc

  • Kill commands to terminate the process

  • Lab

Linux Find Commands

  • Basic find commands for finding files with names

  • Find files based on their permissions

  • Search files based on owners & groups

  • Find files and directories based on date & time

  • Find files and directories based on size

Top Running Processes

  • Command to list out top processes consuming highest memory utilization

  • Command to list out top processes consuming highest cpu utilization

Lab on lsof - List open files & fuser

  • lsof command used in many Linux/Unix like system that is used to display list of all the open files and the processes.

Lab on tcpdump- Network Packet Analyzer   

  • For example: number of packets received (transmitted) through the network card, statistics of packet failure etc         

Practice Lab Sessions   

  • Practical Lab Session - High CPU Utilization

  • Practical Lab Session - High Memory Utilization


Linux Performance Monitoring & Analysis
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