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Udemy

Linux Performance Monitoring & Analysis - Hands On !!

via Udemy

Overview

Start in-demand career as a Linux Server Admin and learn from real IT professionals with live Environment Sessions.

What you'll learn:
  • Familiar with monitoring tools
  • Familiar with subsystems like CPU/Memory/IO/Network
  • Hands-On labs with examples.
  • High Memory Utilization causing performance issues.
  • High CPU Utilization causing performance issues.
  • Network Utilization (Packet loss, errors) causing performance issues.
  • High Disk IO Utilization 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
  • Viewing Hardware Resources
  • Configuring Kernel Tunables
  • Managing Resource Limits
  • Proc File System
  • Sysfs File System
  • Kernel Modules
  • lsof, tcpdump commands

Course Contents

Linux Performance Monitoring & Tuning

Introduction about Performance monitoring in Linux

  • Monitoring Processes using ps command

  • Monitoring Processes using top command

  • Monitoring memory usage

  • Monitoring File System Usage

  • GNOME System Monitor

  • Practice Lab Session

  • Overview Sysstat Package Utilities

  • Lab - Iostat command

  • Lab - mpstat command

  • Lab - pidstat command

  • Overview SAR

  • Advantages of SAR

  • Lab - SAR

  • Scheduling tasks with Systemd timer

  • Monitoring Systems using Cockpit

  • Monitoring Systems using performance co-pilot

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

Viewing Hardware Resources

  • Viewing kernel messages using dmesg command

  • Retrieving CPU Information

  • Retrieving DMI Information - dmidecode

  • Retrieving peripheral Information

  • hwloc & lshw command

Configuring Kernel Tunables

  • Proc File System

  • Kernel Tunables

  • Modifying Kernel Tunables

  • Modify Kernel Tunables Using Sysctl Command

  • Modify Kernel Tunables Persistently

  • Sysfs File System

  • About Kernel Modules

  • Practice Lab Session

  • Overview about tuning profiles

  • Managing profiles from the command line

  • Lab Session - Tuning profile

Managing Resource Limits

  • Limiting System Resources with ulimit

  • Configuring Persistent ulimit Rules

  • Practice Lab Session

  • Setting Limits for Services

  • Lab - Configure the service with a cgroup

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


Taught by

Shikhar Verma • 60k+ Students Worldwide

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4.4 rating at Udemy based on 854 ratings

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