Linux Performance Monitoring & Analysis – Hands On !! | Udemy


Linux Performance Monitoring & Analysis – Hands On !! | Udemy
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Genre: eLearning

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

Who this course is for:
Anyone can join this course module who is willing to get some knowledge and understanding on performance monitoring & tuning in Linux Administration

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