Linux Performance Monitoring & Analysis – Hands On !!
Start in-demand career as a Linux Server Admin and learn from real IT professionals with live Environment Sessions.
What you’ll learn
Linux Performance Monitoring & Analysis – Hands On !!
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Familiar with monitoring tools
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Familiar with subsystems like CPU/Memory/IO/Network
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Hands-On labs with examples.
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High Memory Utilization causing performance issues.
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High CPU Utilization causing performance issues.
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Network Utilization (Packet loss, errors) causing performance issues.
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High Disk IO Utilization causing performance issues.
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Familiar with tcpdump – Network Packet Analyzer
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Familiar with lsof – List open files
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Linux Find commands with various examples
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Command to list out top processes consuming highest memory utilization
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Command to list out top processes consuming highest cpu utilization
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Viewing Hardware Resources
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Configuring Kernel Tunables
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Managing Resource Limits
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Proc File System
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Sysfs File System
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Kernel Modules
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lsof, tcpdump commands
Requirements
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PC or Laptop with internet Connection
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Red Hat Certified Engineer (RHCE) certification or equivalent experience.
Description
Course Contents
Linux Performance Monitoring & Tuning
Introduction about Performance monitoring in Linux
- Monitoring Processes using ps command
- Monitoring Processes using top command
- The monitoring memory usage
- Monitoring File System Usage
- GNOME System Monitor
- Practice Lab Session
- Overview Sysstat Package Utilities
- Lab – Iostat command
- The 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
- The 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
- Last updated 6/2021
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