Linux Performance Monitoring & Analysis – Hands On !!

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