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LinuxCBT Bash Shell Third Edition
LinuxCBT Bash Shell Third Edition

English | Size: 1.29 GB (1,385,941,189 Bytes)

This is the third installation in bash training.
Duration: 8 hours
Anonymize Logs
Locate target logs for processing
Identify sensitive data
Write script to anonymize sensitive data
Work with Logs and Scripts in anonymized mode
Process N Logs
Discuss limitiations of default invocation
Force N number of CLI arguments
Confirm CLI arguments
Ensure existence of supplied input file(s)
Test input logic
Storage Check
Extend script to handle new functions
Calculate available storage
Ensure storage can support generated output
Test supplied input against available storage
Debug as needed
Fixed-Length Records
Create script to check input field lengths
Use Regular Expressions to check input
Except non-standard records
Process records
Identify mismatches
Integrate fixed-length checks into main script
Test and debug where applicable
Multiple Spaces | Tab Delimiter
Retrofit script to process variable whitespace input
Use SED to parse input stream
Test variable input streams against Awk && SED
Debug as needed
Apache Timestamp Conversion
Examine default log entries
Compare with ISO standard and MySQL support
SHELL-test timestamp conversions using: Awk
Alter script to transform timestamp to numeric ISO standard
Rearrange time values to match ISO standard
Confirm conversions
Apache Log Stats
Use Apache Logs as Database
Ascertain: Total Bytes
Summarize Largest Requests
Average Bytes across Requests
Top 5 Largest Requests
Most Frequent Status Codes
Top IPs
CSV Output | MySQL Import
Retrofit anonymize script to yield CSV
Enclose all fields with double quotes
Generate output (CSV) and confirm
Import CSV data into MySQL
Test efficacy
Free Memory & Swap
Define reusable stub
Integrate with existing processes
Vary thresholds
Execute and evalute
Get Data from Instances
Write script to ascertain remote node's network details
Create stub script to parallelize calls via: parallel-ssh
Test parallelization on targets
Log data
Cron script
Extend script to yield: Memory && storage details
Confirm results
Find Files of Interest
Stub 'find' to locate files of interest
Vary input and searches
Identify Common Bottlenecks
Identify helper utilities
Parse output to expose interesting metrics
Summarize metrics
TCP States | Apache Stats
Grab TCP states from targets
Summarize output
Ascertain Apache Stats across instances
Evaluate results

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Tags: LinuxCBT

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