Tomasz Główka glowka
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| #!/bin/bash | |
| # file: ttfb.sh | |
| # curl command to check the time to first byte | |
| # ** usage ** | |
| # 1. ./ttfb.sh "https://google.com" | |
| # 2. seq 10 | xargs -Iz ./ttfb.sh "https://google.com" | |
| curl -o /dev/null \ | |
| -H 'Cache-Control: no-cache' \ | |
| -s \ |
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/ bash.generate.random.alphanumeric.string.sh
Last active
February 11, 2026 10:15
shell/bash generate random alphanumeric string
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| #!/bin/bash | |
| # bash generate random alphanumeric string | |
| # | |
| # bash generate random 32 character alphanumeric string (upper and lowercase) and | |
| NEW_UUID=$(cat /dev/urandom | tr -dc 'a-zA-Z0-9' | fold -w 32 | head -n 1) | |
| # bash generate random 32 character alphanumeric string (lowercase only) | |
| cat /dev/urandom | tr -dc 'a-z0-9' | fold -w 32 | head -n 1 |