craig bender ThinGuy
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| #!/usr/bin/env python3 | |
| """ubuntu-namecheck 1.0.0 | Read-only host name resolution diagnostics for Ubuntu amd64. | |
| Requirements: Python 3.4+, glibc getent. No pip packages, dig, or root required. | |
| Examples and exit codes: ubuntu-namecheck.py --help | |
| """ | |
| import argparse | |
| import concurrent.futures | |
| import datetime | |
| import glob |
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| #!/usr/bin/env bash | |
| # | |
| # ubuntu-dns-doctor.sh | |
| # | |
| # Read-only test and troubleshooting tool for name resolution on Ubuntu amd64. | |
| # Detects which resolver stack the release (and this particular machine) is | |
| # actually using, then walks every layer an application lookup passes through: | |
| # | |
| # application -> glibc NSS (/etc/nsswitch.conf "hosts:") | |
| # -> files (/etc/hosts) | myhostname | mdns4_minimal (avahi) | resolve |
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| if $(test -f /etc/landscape/landscape-server.crt);then | |
| landscape-config \ | |
| -k /etc/landscape/landscape-server.crt \ | |
| -t $(hostname -s) \ | |
| -u https://landscape.canonical.com/message-system \ | |
| --ping-url http://landscape.canonical.com/ping \ | |
| -a standalone \ | |
| -p lds-123456789-demo \ | |
| --http-proxy="" \ | |
| --https-proxy="" \ |
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| # Set static IP configuration | |
| racadm setniccfg -s <IP_ADDRESS> <NETMASK> <GATEWAY> | |
| # Example: | |
| racadm setniccfg -s 192.168.1.100 255.255.255.0 192.168.1.1 | |
| # For DHCP instead: | |
| racadm setniccfg -d |
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| #!/usr/bin/env python3 | |
| import requests | |
| import json | |
| from requests.auth import HTTPBasicAuth | |
| import urllib3 | |
| # Disable SSL warnings if using self-signed certs | |
| urllib3.disable_warnings(urllib3.exceptions.InsecureRequestWarning) | |
| # iDRAC credentials and current IP |
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| export RACK=<MAAS_RACK_IP> | |
| export REGION=<MAAS_REGION_IP> | |
| Boot Files: | |
| ===================== | |
| curl -sSlL http://$RACK:5248/images/|awk -F'>|<' '/^<a href/{print $3,$5}' | |
| ## Test pulling static file via tftp (requires install tftp-hpa package): | |
| ### tftp -m binary $RACK -c get <filename from above> |
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| pkgcmp() { | |
| for P in $(apt-cache search -n "${@}"|awk -F' - ' '{print $1}');do | |
| [[ -z ${P} ]] && { continue; }; | |
| printf "${P}: $(apt-cache show ${P}|awk '/^Section:/&&!/^$/{if ($2 !~ /\//) print "main";else {gsub(/\/.*/,"",$2);print $2}}')\n"; | |
| done | |
| };export -f pkgcmp |
ThinGuy
/ change-install-repo.sh
Created
October 7, 2025 17:03
Change security.ubuntu.com with us.archive.ubuntu.com for geo-fenced installed.
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| #!/bin/bash | |
| # Create Directory | |
| mkdir -p ~/www | |
| # Enter directory | |
| cd ~/www | |
| # Create autoinstall.yaml | |
| cat > ~/www/user-data << 'EOF' |
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| # prereqs: dnsutils jq | |
| # sudo apt install jq dnsutils -y | |
| geoip() { | |
| dig +short ${@}| \ | |
| xargs -rn1 -P1 bash -c \ | |
| 'curl -sSlL ipinfo.io/${0}|jq -r '"'"'"\(.hostname)\n\(.ip)\n\(.city)\n\(.region)\n\(.country)"'"'"'|paste -sd,'|\ | |
| sort -t, -k5V | |
| };export -f geoip |
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| #!/bin/bash | |
| export PAPI_DIR=~/papi | |
| [[ -d ${PAPI_DIR} ]] && { find ${PAPI_DIR} -type f -delete; } || { mkdir -p $PAPI_DIR; } | |
| export OK=$(printf '\e[0;1;38;2;0;255;0m✓\e[0m') | |
| export ORA=$(printf '\e[0;1;38;2;233;84;20m▸\e[0m') | |
| export WRA=$(printf '\e[0;1;38;2;255;255;255m▸\e[0m') | |
| printf "\n\e[2G\e[0;38;2;255;255;255mCanonical \e[0;38;2;233;84;20mPAPI\e[0m: Project and Package Information\e[0m\n" | |
| LINE="$(printf '\u2500%0.0s' {1..47})" | |
| printf "\e[2G${LINE}\n" |
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