• Mar 21, 2021 •LeifMessinger
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#pinger.sh by Leif Messinger #./pinger.sh [ADDRESS] to search #./pinger.sh [ADDRESS] & to search in the background #https://serverfault.com/a/42382 ping_cancelled=false # Keep track of whether the loop was cancelled, or succeeded until ping -c1 "$1" >/dev/null 2>&1; do :; done & # The "&" backgrounds it trap "kill $!; ping_cancelled=true" SIGINT wait $! # Wait for the loop to exit, one way or another trap - SIGINT # Remove the trap, now we're done with it if [ "$ping_cancelled" == true ] #https://stackoverflow.com/a/21210966/10141528 then printf "The pinger for $1 just closed bro.\n" else printf "$1 IS UP BROOO\a\n" fi
• Oct 17, 2023 •C S
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# ---------------- FIREWALL STEPS ---------------- # Check if firewalld is installed and running sudo systemctl status firewalld # If it's not running, you can start and enable it sudo systemctl start firewalld sudo systemctl enable firewalld # Add a rule to allow traffic on port 6006. Port 6006 is the default port that storybook runs on. sudo firewall-cmd --permanent --add-port=6006/tcp # Reload the firewall for the changes to take effect sudo firewall-cmd --reload # Check the list of allowed ports sudo firewall-cmd --list-ports # ---------------- NGINX STEPS ---------------- # Install Nginx (if not already installed) sudo yum install nginx # Start and enable Nginx sudo systemctl start nginx sudo systemctl enable nginx # Copy your storybook-static directory to a location that Nginx can serve from. # The default web root directory for Nginx is /usr/share/nginx/html. sudo cp -r /path/to/storybook-static /usr/share/nginx/html/ # Adjust file permissions if needed to ensure that Nginx can read the files sudo chown -R nginx:nginx /usr/share/nginx/html/storybook-static # Put the following server block in /etc/nginx/conf.d/storybook.conf server { listen 6006; server_name your_domain.com; location / { root /usr/share/nginx/html/storybook-static; index index.html; } } # Test the Nginx configuration for syntax errors sudo nginx -t # If there are no errors, reload Nginx to apply the changes sudo systemctl reload nginx
• Apr 1, 2026 •C S
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#!/bin/bash # Get days parameter (default 7) DAYS=${1:-7} echo "" echo "📊 Commits from the last $DAYS days:" echo "" # Extract commits with format: [hash] date - author: subject git log --since="$DAYS days ago" --format="%h|%ad|%an|%s" --date=short | while IFS='|' read -r hash date author subject; do echo "[$hash] $date - $author: $subject" done
• Oct 30, 2020 •LeifMessinger
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#!/bin/bash #getDependencies.sh by Leif Messinger grep -Po '#include\s*"\K.+(?=")' | while read -r line ; do echo -n " $line" ./getDependencies.sh < $line done
• Apr 3, 2025 •LeifMessinger
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#!/usr/bin/env bash #Splits a command across a number of CELL machines user=$(whoami) if [[ -z $user ]]; then echo "whoami failed. Exiting..." exit 1 fi command="$1" if [[ -z $command ]]; then echo "Need to put in a command." exit 1 fi shift array=("$@") let start=8 let stop=18 for ((i = $start; i <= $stop; i++)); do extraZero=$(if [[ "$i" -lt 10 ]]; then echo "0"; fi) domain="CELL${extraZero}${i}-CSE.ENG.UNT.EDU" let "index = i - start" echo ${#array[@]} if [[ ${#array[@]} != 0 ]] && [[ $index -ge ${#array[@]} ]]; then echo "$index > ${#array[@]}" break fi ssh -o StrictHostKeyChecking=accept-new "${user}@${domain}" -t "$command ${array[$index]}" & done
• Mar 20, 2023 •C S
// check version node -v || node --version // list installed versions of node (via nvm) nvm ls // install specific version of node nvm install 6.9.2 // set default version of node nvm alias default 6.9.2 // switch version of node nvm use 6.9.1