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May 20, 2024AustinLeath
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More Shell Posts

codecatch.sh

Nov 14, 2021LeifMessinger

0 likes • 0 views

#!/bin/bash
#Takes all the c and h files in the current directory and prints them
#Yup, it's that easy
for file in *.h *.hpp *.c *.cpp; do
#If it exists
if [ -f "$file" ]; then
echo "//===============$file==============="
cat $file
fi
done

AWS CLI Locate ClientVPN

Sep 23, 2024AustinLeath

0 likes • 6 views

CLIENT_VPN_ID="cvpn-endpoint-xxxxxxxxxxxx"
for region in $(aws ec2 describe-regions --query "Regions[].RegionName" --output text); do
echo "Searching in region: $region"
aws ec2 describe-client-vpn-endpoints --region $region --query "ClientVpnEndpoints[?ClientVpnEndpointId=='$CLIENT_VPN_ID']" --output table
done

mitosis.sh

Apr 3, 2025LeifMessinger

0 likes • 4 views

#!/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

List all AWS EC2 Instances in all regions

Jul 29, 2024AustinLeath

0 likes • 7 views

for region in `aws ec2 describe-regions --output text | cut -f4`
do
echo -e "\nListing Instances in region:'$region'..."
aws ec2 describe-instances --query 'Reservations[*].Instances[*].{Instance:InstanceId,Subnet:SubnetId}' --region $region
done
#This script is to be used with any AWS CLI configured environment, it will list any EC2 instances and their associated subnet network ID's in JSON format

Check For File

Aug 7, 2023C S

0 likes • 2 views

# Three ways of checking if a file exists in a shell script
FILE=/etc/resolv.conf
if test -f "$FILE"; then
echo "$FILE exists."
fi
if [ -f "$FILE" ]; then
echo "$FILE exists."
fi
if [[ -f "$FILE" ]]; then
echo "$FILE exists."
fi

BackBlaze Backup Script

Dec 23, 2024AustinLeath

0 likes • 27 views

#!/bin/bash
# RCLONE BACKUP SCRIPT (using ionice)
# Type crontab -e and copy the line below without the #
# 0 0 * * * ionice -c 3 /home/owner/backup.sh >/dev/null 2>&1
nowdate=$(date -u)
# OPTIONS
WEBHOOK="YOUR_DISCORD_WEBHOOK_LINK_HERE"
LOGFILE="/root/backup.log"
FROM="/path/where/you/backup/from"
TO="backblaze:BucketName/FolderName"
SERVERNAME="Server Name"
echo "$SERVERNAME started a backup - $nowdate" | tee -a $LOGFILE
curl --data "content=$SERVERNAME started a backup - $nowdate" $WEBHOOK | tee -a $LOGFILE && echo "" >> $LOGFILE
if pidof -o %PPID -x "backup.sh"
then
echo "Failed backup attempt on $SERVERNAME - $nowdate (rclone already running)" | tee -a $LOGFILE
curl --data "content=Failed backup attempt on $SERVERNAME - $nowdate (rclone already running)" $WEBHOOK | tee -a $LOGFILE
exit 1
fi
rclone sync $FROM $TO -P --b2-hard-delete --stats 5s --progress | sed 's/Transferred:/\n\nTransferred:/' | tee -a $LOGFILE
enddate=$(date -u)
endtime=$(date +'%T')
echo "Completed backup on $SERVERNAME - $enddate" | tee -a $LOGFILE
curl -F "content=Completed backup on $SERVERNAME - $enddate" -F upload=@"$LOGFILE" $WEBHOOK | tee -a $LOGFILE
if [ -f $LOGFILE ]
then
rm $LOGFILE
fi