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Update pull-logs.sh

This commit is contained in:
colin 2024-09-28 11:58:28 -04:00
parent c98bd82999
commit d503a49ed5
2 changed files with 29 additions and 68 deletions

29
pull-logs.sh Normal file
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#!/bin/bash
# Check if correct number of arguments are passed
if [ "$#" -ne 4 ]; then
echo "Usage: $0 <start-date> <start-time> <end-date> <end-time>"
echo "Example: $0 2024-09-26 08:00:00 2024-09-26 12:00:00"
exit 1
fi
START_DATE=$1
START_TIME=$2
END_DATE=$3
END_TIME=$4
# Combine date and time into the format expected by journalctl
START="$START_DATE $START_TIME"
END="$END_DATE $END_TIME"
# Check if journalctl is available on the server
if ! command -v journalctl &> /dev/null
then
echo "journalctl could not be found. Please install it first."
exit 1
fi
# Fetch logs from the given date/time range
journalctl --since="$START" --until="$END" > /tmp/logs_${START_DATE}_${START_TIME}_to_${END_DATE}_${END_TIME}.log
echo "Logs from $START to $END have been saved to /tmp/logs_${START_DATE}_${START_TIME}_to_${END_DATE}_${END_TIME}.log"

68
swap.sh
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#!/bin/bash
# Function to create swap file
create_swapfile() {
# Detect the partition mounted on root ('/')
mount_point=$(df / | tail -1 | awk '{print $6}')
# Get available space on the root partition in MB
available_space=$(df -BM $mount_point | tail -1 | awk '{print $4}' | sed 's/M//')
# Calculate 5% of the available space in MB
swap_size=$((available_space * 5 / 100)) # 5% of available space in MB
# Convert swap size from MB to GB
swap_size=$((swap_size / 1024)) # Convert MB to GB
# Set upper limit of 30GB for the swap file
if [ $swap_size -gt 30 ]; then
swap_size=30
fi
# Abort if the calculated swap size is less than 1GB
if [ $swap_size -lt 1 ]; then
echo "Not enough disk space to create a swap file."
exit 1
fi
echo "Creating a ${swap_size}GB swap file at /swapfile..."
# Remove existing swapfile if it exists
if [ -f /swapfile ]; then
sudo swapoff /swapfile
sudo rm /swapfile
echo "Existing swapfile removed."
fi
# Create the swap file
sudo fallocate -l ${swap_size}G /swapfile
sudo chmod 600 /swapfile
sudo mkswap /swapfile
sudo swapon /swapfile
echo "Swap file of ${swap_size}GB created and activated."
}
# Function to persist the swap file across reboots
persist_swapfile() {
echo "/swapfile none swap sw 0 0" | sudo tee -a /etc/fstab
echo "Swap file added to /etc/fstab."
}
# Check if --persist flag is passed
persist=false
if [ "$1" == "--persist" ]; then
persist=true
fi
# Main script execution
create_swapfile
if [ "$persist" = true ]; then
persist_swapfile
else
echo "Swap file will not persist after reboot."
fi
# Show current swap status
sudo swapon --show