Initial commit

Backup/automaticBackup.sh

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+# =============================================================================
+# automaticBackup.sh
+# 
+# Automatic, configurable, optional-SFTP backup script.
+# 
+# Copyright (c) 2025 VELENDEU, eetnaviation
+# 
+# https://velend.eu/
+# https://git.velend.eu/eetnaviation/shscripts
+# 
+# All rights reserved unless otherwise stated.
+# 
+# Permission is hereby denied to copy, modify, distribute, sublicense,
+# or sell copies of this software without explicit prior written consent.
+# 
+# All dependency trademarks and names if included are subject to copyright
+# of their respective owners.
+# 
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+# THE SOFTWARE.
+# =============================================================================
+
+#!/bin/bash
+
+##################### BEGIN USER CONFIGURABLE PART #####################
+
+BACKUP_PATHS="" # Choose directories you want to backup separated by spaces. Example: Backup /home and /var/www would be "/home /var/www"
+BACKUP_DESTINATION="/backup" # Default /backup, changes the backup destination. This is where your local backups are stored.
+
+ENABLE_SFTP_BACKUP="false" # Default false, enables/disables SFTP backup sync.
+DELETE_LOCAL_BACKUP_UPON_SUCCESSFUL_SFTP_UPLOAD="true" # Default true, enables/disables deleting local backup after successful upload to sftp server.
+SFTP_USER="" # Enter your SFTP user here.
+SFTP_HOST="" # Enter your SFTP server IP or domain name here.
+SFTP_PASSWORD="" # Enter your SFTP user password here.
+SFTP_REMOTE_DIRECTORY="" # Enter your SFTP remote directory here.
+
+###################### END USER CONFIGURABLE PART ######################
+
+DATE=$(date +%Y-%m-%d)
+HOSTNAME=$(HOSTNAME -s)
+ARCHIVE_FILE_NAME="$HOSTNAME-$DATE.tgz"
+LOCAL_FILE="$BACKUP_DESTINATION/$ARCHIVE_FILE_NAME"
+
+# Local backup part.
+echo "Starting local backup..."
+mkdir -p "$BACKUP_DESTINATION"
+tar czf "$BACKUP_DESTINATION/$ARCHIVE_FILE_NAME" $BACKUP_PATHS
+echo "Finished local backup!"
+ls -aril "$BACKUP_DESTINATION"
+
+# If enabled sync backup to SFTP server.
+if [ "$ENABLE_SFTP_BACKUP" = "true" ]; then
+    lftp -u "$SFTP_USER,$SFTP_PASSWORD" sftp://$SFTP_HOST <<EOF
+put "$LOCAL_FILE" -o "$SFTP_REMOTE_DIRECTORY/$(basename $LOCAL_FILE)"
+quit
+EOF
+fi
+
+# Tell user SFTP sync is finished
+echo "Uploaded backup to destination SFTP server."
+
+# Delete local file to save space, this can be enabled or disabled with DELETE_LOCAL_BACKUP_UPON_SUCCESSFUL_SFTP_UPLOAD.
+if [ "$DELETE_LOCAL_BACKUP_UPON_SUCCESSFUL_SFTP_UPLOAD" = "true" ]; then
+    rm -f "$BACKUP_DESTINATION/$ARCHIVE_FILE_NAME"
+    echo "Deleted local copy of backup successfully."
+fi

Git/addGitSSHKey.sh

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+# =============================================================================
+# addGitSSHKey.sh
+# 
+# Easily setup your GIT SSH key.
+# 
+# Copyright (c) 2025 VELENDEU, eetnaviation
+# 
+# https://velend.eu/
+# https://git.velend.eu/eetnaviation/shscripts
+# 
+# All rights reserved unless otherwise stated.
+# 
+# Permission is hereby denied to copy, modify, distribute, sublicense,
+# or sell copies of this software without explicit prior written consent.
+# 
+# All dependency trademarks and names if included are subject to copyright
+# of their respective owners.
+# 
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+# THE SOFTWARE.
+# =============================================================================
+
+#!/bin/bash
+
+GIT_SSH_KEY="" # Put your git ssh key file path here, for example /home/user/git-ssh-key
+
+eval $(ssh-agent -s)
+ssh-add $GIT_SSH_KEY

IpTables/autoIpTables.sh

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+# =============================================================================
+# autoIpTables.sh
+# 
+# Setup multiple IpTables incoming and outgoing port mappings for easy setup.
+# 
+# Copyright (c) 2025 VELENDEU, eetnaviation
+# 
+# https://velend.eu/
+# https://git.velend.eu/eetnaviation/shscripts
+# 
+# All rights reserved unless otherwise stated.
+# 
+# Permission is hereby denied to copy, modify, distribute, sublicense,
+# or sell copies of this software without explicit prior written consent.
+# 
+# All dependency trademarks and names if included are subject to copyright
+# of their respective owners.
+# 
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+# THE SOFTWARE.
+# =============================================================================
+
+#!/bin/bash
+
+declare -A PORT_MAPS=( # Write your ports in here, example [80]=1234 would direct outside port 80 to inside port 1234
+  [80]=1234
+)
+
+# Apply iptables rule for each mapping
+for outsidePort in "${!PORT_MAPS[@]}"; do
+  insidePort="${PORT_MAPS[$outsidePort]}"
+  iptables -t nat -A PREROUTING -p tcp --dport "$outsidePort" -j REDIRECT --to-port "$insidePort"
+done
+
+# Display all mappings
+iptables -t nat -L -v -n

IpTables/easyIpTables.sh

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+# =============================================================================
+# easyIpTables.sh
+# 
+# Allows you to easily set IpTables mappings for incoming and outgoing ports.
+# 
+# Copyright (c) 2025 VELENDEU, eetnaviation
+# 
+# https://velend.eu/
+# https://git.velend.eu/eetnaviation/shscripts
+# 
+# All rights reserved unless otherwise stated.
+# 
+# Permission is hereby denied to copy, modify, distribute, sublicense,
+# or sell copies of this software without explicit prior written consent.
+# 
+# All dependency trademarks and names if included are subject to copyright
+# of their respective owners.
+# 
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+# THE SOFTWARE.
+# =============================================================================
+
+#!/bin/bash
+
+while true; do
+  echo "easyIpTables.sh // (c) Copyright 2025 VELENDEU , eetnaviation // See source for more info."
+  echo "Press CTRL+C (^C) to quit."
+  read -p "Enter outside port: " outsidePort
+  read -p "Enter inside port: " insidePort
+
+  if [[ "$outsidePort" =~ ^[0-9]+$ && "$insidePort" =~ ^[0-9]+$ ]]; then
+    iptables -t nat -A PREROUTING -p tcp --dport "$outsidePort" -j REDIRECT --to-port "$insidePort"
+    echo "Redirected TCP $outsidePort -> $insidePort, Here are your current IpTables mappings:"
+    # Display all mappings
+    iptables -t nat -L -v -n
+  else
+    echo "Invalid input, must be numeric ports."
+  fi
+done

README.md

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+# shscripts
+A useful collection of my bash/sh scripts.
+
+## Script collection breakdown
+Here is a breakdown of the collection.
+### Backup scripts
+Scripts to simplify backup procedures.
+[automaticBackup.sh](https://git.velend.eu/eetnaviation/shscripts/src/branch/main/Backup/automaticBackup.sh) - Automatic, configurable, optional-SFTP backup script.
+### IpTables scripts
+Scripts to configure different IpTables aspects.
+[easyIpTables.sh](https://git.velend.eu/eetnaviation/shscripts/src/branch/main/IpTables/easyIpTables.sh) - Allows you to easily set IpTables mappings for incoming and outgoing ports.
+[autoIpTables.sh](https://git.velend.eu/eetnaviation/shscripts/src/branch/main/IpTables/autoIpTables.sh) - Setup multiple IpTables incoming and outgoing port mappings for easy setup.
+### Git scripts
+Scripts to automate or simplify procedures with GIT.
+[addGitSSHKey.sh](https://git.velend.eu/eetnaviation/shscripts/src/branch/main/Git/addGitSSHKey.sh) - Simple script to add your GIT ssh key on startup or when executed.