mirror of
https://github.com/ChrisTitusTech/linutil.git
synced 2024-12-26 05:19:44 +00:00
250 lines
9.0 KiB
Bash
250 lines
9.0 KiB
Bash
#!/bin/sh -e
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. ../common-script.sh
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# Check if ~/.ssh/config exists, if not, create it
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if [ ! -f ~/.ssh/config ]; then
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touch ~/.ssh/config
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chmod 600 ~/.ssh/config
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fi
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# Function to show available hosts from ~/.ssh/config
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show_available_hosts() {
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printf "%b\n" "Available Systems:"
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grep -E "^Host " ~/.ssh/config | awk '{print $2}'
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printf "%b\n" "-------------------"
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}
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# Function to ask for host details
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ask_for_host_details() {
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printf "%b\n" "Enter Host Alias: "
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read -r host_alias
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printf "%b\n" "Enter Remote Host (hostname or IP): "
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read -r host
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printf "%b\n" "Enter Remote User: "
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read -r user
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printf "%b\n" "Host $host_alias" >> ~/.ssh/config
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printf "%b\n" " HostName $host" >> ~/.ssh/config
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printf "%b\n" " User $user" >> ~/.ssh/config
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printf "%b\n" " IdentityFile ~/.ssh/id_rsa" >> ~/.ssh/config
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printf "%b\n" " StrictHostKeyChecking no" >> ~/.ssh/config
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printf "%b\n" " UserKnownHostsFile=/dev/null" >> ~/.ssh/config
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printf "%b\n" "Host $host_alias added successfully."
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}
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# Function to generate SSH key if not exists
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generate_ssh_key() {
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if [ ! -f ~/.ssh/id_rsa ]; then
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printf "%b\n" "SSH key not found, generating one..."
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ssh-keygen -t rsa -b 4096 -f ~/.ssh/id_rsa -N "" -C "$(whoami)@$(hostname)"
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else
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printf "%b\n" "SSH key already exists."
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fi
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}
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# Function to share the SSH public key with the remote host
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share_ssh_key() {
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printf "%b\n" "Enter the alias of the host to copy the key to: "
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read -r host_alias
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printf "%b\n" "Copying SSH key to $host_alias..."
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ssh-copy-id "$host_alias"
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printf "%b\n" "SSH key copied to $host_alias successfully."
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}
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# Function to disable password authentication and allow only SSH keys
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#repeated twice as changes should take place when in commented state or modified state.
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disable_password_auth() {
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printf "%b\n" "Disabling SSH password authentication and enabling key-only login..."
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printf "%b\n" "Enter the alias of the host: "
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read -r host_alias
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printf "%b\n"
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ssh $host_alias "
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"$ESCALATION_TOOL" -S sed -i 's/^#PasswordAuthentication yes/PasswordAuthentication no/' /etc/ssh/sshd_config &&
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"$ESCALATION_TOOL" -S sed -i 's/^PasswordAuthentication yes/PasswordAuthentication no/' /etc/ssh/sshd_config &&
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"$ESCALATION_TOOL" -S sed -i 's/^#PubkeyAuthentication no/PubkeyAuthentication yes/' /etc/ssh/sshd_config &&
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"$ESCALATION_TOOL" -S sed -i 's/^PubkeyAuthentication no/PubkeyAuthentication yes/' /etc/ssh/sshd_config &&
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"$ESCALATION_TOOL" -S systemctl restart sshd
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"
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printf "%b\n" "PasswordAuthentication set to no and PubkeyAuthentication set to yes."
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}
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enable_password_auth() {
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printf "%b\n" "Disabling SSH password authentication and enabling key-only login..."
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printf "%b\n" "Enter the alias of the host: "
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read -r host_alias
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printf "\n"
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ssh $host_alias "
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"$ESCALATION_TOOL" -S sed -i 's/^#PasswordAuthentication no/PasswordAuthentication yes/' /etc/ssh/sshd_config &&
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"$ESCALATION_TOOL" -S sed -i 's/^PasswordAuthentication no/PasswordAuthentication yes/' /etc/ssh/sshd_config &&
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"$ESCALATION_TOOL" -S sed -i 's/^#PubkeyAuthentication yes/PubkeyAuthentication no/' /etc/ssh/sshd_config &&
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"$ESCALATION_TOOL" -S sed -i 's/^PubkeyAuthentication yes/PubkeyAuthentication no/' /etc/ssh/sshd_config &&
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"$ESCALATION_TOOL" -S systemctl restart sshd
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"
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printf "%b\n" "PasswordAuthentication set to yes and PubkeyAuthentication set to no."
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}
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# Function to check if password authentication is disabled
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check_password_auth() {
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printf "%b\n" "Enter the alias of the host: "
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read -r host_alias
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ssh $host_alias "grep '^PasswordAuthentication' /etc/ssh/sshd_config"
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}
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# Function to run a command on a remote server
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run_remote_command() {
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printf "%b\n" "Enter the alias of the host: "
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read -r host_alias
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printf "%b\n" "Enter the command to run: "
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read -r remote_command
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ssh $host_alias "$remote_command"
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}
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# Function to copy a file to a remote server
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copy_file_to_remote() {
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printf "%b\n" "Enter the local file path: "
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read -r local_file
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printf "%b\n" "Enter the alias of the host: "
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read -r host_alias
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printf "%b\n" "Enter the remote destination path: "
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read -r remote_path
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scp $local_file $host_alias:$remote_path
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}
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# Function to copy a directory to a remote server
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copy_directory_to_remote() {
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printf "%b\n" "Enter the local directory path: "
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read -r local_dir
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printf "%b\n" "Enter the alias of the host: "
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read -r host_alias
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printf "%b\n" "Enter the remote destination path: "
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read -r remote_path
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scp -r $local_dir $host_alias:$remote_path
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}
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# Function to move a file to a remote server (copy and delete local)
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move_file_to_remote() {
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printf "%b\n" "Enter the local file path: "
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read -r local_file
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printf "%b\n" "Enter the alias of the host: "
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read -r host_alias
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printf "%b\n" "Enter the remote destination path: "
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read -r remote_path
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scp $local_file $host_alias:$remote_path && rm $local_file
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}
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# Function to move a directory to a remote server (copy and delete local)
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move_directory_to_remote() {
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printf "%b\n" "Enter the local directory path: "
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read -r local_dir
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printf "%b\n" "Enter the alias of the host: "
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read -r host_alias
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printf "%b\n" "Enter the remote destination path: "
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read -r remote_path
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scp -r $local_dir $host_alias:$remote_path && rm -r $local_dir
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}
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# Function to remove a system from SSH configuration
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remove_system() {
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printf "%b\n" "Enter the alias of the host to remove: "
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read -r host_alias
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sed -i "/^Host $host_alias/,+3d" ~/.ssh/config
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printf "%b\n" "Removed $host_alias from SSH configuration."
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}
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# Function to view SSH configuration
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view_ssh_config() {
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printf "%b\n" "Enter the alias of the host to view (or press Enter to view all): "
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read -r host_alias
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if [ -z "$host_alias" ]; then
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cat ~/.ssh/config
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else
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grep -A 3 "^Host $host_alias" ~/.ssh/config
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fi
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}
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# Function to backup files from remote host
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backup_files() {
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printf "%b\n" "Enter the alias of the host: "
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read -r host_alias
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printf "%b\n" "Enter the files or directories to backup on remote host: "
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read -r remote_files
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printf "%b\n" "Enter the local backup directory path: "
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read -r local_backup_dir
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scp -r $host_alias:$remote_files $local_backup_dir
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}
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# Function to sync directories with remote host
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sync_directories() {
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printf "%b\n" "Enter the local directory path: "
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read -r local_dir
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printf "%b\n" "Enter the alias of the host: "
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read -r host_alias
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printf "%b\n" "Enter the remote directory path: "
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read -r remote_dir
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rsync -avz $local_dir $host_alias:$remote_dir
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}
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# Function to check SSH key authentication status
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check_ssh_key_authentication() {
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printf "%b\n""Enter the alias of the host: "
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read -r host_alias
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ssh $host_alias "grep '^PubkeyAuthentication' /etc/ssh/sshd_config"
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}
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# Function to show options for the user
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show_menu() {
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printf "%b\n" "Select an SSH operation:"
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printf "%b\n" "1. Add a new system"
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printf "%b\n" "2. Connect to a system"
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printf "%b\n" "3. Generate SSH key"
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printf "%b\n" "4. Share SSH key with remote host"
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printf "%b\n" "5. Disable password authentication on remote host"
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printf "%b\n" "6. Enable password authentication on remote host"
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printf "%b\n" "7. Check password authentication on remote host"
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printf "%b\n" "8. Check SSH key authentication status"
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printf "%b\n" "9. Run a command on remote host"
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printf "%b\n" "10. Copy a file to remote host"
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printf "%b\n" "11. Copy a directory to remote host"
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printf "%b\n" "12. Move a file to remote host (copy and delete local)"
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printf "%b\n" "13. Move a directory to remote host (copy and delete local)"
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printf "%b\n" "14. Remove a system from SSH configuration"
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printf "%b\n" "15. View SSH configuration"
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printf "%b\n" "16. Backup files from remote host"
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printf "%b\n" "17. Sync directories with remote host"
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printf "%b\n" "18. Exit"
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printf "%b\n" "Enter your choice: "
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}
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# Function to execute the selected SSH operation
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main() {
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while true; do
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show_menu
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read choice
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case $choice in
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1) ask_for_host_details ;;
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2) show_available_hosts && printf "%b\n" "Enter the alias of the host to connect to: " && read -r host_alias; ssh $host_alias ;;
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3) generate_ssh_key ;;
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4) share_ssh_key ;;
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5) disable_password_auth ;;
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6) enable_password_auth ;;
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7) check_password_auth ;;
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8) check_ssh_key_authentication ;;
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9) run_remote_command ;;
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10) copy_file_to_remote ;;
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11) copy_directory_to_remote ;;
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12) move_file_to_remote ;;
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13) move_directory_to_remote ;;
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14) remove_system ;;
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15) view_ssh_config ;;
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16) backup_files ;;
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17) sync_directories ;;
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18) exit ;;
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*) printf "%b\n" "Invalid choice. Please try again." ;;
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esac
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done
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}
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checkEnv
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checkEscalationTool
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main |