Shell Tips and Tricks

To apply the fallowing patches you need to access the device throw SSH and to have root privileges

1. Start SSH server – Access the Admin web interface to enable the SSH support.
2. Connect to the device using a ssh client (Putty) and log as a normal user.
3. Change the user in root.

$ su -

<note warning>The author and the development team do not assume responsability for any harm or loss you may suffer if you execute the fallowing code. The information provided is considered experimental and if you don't know what you are doing you may crash your device for good.</note>

1. Start SSH server – Access the Admin web interface to enable the SSH support.
2. Configure Optware – Install software package repositories support
3. Add optware binaries to system path.

• edit /etc/profile to change PATH for all users except root.

export PATH=\
/bin:\
/sbin:\
/usr/bin:\
/usr/sbin:\
/usr/bin/X11:\
/usr/local/bin:\
/opt/bin

• edit /root/.bashrc to change PATH for root.

export PATH=\
/bin:\
/sbin:\
/usr/bin:\
/usr/sbin:\
/usr/bin/X11:\
/usr/local/bin:\
/opt/bin

• Update local feed list.

# ipkg update

• Search for mc package.

# ipkg list mc
mc - 4.6.1-3 - Midnight Commander File Manager
Successfully terminated.

• Download and install the package.

# ipkg list mc

• Start Midnight Commander.

# mc

• Navigate in the files system using arrow keys and ENTER.
• Move the cursor on the desired file and press F4.
• This will open internal editor.
• To save changes press F2.
• To exit press ESC.

vi is a text editor (program) that can be used to create and modify text files.

• Create a new blank file

# vi new_file

• Open existing file

# vi existing_file

• By default vi enters the command-mode.
• The command-mode is used to perform actions on the file
• The insert-text-mode is used to edit file's text contents
• To enter insert-text-mode press i.
• To exit insert-text-mode and enter command-mode press ESC.
• To exit vi and save the file, in command-mode type ZZ.
• To find the first instance of a string type /string_to_search
• To delete a single character press x
• To delete a whole line type dd

An advanced tutorial can be found at: An Extremely Quick and Simple Introduction to the Vi Text by Norm Matloff

WinSCP is an open source SFTP client and FTP client for Windows. Its main function is the secure file transfer between a local and a remote computer. Beyond this, WinSCP offers basic file manager functionality. It uses Secure Shell (SSH) and supports, in addition to Secure FTP, also legacy SCP protocol.

<blockquote>

• Graphical user interface.
• Translated into several languages.
• Integration with Windows (drag&drop, URL, shortcut icons).
• U3 support.
• All common operations with files.
• Support for SFTP and SCP protocols over SSH-1 and SSH-2 and plain old FTP protocol.
• Batch file scripting and command-line interface.
• Directory synchronization in several semi or fully automatic ways.
• Integrated text editor.
• Support for SSH password, keyboard-interactive, public key and Kerberos (GSS) authentication.
• Integrates with Pageant (PuTTY authentication agent) for full support of public key authentication with SSH.
• Windows Explorer-like and Norton Commander-like interfaces.
• Optionally stores session information.
• Optionally supports standalone operation using a configuration file in place of registry entries, suitable for operation from removable media.

<cite>Official website, Introducing WinSCP</cite> </blockquote>

• Open WinSCP program.
• Check Advanced options checkbox if not checked.
• Access Session ⇒ Stored Sessions.
• Press New button.
• Fill the connection form:

(where DEVICE_NAME may by the IP or the NAME of your MYBOOK).

• Press Save button to save connection data.

<note tip>To ensure security do not specify any USERNAME or PASSWORD. They will be asked later.</note>

• To have root privileges access Environment ⇒ SCP/Shell.
• In the Shell box replace “default” with “su -”.
• Access Preferences to change the program interface
  • Norton Commander - similar to Norton Commander, Midnight Commander, Dos Navigator
  • Explorer-like - similar to Windows File Explorer
• Press Login button to start the session
• After connection is established double click on the “locker” icon in the right part of the status bar.