Version 6.6 233 October 2014
Installation & Operation Manual 27. Working with the SC Boards
OS Installation
Mechanism
Installation Summary Installation Requirements
OS installation from the
USB CD/DVD drive via
the RS-232 console
The OS is installed from a bootable
"Linux OS for SC boards" CD-ROM to
be inserted into the USB CD/DVD
drive.
The installation is performed via the
RS-232 serial console,
USB CD-ROM drive (to be
provided by the customer) is
required.
An RS-232 serial connection to
the SC board is required.
27.7.3 Re-installing the Linux OS via the Remote Network
Connection
When the SC board that needs to be re-installed is able to boot the currently installed
version of the Linux OS (even if it’s partially broken or compromised), use the
following method to perform Linux OS re-installation via the remote network
connection (via SSH).
The Linux OS will be re-installed from a local copy of the OS installation image that
was created during the initial OS installation on the SC board and is stored on a
hidden partition. The re-installation may be performed via the remote network
connection to the CLI interface (via the SSH) and does not require connection to the
SC board’s RS-232 serial console.
To re-install Linux OS via the Remote Network Connection:
1. Connect to the SC board via the SSH (see 'Command Line Interface' on page
107).
2. Login as root user (see 'Logging in as a Root User' on page 115).
3. At the prompt, type reinstall-linux and press Enter.
[root@sc2-linux ~]# reinstall-linux
Re-install Linux OS from the recovery partition
This utility allows you to re-install Linux OS from a hidden recovery
partition on the SC board. All data on the disk will be lost (including
Media Gateway software and its configuration).
Make sure that you have Media Gateway software installation package and
configuration backup prior to proceeding with the re-installation.
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