ec2-get-console-output

Syntax

ec2-get-console-output instance_id [-r]

Description

Retrieves the console output that was displayed during startup for specified instance, if available, and displays it to stdout.

In addition to standard startup information, this includes the SSH host key fingerprints which you can use to verify the host to which you are connecting.

Options

Option Description Required

Option	Description	Required
`instance_id`	Instance identifier generated when the instance launched. Example: `i-10a64379`	Yes
`-r`	Raw output. Do not escape the output to facilitate reading.	No

instance_id

Instance identifier generated when the instance launched.

Example: i-10a64379

Yes

-r

Raw output. Do not escape the output to facilitate reading.

No

Output

A timestamp indicating the time of the last update.
The instance console output. By default the ^ESC character is escaped and duplicate new-lines are removed to facilitate reading.

Amazon EC2 displays errors on stderr.

Example

This example retrieves the console output for the i-10a64379 Linux and UNIX instance.

PROMPT> ec2-get-console-output  i-10a64379
2007-01-03 12:00:00
Linux version 2.6.16-xenU (builder@patchbat.amazonsa) (gcc version 4.0.1 20050727 (Red Hat 4.0.1-5)) #1 SMP Thu Oct 26 08:41:26 SAST 2006
BIOS-provided physical RAM map:
Xen: 0000000000000000 - 000000006a400000 (usable)
980MB HIGHMEM available.
727MB LOWMEM available.
NX (Execute Disable) protection: active
IRQ lockup detection disabled
Built 1 zonelists
Kernel command line: root=/dev/sda1 ro 4
Enabling fast FPU save and restore... done.
...
ec2: -----BEGIN SSH HOST KEY FINGERPRINTS-----
ec2: 2048 bc:89:29:c6:45:4b:b3:e2:c1:41:81:22:cb:3c:77:54 /etc/ssh/ssh_host_key.pub
ec2: 2048 fc:8d:0c:eb:0e:a6:4a:6a:61:50:00:c4:d2:51:78:66 /etc/ssh/ssh_host_rsa_key.pub
ec2: 1024 b5:cd:88:6a:18:7f:83:9d:1f:3b:80:03:10:17:7b:f5 /etc/ssh/ssh_host_dsa_key.pub
ec2: -----END SSH HOST KEY FINGERPRINTS-----

Fedora release 8 (Werewolf)
Kernel 2.6.21.7-2.fc8xen on an i686

This example retrieves the console output for the i-5e73d539 Windows instance.

PROMPT> ec2-get-console-output i-5e73d539
i-5e73d539
2008-09-14T18:27:06+0000
9/12/2008 8:14:09 PM: Message: Instance setup is causing a reboot. Please be patient.
<Password>
IeA9IBO4KvrhkITeubpXsQhc5hFaXrzc4Ed1tvMOKVq2T4jZzFKPigbV5XAR3i8M0Hcrjr2Y2rhZLDkq2YVYSvDHRGp9M7f1tHzmrw0p51MKdjnyujGcb+8Io8Mvm4AcH1M9SnVuIlfDK4tYmWvJxJAgq+fz2Nc1vDtu2s3xCRZ+ZgW5XkDPfRE4ro+lRgQpYGXsfLDIrNctkYJIjg0aGt/2tsatdoIdQlL8C5VtAJvmoTgC41uIvk5q0Ab6PMO+JKZBFJRt14lIQIvb/7psMd33pkZriBNfoobvap7e4dVmY3yhFgaos/km28hbfx7aXU5RUCWds2SaL/tEY9v51w==
</Password>
9/12/2008 8:15:40 PM: Message: Windows is Ready to use