ec2-get-console-output

From Amazon Elastic Compute Cloud: 2009-07-15

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ec2-get-console-output

Description

Retrieves console output for the specified instance.

Instance console output is buffered and posted shortly after instance boot, reboot, and termination. Amazon EC2 preserves the most recent 64 KB output which will be available for at least one hour after the most recent post.

Syntax

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

Options

Name Description Required

Name	Description	Required
`instance_id`	ID of the instance for which you want console output. Type: String Default: None Example: i-10a64379	Yes
`-r`	Raw output. Do not escape the output to facilitate reading. Type: String Default: None Example: -r	Yes

instance_id

ID of the instance for which you want console output.

Type: String

Default: None

Example: i-10a64379

Yes

-r

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

Type: String

Default: None

Example: -r

Yes

Output

The command returns a table that contains the following information:

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.

Examples

Example Request

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

ec2-run-instances

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ec2-get-console-output