doc::smokeping::probes::ssh(3)
NAME
Smokeping::probes::SSH - Secure Shell Probe for SmokePing
SYNOPSIS
*** Probes *** +SSH binary = /usr/bin/ssh-keyscan # mandatory forks = 5 offset = 50% step = 300 timeout = 15 # The following variables can be overridden in each target section keytype = dsa pings = 5 port = 5000 # [...] *** Targets *** probe = SSH # if this should be the default probe # [...] + mytarget # probe = SSH # if the default probe is something else host = my.host keytype = dsa pings = 5 port = 5000
DESCRIPTION
Integrates ssh-keyscan as a probe into smokeping. The variable binary
must point to your copy of the ssh-keyscan program. If it is not
installed on your system yet, you should install openssh >= 3.8p1
The Probe asks the given host n-times for it's public key, where n is
the amount specified in the config File.
As part of the initialization, the probe asks localhost for it's public
key and tries to parse the output. Make sure you have SSH running on
the localhost as well.
VARIABLES
Supported probe-specific variables:
- binary
- The location of your ssh-keyscan binary.
- Example value: /usr/bin/ssh-keyscan
- This setting is mandatory.
- forks
- Run this many concurrent processes at maximum
- Example value: 5
- Default value: 5
- offset
- If you run many probes concurrently you may want to prevent them
from hitting your network all at the same time. Using the probespecific offset parameter you can change the point in time when
each probe will be run. Offset is specified in % of total interval, or alternatively as 'random', and the offset from the 'General'
section is used if nothing is specified here. Note that this does
NOT influence the rrds itself, it is just a matter of when data
acqusition is initiated. (This variable is only applicable if the variable 'concurrentprobes' is set in the 'General' section.) - Example value: 50%
- step
- Duration of the base interval that this probe should use, if
different from the one specified in the 'Database' section. Note
that the step in the RRD files is fixed when they are originally
generated, and if you change the step parameter afterwards, you'll have to delete the old RRD files or somehow convert them. (This
variable is only applicable if the variable 'concurrentprobes' is
set in the 'General' section.) - Example value: 300
- timeout
- How long a single 'ping' takes at maximum
- Example value: 15
- Default value: 5
- Supported target-specific variables:
- keytype
- Type of key, used in ssh-keyscan -t keytype
- Example value: dsa
- Default value: rsa
- pings
- How many pings should be sent to each target, if different from the
global value specified in the Database section. Note that the
number of pings in the RRD files is fixed when they are originally generated, and if you change this parameter afterwards, you'll have to delete the old RRD files or somehow convert them. - Example value: 5
- port
- Port to use when testing the ssh connection -p port
- Example value: 5000
- Default value: 22
AUTHORS
- Christian Recktenwald <smokeping-contact@citecs.de>