collects data as well and the data is stored automatically in /etc/perf/** but as far as I know there is no possibility to define any values like count or intervals - all you get is the default - and you would need to run it as well through either topasout or nmon analyzer or the smitty panel to really have useful data ...
I hope this helps,
kind regards
zxmaus
could you give me a little help on this? i can import it on windows so i can go further in my analysis?
Hi !
I would like to collect every minute the data of the "topas" to file.
Under Redhat 9, it's possible to user comand "top" in batch mode ! How is it possible under unix with TOPAS ? Because there is not the parameter " -b"...
example ----> topas > filename.out
but, it doesn't... (1 Reply)
good morning
what is the better solution to examen a P570 ?
because i use topas and nmon, and the results are totally different !!!
with nmon, i have 80% free cpu, and with nmon, i have 90% of used cpu !!!!!!
i take a shot with an intervall of 10s during 10 mn.
thank you (0 Replies)
Hi,
I'm using topas to monitor CPU and Disk activity including paging space. Previously, I can see the percentage activity of the disk under column "BUSY%", now I can no longer view it (it's all zero), unless I will run IOSTAT 2 simultaneously. What would be the cause of this?
Thanks, (2 Replies)
hi
i have server monitor script which totally depends upon the output of TOP which works fine on HP.
now i am told to put same script on aix i found that topas -P produces same output but it doesnt redirect output to file i have to kill/terminate it. is there any other way to this.
as the... (0 Replies)
Hi,
I have two files , one file with data file with attributes that need to be sent to another file to generate a predefined format.
Example:
File.txt
AP|{SSHA}VEEg42CNCghUnGhCVg==
APVG3|{SSHA}XK|"password"
AP3|{SSHA}XK|"This is test"
....
etc
---------
test.sh has... (1 Reply)
Hi,
I want to know how to redirect the output of topas -P to a file in a readable format. I tried doing it by using
topas -P > topas.txt but the output is not properly aligned and when I opened it using vi it ahd some characters.
Please help me out in this.
Thanks (1 Reply)
How do i display only one iteration of topas command. Ideally i would topas -P to show only one instance rather than keep on running. is there any swicth? (1 Reply)
How to record output of below command in a text file.
topas -P
or is there any other command which will do the same thing in AIX.
I would like to get a report something similar to below commands.
top -b
prstat -c (5 Replies)
Hi,
how to grep data from topas command...for example i have to grep owner from topas command
Thanks (2 Replies)
Discussion started by: sumanthupar
2 Replies
LEARN ABOUT CENTOS
tpm_quote_tools
TPM QUOTE TOOLS(8) TPM QUOTE TOOLS(8)NAME
TPM Quote Tools
PROGRAMS
tpm_mkuuid, tpm_mkaik, tpm_loadkey, tpm_unloadkey, tpm_getpcrhash, tpm_updatepcrhash, tpm_getquote, tpm_verifyquote
DESCRIPTION
TPM Quote Tools is a collection of programs that provide support for TPM based attestation using the TPM quote operation.
A TPM contains a set of Platform Configuration Registers (PCRs). In a well configured machine, some of these registers are set to known
values during the boot up process or at other times. For example, a PCR might contain the hash of a boot loader in memory before it is
run.
The TPM quote operation is used to authoritatively verify the contents of a TPM's Platform Configuration Registers (PCRs). During provi-
sioning, a composite hash of a selected set of PCRs is computed. The TPM quote operation produces a composite hash that can be compared
with the one computed while provisioning.
To use the TPM quote operation, keys must be generated. During provisioning, an Attestation Identity Key (AIK) is generated for each TPM,
and the public part of the key is made available to entities that validate quotes.
The TPM quote operation returns signed data and a signature. The data that is signed contains the PCRs selected for the operation, the
composite hash for the selected PCRs, and a nonce provided as input, and used to prevent replay attacks. At provisioning time, the data
that is signed is stored, not just the composite hash. The signature is discarded.
An entity that wishes to evaluate a machine generates a nonce, and sends it along with the set of PCR used to generate the composite PCR
hash at provisioning time. For this use of the TPM quote operation, the signed data is ignored, and the signature returned is used to val-
idate the state of the TPM's PCRs. Given the signature, the evaluating entity replaces the nonce in the signed data generated at provi-
sioning time, and checks to see if the signature is valid for the data. If so, this check ensures the selected PCRs contain values that
match the ones measured during provisioning.
A typical scenario for an enterprise using these tools follows. The tools expect AIKs to be referenced via one enterprise-wide Universally
Unique Identifier (UUID). The program tpm_mkuuid creates one.
For each machine being checked, an AIK is created using tpm_mkaik. The key blob produced is bound to the UUID on its machine using
tpm_loadkey. The public key associated with the AIK is sent to the entities that verify quotes. Finally, the expected PCR composite hash
is obtained using tpm_getpcrhash. When the expected PCR values change, a new hash can be generated with tpm_updatepcrhash.
The program to obtain a quote, and thus measure the current state of the PCRs is tpm_getquote. The program that verifies the quote
describes the same PCR composite hash as was measured initially is tpm_verifyquote.
SEE ALSO tpm_mkuuid(8), tpm_mkaik(8), tpm_loadkey(8), tpm_unloadkey(8), tpm_getpcrhash(8), tpm_updatepcrhash(8), tpm_getquote(8), tpm_verifyquote(8)
Oct 2010 TPM QUOTE TOOLS(8)