11-12-2010
Quote:
Originally Posted by
phobus
[...]If I would run xclstat I would understand that there is something wrong with X server but why clstat ?[...]
If clstat detects a running X-Server it starts with the X11 GUI automatically.
To make clstat start with the ASCII GUI regardless use clstat -a.
10 More Discussions You Might Find Interesting
1. UNIX for Advanced & Expert Users
Ok i am running Linux, or rather was. I can not longer do anything. This was a dns server amoungst other things.
It will no longer boot.
I have used a startup disk, but how can i recover the OS?
I need help and urgently.
Please someone
thanks (3 Replies)
Discussion started by: ollyparkhouse
3 Replies
2. UNIX for Advanced & Expert Users
Hello,
today I logged in on a remote machine via "ssh -X ..." and started a screen session. In this i started OpenOffice.org writer by writing "oowriter". After some time the connection got lost (The network here is quite unstable). Now I logged in again via "ssh -X ...". The screen session is... (1 Reply)
Discussion started by: schola
1 Replies
3. UNIX for Advanced & Expert Users
Hi All,
We use tomcat web server and it will get terminated with below error:
connection to localhost:10.0 host broken (explicit kill or server shutdown)
Please let me know how to fix this error. (5 Replies)
Discussion started by: bache_gowda
5 Replies
4. UNIX for Advanced & Expert Users
Hello
I'm facing the above problem while doing a performance run. I've a script which I'm launching from my windows desktop using mozilla. The script will invoke backend action on a Solaris host which in turn feeds the records to a driver located on a linux box(Cent OS).
What's happening is... (1 Reply)
Discussion started by: subramanyab
1 Replies
5. Solaris
Hi everyone,
I am hoping anyone of you could help me in this weird problem we have in 1 of our Solaris 10 servers. Lately, we have been having some ftp problems in this server. Though it can ping any server within the network, it seems that it can only ftp to a select few. For most servers, the... (4 Replies)
Discussion started by: labdakos
4 Replies
6. AIX
It is a long time since I have used HACMP so I suppose I could be classed as a newbie! The cluster pair is running and I am trying to get the passive node to give me sensible information from the commmand above. However all I can get back is:
Can not get cluster information.
Check if clinfo... (4 Replies)
Discussion started by: johnf
4 Replies
7. AIX
I want to run applet on AIX 6 machine.
I already have setup $DISPLAY variable for putty session by selecting X11 option.
I got below error for any X related commands (xclock, X, applet viewer )
X connection to localhost:10.0 broken (explicit kill or server shutdown). Please can anyone... (0 Replies)
Discussion started by: kailas.girase
0 Replies
8. UNIX for Advanced & Expert Users
Hi everybody,
I am running a program on a supercomputer via my personal computer through a ssh connection. My program take more than a day to run, so when I left work with my PC I stop the connection with the supercomputer and the program stop.
I am wondering if someone know how I can manage... (2 Replies)
Discussion started by: TomTomGre
2 Replies
9. SuSE
Hi Guys,
I have two databases where I copy archivelog files from server A to server B frequently...yesterday we did the VM upgrade now...I am struggling to copy/ship the files from server A to server B...
I manually tested the file transfer but the big files, e.g 46M, stall. I can copy small... (2 Replies)
Discussion started by: Phuti
2 Replies
10. AIX
I have troubles making clstat work. All the "usual suspects" have been covered but still no luck. The topology is a two-node active/passive with only one network-interface (it is a test-setup). The application running is SAP with DB/2 as database. We do not use SmartAssists or other gadgets.
... (8 Replies)
Discussion started by: bakunin
8 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)