09-05-2010
Quote:
Originally Posted by
scottn
On many xargs man pages (although not the Solaris one!), the -i option is described as deprecated
Never noticed that in the man page. I like to be POSIX compliant, do I just replace -i with -I (GNU findutils)?
Quote:
Originally Posted by
scottn
On Solaris, there is no -v option for rm
Thanks!
10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
Hai I just want to find a file *.txt in particular direcotry and display the file name puls the content. Do someone know hot to do this, thanks.
I try :
find test/ -name '*.txt' | xargs cat
but It does'nt print out the file name, i want something below print out in my screen :
test/1.txt... (4 Replies)
Discussion started by: asal_email
4 Replies
2. Shell Programming and Scripting
I'm using Imagemagick to create thumbnails for a large directory tree. The only thing I can't see is how to get it to write the thumbnails to a "thumbs" subdirectory!
Either of these two commands from the Imagemagick site does most of the job:
find -name '*.jpg' | xargs -n1 sh -c 'convert $0... (5 Replies)
Discussion started by: quixote
5 Replies
3. Shell Programming and Scripting
Hi,
I am having trouble getting a combination of commands to work.
I need to traverse through all sub-directories of a certain directory and 'cat' the contents of a particular file in the sub-directories.
The commands on their own work but when I combine them I get no output.
The... (4 Replies)
Discussion started by: DownunderDave
4 Replies
4. UNIX for Dummies Questions & Answers
I am trying to delete files older than 60 days from a folder:
find /myfolder/*.dat -mtime +60 -exec rm {} \;
ERROR - argument list too long: find
I can't just give the folder name, as there are some files that I don't want to delete. So i need to give with the pattern (*.dat). I can... (3 Replies)
Discussion started by: risshanth
3 Replies
5. Shell Programming and Scripting
I believe what is happening is rm is executing in the script on every directory and on failure of the first it stops although returns status 0.
find $HOME -name /directory/filename | xargs -l rm
This is the code I use but file remains. I am using sun solaris system which has way limited... (4 Replies)
Discussion started by: Ebodee
4 Replies
6. Shell Programming and Scripting
Guys i want to run a command to list all directories that havn't been modified in over 548 days ( 1.5 yrs ).
Id like to run a script to first print what the command finds ( so i get a list of the files pre move ... i have a script set for this :
find /Path/Of\ Target/Directory/ -type d -mtime... (4 Replies)
Discussion started by: modulartention
4 Replies
7. UNIX for Dummies Questions & Answers
How can I recursively find all files in a directory and print out the file and first line number of any text blocks that match the below cases?
This would seem to involve find, xargs, *grep, regex, etc.
In summary, I want to find so-called empty "try-catch blocks" that do not contain code... (0 Replies)
Discussion started by: lifechamp
0 Replies
8. Shell Programming and Scripting
Hi All,
i'm trying to create a tar of all the .txt files i find in my dir . I've used xargs to acheive this but i wanted to do this with exec and looks like it only archives the last file it finds . can some one advice what's wrong here :
find . -type f -name "*.txt" -print0 | xargs -0... (9 Replies)
Discussion started by: Irishboy24
9 Replies
9. Shell Programming and Scripting
Hi,
I want to find some files and then search for some lines in it with a particular pattern and then write those lines into a file. To do this I am using something like this from command prompt directly.
cd /mdat/BVG
find -name "stmt.*cl" -newer temp.txt | xargs -i awk '/BVG-/{print}' {} >... (7 Replies)
Discussion started by: Sandhya Harsh
7 Replies
10. Shell Programming and Scripting
hello,
bash 4.2+
osx 10.11.6
i looking for a nice compact one-liner and need a little help using find and xargs
i'm writing a script to recursively search through directories looking for git and hg repos and update them.
this bit of code searches and finds them git repos.
find `pwd`... (2 Replies)
Discussion started by: f77hack
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)