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I am trying to install some package from these instructions:

I run this command:

tar zxf agraph-4.2-linuxamd64.64.tar.gz

and get this error:

tar: agraph-4.2-linuxamd64.tar.gz: Cannot open: No such file or directory
tar: Error is not recoverable: exiting now
tar: Child returned status 2
tar: Error exit delayed from previous errors

Any idea why this may happen and how I can make it work? Thanks!

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Based on error message you've shown, you're passing agraph-4.2.linux64.tar.gz to tar. Correct file name has another ".64" in the middle (as shown in Bryan's answer). – Paul Haldane May 5 '11 at 7:38
up vote 2 down vote accepted

It doesn't look like you've downloaded the file yet, or you're not in the directory that you downloaded the file to, or the file you're trying to open has a different name than what's specified in the instructions. Do an 'ls', do you see the file there?

I was able to download the file and untar it successfully:

bryan@velouria:~$ mkdir test
bryan@velouria:~$ cd test
bryan@velouria:~/test$ wget
--2011-05-04 17:35:02--
Connecting to||:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 84235718 (80M) [application/x-gzip]
Saving to: `agraph-4.2-linuxamd64.64.tar.gz'
100%[============================================================================================>] 84,235,718   708K/s   in 2m 2s   
bryan@velouria:~/test$ ls
bryan@velouria:~/test$ tar zxf agraph-4.2-linuxamd64.64.tar.gz 
bryan@velouria:~/test$ ls
agraph-4.2  agraph-4.2-linuxamd64.64.tar.gz
bryan@velouria:~/test$ ls agraph-4.2/      ag4-import.dxl  agload.rc          agraph-control      agraph-recover.lic    binary-license.txt  convertdb      gpl.txt         sort-upi-map
ag3-export      ag4-import.lic  agraph             agraph.dxl          agraph-recover.rc     checkdb             convertdb.dxl  install-agraph  templates
ag3-export.dxl  ag4-import.rc   agraph-backup      agraph.lic          agraph-replicate      checkdb.dxl         convertdb.lic  www
ag3-export.lic  agload          agraph-backup.dxl  agraph.rc           agraph-replicate.dxl  checkdb.lic         convertdb.rc
ag3-export.rc   agload.dxl      agraph-backup.lic  agraph-recover      agraph-replicate.lic  checkdb.rc          doc            locales
ag4-import      agload.lic      agraph-backup.rc   agraph-recover.dxl  agraph-replicate.rc   configure-agraph    files.bu
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