I need to tar some files in a directory to a remote server.
I need to exclude some file from this directory and then tar it over.
This is the command suggested by one article (tarring in the same server) :
Code:
tar -zcvf /tmp/mybackup.tar.gz -X exclude.txt /home/me
However it does not work as, it throws error that -z is not a valid option.
Is this the correct way to do it to change it to a .gz format :
Code:
tar -cvf -X exclude.txt - /bscsbin/lisa/product/UMOBILE/prod/bscs/scripts | gzip > dir.tar.gz
The files that I don't need is listed in "exclude.txt".
How do i do the same to send it over to a remote server?
Also, this command was suggested in an article to include files that I need in a tar format :
Code:
% find project -type f -print | \
egrep '(\.[ch]|[Mm]akefile)$' > Include
However, when I try this command (to customise according to my need) in my server, there is not output :
Code:
# find . -type f -print | egrep '(\.[jar]|\.[bash])$'
I want to list files with *.jar and *.bash extensions here.
. . .
Is this the correct way to do it to change it to a .gz format :
Code:
tar -cvf -X exclude.txt - /bscsbin/lisa/product/UMOBILE/prod/bscs/scripts | gzip > dir.tar.gz
The files that I don't need is listed in "exclude.txt".
Piping into a compressing / zipping command is the / a correct approach if the z is not available. Be aware that the f option needs an archive file - drop it or specify one. For piping it needs to write to stdout.
Quote:
How do i do the same to send it over to a remote server?
The f option allows to specify an archive on a remote node - see man tar. But - you can't use that if you want to compress via a piped gzip or similar. Use e.g. scp, then.
Quote:
. . .
However, when I try this command (to customise according to my need) in my server, there is not output :
Code:
# find . -type f -print | egrep '(\.[jar]|\.[bash])$'
I want to list files with *.jar and *.bash extensions here.
Your egrep regex matches files with an .j, .a, .r, .b, .s, or .h ending. Read about "bracket expression"s in your man regex:
Quote:
A bracket expression is a list of characters enclosed in "[]".
When I'm doing this I tend just to do the whole thing in a single line - something like.
#> tar cf - | ssh me@server ( cd /destination ; tar xf - )
Obviously you would adjust the create command to exclude the files that you want to exclude as per your example. If the files are very large you may like to pipe through gzip or whatever compression utility, but with the speed of modern networks I seldom see the need now.
Regards
Gull04
These 2 Users Gave Thanks to gull04 For This Post:
Two generic (non- HP-UX- specific) comments:
- why the -exec ls -l action for find? You want file names, not a "long listing". Try dropping entirely.
- Does emoaigin have write access to /root - would be somewhat unusual.
I need to tar some files in a directory to a remote server.
Is this the correct way to do it to change it to a .gz format :
Code:
tar -cvf -X exclude.txt - /bscsbin/lisa/product/UMOBILE/prod/bscs/scripts | gzip > dir.tar.gz
No. Actually it is lke this (i will do this step by step so that you can understand what is done):
Code:
| gzip > dir.tar.gz
This means that gzip is getting data from stdin, packing them and sending the result to stdout, which is pointed to the file dir.tar.gz.
So far, so good, but now you need to to make tar putting its output to (its) stdout, because this is what a pipe does: connecting one process' stdout to the next process' stdin. Therefore you need to tell tar to not create a tar-file, but to direct the output to stdout:
Code:
tar <other subcommands> f - |
Notice, btw., that tar is not driven by options but subcommands. Therefore the introducing "-" is wrong. Everything else is still as in the e working example you found, with the exception of the non-standard "z" command (that works only for tar, which have a "built-in" gzip):
Code:
tar cvf - -X exclude.txt /home/me | gzip > /output/file
Quote:
Originally Posted by anaigini45
How do i do the same to send it over to a remote server?
The same way you alread tried: instead of writing the file to disk (> /output/file), you can use another pipeline to move it to another server and eventually unpack it there:
Notice that this instance is one of the select few moments where a seemingly UUOC is justified. At i am not aware of any other way of making gzip look at its stdin for incoming data.
The error gzip not found can be resolved by putting the full path to gzip.
However, the error "tar: cannot open /home/emoaigin/abc.sh" why does it happen?
And what is this error : "Tar: blocksize = 0; broken pipe?" ?
I have a script, which connecting to remote server and first checks, if the files are there by timestamp. If not I want the script exit without error. Below is a code
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02-28-2018
