The tar archive format and/or the command-line utility for working with tar files.

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1answer
511 views

Ignore Symlinks when Extracting Tarball

I have a relatively simple question that I cannot seem to find the answer for. I am attempting to extract a tarball (*.tgz, to be exact) and receiving terminal errors on extracted symlinks. ...
-1
votes
1answer
48 views

What are the relative merits of the various standard Unix archival utilities? [closed]

There are many archival tools for Unix, with varying degrees of availability. To make matters more confusing, many of them can write each other's formats. I am seeking more information on their ...
4
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2answers
15k views

Compress a folder with tar?

I'm trying to compress a folder (/var/www/) to ~/www_backups/$time.tar where $time is the current date. This is what I have: cd /var/www && sudo tar -czf ~/www_backups $time" I am ...
5
votes
3answers
700 views

What does the -f parameter do in the tar command

When using tar I always include -f in the parameters but I have no idea why. I looked up the man and it said; -f, --file [HOSTNAME:]F use archive file or device F (default "-", meaning ...
3
votes
1answer
169 views

How can I copy a file between server using bsdtar?

I'm looking for the fastest way of copying a file between 2 linux servers using bsdtar. With normal tar, I would do something like: ssh root@remote 'tar -cz -C /my/path/ big_file.txt' | tar -zxv ...
5
votes
4answers
2k views

How do I use the Unix tar command with an implicit filepath?

I am using the tar -xvf command and it is taking the explicit path. However, the path is full. Example: tar -xvf 13.2.tar It is taking the path of /mnt folder. The / folder is full. How can I tar ...
9
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3answers
681 views

Universal extractors

With an increasing number of archive/compression file formats, is there a single free/open-source command line tool to rule them all? Perhaps something with a consistent / unified set of flags? (note ...
7
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1answer
710 views

Under what circumstances does gunzip & tar xf work but tar xzf fail?

To illustrate the point: I have downloaded the LEDA library from the company's website. Using tar -xzf on it fails: $ tar -xzf LEDA-6.3-free-fedora-core-8-64-g++-4.1.2-mt.tar.gz tar: This does not ...
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2answers
2k views

How to scp/tar files that are in between specific days?

I need to copy db log files between two suse servers where I am interested in files ONLY in between 10.3.2013 - 13.3.2013 It is desired to compress the files before copying so I tar them and scp. ...
2
votes
6answers
752 views

How to make tar globbing work with the 'change directory' option

I have the followin directory structure: base/ files/ archives/ scripts/ I want a script to run from scripts/, compress files that match results.*.log in files/ into a gzipped tar archive ...
3
votes
8answers
2k views

Triple compression and I only save 1% in space?

I've been trying to save space on my linux server, and I had a folder containting, in subfolders, 22GB of images. So I decided to compress them. First I used tar: tar -zcf folder.tar folder Then ...
1
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1answer
545 views

Difference between --xz and --lzma in GNU tar?

As far as I can tell, XZ is a container that uses the LZMA2 algorithm (i.e. extended LZMA); but e.g. $ xz foo/ complains about foo/ being a directory. So presumably the correct way to preserve ...
2
votes
1answer
73 views

Do tar archives include user/group name by default?

In tar's man page I stumbled upon two options: --numeric-owner: always use numbers for user/group names --owner=NAME: force NAME as owner for added files This made me wonder: When I tar ...
3
votes
2answers
1k views

Remove files from tar archive

I have a large file foo.tar.xz that contains a lot (say 200000) of files. I figured out that this archive contains some (around 5000) files I don't want. I don't have sufficient disk space to ...
2
votes
4answers
80 views

What year did the Unix “tar” program get released?

Here's an simple question: what year did the Unix "tar" (TApe ARchive) come out? I wasn't able to find the answer with Internet searches.
0
votes
2answers
111 views

Can tar archiver zerofill a file?

I have received a tar archive from a co-worker and after decompresing I found that some text files are corrupted. More precisely they are filled with zeros. They have correct size but all bytes are ...
9
votes
6answers
8k views

tar + rsync + untar. Any speed benefit over just rsync?

I often find myself sending folders with 10K - 100K of files to a remote machine (within the same network on-campus). I was just wondering if there are reasons to believe that, tar + rsync + ...
10
votes
5answers
5k views

“tar: unrecognized option --warning” during 'apt-get install'

I just ran apt-get upgrade on my debian 5 vps and I got this error: tar: unrecognized option `--warning=no-timestamp' Now when I try to install other packages e.g: imagemagick I get the same ...
1
vote
1answer
411 views

Untar Without Top-Level Directory

I have a tar (websites.tgz) that contain a bunch of Drupal websites that are tarred up starting with 'htdocs' I need to untar them into /local/htdocs/web1 /local/htdocs/web2 and so on. But I ...
5
votes
3answers
409 views

Tar piped to split piped to scp

So I'm trying to transfer a bunch of files via SCP. Some of these are too large to be stored on the recipient (Android phone, 4GB file size limit). The sender is almost out of space, so I can't ...
7
votes
3answers
1k views

Untar only a certain number of files from a large tarball

I have a large tarball that is busy being FTP'd over from a remote system to our local system. I want to know if it is possible to start untarring lets say 50 files at a time so that those files can ...
2
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2answers
4k views

How to recover a corrupted “tar.gz” file

I suddenly needed to recover an old tar.gz file, but as soon as I execute so: tar -zxvf filename.tar.gz I get this: gzip: stdin: invalid compressed data--format violated tar: Child returned ...
5
votes
3answers
3k views

How do you verify a tar archive that is already written?

I know that you can do -W when creating an archive, but how do you verify and already-created archive? tvWf says it's not a valid tar archive? $ mkdir tmp $ echo asdkfjh > tmp/a $ echo qweroiu ...
3
votes
2answers
4k views

Create a tar archive split into blocks of a maximum size

I need to backup a fairly large directory, but I am limited by the size of individual files. I'd like to essentially create a tar.(gz|bz2) archive which is split into 200MB maximum archives. ...
2
votes
2answers
4k views

How to extract specific file(s) from tar.gz

How can we extract specific files from a large tar.gz file? I found the process of extracting files from a tar in Untar only a certain number of files from a large tarball but, when i tried the ...
2
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0answers
271 views

How to fix the corruption of the tar balls?

I was making a complete server backup and tried making the tar balls of each directory structure by using the following commands: nohup tar -cvf - /etc | gzip -9 -c > /opt/Backup_4_Jan/etc.tgz ...
5
votes
1answer
1k views

Force the owner and group for the contents of a tar file?

I would like to create a tar file with contents belonging to an owner:group pair who do not exist on the system from which the file is being made. Here's the direction I've tried: tar ca ...
4
votes
2answers
2k views

tar files from another directory without copying them

This should be very simple for experts in here. I have a Linux account with user disk quota of only 6GB. There is some data-folder in /opt with about 3GB of data with when compressed comes up 1GB. ...
6
votes
1answer
364 views

tar: how can I exclude intermediate directories but include leaf directories?

I want to create a tar file suitable for extracting into /. I've created a work directory that represents the root of the file system, and it has all the stuff I want included in the tar underneath, ...
5
votes
1answer
813 views

On the Fly Compression for a Directory

I have a directory that is always going to be storing text files that are rarely (think weekly) used. Naturally this is a great place to use compression. However, rather than having to use tar ever ...
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2answers
5k views

Compress old log file into single zip-linux

I have a folder /home/testuser/log which contain log files of one day old *.log. I wish to compress all the log files older than one day to a single zip(gzip or tar.gz) and delete the older files. I ...
1
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1answer
200 views

tar -c Error Messages and Source Files?

During a tar archiving operation with tar -cvf archive.tar source does the resulting tar archive that reports a file changed as we read it error still contain "some version" of the source file that it ...
18
votes
2answers
850 views

What does .??* mean in a shell command?

The following command will tar all "dot" files and folders: tar -zcvf dotfiles.tar.gz .??* I am familiar with regular expressions, but I don't understand how to interpret .??*. I executed ls .??* ...
4
votes
1answer
543 views

Does tar -x Extract to Current Directory or Does it Extract to the Source of the Archive?

Does tar -x by default just extract to the current directory or does it try to reproduce the original directory structure including overwriting the original source? I know I can specify a folder to ...
6
votes
5answers
9k views

How can i view the contents of a tar.gz file (filenames + filesize)

I cannot use tar -tz as the solaris version I'm using does not accept the -z option. I tried something like gunzip file.tar.gz | tar -tv but that only gives: tar: /dev/rmt/0: No such file or ...
3
votes
1answer
1k views

Extrat tar “Cannot open: File name too long”

I made a tar with a directory on a remote machine with: tar -czvf I scp it to my local machine, where I wanted to untar it: tar -xzvf But I get : Cannot open: File name too long On my local ...
3
votes
3answers
372 views

Tar a file with a different name

To make my environment deployable, I occasionally tar up some handy files and scripts: tar -czvf env.tgz .vimrc .vim/ bin/lsl bin/s I would like to add .bashrc to the mix, but I have some sensitive ...
1
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2answers
3k views

tar: Unexpected EOF in archive

I am trying extract .tar.gz file it but with no luck gzip: stdin: unexpected end of file tar: Unexpected EOF in archive tar: Unexpected EOF in archive tar: Error is not recoverable: exiting now the ...
6
votes
2answers
3k views

Can I automate tar's multi-volume-feature?

Ok, so I've just had a read through this page after a way to improve my current backup solution on my Debian server. Tar seems to be offering a quite nice multi-volume feature, although when I try it ...
6
votes
3answers
376 views

How to convert tar file from gnu format to pax format

On the one hand I have a lot of tar files created with gnu format, and on the other hand I have a tool that only supports pax (aka posix) format. I am looking for an easy way to convert the existing ...
3
votes
1answer
162 views

How to create a folder which will change its contents’ ownership to what the folder has?

In a GNU/Linux OS there is no way to change ownership of a file until you are root. But what if I want to hide my system’s username e.g. before sending a file to someone, because some things like tar ...
2
votes
1answer
225 views

Issues while untaring tarball with acl

I am getting an error “Unknown file type 'A', extracted as normal file” while un-taring a set of files which has acl permissions set. I had created the tar file in Solaris with tar -cpfv ...
3
votes
1answer
352 views

tar: exclude gzip file, and don't try to gunzip it

I would like to skip a large gzip file when I extract a tar file, but everytime tar starts to gunzip it to look inside it seems. Even when I just try to peek inside tar seems to start gunzipping it, ...
4
votes
2answers
654 views

diff a gzipped tarball against a directory?

Is there a way I can diff a gzipped tarball against an existing directory? I would like to be able to do it without extracting the data from the tarball.
3
votes
1answer
393 views

“tar --exclude-backups” does not exclude files with tilde at end

If I have the following directory: $ ls -a foo . .. a #a# a~ b b.bkp c .git .hg .svn and call: $ tar zcf foo-no-bkp.tar.gz --exclude-backups foo/ The resulting archive still has backup ...
7
votes
5answers
1k views

force copying a corrupted home directory

I have a home directory in a disk that has a lot of corrupted files. I am trying to save most files as possible. I am trying to create a backup of my home directory on an external drive using tar ...
3
votes
1answer
318 views

Extract directory from wget's stdout

I am trying to wget a tarball from github.com and, without creating a temporary file, extract a subdirectory from it: wget -qO- https://github.com/django-nonrel/django-nonrel/tarball/develop | tar ...
8
votes
4answers
4k views

Rename directory inside of a tar archive

Is it possible to rename a directory inside of a tar archive? My use case is that I have an externally provided RPM spec file that assumes a tarball with a certain directory structure, and I have an ...
2
votes
1answer
548 views

Extracting / Installing a TAR file

When I extract a tar file using this command: tar xvzf gcc-4.7.1.tar.gz (This is the directory the tar file is in: cd /u/test/GCC-4.7.1/) The files were extracted but they are in /dev/... (see below ...
1
vote
1answer
329 views

Recover corrupted .tar salvaged from Android

I had an android phone that developed a fault in which it only persistently showed the boot logo. I sent it for Samsung for repair, who send it to a third-party company to be repaired. I was told that ...