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

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2
votes
1answer
81 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
3k 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
83 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
128 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 ...
10
votes
6answers
9k 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 ...
2
votes
1answer
658 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
529 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
2k 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
votes
2answers
5k 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
6k 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. ...
5
votes
2answers
6k 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
votes
0answers
304 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 ...
6
votes
1answer
2k 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 ...
5
votes
2answers
3k 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
471 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, ...
6
votes
1answer
1k 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 ...
2
votes
2answers
6k 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
vote
1answer
231 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
874 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
732 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 ...
3
votes
1answer
2k 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
463 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
vote
2answers
4k 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
4k 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
436 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
169 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
262 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
411 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
774 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
422 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
2k 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
358 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
630 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
361 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 ...
9
votes
2answers
1k views

Dereferencing hard links

In the manual page of tar command, an option for following hard links is listed. -h, --dereference follow symlinks; archive and dump the files they point to --hard-dereference follow ...
0
votes
3answers
478 views

Zip file using tar on linux server

I'm trying to make a zip file out of some files but when I extract the zip I only get 1 file. tar cfvz test.zip file1.mp3 file2.mp3 file3.jpg And after I extract test.zip I only get a "test" ...
3
votes
2answers
659 views

I want to tar X directory not including its parents

tar cvf /var/lib/backup/sample.tar /home/user/.project However, when I extract, I get its parents as well /backup/ - /home/ - /user/ - .project/ This tar commands does it job ...
4
votes
3answers
2k views

Why does tar --exclude=“.*” create an empty archive?

Everything I read says that to exclude .svn and .htaccess and other hidden files when creating a tar archive, use the --exclude=".*" pattern. When I try, I get an empty archive. When I leave out the ...
1
vote
1answer
179 views

rpm and deb fileformat are blocked by my ISP. How to install software?

I have a very peculiar problem, Just be patient with what I am saying and then see what all suggestion you can give me. I have situation where my ISP has blocked .rpm and .deb files to be downloaded. ...
5
votes
2answers
3k views

If I change permissions on a tar file, will that apply to the files inside it?

I have a script that runs regularly via cron, that creates a tar.gz file for the purpose of backing up a directory. For reasons beyond my control, the only user who can execute the script via cron is ...
8
votes
1answer
4k views

How to check/test .tar.bz archives?

I've been using tar with its "--use-compress-prog=pbzip2" function to archive my files then compress them with pbzip2 to get an "*.tar.bz" archive. Afterwards I checked the resulting file with ...
2
votes
2answers
282 views

Untar directory from large tarball

How do I untar a directory that I don't know the path to? I only know the directory name. I know how to untar a single file with a wildcard: tar -xf somefile.tar.gz --wildcards --no-anchored ...
4
votes
3answers
217 views

Indexed archive format?

I need to create compressed archives of files, and be able to quickly extract individual files/directories from them. The problem is, for example, tar.bz2 seems to be not the best choice for such ...
4
votes
5answers
7k views

tar files only, no directories

I can probably write a shell script to find files only, then pass the list to tar, but I am wondering whether there already is a built-in feature in tar that allows doing just that, in a single ...
9
votes
4answers
6k views

Create tar archive of a directory, except for hidden files?

Here's a newb question. I'm wanting to create a tar archive of a specific directory (with its subdirectories of course). But when I do it, using the tar command, I get a list of files that were ...
4
votes
2answers
2k views

Why doesn't tar ask before overwriting existing files?

I lost a couple hundred lines of a Vim plugin I wrote and continue back up every so often because I extracted a tar file containing an older version. I decided not to use source control management ...
3
votes
1answer
492 views

HP-UX 9: Backup filesystem using tar

So I've got an HP-UX 9 box that I'm trying to backup, first to a tape with fbackup, to no avail, and now to a folder shared over NFS. I'm using the command "tar -cvf /nfs/Results/backup.tar /" where ...