Tagged Questions

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

learn more… | top users | synonyms

1
vote
0answers
191 views

How to do incremental backup of .img files containing windows partition?

On an OVS I have a few windows machines. I want to create a full backup their .img disk files, thats done, .img.gz. Than I want to incrementally backup their C:/ partition, but thats not working. ...
4
votes
2answers
114 views

Where can I find updated TAR.rpm for Oracle VM Server?

I'm using tar for my incremental backup script on Oracle VM Server 3.2.2 and it comes with tar 1.15.1 I need this command: tar -cf drive-C.full.tar --no-check-device \ ...
1
vote
6answers
1k views

How to avoid overwriting existing files while using tar command?

The tar command just overwrote my file an hour ago while I was trying to make a tar to backup it. I ran tar zcvf foo.tex foo.bib and after that my tex source file lost. What's worse, this is the ...
1
vote
2answers
301 views

Why is my tar file bigger than its contents?

I have a tar file that I have recreated from two files - xaa, xab (the results of using the split command). The tar file is the size I expect it to be but when I extract it the folder I get is a ...
2
votes
1answer
1k 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
50 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 ...
3
votes
1answer
228 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 ...
2
votes
2answers
7k views

How to install tar file (jhead) on Mac or Linux machine

I'm new to Linux and tar balls and was wondering how to properly install them on a Mac or Linux machine. I would prefer to know how to install on a mac but I just need some help understanding them. I ...
9
votes
3answers
1k 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
votes
1answer
1k 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 ...
2
votes
2answers
4k 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. ...
1
vote
1answer
829 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 ...
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 ...
2
votes
1answer
87 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 ...
2
votes
6answers
2k 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 ...
10
votes
1answer
10k views

scp and compress at the same time, no intermediate save

What is the canonical way to: scp a file to a remote location compress the file in transit (tar or not, single file or whole folder, 7za or something else even more efficient) do the above without ...
3
votes
2answers
4k 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
88 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
140 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 ...
6
votes
1answer
11k views

How to create tar archive in a different directory?

I want to create a tar archive in a different directory rather than the current directory. I tried this command: tar czf file.tar.gz file1 -C /var/www/ but it creates the archive in the current ...
2
votes
1answer
994 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
692 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 ...
6
votes
2answers
10k 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
3answers
11k 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
361 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
4k 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 ...
12
votes
5answers
21k views

tar: Removing leading `/' from member names

root@server # tar fcz bkup.tar.gz /home/foo/ tar: Removing leading `/' from member names How can I solve this problem and keep the / on file names ?
6
votes
2answers
5k 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
592 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
2k 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 ...
3
votes
2answers
9k 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 ...
3
votes
3answers
541 views

Different count for compressed file listing vs directory listing

I was taking a backup of a folder, where I used the following command : sudo tar -zcvf www.tar.gz /var/www/ It successfully compressed, just for verifying the number of files in the compressed ...
5
votes
3answers
1k views

How do I resume a tar command which was killed

I was doing a : tar -cvf and I had to killed it with ctrl-C. I know I should have done a Ctrl-Z and then bring back the task to foreground... but it's not the story. Can I resume from the point I ...
1
vote
1answer
284 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 ...
4
votes
1answer
1k 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
565 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
6k 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 ...
3
votes
1answer
171 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
296 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
482 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 ...
3
votes
1answer
480 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, ...
6
votes
3answers
537 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
428 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 ...
7
votes
2answers
48k 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 ...
1
vote
1answer
414 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 ...
4
votes
3answers
13k views

How to copy between two remote hosts using tar piped into SSH from remote server when behind a firewall?

I'd like to transfer a directory between two servers, but compress the directory on the remote host before transfer, and then uncompress to another host. I'm sure it's possible to pipe everything all ...
2
votes
1answer
731 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 ...
18
votes
2answers
901 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 .??* ...
9
votes
2answers
2k 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 ...