An archive file format (and the program that reads it) commonly used on Unix and Linux.

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167 views

Why does tar with -z option create archive with different hash everytime

Can you tell me why tar czf archive.tar dir creates archive with different hash everytime (I check with 'md5sum') Without compression parameter -z or with parameter -j instead all works fine. ...
3
votes
1answer
258 views

tar file extraction, why file size reduced

We commonly know that compression is the reduction in size of data in order to save space or transmission time, I should expect bigger size when I extract compressed file. I have downloaded a file in ...
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2answers
7k views

How can I compress a large file into smaller parts?

I'm looking for a way to compress a large file (~10GB) into several files that wont exceed 150MB each. Any thoughts?
3
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3answers
296 views

tar: million of files

I have to pack circa 7,000,000 small files. I'm looking for an efficient way to do this. Is tar the best way? What about benchmark tests or any other suggestion?
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3answers
555 views

Display deflation percentage of tar command (like zip command)

This question may sound weird but I would like to know if there is a possibility to display the deflation percentage of the files processed in the tar command. I use this command tar -cjvf ...
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3answers
825 views

linux tar -T - does not work on the fly

I found some problem with linux gnu tar. wheh I use option -T - (for file list from stdin) or -T named_pipe_file , this desn't work on the fly. for example, simple interactive script: while ...
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6answers
3k views

How to extract tar.gz on windows xp

Can anyone suggest me ways to extract tar.gz file on windows xp ? Is there any built-in tool ? Or may be a script that can be written ? PS: Please note I can't install new software on my computer (do ...
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1answer
740 views

List full timestamps of files in a tarball

I have a large tar archive and want to see the exact (nanosecond) timestamps that are stored for each file in the archive. In case it's relevant, the tarball is in POSIX-2001 format (tar ...
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4answers
1k views

Browsable compressed filesystem archive with full attributes?

Maybe a variation of the whole question would be: Are there any other archiving tools than tar that preserve Linux file permissions and user/group flags? I want to create archives of a directory tree ...
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1answer
696 views

Importing to mysql from a .gz via shell - how to do it without extracting to a file? [duplicate]

Possible Duplicate: Pipe gunzip and mysql to gunzip a dump and import it i have a .gz file of an sql dump. at the moment i extract it to its own file (ie dump.sql.gz extracted to dump.sql) ...
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2answers
435 views

Tar archive won't unpack – “Path contains '..'”

The name of the file 2014-12-12 04-00-01.tar. I executed the command: tar xvf 2014-12-12\ 04-00-01.tar The output is many lines of the form: x ../server/: Path contains '..' And then a few of ...
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2answers
2k views

Find out the size of a .tar.gz archive in the terminal without unpacking

I have a 32GB .tar.gz archive and I'd like to know the size of the files if I unpack this compressed archive. I'd like to avoid unpacking the archive first and than use e.g. du. Is it also possible ...
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1answer
3k views

Tar backup with progress bar

I would like to add a progress bar to my tar backup command. I found out that the bar shell script should be able to do this, but I am unable to figure out the correct command. sudo tar pzcf - ...
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1answer
2k views

How can I extract only some specific folders from a tar.gz archive?

Let's say I have the archive website.tar.gz, inside is the following folder structure : home -mike -www -coolwebsite file1 file2 file3 etc. When I ...
3
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1answer
177 views

gunzip -c equivalent for tar.gz files?

What is the equivalent of gunzip -c to pipe the content of a bunch of tar.gz files without having to permanently "tar xzf" them and "tar czf" them back? Something like: tar xzf "-c" *.tar.gz | xargs ...
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3answers
699 views

Control gzip compression rates while archiving files with tar?

I have a script which periodically backs up a directory using the command "tar -czvf [name] [directory]" but my problem is that the script has recently been putting a lot of stress on the server ...
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2answers
2k views

Installing Subversion on Unix machine

I'm new to unix and trying to create a guide for users to install subversion. I've found a tutorial about how to build from a tarball. I'm ready to try it out, but I don't know how to download the ...
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1answer
579 views

merge all tar files on mac

I have a bunch of tar files such as a.tar b.tar. I use the following command to merge two tar files : tar --concatenate --file=a.tar b.tar However, --concatenate is not support on mac terminal ...
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1answer
249 views

Cygwin creating multiple links to files inside tar?

I'm trying to create a .tar file in Cygwin: find . > tmpfilelist tar -cf tmp.tar -T tmpfilelist but when I open tmp.tar in Windows with 7-Zip there are four instances of each file: Name ...
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2answers
88 views

Use all CPUs when creating archives on Linux

Today I wanted to create a backup from a folder on a server with 16 CPUs. I started looking for an option that can utilize my hardware to archive a folder better than how tar does it. Something with ...
3
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1answer
498 views

Why /home folder is missing from my backup archive created by tar?

So I'm doing full backup of my VPS using the following command (as root, of course): tar czvf 20120604.tar.gz / Everything seems to be fine, all files seem to appear in the list. The size of ...
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1answer
10k views

Why is “tar” trying to create an empty archive?

I'm trying to use tar to tar files before transfer, so I can keep the entire file path rather than losing it along the way. However, when I try to tar an empty folder, it tells me that it is cowardly ...
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5answers
347 views

Migrate 80 GB worth of files from one NTFS drive to another with metadata and error correction

I want to copy all my files from my NTFS Windows XP drive to a folder on my new NTFS Windows 7 drive, including Program Files, etc. just in case I need them. I have an external drive I can use as an ...
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0answers
47 views

Compressed file with a header containing all files within it, at the beginning of the file

I have noticed that most files resulting from a compression / archive process do not have a list of the files contained at the beginning of the resulting file, but rather at the end of it. For ...
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0answers
164 views

What is the etymology behind “-j” indicating bzip2 for tar? [closed]

What is the etymology behind "-j" indicating bzip2 for tar?
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1answer
1k views

Estimating compressed file size using a list parameter

I am currently compressing a list of files from a directory in the following format: tar -cvjf test_1.tar.gz -T test_1.lst --no-recursion The above command will compress only those files ...
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2answers
8k views

Use tar and gz to create archive in Ubuntu Terminal

I want to archive 3 folders, given their names in Ubuntu command prompt. When I use tar -c abc tt zz -> it will do nothing.
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2answers
670 views

One-liner Linux for scp'ing thousands of files as a tar

I have a folder with tens of thousands of files that I need to scp to another box. As doing one file at a time is very timeconsuming, and as I don't have harddrive space to make a compressed tar ...
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5answers
10k views

How can I run the “tar -czf” command in Windows?

I am currently running a computer which has access to only Windows. I have to submit a folder after running tar -czf on it. How can I do this in Windows, do I have any options?
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1answer
4k views

tar: extract myfile.tar.gz archive to a directory named myfile

Can it be done with tar? Do I have to write a bash script?
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3answers
18k views

Install VLC 2.0.7 in CentOS 6.4?

I am keep failing in the installation process I have tried. I have started process as follows. yum install gcc dbus-glib-devel* lua-devel* libcddb wget ...
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votes
1answer
2k views

.tgz not extracting properly

I've just received some files file(s).tgz... I've tried tar -xvzf file.tgz... However I'm getting error "Attempt to write to an empty file"... Am I missing something... The folder directory system has ...
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1answer
4k views

Avoid errors from tar failing to restore directory permissions

I observe the following behavior with both tar 1.26 and 1.27.1: $ mkdir a b a/diffowner $ sudo mkdir b/diffowner $ sudo chmod a+w b/diffowner $ echo foo > a/diffowner/foo $ tar -C a -cvf test.tar ...
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1answer
198 views

UNIX shell command to expand files of any compressed type

Is there any UNIX shell command to expand a compressed file which type is not known in advance? I should be able to use this command to expand at least any of the following types of files, though the ...
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1answer
1k views

how to split tar in two files

I'm trying to upload my tar'ed site to server but I have upload limit. My ftp program extracts tar after uploading it. How do I split this one tar into two so I could upload one tar and let it extract ...
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2answers
108 views

Chromium: prevent unpacking tar.gz

The latest Chrome and Chromium seems to unpack .tar.gz files automatically for me on OS X and Linux. When using wget with the same URL, it shows: $ wget http://mydomain/dir/file.tar.gz ... HTTP ...
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2answers
78 views

What is the correct MIME type for a tar.gz file?

What is the correct MIME type for a tar.gz file? I've searched around and found several values being used, including: application/x-gzip application/x-gtar application/x-tgz But I could find no ...
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2answers
7k views

Extracting a *.tar.bz2 file?

I always used to use this command to extract files from a bzip2 tar ball: tar xjvf file.tar.bz2 But right now on Ubuntu 14.04, I get this error: tar: Conflicting compression options Try 'tar ...
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1answer
163 views

wget download from mirror download links

I'm trying to download using wget a tar.gz. The file is redirected based on the url parameters, so all downloads are redirected automatically. for example: wget ...
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2answers
9k views

What command to use to unpack a .tar.gz file in Windows?

I use to receive tar.gz files fromm colleagues but unpacking them with 7zip is not convenient as it unpacks a tar file from gz first while I usually seek to get the tar file contents (so I have to ...
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2answers
873 views

Bash: Concatenating TAR balls

Is it valid to do this: { tar -c dir1 tar -c dir2 } | cat > file.tar Is the resulting file.tar a valid tar ball? If not, how can I concatenate tar balls on the fly?
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2answers
199 views

Modern command line file compression utilities

I am frequently moving large files around from server to server. UNIXes comes with standard gzip and bzip2 compressors. However, what open options there exist beyond these, especially ones utilizing ...
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2answers
10k views

Untar a given linux tarball on MAC OS X

I have a Linux tarball that can't be unpacked. It gives me an unexpected error. I am told this is due to case insensitive on MAC OS X. How can I untar this file? tar -zxvf file.tar.gz ... x ...
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1answer
87 views

Which is better: using flags, or pipes?

As with many things in the *nix world, there is more than one way to generate .tar.gz files. Typically, I use the following: tar zcf /path/to/dir.tar.gz /path/to/dir However, I have seen the ...
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1answer
1k views

tar - exclude certain files

I wish to tar all files in a directory and its subdirectories that do NOT end in .jpg, .bmp, .gif, or png. So, given the following folders and files: foo/file.txt foo/file.gif foo/bar/file ...
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3answers
527 views

Want to zip up folder with 20K images to upload, how to breakup zips and then unzip?

I have a folder with about 1 gig worth of images I have to upload to a server. I want to zip/tar them up, preferably into multiple files that I can upload to my ubuntu server. Then I want to ...
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1answer
5k views

Extracting a tar.gz file returns, “This does not look like a tar archive.”

I have a tar.gz file and I want to extract it using terminal. I used following commands: tar tvzf ldtp_3.5.0.orig.tar.gz and tar -xvzf ldtp_3.5.0.orig.tar.gz. However, I get the same result for both ...
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3answers
12k views

tar: cannot open: no such file or directory

I am trying to follow the instructions here to install Jetty on ubuntu but I am running into a problem when I try to use tar. cd /usr/local/src sudo wget ...
2
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1answer
293 views

tar: compress only the contents of a folder

I have to compress only the contents of the folder, not the folder with tar, there is any argument for that? I have search but I don't find anything. Example: mainfolder/ asd1 asd2 ...
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6answers
2k views

Mounting a .7zip file containing .tar

I have downloaded wikipedia in a compressed form. It is a .7z file, which contains a .tar file. In compressed form it is only 14 GB. If I uncompress it, it has 208 GB in it. And I don't have that much ...