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

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1answer
9 views

Extract files from a corrupted .gz file

I tried to compress a dir using "tar -zcvf output.gz input_dir" . I suppose I should have used a .tgz extension for compressing. How do i untar output.gz, I tried both "tar zxvf output.gz" which ...
3
votes
1answer
97 views

Make Tar Incremental Backups into One Backup?

Well, I know this question is quite strange. I have done a lot of incremental backups. Now the total file size gets too large, because there are a lot of duplicate files with similar contents, and ...
40
votes
7answers
27k views

How to XZ a directory with TAR using maximum compression?

So I need to compress a directory with max compression. How can I do it with xz? I mean I will need tar too because I can't compress a directory with only xz. Is there a oneliner to produce e.g. ...
3
votes
2answers
23 views

Including process output in tar file

I have a simple bash script to generate a compressed tar file and upload it to an external server for backup purposes. In addition to files on the server, I'd like to include dumps of a few mysql ...
1
vote
2answers
28 views

Pack installed system in tar.gz file

I have arch linux installed, with partition scheme like this: /dev/mapper/lvm-root -> / /dev/mapper/lvm-home -> /home /dev/mapper/lvm-opt -> /opt /dev/mapper/lvm-pkg -> ...
5
votes
3answers
1k views

tar list files only

Fun fact: If you use Archive Manager and extract a .tar.gz so that you have "Keep directory structure" unticked, you will get a tarbomb. tar -ztf lists all the files and directories in a tar file. Is ...
19
votes
6answers
33k 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 ?
2
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3answers
34 views

tar compresses folder, but creates nested structure

I have the following folders on a linux machine ./myFolder ./tmp ./packages ./zips compress.sh I run tar -czf ./zips/someFile.tar.gz ./tmp/someFolder from compress.sh. The folder is ...
17
votes
5answers
9k views

Is there a parallel file archiver (like tar)?

Is there something out there for parallel archiving of files? Tar is great, but I don't use tape archives, and it's more important to me that the archiving happens quickly (with compression like ...
6
votes
5answers
950 views

Does gzip add integrity/crc check to a .tar?

I run commands: tar -cf myArchive.tar myDirectory/ gzip myArchive.tar then I copy the file over a lot of unreliable mediums, and later I unpack it using: tar -xzf myArchive.tar.gz The fact that ...
0
votes
2answers
48 views

how to untar file in linux red hat?

I am compiling linux red hat stable kernel on red hat linux and the error which I am facing is as below
1
vote
1answer
24 views

How to specify a common parent folder to tar files from different sources into

Here is the current command I'm running: tar --directory=/Users/joe/images -czvf images.tgz dir1/image1.jpg dir2/image2.jpg As you can see, this is using /Users/joe/images as the root directory, and ...
0
votes
1answer
14 views

How do I test for existence of a file(s) within a certain directory before making a Tar of that directory?

How do I test for existence of a file(s) within a certain directory before making a Tar of that directory? Would it possibly look like this: if [ -f /home/backup ]; then tar cf name.tar; fi
8
votes
1answer
6k 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 ...
4
votes
2answers
3k 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 ...
7
votes
4answers
1k views

Faster alternative to ArchiveMount?

At the moment I am using ArchiveMount to mount a 123,000 kb archive that contains more then 3 million files inside. So far it has been mounting for 5+ hours and still isn't finished. Is there a ...
6
votes
2answers
2k views

What's the difference between tar.gz and tar.Z?

The downloads on this page, e.g. of NetCDF C/C++/Fortran 4.1.3, show tar.Z and tar.gz formats. The tar.Z doesn't even have a configure file in it. What is it used for?
10
votes
5answers
7k views

How do I recursively grep through compressed archives?

I'm trying to find out what modules use Test::Version in cpan. So I've used minicpan to mirror it. My problem is that I need to iterate through the archives that are downloaded, and grep the files ...
3
votes
1answer
176 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 ...
1
vote
1answer
424 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 ...
1
vote
4answers
502 views

Command substitution grepping ls output causes error

I'm trying to make a tar.tgz file using command substitution There are backups of 17 Aug 2012 -rw-r----- 1 ossec 502 804M Aug 17 2012 BKPMDISINT_i6nir20j.F_bkp -rw-r----- 1 ossec 502 2.7G Aug 17 ...
3
votes
2answers
6k views

Search for a file inside a tar.gz file without extracting it and copy the result to another folder

I need to search for a file inside a tar.gz file without extracting it. After that, I need to copy the file that was searched (if ever there is) to another folder. So far I have this, but the copy ...
5
votes
1answer
173 views

How do I hook into Tar with BASH?

Long Story Short I'm working with Tar archives that contain PNG images in base64 encoding. I would like to use BASH (or whatever else works) to hook into the extraction function of Tar to decode PNG ...
8
votes
4answers
226 views

Virtual write-only file system for storing files in archive

I have an embarrassingly parallel process that creates a huge amount of nearly (but not completely) identical files. Is there a way to archive the files "on the fly", so that the data does not consume ...
13
votes
2answers
793 views

Is that possible to integrate zip and tar.gz files as directory into the file system

I wonder if there is a way to integrate (it's a bit different from mounting, I think) compressed files as directories into the file system? E.g., one could download a compressed-file.tar.gz to his ...
4
votes
2answers
2k views

modify file ownership for files inside tar archive

I am working as user, and I would like to create a tar archive, which when unpacked (by root) will extract its files with root ownership (otherwise root would have to change the ownership manually for ...
1
vote
1answer
54 views

Un-archiving single file hanging

I am trying to unarchive a very large directory. Here is what works to untar the entire thing: $ sudo tar -xjf itunes20140618.tbz --verbose x itunes20140618/ x itunes20140618/genre_artist x ...
6
votes
3answers
575 views

Multiple tar processes writing to the same archive file at once

I am running many tasks on a Linux cluster. Each task creates many output files. When all tasks are finished, I run something like tar cf foo.tar output_files/to create a tar archive. This is a very ...
2
votes
1answer
167 views

Create animated WebP file from WebP files?

I have converted a sequence of images to WebP, and I want to compile them into an animation. I downloaded libwebp, but it's a tar.gz archive and I don't know how to install those. Is there another ...
7
votes
2answers
734 views

Is there a way to convert a zip to a tar without extracting it to the filesystem?

Is there a way to convert a zip archive to a tar archive without extracting to a temporary directory first? (and without writing my own implementation of tar or unzip)
9
votes
2answers
408 views

How to convince tar (etc.) to archive block device contents?

I have six Linux logical volumes that together back a virtual machine. The VM is currently shutdown, so its easy to take consistent images of them. I'd like to pack all six images together in an ...
6
votes
1answer
265 views

How should I combine many compressed files into one archive?

I have a few hundred .tar.xz files which are almost identical (they are daily database dumps, and the database changes slowly). I believe that due to the similarities in the uncompressed files, they ...
3
votes
1answer
199 views

How to create a deterministic tar.gz using git-archive?

Creating a git repository for testing. ~ $ mkdir somefolder ~ $ cd somefolder/ ~/somefolder $ git init Initialized empty Git repository in /home/user/somefolder/.git/ ~/somefolder $ echo test > ...
3
votes
1answer
483 views

Estimate the size of the extracted files before extraction a `tar.gz` archive?

Before using tar to extract a .tar.gz archive, it is possible to get an estimate of how large the extracted files are in total?
2
votes
1answer
268 views

cpio VS tar - what the best archive solution in order to compress hundred of directories to one file

I have hundreds of directories under /var/Recording, and each directory there will have subdirectories, including files, hard links and soft links. I want to compress all directories under ...
3
votes
1answer
110 views

Is it possible to add error correction codes (BCH, RS or etc.) to a single file?

As far as I know, WinRAR archives may contain ECC (error correction codes), so if the archive is slightly damaged, then it can be fixed by itself. For example, I can first encode archives.tar to ...
2
votes
2answers
54 views

How to specify a different “top level” name for tar?

I would like to tar root (/) and let it appear as /abc in the tar archive. Is there a tar flag for specifying a custom top-level name?
1
vote
3answers
84 views

TAR Files: Move Files From Subdirectories to Main Directory

I've been trying to use this code: find documents -maxdepth 1 -type f -print0 | xargs -0 tar cvf documents.tar.gz to create a backup of the directory documents. The directory has the structure: ...
4
votes
3answers
573 views

Unpack file compressed in .txz and .tar with one command

I have a file compressed in *.txz. After unpacking it I received a *.tar file. Is there any way to unpack it twice with one command? I mean unpack file (*.tar).txz with one command? For know I'm do ...
1
vote
3answers
28 views

Should I put old projects in tarballs

I never really used tarballs/archived much, except for uploads (with compression). Now I've accumulated a huge list of software projects coding experiments -- basically directories with lots and lots ...
3
votes
2answers
37 views

Help checking the integrity of TAR files for backup

I want make a backup of my Home directory and I've read a good method is to use the tar tool, and I think it suits me well since all I need to do is create a .tar of every folder in the Home directory ...
0
votes
0answers
34 views

Tar corrupting file attributes and skipping directories

While creating tar archives for backup purposes with 'large' numbers of files (200+), I have been repeatedly running into the following errors: tar: some/path/file.xyz: Cannot stat: Invalid argument ...
4
votes
1answer
27 views

How to get tar to hardlink identical content on-the-fly during archive creation?

How can I get tar (or any other program that is commonly available on Linux, e.g. pax) to hardlink duplicate content on-the-fly during archive creation? That is, I'd like to avoid hardlinking upfront ...
1
vote
1answer
32 views

How to transfer a rootfs folder?

I just created a rootfs with debootstrap in a Debian Jessie VirtualBox VM. Now I would like to transfer this to the host, by first compressing the directory to a tar archive, so I can upload it and ...
0
votes
0answers
30 views

Backup server with tar, encrypt and directly transfer the result, AFTER BUFFERING IT

So I've been investigative how to make full backups with tar, and I found that tar is a good tool if the backup is to be made once, and if the server has enough disk space to handle the output file. ...
0
votes
1answer
25 views

By convention, where do packages go to install on other machines?

I'm working on a script that will scp a tarball to another machine and extract and install it's contents via ssh. I have to install this script as one bash file and one tarball. I could install the ...
0
votes
1answer
49 views

Unarchiving a downloaded tarball with Ansible

I'm trying to get WordPress downloaded and installed via Ansible and I can't seem to figure out what I'm doing wrong here. First I download via the get_url module then I attempt to use the unarchive ...
1
vote
1answer
32 views

Copy a rolling “last 2 months” of files

I have a friend who is a photographer and she has a lot of large files as a result. Our current solution is where some files are delivered to my house. I don't have the storage capability to store all ...
3
votes
1answer
55 views

Is it safe to use tar even if there are some characters other than ASCII in filenames and paths?

Is it safe to use tar even if there are some characters other than ASCII printable characters? For example, Japanese characters, Chinese characters, newline character etc. Are there any known ...
1
vote
1answer
58 views

unpigz (and untar) to a specific directory

I know how to gunzip a file to a selected location. But when it comes to utilizing all CPU power, many consider pigz instead of gzip. So, the question is how do I unpigz (and untar) a *.tar.gz file ...