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

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1answer
39 views

XZ - Cannot allocate memory

If i run this command: XZ_OPT=-9 tar --xz -cvf files/compressed/xz/archive.tar.xz -C files/original/ . Get this message: xz: (stdin): Cannot allocate memory tar: ...
0
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1answer
20 views

Set LZMA compression level via tar [duplicate]

How can I set the compression level for this command? tar --lzma -cf files/compressed/lzma/archive.lzma -C files/original/ . With --bzip I just use: BZIP2=-9 tar --bzip2 -cf ...
2
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1answer
37 views

Output file generated by tar

tar can be used to gather a whole directory into a single file. I tried with the sample directory sampledir containing just some text files, with no subdirectories. Originally the directory occupies ...
2
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1answer
72 views

Why I can't unpack .tar.bz2 or .tar.xz files?

I'm having a problem unpacking files when I try to build from source on my OpenBSD, first I though it was just corrupted files but after it happened to many different programs and from different ...
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2answers
61 views

How to determine where a tarball expanded

I ran the following on Redhat linux: tar zxvf jdk-7u79-linux-x64.tar.gz resulting in: jdk1.7.0_79/ jdk1.7.0_79/LICENSE jdk1.7.0_79/release jdk1.7.0_79/jre/ jdk1.7.0_79/jre/LICENSE ...
0
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3answers
26 views

How to delete files from a directory based on the contents of a gzipped tar file?

Given that I: have a directory that contains over 1000 files have a gzip'ed tar file that contains a subset of those files (x.tgz) What is the single command line (if it is possible) that will ...
4
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2answers
45 views

Can I store and work with a directory in compressed form?

I have to work with many large sized directories which are shipped around in the form of tarballs. However, in order to really do any operations these tarballs have to be untarred into directories and ...
1
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1answer
43 views

tar in parallel [duplicate]

I have a directory with several hundred sub-directories. I want to tar and compress each sub-directory and name the resulting file <currentDirName>.tar.bz2. I have done: find ./dir -type f ...
1
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1answer
40 views

tar ignoring “newer” option

How do I get tar to only include files newer than a certain date? I have tried the following, both of which include older and newer files (today is 2015-07-20): tar -cj -N 2015-07-07 directory | tar ...
8
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3answers
345 views

Pack file with tar.gz from root directory

I try to pack a .csv file with tar.gz, while being in the root directory. The file myfile.csv is located at /mnt/sdb1/ So the full filename is /mnt/sdb1/myfile.csv I try to save the tar.gz under ...
3
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2answers
29 views

create flat tar archive: ignoring all parents when adding folders

I want to add few folders (recursively) to a new tar archive. All folders should be at the root level of the resulting archive. Is there any way to add all folders without their parents, and without ...
2
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1answer
24 views

How to tar-bzip old files in yearly groups

I wish to know a command I can use to grab and archive all files for a year at a time. I am working on a directory that has 72000 files, with files dated from 2007 to current. And I wish to make that ...
1
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2answers
23 views

tar extract hangs on non-existent file

I tried to extract a valid tar gzip file, P.tgz. It hangs infinitely. tar -x P.tgz This archive is of very small size. But it never gets completed. I tried with a non-existent tar archive, ...
3
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4answers
307 views

Is it possible to make a .tar.gz file directly from stdin? Or, I need to tar together already gzipped files

I'm going to tell you exactly what I need in order to clarify the cryptic question in the title. I'm currently making scheduled MySQL backups of all my databases with something like: mysqldump ... | ...
0
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1answer
60 views

Can I use lzma compression, without using “tar”, on OSX 10.10.3?

I kind of think of OSX as Unix by another name. But, if I need to move this to the Apple forum, please tell me! I can create tar files compressed using lzma as such: $ ls ./DbDumps alpha.dmp ...
1
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2answers
18 views

Include subdirectory from excluded directory in a tar archive

I have the root folder USA and sub-folders California and Texas. Texas is an excluded sub-folder but it has a specific file in it that I'd like to include in the tar backup. Let's call this file ...
4
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1answer
54 views

How can I repair a tar file where stderr got mixed with stdout?

I have a tar file that I'm trying to repair. The problem is that tar's stderr got mixed in with its stdout, so the file looks like this: % head android-1435613730.tar tar: removing leading '/' from ...
2
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0answers
28 views

Recover corrupt tarball

I have a corrupt tarball on my hands. My first attempt at recovery went like this: $ tar --ignore-failed-read --ignore-command-error -xf tarball.tar tar: Skipping to next header tar: Archive contains ...
0
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2answers
27 views

Tar - exclude all files in sub folder but not nested folders

I need to create a .tgz archive of the following folder pack | rest | vendor (folder) | ----index.php | ----info.log | another (folder) | ---index.php ...
7
votes
3answers
398 views

Can tarring files improve compression?

Can tarring a bunch of files together improve compression with the standard tools, e.g. gzip, bzip2, xz? I've long thought this to be the case but never tested it out. If we have 2 copies of the same ...
1
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1answer
27 views

Performance of `tar -xf` (block size related)

I'm recently working on optimizing the performance of tar -xf, i.e. untar a file. I notice that under default settings, tar -xf calls writes to write 10 KiB output at a time in chunks. However, this ...
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0answers
30 views

untar error - Cannot change mode to rwxr-sr-x

I am trying to untar a .gz file , which is stored in the /root folder onto a directory in /mnt/flash2/example I use the following command - tar xzf filename.gz --no-same-owner -C /mnt/flash2/example ...
13
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8answers
3k views

Memory problems when compressing and transferring a large number of small files (1TB in total)

I have 5 million files which take up about 1TB of storage space. I need to transfer these files to a third party. What's the best way to do this? I have tried reducing the size using .tar.gz, but ...
3
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1answer
48 views

Are tars deduplicatable at the block level?

Quite simply, when a tar file is made on disk, would the extents be deduplicatable with extents inside and/or outside of the tar? I am asking in the theoretical sense, so if the extents of data are ...
3
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5answers
146 views

View a file in a tar archive without extracting it

I want to view the content of the tarred file without extracting it, Scenario: I have a.tar and inside there is a file called ./x/y.txt. I want to view the content of y.txt without actually ...
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0answers
42 views

I can fix/repair small damaged tar.gz files using fixgz but it doesn't work on bigger files

The title tells it. I have some damaged .tar.gz files, most of them are pretty small (smaller than 1-2gb) but 4 of them are bigger and fixgz cant fix them, when i run fixgz for those big files, it ...
0
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1answer
62 views

tar with -C not working [duplicate]

I am trying to un-tar into a different directory using this tar xvf BACKUP.tar -C test But I am getting the following errors File -C not present in the archive. File test not present in the ...
0
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1answer
50 views

tar exclude files *.zip

Why don't *.zip patterns work in tar : tar cfjv backup.tar.bz2 --exclude mydir/files/*.zip mydir Is there another syntax?
0
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1answer
61 views

Extract files from a corrupted .gz file

I tried to compress a directory 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
2answers
33 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 ...
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2answers
38 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 -> ...
2
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3answers
46 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 ...
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2answers
96 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
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1answer
31 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
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1answer
16 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
1
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1answer
54 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
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0answers
36 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
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1answer
27 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
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1answer
339 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
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1answer
52 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 ...
0
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2answers
254 views

tgz file give invalid compressed data--format violated [closed]

I have download this file http://download.icu-project.org/files/icu4c/55.1/icu4c-55_1-HPUX11iv3-aCC.tgz https://ssl.icu-project.org/files/icu4c/55.1/icu4c-bin-55_1.md5 md5sum ok But on linux and ...
8
votes
3answers
927 views

How do I compress files in-place?

I have a machine with 90% hard-disk usage. I want to compress its 500+ log files into a smaller new file. However, the hard disk is too small to keep both the original files and the compressed ones. ...
1
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3answers
68 views

how to add files from a folder to archive instead of the folders itself

this is not a duplicate of creating a tar archive without including parent directory If I do tar -czf archive directory, directory will be added to the archive. I want to add the files of the folder ...
2
votes
3answers
169 views

tar unix not changing directory

I am executing a tar command to compress files which are present in another directory. I executed following command: tar -czf /backupmnt/abc.tar.gz -C /backupmnt/statusService/ * I want to create ...
1
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1answer
128 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 ...
1
vote
1answer
72 views

Tar and download in one step over ssh / scp [duplicate]

(This seems like an obvious / common question, but I couldn't find it when searching - maybe I wasn't using the correct terminology...) I want to login over ssh to a remote machine, tar a directory, ...
1
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2answers
134 views

busybox tar or split large file to multiple smaller files

I am running Linux version 3.4.8 on an at91sam9g20. I want to take a large record and split it into multiple files. I have tried a number of methods, but none appear to function correctly, e.g. ...
3
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1answer
56 views

use tar to extract and immediately compress files from tarball

I have a compressed tarball (eg foo.tar.gz) that I wish to extract all the files from, but the files within the tarball are not compressed. That is to say, the contents of foo.tar.gz are ...
4
votes
4answers
559 views

tar extract into directory with same base name?

I have a ziped file like myArchive123.tar.gz. Inside it contains a folder like helloWorld If I extract it: tar -xf myArchive123.tar.gz I get the helloWorld folder: ls myArchive123.tar.gz helloWorld ...
2
votes
2answers
281 views

how to create multi tar archives for a huge folder

I have a large folder with 30M small files. I hope to backup the folder into 30 archives, each tar.gz file will have 1M files. The reason to split into multi archives is that to untar one single large ...