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

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1answer
56 views

Portable software for the Posix world

Is there any "portable" software for Linux (i.e., Ones that can just be un-tar'd and used, instead of in rpm, or similar format. to be used in conjunction with a package manager)? Also, are there any ...
0
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1answer
202 views

Extract a single file from a tar file and put it to another directory [duplicate]

I need to extract a single file from a tar file to another directory. So far I have this: This one extracts a single file to same directory: tar -xvf filename.tar ./file.txt I tried this but it's ...
4
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1answer
126 views

What is the difference between a tar of a complete filesystem and an image?

I can create an image of a filesystem, or I can create a tar-file containing all of it. Is an image therefore something like a tar-archive? Or do these two types differ in more ways?
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3answers
5k views

How to choose directory name during untarring

Say I have file named ugly_name.tar, which when extracted, becomes ugly_name directory. What command can I use such that the resulting directory name is pretty_name instead?
2
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1answer
243 views

Tar ignore or fix checksum

I have a archive backup.tar that was created with a nonstandard program a long time ago. I no longer have access to the original program. The archive is Not compressed (gzip). When trying to extract ...
3
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2answers
1k 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 ...
3
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3answers
424 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 ...
2
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2answers
2k views

How to make tar save the archive on a remote machine using sftp or ftp?

I would like to backup some of my very important data on a remote machine. Currently I'm just saving it to my local machine by using this command: tar -cvjf ~/backups/Backup.tar.bz2 ~/importantfiles/* ...
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2answers
212 views

Extract TAR to SD-Card and verify contents afterwards

We currently extract a TAR archive to a SD-Card like this tar xf ${ROOT}/rootfs.tar -C /cynox/${DRIVE}/${TARGET} As a side note: The rootfs.tar contains files for an embedded Linux system. Some of ...
2
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1answer
123 views

recover partially overwritten tape from tar -c

I have a situation. I was supposed to run tar -x to recover a tar file from a tape but I pressed "c" and forgot to put the tape on readonly. The file was on fsf position 23, but the tape had 27 files. ...
5
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1answer
66 views

tar '-u' operation

When adding an updated version of a file to a tar file using '-u', and looking at the tar file with '-t', I notice that a newer version gets added to the end (the tar file also increases in size); ...
2
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1answer
105 views

What characters TAR doesn't like?

I keep a list of photos burned to dvds for incremental backups but I got into a strange situation where a file was already burned into a dvd but tar keeps saying it's not. Here the steps to reproduce: ...
1
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1answer
148 views

Error handling with tar and keep-old-files option

I am unpacking tar files with the option --keep-old-files so that I don't clobber files that are already there. The annoying thing is that this causes tar to produce an error code #2 (fatal error) ...
0
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2answers
114 views

Installer packages: .bin, -rpm.bin, tar, tar.z

Is it correct that most of Unix&Linux software supports x-copy deployment? If I download the installation package and uncompress the files into a particular directory - would that be enough to ...
1
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2answers
2k views

tar: short read

I get an error when I uncompress my tar. I do this: tar xvf VM_DECOMPTES.tar and after some time I get the following error: tar: short read What is going wrong here? tar: unrecognized ...
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5answers
14k 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 ?
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2answers
285 views

Is it safe to assume the tar.gz file is healthy?

I have a rather large tar.gz file (17GB) which is a tar.gz version of a directory. The problem here is I got the following message after the tar operation. tar: Error exit delayed from previous ...
4
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2answers
106 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 \ ...
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0answers
182 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. ...
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3answers
114 views

Taking Backup of files of particular limit in unix

Here is the scenario, I have 1000 files in a folder each ~3 MB. I want to zip all files into 50MB each zip and remove the original files. NOTE: 50MB may contain 20 files or 10 files but that zip ...
1
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4answers
373 views

tar a specific number of files listed in a text file

I have a text file which contains a list of files. I use. tar --null --no-recursion -uf abc.tar --directory= /tmp/temp --files-from abc.txt This command simply creates a tar with all the files ...
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1answer
78 views

Is there a way to tar multiple files in a directory (Linux/Unix)?

Is there a fairly simple way to tar several (specific) files in a directory? For example let's say the following is a directory: -rw-r--r-- 1 allend bin 98 Jul 20 15:50 scriptlog.log -rw-r--r-- 1 ...
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2answers
101 views

find command and tar

find /informatica/dev/SrcFiles* -mtime +7 -and -size +1M -exec tar -cvjf> So I ran this command and I can't find the file after it was done running (probably because I never named it?). The ...
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2answers
79 views

What's wrong with this tar command? [closed]

find /informatica/dev/SrcFiles* -mtime +7 -and -size +1M -exec tar -rvf files.8.2.2013.tar {} \; This command is running/working correctly and I'm not sure whats wrong. I want to find the files that ...
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0answers
117 views

Disk partition emptied during tar backup

This morning I was doing a routine backup of my development drive, one of 4 primary partitions on my hard-drive. The script I ran was: filename="/home/Backups/Devi_"`eval date +%Y%m%d`".tgz" touch ...
6
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4answers
3k views

howto inflate AND extract a .tar.bz2 using the 7-zip command line tool

I have a .tar.bz2 file that I want to be decompressed and extracted via the 7-zip commandline tool. So basically I'm looking for the equivalent of tar -xjf foo.tar.bz2 with 7-zip there is only the ...
3
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1answer
2k views

Compress a directory using tar/gz over SSH to local computer?

I'd like to essentially tar/gz a directory on a remote machine and save the file to my local computer without having to connect back into my local machine from the remote one. Is there a way to do ...
4
votes
1answer
188 views

GNU `tar` runs `stat` on an excluded directory. Is it normal?

I'm running tar as root like this: cd / tar --create \ --verify \ --exclude-backups \ --exclude-caches \ --auto-compress ...
2
votes
2answers
771 views

Verifying a .tar.gz backup

Edit 3: For people who will read this question: --verify mysteriously fails with "Warning: Cannot seek: Illegal seek", hence I recommend you look for alternative ways to verify your archives. My ...
4
votes
2answers
706 views

Find recursively all archive files of diverse archive formats and search them for file name patterns

At best I would like to have a call like this: $searchtool /path/to/search/ -contained-file-name "*vacation*jpg" ... so that this tool does a recursive scan of the given path takes all files with ...
3
votes
4answers
714 views

Why is my tar file bigger than the directory backed up

This question did not help me (despite having the same title). So I post this even though this is a duplicate question. As far as I can tell, the total in du -k includes all the subdirectories and ...
6
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3answers
2k views

Efficiently remove file(s) from large .tgz

Assume i have an gzip compressed tar-ball compressedArchive.tgz (+100 files, totaling +5gb). What would be the fastest way to remove all entries matching a given filename pattern for example ...
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2answers
1k views

Create .tar.gz from a directory omitting some subdirectories and add only new or changed files

I need to create a script, maybe bash, maybe just a .sh that checks for files changes on a root directory and sub-directories of the root, and adds to a new file. The tar.gz file name should have the ...
3
votes
2answers
8k views

Wait for process to finish before going to the next line in shell script

I have a script I made to create a backup. I need to make sure the backup is ready before it runs the /home/ftp.sh command. How can I do so? I use CentOS 5.6 #!/bin/bash tar -Pcf ...
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6answers
33k views

tar --exclude doesn't exclude. Why?

I have this very simple line in a bash script which executes successfully (i.e. producing the _data.tar file), except that it doesn't exclude the sub-directories it is told exclude via the --exclude ...
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6answers
672 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 ...
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2answers
240 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
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2answers
3k 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 ...
1
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1answer
821 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. ...
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votes
1answer
49 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 ...
5
votes
2answers
25k 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 ...
5
votes
3answers
850 views

What does the -f parameter do in the tar command

When using tar I always include -f in the parameters but I have no idea why. I looked up the man and it said; -f, --file [HOSTNAME:]F use archive file or device F (default "-", meaning ...
3
votes
1answer
190 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 ...
6
votes
4answers
2k views

How do I use the Unix tar command with an implicit filepath?

I am using the tar -xvf command and it is taking the explicit path. However, the path is full. Example: tar -xvf 13.2.tar It is taking the path of /mnt folder. The / folder is full. How can I tar ...
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3answers
860 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
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1answer
852 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 ...
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2answers
3k 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. ...
2
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6answers
1k 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 ...
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 ...
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1answer
658 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 ...