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

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5answers
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tar without preserving user [duplicate]

I'd like to compress some files for http distribution, but found that .tar.gz keeps the user name and user ID and there doesn't seem to be any way to not do that? (There is a --numeric-owner option ...
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2answers
57 views

Why was shar written if tar already existed?

According to the BSD man pages, tar first appeared in Version 7 UNIX in 1979, but shar first appeared in 4.4BSD, which was released in 1994. What were the perceived advantages to shar at the time? ...
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2answers
61 views

Can I download tar.gz file while it is being compressed?

I am compressing a huge directory which could be more than 10 GB, It takes time to compress it. But at the same time, I have to download this to another new server. So while the compressing is going ...
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2answers
178 views

How do I pipe the files downloaded with wget through tar?

I would like to pipe tarballs (.tar.gz files in this case) I download with GNU Wget (wget) through tar -xzf (to decompress them, if this is unclear) but I don't know how. I have tried: wget -q -O- ...
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2answers
135 views

How do you set the default behavior of tar?

I have never needed to use any other options for tar other than -cvzpf. Is there some way to set that as the default behavior? While I recognize that it is often impossible to say why someone wrote a ...
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2answers
91 views

Download the file from either of two machines using SCP?

I have a below bash shell script which I am running from machineA and that shell script will try to download a tar file from either of these two machines machineB and machineC and put it in ...
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1answer
4k views

Updating tar.gz daily only with changed files [duplicate]

Possible Duplicate: Add/update a file to an existing tar.gz archive? I have some game files I wish to update daily and they create a tar.gz of the folder, but instead of making a full ...
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1answer
49 views

tar without -f option in extraction

My question is similar to the question What does the -f parameter do in the tar command, but it pertains to archive extraction. If I issue tar x instead of tar xf mytarball.tar, is it expecting I ...
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3answers
6k views

wget downloading tar.gz file as html?

I need to download this file http://download.oracle.com/otn-pub/java/jdk/7u67-b01/jdk-7u67-linux-x64.tar.gz using wget. I use the command wget ...
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6answers
3k 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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4answers
559 views

Compare the contents of dynamically generated archives

Short question: I have two dynamically generated tar archives (so they have different timestamps), how can I compare them, ignoring any different in time? Backgrounds... I am doing some backup, in ...
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1answer
115 views

Incremental backup script (shared hosting)

Please consider I'm not sys admin so I have only limited experience with the tools involved, I know there are similar question but I cannot find anything that suit my needs. In a similar question ...
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1answer
34 views

`sudo tar` but own the resulting file

I want to put a bunch of files into an archive with tar. However, I don't have permission to access all of them, so I have to do sudo tar. However, now that root has run the tar, the resulting ...
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1answer
46 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 ...
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1answer
385 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, ...
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2answers
409 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. ...
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1answer
396 views

in which units does tar --checkpoint measure?

GNU tar offers the option --checkpoint where a message should be printed each checkpointreached. Question:: In what does --checkpoint measure? My best guess is Bytes. I wasn't able to find a hint ...
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1answer
3k views

Symlinks and permissions in backup archives

I installed linux on another computer and I want to move my /home directory to that computer. I want to backup that directory with any file permission, symlinks etc. how should I do it? Are there any ...
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2answers
744 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 ...
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1answer
558 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 ...
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1answer
21 views

Compressing a folder but do not compress specific file types but include them in the gz file

I am using tar with pigz to compress a folder and save a backup. Size of this folder ~250 GB or more. This folder has variety of content including numerous text and log files, ISOs and zip files in ...
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1answer
22 views

unzip/untar files using Curl in ftp server

In the curl command we can delete,rename and move files from a FTP server using Curl like in the command below: curl -v -u username:pwd ftp://host/FileTodelete -Q "DELE FileTodelete" Can we untar ...
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1answer
32 views

How to search recursively within several levels of embedded tar tgz files? [duplicate]

Can somebody help me to figure out a command to find a file recursively that is embedded in a tgz file which is within another tgz files recursively: MainFile.tgz → SubFile1.tgz → SubFile2.tgz → ...
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2answers
61 views

Tar files starting with the same pattern

I have some log files named : 2016-02-10_03-52.log 2016-02-10_04-43.log 2016-02-10_02-13.log ... 2016-03-15_07-03.log 2016-03-15_09-08.log Basically the pattern is : YYYY-MM-DD_.log I would ...
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1answer
54 views

Where to tar entire USB flash drives?

I want to do all my archiving and compression on the command line. I have a USB flash drive located at /dev/disk/by-label/SanDiskData (which links to /dev/sdc1). I thought I could simply do: $ cd ...
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1answer
99 views

How does one remove a tar-installed Node.js from CentOS 7?

A CentOS 7 server has v0.12.7 of Node.js installed, and the installation was done using a tar. This is leading to conflicts when I try to install a more modern version of Node.js using yum. What ...
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1answer
227 views

How to create a tar of a chroot?

I want to capture everything in a chroot but am unsure whether I need to first chroot into it to see the full filesystem/preserver permissions etc. From outside the chroot, it seems like I would miss ...
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1answer
110 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 ...
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1answer
122 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 ...
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1answer
842 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 ...
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1answer
251 views

How to replace string of the file, which is present in tar file through UNIX

I have a tar archive xyz.tar containing lots of .sh files like: 123.sh 456.sh 789.sh Every .sh file has some string content, e.g. 123.sh contains welcome to Hollywood, 456.sh contains I love ...
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2answers
662 views

Compressing multiple files in different folders without folder structure

Currently I create a copy of my log files like this: # tar -cvzf /var/www/vhosts/example.com/httpdocs/myfiles.tar.gz /var/www/vhosts/example.com/logs/access_log ...
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1answer
140 views

Adding files to .tar from directory

Is there a way to add files to .tar file in one directory from an another directory? And at the same time list the content of the tar to see if its added. I only found ways to add files if its in the ...
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1answer
261 views

How to tar only files in a multiple of directories but not directory?

I have three folders under the Test folder. Test ----> dir1, dir2, dir3 Under dir1,dir2 and dir3, I have lot of files. I want to tar only the files not the dir1, dir2 and dir3.
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2answers
359 views

tar specific files based on a pattern

I got a lot of files with the following format: 2014_04_01_11.txt 2014_04_01_12.txt 2014_04_01_13.txt 2013_03_25_12.txt 2013_04_29_15.txt I would like to tar all theses files into an archive 20?? _ ...
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1answer
336 views

`tar` with `find` with removing original file extension

I want to create tb2 files from bunch of text files like this. tar cfj $(basename ./2014_04_09.txt .txt).tb2 $(basename ./2014_04_09.txt) With this command I can create a archive file 2014_04_09.tb2 ...
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1answer
6k views

How to install adobe flash tar?

I have a problem getting Flash working in Mint13 XFCE. Now I have downloaded the tar file, but I don't understand what I have to do to get this installed. I have this file: ...
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1answer
187 views

touch and tar from a text file

Am trying to zip a certain number of files and am stuck at below point, ls -lrt /lag/cnn/*/*/*/adb.tar.gz | grep -nri ABC >> sample.txt In sample.txt i got filesNames on which i have to do ...
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1answer
459 views

How to see tar content including uid and gid?

I have a tar archive and want to see the content with the group-ids and user-ids. When using tar --list -v --file file.tar I see the user and group names, but I want to see the user-ids and ...
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1answer
530 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) ...
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3answers
391 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 ...
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2answers
23 views

How to extract files to “/usr” directory without overriding other files?

I download swift installation package, and extract it into my home directory: # tar -C / -xvf swift-2.2.1-RELEASE-ubuntu14.04.tar.gz swift-2.2.1-RELEASE-ubuntu14.04/usr/ ...
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3answers
593 views

tar excludes way too much

When running tar in /, how can i exclude e.g. "/sbin" while not also excluding "/usr/sbin"? Some details: It is widespread opinion that tar --exclude=dir only excludes "dir" and its subfolders seen ...
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2answers
42 views

Solaris tar: “symbolic link failed: Not a directory”

When unpacking a tar archive with a symlink under Solaris 10, I get this error: tar: lib/jre/: symbolic link failed: Not a directory The lib/jre symlink points to lib/jre1.8.0_46 which is in the ...
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2answers
47 views

Is it necessary to transfer `tar` files through `rsync` in archive mode?

I have a bunch of tar files in my machine which I want to transfer to an external hard drive (EHD); they where created preserving permissions (using the -p flag). I plan to use rsync to copy them to ...
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1answer
766 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: ...
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1answer
115 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 ...
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1answer
68 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 ...
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2answers
257 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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2answers
112 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 -> ...