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

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1answer
32 views

How to tar, split, pipe, untar over ssh

I'm copying large files over LAN, and I've noticed that with doing one ssh pipe, I can get around 10MB/s transfer speed. However, if I shoot off four of those at the same time, I get around 40MB/s ...
0
votes
1answer
53 views

tar unused files then delete them

I have folder with subfolders and sessions logs. I need some commands or script to tar this folder without usage files and then delete it. I have this construction, but I'm not sure if this leave ...
1
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0answers
35 views

Bash script to get the result from rsync transfer and zip it as a directory in the original directory

OK, I guess this is weird. I have a small stage.sh script very simply has a bunch of commands: if [ "$(whoami)" == 'David' ]; then rsync -a --delete-excluded --exclude-from=.stage_rsync_rules ...
20
votes
3answers
946 views

What does .??* mean in a shell command?

The following command will tar all "dot" files and folders: tar -zcvf dotfiles.tar.gz .??* I am familiar with regular expressions, but I don't understand how to interpret .??*. I executed ls .??* ...
3
votes
4answers
515 views

tar a result of wget

I want to wget a file and tar it, in one command, I guess it is simple but I can't get it done. I tried several things. wget <url> | tar -cvz file.gz.tar - tar -cvzf file.tar `wget ...
0
votes
1answer
19 views

TAR gives error - tar: You may not specify more than one `-Acdtrux' or `--test-label' option

I am trying to make a tar ball and its throwing the error, persis1@takwa228-DEV $ tar -pcrvzf ALPHA.tar.gz https-ALPHA tar: You may not specify more than one `-Acdtrux' or `--test-label' option Try ...
3
votes
2answers
19 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 ...
1
vote
1answer
20 views

Extracting the Contents of tar archive to parent directory issue resulting in creation of sub directories

I have a Tar file: testwebsite.tar I've placed it in the directory I would like to extract its contents to on my Web server which is mytestdirectory I run this command via PuTTY: tar -xvf ...
4
votes
1answer
63 views

How to display progress bar for tar incremental archives?

While creating a level-0 archive I can do this: tar -cf - . | pv -s $(du -sb . | awk '{print $1}') | gzip > out.tgz But in case of a level-1 (incremental) archive, I don't know beforehand what ...
2
votes
1answer
79 views

Uncompressing .tar.gz archive to specific directory

How does tar.gz file gets uncompressed with all contents to arbitrary directory, existing or not using tar using single line command? If it does not exists, then is created (directory). To clarify, ...
3
votes
1answer
31 views

Can tar discover the archive format when piping it in via wget?

When I have a tar archive of any format, I can use: tar xf archive.tar.xz tar xf anotherarchive.tar.gz as tar discovers the relevant format by itself. Now I want to download the archives and ...
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votes
0answers
27 views

Theoretical situation: Limited access and installation of some application to a live server

I have been given this task described below and I made list of assumptions and little list of what can go wrong and some plan of action what to do. The task does not really say how to access the ...
6
votes
3answers
11k views

Extract multiple .tar.gz files with a single tar call

I was wondering whether (and, of course, how) it’s possible to tell tar to extract multiple files in a single run. I’m an experienced Unix user for several years and of course I know that you can use ...
1
vote
1answer
27 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 ...
4
votes
3answers
494 views

Why does the specific sequence of options matter for tar command?

I was trying out tar command to make archive with .tar extension. please have a look at the following series of commands I tried: $ ls abc.jpg hello.jpg xjf.jpg $ tar -cfv test.tar *.jpg tar: ...
0
votes
1answer
20 views

Unable to extract to specific directory

I am trying to extract to file to specific directory but it doesn't produce result Operating system : SunOS Command: zcat /export/home/tceng/Desktop/temp/3.tar.Z | tar -xf - -C ...
0
votes
0answers
5 views

Generating a .img from tarball: The /dev/loop devices [duplicate]

I'm trying to make a .img from a tarball using the following script: #!/bin/bash # Packages required # dosfstools parted # Can be run on any Linux system # loop.max_part=15 must be in kernel ...
1
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0answers
30 views

tar --occurrence= option ignored?

Using GNU tar 1.26 on Linux, I'm looking for a way to stop processing after the N-th occurrence of a file in a .tar archive. This should work: tar --file=archive.tar --list --occurrence=1 filename ...
2
votes
1answer
138 views

How to install BPG (Better Portable Graphics) on Linux Mint 17?

How do I install BPG (Better Portable Graphics) on Linux Mint 17? I downloaded the tar.gz file from Fabrice Bellard's website. The ReadMe file says, Edit the Makefile to change the compile ...
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votes
1answer
50 views

How to install stardict from a tar.gz manually ?

I have downloaded stardict-2.0.0-pre2.tar.gz and applied the extraction on it by writing: tar xzvf stardict-2.0.0-pre2.tar.gz , thereupon a new folder was created with the following content: From ...
2
votes
1answer
46 views

Remove tar compress spool from cron email

I have a crontab job that call a simple script to backup a website: 15 0 1,10,20 * * /home/username/bin/backup_whatever This is the script: #!/bin/bash TODAY=$(date +"%Y%m%d") ...
1
vote
3answers
99 views

Why can't the tape device such as '/dev/st0' use commands like 'cp' to copy contents to it?

I got this point from a book,it says Because the tape device is a disposable I/O device,so we can't use commands like 'cp' to copy. And the author recommended to use 'tar': tar -cvf /dev/st0 ...
1
vote
1answer
102 views

How to pipe scp/ssh file transfer(pull) through tar (remote->local transfer initiated from local machine)

I would like to pipe an scp pull operation(sample without tar below) through tar, so that only one tar file is written for about 10 directories: user@localhost:/home/user> scp -r ...
4
votes
3answers
237 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 ...
0
votes
1answer
36 views

How to show a progress bar while tar a folder recursively?

In bash-script execution of taring not shown a progress bar, how to show a progress bar while taring a directory?
0
votes
1answer
29 views

Using Xargs to write a tar archive in numerical order

I need to write an LTO of single frame files (DPX) in frame number order. When using the standard command below the frames are written out of order. tar -b 1024 -cvf /dev/nst0 <directory> ...
2
votes
2answers
7k views

Create target directory when extracting tarball

Is it possible to create a target directory, similar in nature to the mkdir -p switch, where I can define a non-existent target directory within my tar command, and tar will create the directory for ...
8
votes
2answers
355 views

tar to pipe but keep -v verbose output separate from STDERR

A normal tar command tar cvf foo.tar ./foo >foo.out 2>foo.err has three output IO streams archive data to foo.tar list of filenames to STDOUT (redirected into foo.out) error messages to ...
5
votes
4answers
7k views

How to recover a corrupted “tar.gz” file

I suddenly needed to recover an old tar.gz file, but as soon as I execute so: tar -zxvf filename.tar.gz I get this: gzip: stdin: invalid compressed data--format violated tar: Child returned ...
0
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1answer
41 views

Tar Create and Split files into subdir

I have this command: tar -cf - input/* | split --bytes=1m Which splits my huge gz files into small ones. This works fine. However I want the output (the small files) to be created in the input/ ...
3
votes
2answers
87 views

Tell gzip/bzip2/7z/etc not to compress already-compressed files?

I'm tarring up /home, and piping it through bzip2. However, I've got lots of already-compressed files out there (.jpg, .mp4, .mkv, .webm, etc) which bzip2 shouldn't try to compress. Are there any ...
34
votes
5answers
24k 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. ...
4
votes
1answer
183 views

how to run a software in linux without installing it

I am trying to run Rstudio download page link. On my Windows machine, I just downloaded the zip file from zip/tarballs section and was able to run .exe without installing anything on my machine. I'd ...
20
votes
2answers
82k 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 ...
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votes
1answer
130 views

How to compress a single huge file (e.g. 200GB) file from command-line [closed]

I'd like to compress one huge file (~200GB) from the command line. no need for archiving its directory along with it, swift operation and high compression ratio preferred. What may be some good ways? ...
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 ...
0
votes
1answer
25 views

How to create backup from symbolic links and from files, too?

I would like to archive some directories. These directories are contain some softlinks. I should keep these links and files, too. I didn't found any solution... I tried tar with -h option but it ...
1
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2answers
165 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 ...
1
vote
3answers
189 views

How to tar files with a sorted order?

If you tar a directory recursively, it just uses the order from the os's readdir. But in some cases its nice to tar the files sorted. Whats a good way to tar a directory sorted alphabetically? ...
8
votes
2answers
642 views

How is the order in which tar works on files determined?

$ touch dir/{{1..8},{a..p}} $ tar cJvf file.tar.xz dir/ dir/ dir/o dir/k dir/b dir/3 dir/1 dir/i dir/7 dir/4 dir/e dir/a dir/g dir/2 dir/d dir/5 dir/8 dir/c dir/n dir/f dir/h dir/6 dir/l dir/m dir/j ...
5
votes
2answers
11k views

Compress old log file into single zip-linux

I have a folder /home/testuser/log which contain log files of one day old *.log. I wish to compress all the log files older than one day to a single zip(gzip or tar.gz) and delete the older files. I ...
0
votes
4answers
2k views

Copy a directory to external HDD

I'm trying to copy a directory to external HDD. I mounted the device and then typed : cd root tar -cf - * | (cd /mnt ; tar -xpf -) I got this error message: "cowardly refusing to create an empty ...
15
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1answer
17k views

scp and compress at the same time, no intermediate save

What is the canonical way to: scp a file to a remote location compress the file in transit (tar or not, single file or whole folder, 7za or something else even more efficient) do the above without ...
0
votes
1answer
166 views

tar command not found on rhel6

I am trying to download a file in rhel6 and use tar to uncompress it. I am running this on docker. I get a wierd error saying : /bin/sh: tar: command not found 2014/12/22 19:32:21 The command ...
3
votes
2answers
1k views

Making tar split archives as it compresses?

I want to compress a file with tar but I'd like to know if its possible to do it while splitting the files. I know that in windows is possible to do this with winrar, I also know I can use split but ...
4
votes
1answer
494 views

Untar a specifc folder within tar.gz

How do I untar/uncompress a specific folder within a tar.gz using the terminal/commandline (Ubuntu 14.04 (Trusty Tahr))? Precise: -file.tar.gz -- folder1 -- folder2 How to extract... ... ...
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votes
1answer
77 views

How to tell xargs to unpack tar into certain directory [closed]

I wrote my first script which goes: find /media/temp/test -type f -printf '%T@ %p\n*.tar.gz' | sort -n | tail -1 | cut -f2- -d" " | xargs tar -xvpf I would like to find latest modified file which ...
0
votes
1answer
55 views

Backing up Linux server to Windows domain

I'm maintaining a small Linux workstation/server in a Windows-domain-based environment. Apart from being in the same network, the Linux computer is not connected to the domain. Until now, I'm using a ...
2
votes
3answers
68 views

tar append to file in archive

Good morning, I have a tar compressed archive tar.bzip2 (created using tar jcf), which contains a file named data.txt (1). On the other side, I have another file also named data.txt (2). Is ...
7
votes
2answers
5k views

Force the owner and group for the contents of a tar file?

I would like to create a tar file with contents belonging to an owner:group pair who do not exist on the system from which the file is being made. Here's the direction I've tried: tar ca ...