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

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68
votes
7answers
46k 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. foo....
1
vote
4answers
79 views

Avoid the contents of a .tar begin with './'

I want to make a backup of a directory using tar and xz, but I have a problem. When I open the file, all the files and directories begin with ./ and I don't want this to happen. file.tar.xz |---- ...
3
votes
3answers
577 views

How do I pipe the output of tar through mv?

A previous question of mine asked how to pipe downloaded files through tar, now I would like to know how to pipe the output of tar through mv. See I have this command at the moment: wget -c https://...
5
votes
1answer
2k views

“invalid tar magic” on OpenWRT

I'm trying to install JavaSE on a OpenWrt (Pandorabox) device. When I run tar -xvf ejdk-8u65-linux-arm-sflt.tar.gz I get tar: invalid tar magic. How can I solve this problem?
1
vote
2answers
74 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 ...
3
votes
1answer
71 views

Rsync contents of tar with remote server

I've got a number of backups as tar archives, and to do checking/testing of them I restore to some test machines using: cat archive.tar.gz | ssh server2 "cd /path/to/dir; tar zxvf -" Most of the ...
22
votes
4answers
60k views

How to extract specific file(s) from tar.gz

How can we extract specific files from a large tar.gz file? I found the process of extracting files from a tar in Untar only a certain number of files from a large tarball but, when i tried the ...
0
votes
0answers
36 views

Unix -untar files only looping one time - C-shell

I have list of *.tar.gz files that I want to unzip and untar at once. The code: foreach summ (`ls *.tar.gz`) gunzip -d < $summ | tar xf - end But only one file has been untarred. How would ...
0
votes
1answer
63 views

Thunar custom action: Extraction to subdirectories

I am attempting to create a Custom Action in Thunar (File Manager) that will extract a gzip archive into a subdirectory of the same name (e.g. abc.tar.gz to abc/). I created this command, which works, ...
7
votes
5answers
12k 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
votes
1answer
43 views

how to make TAR of selected files in directories

I have below paths in my system /a/b/z /c/d/ /e/f/z /y/g/ In "z" directory there are some files i just want to make tar of that files without going into directory .
0
votes
1answer
48 views

filename.gz installation on AIX

I use sudo tar xvzf forwarder.tar -C /opt/ on Linux and this works perfectly then I proceed with a . /splunk start to install a forwarder file. While in AIX, its forwarder is in .gz format and ...
1
vote
0answers
52 views

Archive for root file system with quick random access

I need file archive format with the following features It is compressed (not plain tar or iso). It can backup (and restore) linux root file system keeping owners, symlinks, sparse files, devices, ...
0
votes
1answer
37 views

How to recover a node/content from a tarfile that's been overwritten

Disclaimer: I'm not very good at writing questions, and mine is a very specific scenario. So I'm just going to jump straight into the situation: I was browsing my filesystem, and somehow managed to ...
2
votes
1answer
422 views

passing variables from 'ls' to 'tar' via 'xargs'

I am trying to do something like ls -t | head -n 3 | xargs -I {} tar -cf t.tar {} to archive the 3 last modified files but it ends up running the tar command separately for each of the files and at ...
26
votes
3answers
42k views

Create a tar archive split into blocks of a maximum size

I need to backup a fairly large directory, but I am limited by the size of individual files. I'd like to essentially create a tar.(gz|bz2) archive which is split into 200MB maximum archives. ...
1
vote
3answers
93 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 ...
33
votes
4answers
2k views

How to untar safely, without polluting the current directory in case of a tarbomb?

Respectable projects release tar archives that contain a single directory, for instance zyrgus-3.18.tar.gz contains a zyrgus-3.18 folder which in turn contains src, build, dist, etc. But some punk ...
0
votes
1answer
379 views

why would you tar a zip file

I see here that a tar is used to merge several files into one. So why do I see so often one zip file in a tar? example : archive.zip.tar
33
votes
8answers
79k 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 ...
0
votes
2answers
91 views

Tar big files in different directories

I have ~20 files, each about 10 GB in size, in different folders that I need to compress into a single tar. It is not practical to copy them all to one location. More precisely, the files are ...
2
votes
2answers
132 views

How can I check if a directory contains the same files of a TAR archive?

Let's say I have a folder Documents and a TAR file Documents.tar, how to check if the tar file contains the same files that are present in the directory? The more obvious solution to me would be to ...
2
votes
3answers
1k 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? ...
1
vote
1answer
244 views

How to convert tar.bz2 to .bz2?

I have a file with compression tar.bz2 , I would like to convert it to .bz2 . Is there a command that does this in one shot? I tried the below but no joy ! tar -xvjf US.tar.bz2 US bzip2: ...
0
votes
1answer
34 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 ...
1
vote
1answer
124 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 ...
1
vote
2answers
204 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- ${...
3
votes
2answers
4k views

Extrat tar “Cannot open: File name too long”

I made a tar with a directory on a remote machine with: tar -czvf I scp it to my local machine, where I wanted to untar it: tar -xzvf But I get : Cannot open: File name too long On my local ...
15
votes
2answers
649 views

Does parameter order matter with tar? [duplicate]

I am learning Linux. I was surprised to see that the parameter order seems to matter when making a tarball. tar -cfvz casual.tar.gz snapback.txt bucket.txt gives the error: tar: casual.tar.gz: ...
0
votes
1answer
447 views

bash: /usr/bin/find: Argument list too long

I have too many files in a folder. I just want my inodes to be get free as soon as possible,So I have tried with find ./EcoBackup/* -name '*.*' > FilesBackupName.txt bash: /usr/bin/find: Argument ...
1
vote
1answer
84 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 ...
0
votes
1answer
109 views

Encrypting existing tar.gz archive

I know of a method to encrypt a tar.gz archive while creating it (not sure if it's a recommend one): tar -czvf /path/to/save/archive.tar.gz -C /path/to/archive . | openssl des3 -salt -k #PASSWORD# | ...
0
votes
0answers
52 views

repack of fix tar file (containing files with similar name) with unexpected EOF

I have tar file, which is a backup from my Android 5.0 phone. The issue is that I get an unexpected EOF error. I wish to repack it. There are also several files with the same name (but different size ...
4
votes
2answers
65 views

Resumable archive

I've a need to archive some big directory structures on an NFS server. They're not likely to be needed particularly soon, if ever - they're just being retained for policy reasons. To this end, I'm ...
1
vote
2answers
53 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 ...
3
votes
2answers
130 views

create flat tar archive: ignoring all parents when adding folders

I want to add a few folders (recursively) to a new tar archive. All of the folders should be at the root level of the resulting archive. Is there any way to add all folders without their parents, and ...
2
votes
1answer
1k 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 thought it was just corrupted files but after it happened to many different programs and from different ...
10
votes
2answers
9k 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 pbzip2'...
1
vote
1answer
36 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 ...
2
votes
0answers
102 views

Backup using find and ssh to off-site server

I'm sure this has been been answered in bits and pieces on many sites, but somehow I can't seem to get this (as a whole) to work reliably. Scenario: I have a server that I would like to do ...
0
votes
2answers
55 views

I am trying for a tar call and getting the below error

I am trying to use tar and get the following error: $ tar --strip-components=1 xf /data/rvm-latest.tar.gz  tar: You must specify one of the `-Acdtrux' or `--test-label' options Try `tar --help' or `...
-1
votes
1answer
77 views

Linux backup a folder by each

I have a folder /home/software, with some sub folders /home/software/game /home/software/photo /home/software/ebook ... I want to create tar backup including the date for each sub-folder so I will ...
16
votes
4answers
2k views

tar and its key letters: is it a bug or feature?

I am wondering to ask the difference of these two commands (i.e. only the order of their options are different): tar -zxvf foo.tar.gz tar -zfxv foo.tar.gz The first one ran perfectly but the ...
0
votes
1answer
50 views

How to recover a .tar backup

I've a .tar backup, when I try to extract using below command. tar -xvf backup.tar Nothing is extracting and no errors or warning Seems like its corrupted. Is there any way to recover the .tar ...
1
vote
2answers
50 views

Remove Specific File From Tar Archival Process After the Process Starts

When tar-ing up large directories (ie. a home folder for a backup/OS reinstall), it is often okay to exclude certain large files such as multi-GB videos. However, due to the all-encompassing nature of ...
4
votes
2answers
50 views

Tar is currently reading a 2GB file, and I deleted its only link. How do I stop it from running for an eternity?

Some more information: I was backing up a large directory with tar, only there were a couple of large files there that I didn't expect. This connection is over the network and very slow, so simply ...
7
votes
5answers
3k views

force copying a corrupted home directory

I have a home directory in a disk that has a lot of corrupted files. I am trying to save most files as possible. I am trying to create a backup of my home directory on an external drive using tar -...
0
votes
1answer
110 views

change tape on the fly script

I have to write 17 Tb to tape: ssh some_host 'tar -cz /' | dd bs=20b of=/dev/tape of course 17 Tb doesn't fit to one tape so I need automatically change it when "no room" error occurs. I have ...
2
votes
3answers
266 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 ...
0
votes
1answer
53 views

Store restored files and directories in a separate directory

I have backup files in the form backup-date.tar and these files will be in a directory called backup. I am performing a restore by using tar -xvf backup-date.tar but the restored file is placed in the ...