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

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7
votes
3answers
6k views

Tar a folder without .git files?

If I tar a folder that is a git repository, can I do so without including the .git related files? If not, how would I go about doing that via a command?
13
votes
9answers
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 ...
0
votes
1answer
32 views

How to issue a tar command when you restore your system

I've recently created a tarball backup of my Ubuntu system (/ and /home partitions both ext4). When I was creating a backup I booted off Live DVD and I used a tar command. Now I wonder which would be ...
3
votes
3answers
1k 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 ...
0
votes
1answer
40 views

“a” showing up with files during tar archiving

While I'm archiving the file in my local system, I see an "a" at the beginning of the files while compressing. tar -zcvf database.tgz database/ a database a database/GeoIP2-City.mmdb a ...
-1
votes
2answers
26 views

How to create a tar of directory structure

I want to copy the directories into another server; however don't need to copy the files of the directories. So a tar of empty directories is the one that I am looking for.
10
votes
3answers
1k 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 ...
2
votes
3answers
326 views

AIX tar error: There is not enough memory available now

I have an AIX P720 server running AIX 5.3. When running tar -xvf /dev/rmt0 extracting from tape (IBM TS3100 Tape Library), I get the following error: "There is not enough memory available now". It ...
0
votes
1answer
42 views

How to “Find” then “Rsync” then “Tar/gz” on destination host?

I have a Cassandra node with snapshots broken up into 64 directories with over 350 files per directory. I want to "find" all snapshot files, preserve their location, rsync them across to a host with ...
1
vote
0answers
20 views

Tar waiting a long time at end of block device

I had some trouble getting Linux installed to a particular netbook and had to restart it from scratch multiple times. Re-typing the same commands to set up networking and bootstrap the install was ...
23
votes
6answers
14k views

Is there a parallel file archiver (like tar)?

Is there something out there for parallel archiving of files? Tar is great, but I don't use tape archives, and it's more important to me that the archiving happens quickly (with compression like ...
1
vote
0answers
34 views

How to 'snapshot' a chroot?

I want to perform something similar to a 'clone' on vmware fusion/virtualbox/a VM manager. Host and chroot are both ubuntu. One complicating factor may be that this chroot may have one or more child ...
0
votes
0answers
67 views

How to make tar to ignore last-modified-time of files/directories

I'm using tar to backup a directory. Some files/directories' last-modified-time will be updated but the content remains. I would like to get a tarball with the binary if the directory files' content ...
0
votes
1answer
26 views

Not able to see the backed up file in the backed up media

I used 2 commands cpio and tar to perform the same operation of backing up data to an external drive which is my 8Gb pen drive (sandisk brand). At the time of executing the commands, it outputs ...
0
votes
2answers
25 views

Does the untarred folder overwrites or appends the contents of the original folder? [duplicate]

I have a x.tar.gz as a backup which has the following contents: .htaccess a.html b.html c.html x.html I have also a ./x directory, already existing, which has the following contents: .htaccess ...
6
votes
3answers
441 views

tar extraction also automatically decompresses

When I run tar -cvzf archive.tgz file1 file2 ; rm file1 file2 it normally creates a compressed tarball, but how is it possible that tar -xvf archive.tgz gives me back the uncompressed files? ...
3
votes
2answers
118 views

Make Tar Incremental Backups into One Backup?

Well, I know this question is quite strange. I have done a lot of incremental backups. Now the total file size gets too large, because there are a lot of duplicate files with similar contents, and ...
0
votes
2answers
96 views

tar “--exclude-from” double star wildcard

I wrote a backup script on my Debian 8 system which uses tar command with "--exclude-from" to exclude some files/dir. This works great, but today I would like to exclude some files sharing the same ...
0
votes
1answer
33 views

Compress mtdblock with 'tar' before sending it via TFTP

what is proper command compress mtdblock with 'tar' before sending it via TFTP? tftp -l /dev/mtdblock3 -p 192.168.100.40
0
votes
1answer
35 views

Tar files in order

I am taring files using this script tar -cvf test.tar -C /home/user/Desktop/filestoTar File_one zap_file tar -rvf test.tar -C /home/user/Downloads/test Auto_file rocket_file And I want to untar ...
63
votes
7answers
44k 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. ...
1
vote
4answers
77 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
518 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 ...
4
votes
1answer
1k 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
60 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
63 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 ...
21
votes
4answers
54k 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
33 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
49 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
11k 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
42 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
43 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
44 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
35 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
218 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 ...
20
votes
3answers
38k 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
78 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
376 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
75k 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
78 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
109 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? ...
10
votes
3answers
13k 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 ...
1
vote
1answer
786 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
171 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
110 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
165 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 ...