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

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3
votes
2answers
49 views

In what situation would a tarball (.tgz) be almost the same size as the original

I just tarballed a dump of some websites (configs, image directory, css directory, and site content (html files etc)) using tar czf sitedump.tgz backup_folder/. The original "backup_folder" was about ...
1
vote
1answer
19 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 ...
0
votes
0answers
41 views

Terminal freezes after using tar or gz

On Linux within bash the Pseudo Terminal window (terminator) as well as the Terminal itself "freezes" when trying to use autocomplete (TAB) as well as after getting an error message using gzip and ...
3
votes
3answers
5k 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 ...
5
votes
2answers
905 views

How to download an archive and extract it without saving the archive to disk?

I'd like to download, and extract an archive under a given directory. Here is how I've been doing it so far: wget http://downloads.mysql.com/source/dbt2-0.37.50.3.tar.gz tar zxf dbt2-0.37.50.3.tar.gz ...
7
votes
2answers
97 views

How to convince tar (etc.) to archive block device contents?

I have six Linux logical volumes that together back a virtual machine. The VM is currently shutdown, so its easy to take consistent images of them. I'd like to pack all six images together in an ...
1
vote
1answer
38 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.
0
votes
1answer
22 views

How to add specific directory for a file during tar file generation?

When I create a .tar file using the tar command, what option do I need to use to add a specific directory hierarchy to the file? For example: Test_File.tar |__ MAIN |__ SUB1 ...
0
votes
1answer
37 views

gtar fails to perform incremental backup

The following script fails to perform incremental backup, but creates full backup instead. On another FreeBSD server exactly same script works just fine (creating incremental backups). Servers are ...
1
vote
4answers
315 views

tar exits on “Cannot stat: No such file of directory”, why?

I'm trying to create tar.gz file using the following command: sudo tar -vcfz dvr_rdk_v1.tar.gz dvr_rdk/ It then start to create files (many files in folder), but then I get the following error: ...
5
votes
3answers
7k 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 ...
1
vote
1answer
22 views

Lynx is trying to unzip my downloads

I am having a problem with the Lynx text browser. When I try to download a some tar.gz files, Lynx is not downloading it. It is putting it in a tmp directory and then trying to unpack it with the ...
-2
votes
0answers
22 views

How to manually remove GCC (without package manager) on Mac OS X Mavericks

I would like to completely remove GCC from my Mac OS X Mavericks system. The problem is I have installed it manually without a package manager. I have tried to list all files from the GCC tar archive ...
0
votes
2answers
35 views

untar specific file to present date in linux [closed]

I am using Centos and I am installing one Debian application with multiple-instance. I have created 3 multiple-instance successfully and it is running good. Because of Debian application, the ...
2
votes
2answers
703 views

Test tar file integrity in bash

I have a bash script that creates a '.tar' file. Once the file is created, I would like to test its integrity and send an email to the root user if the integrity is bad. I know I would need to use ...
2
votes
1answer
32 views

Tar actions not working as intended

I have a huge uncompressed tar file (1 tb) and I want to check it, therefore I am trying to extract it to see if everything goes well. Since it is going to take a long time, I'd like to have some info ...
6
votes
2answers
166 views

Is there a way to convert a zip to a tar without extracting it to the filesystem?

Is there a way to convert a zip archive to a tar archive without extracting to a temporary directory first? (and without writing my own implementation of tar or unzip)
1
vote
4answers
74 views

Why can't tar extract .zip files? [closed]

I tried a majority of the formats (gzip, etc.) to extract a zip file with tar, and when I became frustrated enough to Google for it, I found no way to extract a zip file with tar and only ...
0
votes
3answers
55 views

How do you view a sql.gz file as plain text SQL from the command line?

How do you view a sql.gz file as plain text SQL from the command line? I want to read the SQL statements stored in a .sql.gz file, from the command line on the server. I've tried tar -xzvf, but get ...
2
votes
3answers
135 views

How do I use gunzip and tar to extract my tar.gz file to the specific directory I want?

When I run gunzip -dc /path_to_tar.gz_file/zip1.tar.gz | tar xf - in the directory where the tar.gz file is located, it extracts just fine. How do I tell it to place the contents from the tar.gz file ...
0
votes
1answer
59 views

Encrypting and compressing

Is there a better way to compress and then encrypt files other than tar followed by openssl or gpg?
2
votes
0answers
71 views

debootstrap terminates partway through with “stdin: not in compressed format”

I'm on an Arch GNU/Linux system, fully up-to-date (both official repositories and from the AUR). I'm attempting to install a copy of Debian Wheezy so that I can chroot into it and work with the ...
1
vote
2answers
51 views

Create a tar archive of the current directory without preceding period

When I do the following: tar czvf ../myarchive.tar.gz ./ I get a single (annoying) root folder in my tar archive: How do I remove this awful period when creating the archive?
12
votes
2answers
43k views

Can I zip an entire folder using gzip?

I'm trying to zip a folder in unix. Can that be done using the gzip command?
5
votes
3answers
210 views

Multiple tar processes writing to the same archive file at once

I am running many tasks on a Linux cluster. Each task creates many output files. When all tasks are finished, I run something like tar cf foo.tar output_files/to create a tar archive. This is a very ...
6
votes
6answers
11k views

How can i view the contents of a tar.gz file (filenames + filesize)

I cannot use tar -tz as the solaris version I'm using does not accept the -z option. I tried something like gunzip file.tar.gz | tar -tv but that only gives: tar: /dev/rmt/0: No such file or ...
2
votes
0answers
117 views

tar: /dev/st0: Cannot write: Input/output error

When we attempt to use tar to write data to an LTO-5 tape, we get the following error. The device starts to write, and then fails. See the tar command and output, followed by the dmesg output. I ...
2
votes
2answers
72 views

How to extract a single file from tbz

I have the following archived directory: itunes20140618.tbz I want to extract single file from it called: itunes20140618/video How would I do this? So far, I am doing $ bzip2 -d ...
-1
votes
2answers
29 views

Does tar create new inodes to be archived?

When tar is asked to archive a directory, does it create a new inode for each file system object? If yes, how does it query and save the meta-data? Won't the format of storing this inode metadata vary ...
1
vote
1answer
28 views

Un-archiving single file hanging

I am trying to unarchive a very large directory. Here is what works to untar the entire thing: $ sudo tar -xjf itunes20140618.tbz --verbose x itunes20140618/ x itunes20140618/genre_artist x ...
1
vote
1answer
78 views

unable to back-up data from android tablet to laptop using tar!

I'm using tar to back-up data from my android tablet to laptop. But it is showing some error. ravbholua@ravbholua-Aspire-5315:/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/9$ tar -cvf ...
3
votes
1answer
83 views

Compose and pipe a gzipped tar archive in one go

I'm trying to come up with an effective way to create a gzipped archive of various system partitions on Android, piping everything out to stdout so as to be able to encrypt it as it comes across via ...
2
votes
2answers
737 views

How do I dereference links when extracting from a tar file?

If I have a tar file, bob.tar, which contains real_file and link_to_real_file, in which the latter is a symlink, is there a way to extract the contents of bob.tar so that link_to_real_file will not be ...
5
votes
3answers
2k views

How store in a variable a file list that includes the backslash when needed?

Main question: I am writing a script to perform a backup. I make a list of files in the following way: LISTOFFILES=$(find ~ \( -name '*.[pP][dD][fF]' -o -name '*.[oO][dD][tT]' \)) The variable ...
1
vote
2answers
71 views

tar compression without directory structure

Under my current directory, I have two sub-directories: dir_1/ - file1.png - file2.png ... - fileN.png dir_2/ - fileA.txt - ... - fileZ.txt When I tar compress the two ...
4
votes
3answers
12k views

How to copy between two remote hosts using tar piped into SSH from remote server when behind a firewall?

I'd like to transfer a directory between two servers, but compress the directory on the remote host before transfer, and then uncompress to another host. I'm sure it's possible to pipe everything all ...
1
vote
3answers
700 views

Bash script for automatic tar backup of chosen files and directories

Within a given directory in linux environment, I need to pick all files modified after a certain date (let's say 7 days) as well as all directories (only in root directory, hence non recursively) ...
2
votes
0answers
37 views

How can I capture a consistent snapshot of a directory and all its children?

We have an application that periodically backs itself up to a directory on the local file system. Inside this directory are several more files and directories. I want to produce a "snapshot" of all ...
0
votes
1answer
36 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 ...
5
votes
4answers
4k views

Preventing tar from using too much CPU and disk (old laptop crashes if 100%)

I want to backup 1 terabyte of data to an external disk. I am using this command: tar cf /media/MYDISK/backup.tar mydata PROBLEM: My poor laptop freezes and crashes whenever I use 100% CPU or 100% ...
5
votes
2answers
65 views

How to backup dir structure ignoring files & dirs without read permission

Any ideas how to back up a directory structure for which there are some files and/or directories for which you do not have permission to read? I'd like to just ignore those, without backup (tar? jar?) ...
2
votes
0answers
57 views

Corrupt files after extracting with Cygwin's GNU tar

I have a bunch of tarball backups which I just restored onto my new Windows 8.1 + Cygwin system using GNU tar: zsh$ for file in **/*.tgz; do tar xvzf $file; done To my surprise a lot of these ...
0
votes
0answers
92 views

Archive (Compress) giant folder in Linux using command line without termination

Well, I'm just trying to compress a whole directory (infact giant!) under Linux using a terminal. The entire folder size is about 7 GB. I've used below command to create the archive. tar -zcvf ...
18
votes
1answer
19k views

How do you extract a single folder from a large tar.gz archive?

I am using this command on a 5GB archive tar -zxvf archive.tar.gz /folder/in/archive is this the correct way to do this? It seems to be taking forever with no command line output...
1
vote
1answer
217 views

Why am I getting an error: “Failed to open '/dev/st0'” when extracting an archive with bsdtar?

I installed bsdtar from source (from the libarchive website) because I could not find an rpm nor a package in yum. I'm able to see bsdtar's help message. For example: $ bsdtar --help First option ...
0
votes
0answers
72 views

TAR not excluding directories with date pattern

I've written this small script: #!/bin/bash TODAY=`date --rfc-3339=date` CHECKDATE=`date --date "2 days ago" --rfc-3339=date` FILENAME=$TODAY-package.tar tar cvf $FILENAME --no-recursion ...
2
votes
2answers
59 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 ...
0
votes
4answers
289 views

Why does this shell script fail in bash, but the commands work in SSH?

I'll first admit to being quite the noob in Linux/SSH/etc. What I'm trying to write is a shell script that will back up a website and all the MySQL DBs that support it. I found examples all over the ...
1
vote
1answer
106 views

untar specific directory

tar tvf filename.tar gives me: -rwxrwxrwx 0/0 544795 2010-03-15 12:49 35 WOO WORDPRESS THEMES/bloggingstream.zip -rwxrwxrwx 0/0 1659095 2010-03-15 12:51 35 WOO WORDPRESS ...
1
vote
2answers
38 views

remove files after insertion into tarball

I want to limit the number of files that get put into a tar ball and erease them after they've been inserted into the tarball and being indipendent from the current directory. I've tried this: tar -C ...