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Commands tagged xz (4)

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Create a tar archive using xz compression

Compress files or a directory to xz format. XZ has superior and faster compression than bzip2 in most cases. XZ is superior to 7zip format because it can save file permissions and other metadata data.
This is sample output - yours may be different.
1

tar -cJf myarchive.tar.xz /path/to/archive/

Sepero · 2014-03-13 03:34:18 7
Create a tar archive using xz compression

compress directory archive with xz compression, if tar doesn't have the -J option (OSX tar doesn't have -J)
This is sample output - yours may be different.
1

tar -cvf - /path/to/tar/up | xz - > myTarArchive.tar.xz

razerwolf · 2014-03-18 19:51:50 8
have tar decide compression based on filename

the -a flag causes tar to automatically pick the right compressor to filter the archive through, based on the file extension. e.g. "tar -xaf archive.tar.xz" is equivalent to "tar -xJf archive.tar.xz" "tar -xaf archive.tar.gz" is equivalent to "tar -xzf archive.tar.gz" No need to remember -z is gzip, -j is bzip2, -Z is .Z, -J is xz, and so on :)
This is sample output - yours may be different.
0

tar -caf some_dir.tar.xz some_dir

thetrivialstuff · 2011-06-09 19:00:06 4
Parallel XZ with progress bar

You need: pxz for the actual work (http://jnovy.fedorapeople.org/pxz/). The function could be better with better multifile and stdin/out support.
This is sample output - yours may be different.
0

function xzv() { THREADS=`grep processor /proc/cpuinfo | wc -l`; for file in $*; do pv -s `stat -c%s $file` < $file | pxz -q -T $THREADS > $file.xz ; done; }

oernii2 · 2011-12-14 08:22:08 6

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Lookup your own IPv4 address

List all users and groups

Find Duplicate Files (based on MD5 hash)

Calculates md5 sum of files. sort (required for uniq to work). uniq based on only the hash. use cut ro remove the hash from the result.

sort the output of the 'du' command by largest first, using human readable output.

In this case I'm just grabbing the next level of subdirectories (and same level regular files) with the --max-depth=1 flag. leaving out that flag will just give you finer resolution. Note that you have to use the -h switch with both 'du' and with 'sort.'

VIM: Replace a string with an incrementing number between marks 'a and 'b (eg, convert string ZZZZ to 1, 2, 3, ...)

clone an USB stick using dd + see its process

The following command will clone usb stick inside /dev/sdc to /dev/sdd Double check you got the correct usb sticks (origional-clone)with fdisk -l.

Which processes are listening on a specific port (e.g. port 80)

swap out "80" for your port of interest. Can use port number or named ports e.g. "http"

Which processes are listening on a specific port (e.g. port 80)

swap out "80" for your port of interest. Can use port number or named ports e.g. "http"

list all opened ports on host

install all archive file type apps in ubuntu

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