Commands tagged iso9660 (5)

  • Writes hybrid ISO directly to USB stick; replace /dev/sdb with USB device in question and the ISO image link with the link of your choice


    4
    wget -O /dev/sdb https://cdimage.ubuntu.com/daily-live/current/eoan-desktop-amd64.iso
    realkstrawn93 · 2019-09-19 04:03:13 22
  • You might want to check what file and directory names would be renamed or chopped if you create iso 9660 level 2 image out of them. Use this command to check first. Show Sample Output


    1
    find . -regextype posix-extended -not -regex '.*/[A-Za-z_]*([.][A-Za-z_]*)?'
    zhangweiwu · 2010-06-25 00:27:09 0
  • "Vice versa xorriso is able to copy file objects out of ISO 9660 filesystems." -- http://www.gnu.org/software/xorriso/ Show Sample Output


    0
    xorriso -osirrox on -indev /tmp/pmagic-6.7.iso -report_about NOTE -extract / /tmp/extractedfiles
    pdurbin · 2012-05-26 10:48:59 2
  • The comp.unix.shell posting by St?phane Chazelas also lists the following offsets: type 32768 (1 byte) id 32769 (5 bytes) version 32774 (1 byte) system_id 32776 (32 bytes) volume_id 32808 (32 bytes) volume_space_size 32848 (8 bytes) escape_sequences 32856 (32 bytes) volume_set_size 32888 (4 bytes) volume_sequence_number 32892 (4 bytes) logical_block_size 32896 (4 bytes) path_table_size 32900 (8 bytes) type_l_path_table 32908 (4 bytes) opt_type_l_path_table 32912 (4 bytes) type_m_path_table 32916 (4 bytes) opt_type_m_path_table 32920 (4 bytes) root_directory_record 32924 (34 bytes) volume_set_id 32958 (128 bytes) publisher_id 33086 (128 bytes) preparer_id 33214 (128 bytes) application_id 33342 (128 bytes) copyright_file_id 33470 (37 bytes) abstract_file_id 33507 (37 bytes) bibliographic_file_id 33544 (37 bytes) creation_date 33581 (17 bytes) modification_date 33598 (17 bytes) expiration_date 33615 (17 bytes) effective_date 33632 (17 bytes) file_structure_version 33649 (1 byte) application_data 33651 (512 bytes)


    0
    dd if=/dev/cdrom bs=1 skip=32808 count=32 conv=unblock cbs=32 2>/dev/null
    mlk · 2013-04-14 20:50:58 0
  • Some of us have both Macs *and* Linux machines — so it makes sense to know how to run this command on the former in the event that a botched reinstallation renders the latter unbootable.


    -1
    sudo curl -L -o /dev/disk4 https://some-distributor.org/some-distro.iso
    realkstrawn93 · 2022-06-20 17:25:39 41

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ignore .DS_Store forever in GIT
With a couple of little commands, you?ll be able to ignore the .DS_Store files forever from your git repositories on mac! The following command will add the .gitignore file to the git configuration git config --global core.excludesfile ~/.gitignore then, the following, will add the .DS_Store to the list echo .DS_Store >> ~/.gitignore

Get all files of particular type (say, PDF) listed on some wegpage (say, example.com)
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Show DeviceMapper names for LVM Volumes (to disambiguate iostat logs, etc)
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Combines an arbitrary number of transparent png files into one file
This one liner; combines all sequentially numbered files; in this example IMG_0001.png to IMG_1121.png by generating the shell script, making the shell script executable and then running the shell script to combine the 1121 png into a single png file named _final.png tested on Mac OS X 10.6.3 with ImageMagick 6.5.8-0 2009-11-22 Q16 http://www.imagemagick.org

Retrieve top ip threats from http://isc.sans.org/sources.html and add them into iptables output chain.
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Remove all HTML tags from a file

View all date formats, Quick Reference Help Alias
If you have used bash for any scripting, you've used the date command alot. It's perfect for using as a way to create filename's dynamically within aliases,functions, and commands like below.. This is actually an update to my first alias, since a few commenters (below) had good observations on what was wrong with my first command. # creating a date-based ssh-key for askapache.github.com $ ssh-keygen -f ~/.ssh/`date +git-$USER@$HOSTNAME-%m-%d-%g` -C 'webmaster@askapache.com' $ # /home/gpl/.ssh/git-gplnet@askapache.github.com-04-22-10 # create a tar+gzip backup of the current directory $ tar -czf $(date +$HOME/.backups/%m-%d-%g-%R-`sed -u 's/\//#/g'

Find and display most recent files using find and perl
This pipeline will find, sort and display all files based on mtime. This could be done with find | xargs, but the find | xargs pipeline will not produce correct results if the results of find are greater than xargs command line buffer. If the xargs buffer fills, xargs processes the find results in more than one batch which is not compatible with sorting. Note the "-print0" on find and "-0" switch for perl. This is the equivalent of using xargs. Don't you love perl? Note that this pipeline can be easily modified to any data produced by perl's stat operator. eg, you could sort on size, hard links, creation time, etc. Look at stat and just change the '9' to what you want. Changing the '9' to a '7' for example will sort by file size. A '3' sorts by number of links.... Use head and tail at the end of the pipeline to get oldest files or most recent. Use awk or perl -wnla for further processing. Since there is a tab between the two fields, it is very easy to process.


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