Commands by dr_gogeta86 (4)

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Print text string vertically, one character per line.
Define a function $ vert () { echo $1 | grep -o '.'; } Use it to print some column headers $ paste

Create a mirror of a local folder, on a remote server
Create a exact mirror of the local folder "/root/files", on remote server 'remote_server' using SSH command (listening on port 22) (all files & folders on destination server/folder will be deleted)

Execute a command at a given time

Stamp a text line on top of the pdf pages.
To quickly add some remark, comment, stamp text, ... on top of (each of) the pages of the input pdf file.

Start dd and show progress every X seconds
Adjust "sleep X" to your needs. *NOTE: First sleep is required because bash doesn't have a "post-test" syntax (do XXX while).

Count number of files in a directory
Just want to post a Perl alternative. Does not count hidden files ('.' ones).

cpu process limitation for specific processname like java,kibana
apt-get install cpulimit

Doing some floating point calculations with rounding (e.g. at the 3rd decimal)

floating point operations in shell scripts
using bc is for sissies. dc is much better :-D Polish notation will rule the world...

List files with full path
Prints contents of current directory with the full path prepended to each entry. You can add '-type f' if you don't want the directories to show up (for those less familiar with find). I can't believe ls doesn't have an option for this.


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