I'm not clear on this. Do you mean a login failure? Or something else, like a network issue? What happens is specific to the error, but your question is so general I have no clue what you want.
Actually I think I was pretty clear
I am on machineA. I launch this command :
Afterwards I go on machineB. Will I be able to find any trace of this telnet attempt? If so, where ?
---------- Post updated at 07:29 AM ---------- Previous update was at 07:25 AM ----------
As a side note:
There's no communication problem between these 2 machines. I can have a succesfully telnet command from machineA to machineB on a different port. I can also ssh between these 2 machines. My only problem is when the respective process on machineB does not listen on port 80. When that happens (and I detect that woth a telnet from machineA) will I be able to find the trace of that telnet attempt on the destination machine (machineB) ?
PPS:
I do not want to find out why the telnet command fails. I only want to know how/where can I trace these failed telnet attempts on the destination machine (machineB).
Last edited by black_fender; 12-28-2012 at 08:35 AM..
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LEARN ABOUT CENTOS
grub-render-label
GRUB-RENDER-LABEL(1) User Commands GRUB-RENDER-LABEL(1)NAME
grub-render-label - generate a .disk_label for Apple Macs.
SYNOPSIS
grub-render-label [OPTION...] [OPTIONS]
DESCRIPTION
Render Apple .disk_label.
-b, --bgcolor=COLOR
use COLOR for background
-c, --color=COLOR
use COLOR for text
-f, --font=FILE
use FILE as font (PF2).
-i, --input=FILE
read text from FILE.
-o, --output=FILE
set output filename. Default is STDOUT
-t, --text=STRING
set the label to render
-v, --verbose
print verbose messages.
-?, --help
give this help list
--usage
give a short usage message
-V, --version
print program version
Mandatory or optional arguments to long options are also mandatory or optional for any corresponding short options.
REPORTING BUGS
Report bugs to <bug-grub@gnu.org>.
SEE ALSO
The full documentation for grub-render-label is maintained as a Texinfo manual. If the info and grub-render-label programs are properly
installed at your site, the command
info grub-render-label
should give you access to the complete manual.
grub-render-label (GRUB) 2.02-2ubuntu8.3 July 2018 GRUB-RENDER-LABEL(1)