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Special Forums IP Networking How do delete unwanted characters from lsof? Post 302507170 by LivinFree on Wednesday 23rd of March 2011 01:28:58 AM
Old 03-23-2011
What OS/utility version are you using?

On a GNU/Linux system, I can run this:
Code:
# lsof -Pni4 | grep -c ":22 "
2
#

In my case, I'm just counting ssh sessions. You can change ":22 " to ":1521 " for your specific need. No need to filter, extract and sort if all you want is a count.
 

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byobu-launcher-install(1)					       byobu						 byobu-launcher-install(1)

NAME
byobu-launcher-install - Byobu Launcher installation utility SYNOPSIS
byobu-launcher-install [-n|--no-logout] DESCRIPTION
byobu-launcher-install(1) is a simple utilty that will add a line to your $HOME/.profile file which launches byobu(1) any time you login through ssh(1) or on a console(4). By default, when users detach from the byobu(1) session they will also logout. Users can change this behavior by adding the [-n|--no-logout] option when they run byobu-launcher-install(1). You can disable this behavior entirely at any time with the byobu-launcher-uninstall(1) utility. SEE ALSO
screen(1), byobu(1), ssh(1), console(4), byobu-launcher-uninstall(1) http://launchpad.net/byobu AUTHOR
This manpage and the utility were written by Dustin Kirkland <kirkland@ubuntu.com> for Ubuntu systems (but may be used by others). Permis- sion is granted to copy, distribute and/or modify this document and the utility under the terms of the GNU General Public License, Version 3 published by the Free Software Foundation. The complete text of the GNU General Public License can be found in /usr/share/common-licenses/GPL on Debian/Ubuntu systems, or in /usr/share/doc/fedora-release-*/GPL on Fedora systems, or on the web at http://www.gnu.org/licenses/gpl.txt. byobu 3 Jan 2010 byobu-launcher-install(1)
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