1. Overview – SOE Lsof v4.87
Dec 2013

2. What is SOE lsof v4.87?
UnixSOE Enterprise Suite v8.3 lsof is a Unix-specific diagnostic tool. Its name stands for List Open Files
It lists information about any files that are open by processes currently running on the system
Open files in the system include disk files, named pipes, network sockets and devices opened by all processes
list communications open by each process
Mostly for getting network connection related information from a system

3. Example of SOE Lsof v4.87 process that is using the files # lsof /var
COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME
syslogd root 5w VREG 222, /var/adm/messages
syslogd root 6w VREG 222, /var/log/syslog
cron root cwd VDIR 222, /var – atjobs
To view the port associated with a daemon:
# lsof -i -n -P | grep sendmail
sendmail root 4u IPv TCP *:25 (LISTEN)
Show us the processes opened by user apache
# lsof -u apache
Show us what files are using the process whose PID is 30297
 #  lsof +p 30297
List all opened Internet and UNIX domain files
 #  lsof -i -U

4. Example of SOE Lsof v4.87 (contd..)
List all open files by all the processes EXCEPT process with PID
# lsof -p ^1
List all network connections.
# lsof –I
Find who's using a port.
# lsof -i :25
List all NFS (Network File System) files.
# lsof –N
List all Unix domain socket files.
# lsof –U
List all files for processes with a specific group id.
# lsof -g 1234
Repeat listing files.
# lsof -r 1

5. Sun Sparc/x86-64 Architecture
SOE Lsof v4.87 Supported OS
Operating System
Version
Architecture
Sun
Solaris 8
Sun Sparc
Solaris 9
Solaris 10
Sun Sparc/x86-64 Architecture
Solaris 11.x
HP-UX
HP-UX11i
HP PA-RISC
HP-UX11i V2 (11.23)
HP PA-RISC/ HP Itanium
HP-UX11i V3 (11.31)
Aix
Aix 5.3
IBM pSeries
Aix 6.1
Aix 7.1

6. Highlights in this release of SOE lsof v4.87
Added a work-around for a missing definition of mach_port_tin Darwin 9 (Mac OS/X ).
Added support for Linux anon_inodefs
Added FreeBSD support for the oldnfs and newnfs file system types.
Corrected the reporting of process group ID for libproc versions of Mac OS X
Added ICMP socket support for Linux
Added thread support to those FreeBSD versions that have ki_numthreads in their kinfo_proc structure. This also activates the -K option for those freeBSD versions.
Added support to FreeBSD for using the clang compiler.
Added Linux support for using the getxattr() call to obtain socket protocol identification when it is can't be obtained from the /proc/net files that lsof examines.

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