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Top Forums Shell Programming and Scripting Piping the "script" command through the logger command. Post 302852833 by woodson2 on Thursday 12th of September 2013 01:01:54 PM
Old 09-12-2013
Piping the "script" command through the logger command.

I use the snippet below in /etc/profile on RHEL Linux to capture command line logging and it all works well and good.

Now I'd like to pipe the same output from script through the logger command so it all gets logged to syslog.

The only additional code I've added is in bold below (| bin/logger).

This works as expected sans one issue, albeit a major one. My terminal session is blank as if nothing is being typed, however if I type commands I can see them being logged and if I type exit my session closes. I tried a nohup and & to see if that would help but it does not. I'm wondering why I can no longer see anything on my tty.

This is what my putty session looks like. So I have a fully functional session but I can't see any output.
[user@test1 ~]$ ssh cxxx
user@test1's password:
Last login: Thu Sep 12 09:56:01 2013 from 10.x.x.x



Code:
if [ -z $PS1 ]
  then
    echo "" > /dev/null
  else
    DATE="/bin/date"  SCRIPT="/usr/bin/script"
    LOGBASE="/log/cmdline_logs"
       if [ -d "${LOGBASE}" ]; then
           TIMESTAMP="$( ${DATE} +%Y%m%d%H%M%S )"
           LOGFILE="${LOGBASE}/${HOSTNAME}_${USER}_${TIMESTAMP}"
           umask 077
           [[ "${SHELL}" = "/bin/bash" && -e "${HOME}/.bash_profile" ]] && . ${HOME}/.bash_profile
           ${SCRIPT} -f -q ${LOGFILE}.log | /bin/logger
           [[ "${SHELL}" = "/bin/bash" && -e "${HOME}/.bash_logout" ]] && . ${HOME}/.bash_logout
           exit
       fi
  
fi


Last edited by woodson2; 09-12-2013 at 02:09 PM..
 

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LOGGER(1)						    BSD General Commands Manual 						 LOGGER(1)

NAME
logger -- make entries in the system log SYNOPSIS
logger [-is] [-f file] [-p pri] [-t tag] [message ...] DESCRIPTION
Logger provides a shell command interface to the syslog(3) system log module. Options: -i Log the process id of the logger process with each line. -s Log the message to standard error, as well as the system log. -f file Log the specified file. -p pri Enter the message with the specified priority. The priority may be specified numerically or as a ``facility.level'' pair. For example, ``-p local3.info'' logs the message(s) as informational level in the local3 facility. The default is ``user.notice.'' -t tag Mark every line in the log with the specified tag. message Write the message to log; if not specified, and the -f flag is not provided, standard input is logged. The logger utility exits 0 on success, and >0 if an error occurs. EXAMPLES
logger System rebooted logger -p local0.notice -t HOSTIDM -f /dev/idmc SEE ALSO
syslog(3), syslogd(8) STANDARDS
The logger utility conforms to IEEE Std 1003.2-1992 (``POSIX.2''). 4.3 Berkeley Distribution June 6, 1993 4.3 Berkeley Distribution
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