02-07-2007
Bad Substitution
Need Help... I am getting a bad substitution error on my script on a Solaris Server. However the script has been proven to work on HPUX and Solaris servers...
#!/usr/bin/sh
#
# Set the location of the tzupdater.jar file
#
JAR=/tmp/tzupdater.jar # <<<<< UPDATE THIS LINE >>>>>
#
# Clear out log files if they exist
if [[ -f /tmp/${0##*/}.all_javas ]]; then
rm -f /tmp/${0##*/}.all_javas
fi
if [[ -f /tmp/${0##*/}.old_javas ]]; then
rm -f /tmp/${0##*/}.old_javas
fi
if [[ -f /tmp/${0##*/}.cur_javas ]]; then
rm -f /tmp/${0##*/}.cur_javas
fi
# Find all the files named java on the system
# and save the list in a log of all java files
find / -fstype nfs -prune -o -fstype autofs -prune -o -name java -type f -print -o -name java -type l -print | tee /tmp/${0##*/}.all_javas | \
while read JAVA; do
exec 2>/dev/null # Ignore error messages
$JAVA -version >/dev/null 2>/dev/null # Check how java responds
if (( $? == 0 )); then # If RC=0, it is vaid
# Find out the version of Java this is
VERSION=$($JAVA -version 2>&1 | awk 'NR==1 {print substr($3,4,1)}')
if (( $VERSION > 3 )); then
# If the version is greater than 1.3, go ahead and update it
print "$($JAVA -version 2>&1 | awk 'NR==1 {print $3}')\t$JAVA" >> /tmp/${0##*/}.cur_javas # Save list of current Javas
# Check whether this java has been updated or not
$JAVA -jar $JAR -t >/dev/null 2>&1
if (( $? > 0 )); then # If not updated, update it
print "Updating $JAVA"
$JAVA -jar $JAR -u
else # Otherwise, print a message already updated
print "$JAVA already updated"
fi
else # This cmd is an old version of Java
print "$($JAVA -version 2>&1 | awk 'NR==1 {print $3}')\t$JAVA" >> /tmp/${0##*/}.old_javas # Save list of old Javas
fi
fi
done
#
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LEARN ABOUT DEBIAN
btraceback
BTRACEBACK(1) Network backup, recovery and verification BTRACEBACK(1)
NAME
btraceback - wrapper script around gdb and bsmtp
SYNOPSIS
btraceback /path/to/binary pid
DESCRIPTION
btraceback is a wrapper shell script around the gdb debugger (or dbx on Solaris systems) and bsmtp, provided for debugging purposes.
USAGE
btraceback is called by the exception handlers of the Bacula daemons during a crash. It can also be called interactively to view the cur-
rent state of the threads belonging to a process, but this is not recommended unless you are trying to debug a problem (see below).
NOTES
In order to work properly, debugging symbols must be available to the debugger on the system, and gdb, or dbx (on Solaris systems) must be
available in the $PATH.
If the Director or Storage daemon runs under a non-root uid, you will probably need to be modify the btraceback script to elevate privi-
leges for the call to gdb/dbx, to ensure it has the proper permissions to debug when called by the daemon.
Although Bacula's use of btraceback within its exception handlers is always safe, manual or interactive use of btraceback is subject to the
same risks than live debugging of any program, which means it could cause Bacula to crash under rare and abnormal circumstances. Conse-
quently we do not recommend manual use of btraceback in production environments unless it is required for debugging a problem.
ENVIRONMENT
btracback relies on $PATH to find the debugger.
FILES
/usr/lib/bacula/btraceback
The script itself.
/usr/sbin/btraceback
symbolic link to /usr/lib/bacula/btraceback
/etc/bacula/scripts/btraceback.gdb
the GDB command batch used to output a stack trace
AUTHOR
This manual page was written by Lucas B. Cohen <lbc@members.fsf.org>
SEE ALSO
bsmtp(1)
Kern Sibbald 6 December 2009 BTRACEBACK(1)