commit some utils

web/ipcs_check.sh

+#!/bin/sh
+
+# See also /etc/sysctl.d/ipcs
+
+# http://help.directadmin.com/item.php?id=572
+
+EMAIL=lav@etersoft.ru
+MAX_SEMAPHORES=30
+
+IPCS=/usr/bin/ipcs
+IPCRM=/usr/bin/ipcrm
+MAIL=/bin/mail
+
+COUNT=`${IPCS} | grep apache | wc -l`
+
+if [ "$COUNT" -le $MAX_SEMAPHORES ]; then
+       #all is well, there are no semaphore build-ups.
+       exit 0
+fi
+
+#we have more than MAX_SEMAPHORES, so clear them out and restart Apache.
+
+for i in `${IPCS} | grep apache | awk '{print $2}'` ; do
+       ${IPCRM} -s $i
+done
+
+serv httpd2 restart
+
+TXT="${COUNT} semaphores cleared for apache for `hostname`"
+echo "${TXT}" | ${MAIL} -s "${TXT}" ${EMAIL}

web/tr_log_who.sh

+sed -e "s| .*||g" <$1 | sort | uniq -c | sort -n >$1.uniq
+
+tail -n 20 $1.uniq | while read n ip ; do
+    echo $n $ip $(resolve $ip 2>/dev/null)
+done
+