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Linux Derrubar conexões ociosas
#!/bin/bash
###################################################
# #
# Script para matar conexoes ociosas #
# #
# Nome: LIMPANDO_CONEXAO Versao 0.2 #
# by Guilherme Moura de Souza #
# Colaboradores: Tulio.Hoffimann #
# stack_of #
# Diede #
# #
# Necessario criar o diretorio /u/log #
# #
# Recomendo rodar atraves do cron do root da #
# seguinte forma: */1 * * * * "caminho do script" #
# #
###################################################
LOG=/u/logs/"LIM_CON-"`date +%m%d`
LIMPANDO_CONEXAO() {
# Digite na frente do "=" o limete de tempo que sera permitido que a
# conexao fique ociosa "EM MINUTOS"
LIMITE=30
# Identificando o numero de conexoes
conexoes=`w -h | grep -c " "`
for L in $(seq 1 $conexoes)
do
#Definindo o PTS/* ou TTY*
PTSocioso=`w -h | grep -m $L " " | tail -1 | tr -s " " | cut -d " " -f2`
#Buscando o tempo OCIOSO
Tempocioso=`w -h | grep -m $L " " | tail -1 | tr -s " " | cut -d " " -f5`
#Verificando se alguma conexao esta acima do limite
H1=$(echo $Tempocioso | grep "m")
S=$(echo $Tempocioso | grep "s")
if [ -z $H1 ]; then
if [ -z $S ]; then
M=$(echo $Tempocioso | cut -d ":" -f1)
if [ $M -gt $LIMITE ]; then
skill -kill -v $PTSocioso >> $LOG
touch /u/COMECA_DE_NOVO
fi
fi; else
H2=$(echo $H1 | cut -d ":" -f1)
H3=$(echo $H1 | cut -d ":" -f2 | cut -d "m" -f1)
H=`awk 'BEGIN {print '$H2'*60+'$H3'}'`
if [ $H -gt $LIMITE ]; then
skill -kill -v $PTSocioso >> $LOG
touch /u/COMECA_DE_NOVO
fi
fi
done
if [ -e /u/COMECA_DE_NOVO ]
then rm -f /u/COMECA_DE_NOVO
LIMPANDO_CONEXAO
fi
}
# Iniciando Rotina e gerando LOGS
echo " ==================================== " >> $LOG
echo " Inicio da Varredura as "`date +%H:%M:%S` >> $LOG
rm -f /u/COMECA_DE_NOVO
LIMPANDO_CONEXAO
echo " Fim da Varredura as "`date +%H:%M:%S` >> $LOG
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