Primeiramente olá, meu nome é Matheus Ferreira, analista de sistemas, especialista em GNU/Linux. Criei este script para meu uso e resolvi postar aqui no VOL.

O script executa a atualização do sistema, exclusão de pacotes antigos e que não estão sendo mais utilizados, e ao final limpa a memória cache e swap, por isso dei o nome para ele de Otimizador. Uso ele constantemente para deixar meu sistema atualizado e memórias limpas. Aproveitem!

• Download atualiza_otimiza.sh
• Enviar nova versão

Esconder código-fonte

#!/bin/bash
#################################################################
# sistema - Atualiza seu ubuntu/Debian                          #
# Autor: Matheus Ferreira Cardoso                               #
# M-Unix                                                        #
# Email: munix.root@gmail.com                                   #
#################################################################

# -y - assume `sim' para todas as perguntas

dialog                                            \
   --title 'Vamos atualiza/Otimizar'                             \
   --msgbox 'Bem vindo ao cclenner LINUX.'  \
   6 40

t=0;
while [ $t -lt 100 ];
do t=$[t+1];
echo $t;sleep .1;
done\
| dialog --gauge "Otimizando Aguarde........." 6 75

apt-get update -y # Atualizar a lista de pacotes
apt-get upgrade -y # Efetua a atualização
apt-get upgrade -f -y
apt-get -f install # Corrigir problemas de dependências, concluir instalação de pacotes pendentes e outros erros
apt-get autoremove -y # Remover pacotes instalados automaticamente e que não tem mais nenhuma utilidade para o sistema
apt-get autoclean -y # Remover pacotes antigos ou duplicados
apt-get clean -y # Remove arquivos inúteis do cache, onde registra as cópias das atualizações q são instaladas pelo gerenciador de pacotes
apt-get -f remove -y # Remover pacotes com problemas

echo "##############################################################"
echo "######################### AGUARDE ############################"
echo "##############################################################"

sleep 4

#Limpar o cache da memoria RAM
MEM1=`free|awk '/Mem:/ {print int(100*$3/$2)}'`
free -m
echo "##########################################################################"
echo "Memória RAM Usada antes de fazer a limpeza:" $MEM1%
echo "##########################################################################"
echo " "
echo "LIMPANDO MEMORIA --- RAM ---"
sleep 3
sync
echo 3 > /proc/sys/vm/drop_caches
echo "LIMPANDO MEMORIA SWAP..."
sleep 4
swapoff -a
swapon -a
echo "##########################################################################"
MEM2=`free|awk '/Mem:/ {print int(100*$3/$2)}'`
free -m
echo "##########################################################################"
echo "Uso de memória RAM após a limpeza:" $MEM2% "Economia de: " `expr $MEM1 - $MEM2`"%"
echo "##########################################################################"

dialog                                         \
   --title 'Aguarde'                           \
   --sleep 5                                   \
   --infobox '\nFinalizando em 5 segundos...'  \
   0 0

exit

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