Update motd with avalaible package.

motd-update.cron

#!/bin/bash
#
# CentOS Logo based on https://gist.github.com/Redoubts/6654575
#

# Colors
YELLOW="\e[1;33m"
GREEN="\e[1;32m"
BLUE="\e[1;34m"
PURPLE="\e[1;35m"
RESET="\e[0m"
BOLD="\e[1m"

# Yum
UPDATES_COUNT=$(yum -d 0 check-update | grep -v "^$" | wc -l)

# Settings
MOTD=/etc/motd

echo '' > ${MOTD}
echo -e "${YELLOW}                 .." >> ${MOTD}
echo -e "${YELLOW}               .PLTJ." >> ${MOTD}
echo -e "${YELLOW}              <><><><> " >> ${MOTD}
echo -e "     ${GREEN}KKSSV' 4KKK ${YELLOW}LJ${PURPLE} KKKL.'VSSKK" >> ${MOTD}
echo -e "     ${GREEN}KKV' 4KKKKK ${YELLOW}LJ${PURPLE} KKKKAL 'VKK${RESET}       Welcome to ${BOLD}$(hostname)${reset}" >> ${MOTD}
echo -e "     ${GREEN}V' ' 'VKKKK ${YELLOW}LJ${PURPLE} KKKKV' ' 'V${RESET}       This system is running ${BOLD}$(cat /etc/redhat-release)${reset}" >> ${MOTD}
echo -e "     ${GREEN}.4MA.' 'VKK ${YELLOW}LJ${PURPLE} KKV' '.4Mb.${RESET}       Updates available: ${BOLD}${UPDATES_COUNT}${reset}" >> ${MOTD}
echo -e "${PURPLE}   . ${GREEN}KKKKKA.' 'V ${YELLOW}LJ${purple} V' '.4KKKKK ${BLUE}." >> ${MOTD}
echo -e "${PURPLE} .4D ${GREEN}KKKKKKKA.'' ${YELLOW}LJ${purple} ''.4KKKKKKK ${BLUE}FA." >> ${MOTD}
echo -e "${PURPLE}+QDD ++++++++++++  ${BLUE}++++++++++++ GFD+" >> ${MOTD}
echo -e "${PURPLE} 'VD ${BLUE}KKKKKKKK'.. ${GREEN}LJ ${YELLOW}..'KKKKKKKK ${blue}FV'" >> ${MOTD}
echo -e "${PURPLE}   ' ${BLUE}VKKKKK'. .4 ${GREEN}LJ ${YELLOW}K. .'KKKKKV ${blue}'" >> ${MOTD}
echo -e "     ${BLUE} 'VK'. .4KK ${GREEN}LJ ${YELLOW}KKA. .'KV'" >> ${MOTD}
echo -e "     ${BLUE}A. . .4KKKK ${GREEN}LJ ${YELLOW}KKKKA. . .4" >> ${MOTD}
echo -e "     ${BLUE}KKA. 'KKKKK ${GREEN}LJ ${YELLOW}KKKKK' .4KK" >> ${MOTD}
echo -e "     ${BLUE}KKSSA. VKKK ${GREEN}LJ ${YELLOW}KKKV .4SSKK" >> ${MOTD}
echo -e "${GREEN}              <><><><> " >> ${MOTD}
echo -e "${GREEN}               'MKKM'" >> ${MOTD}
echo -e "${GREEN}                 ''${RESET}\n" >> ${MOTD}