Editar a MOTD (Message of the Day) no Raspberry Pi.
18
Junho
2018
Editar a MOTD (Message of the Day)
sudo nano /etc/motd
sudo nano /etc/init.d/motd # apagar conteúdo
sudo nano /etc/ssh/sshd_config # comentar uname -snrvm > /var/run/motd.dynamic
sudo nano /etc/motd.tcl # mudar PrintLastLog para "no"#!/usr/bin/env tclsh
# MOTD script
# * Variaveis
set var(user) $env(USER)
set var(path) $env(PWD)
set var(home) $env(HOME)
# * Verificar se estamos em /home
#if {![string match -nocase "/home*" $var(path)]} {
if {![string match -nocase "/home*" $var(path)] && ![string match -nocase "/usr/home*" $var(path)] } {
return 0
}
# * Calcular último login
set lastlog [exec -- lastlog -u $var(user)]
set ll(1) [lindex $lastlog 7]
set ll(2) [lindex $lastlog 8]
set ll(3) [lindex $lastlog 9]
set ll(4) [lindex $lastlog 10]
set ll(5) [lindex $lastlog 6]
# * Calcular tempo de sistema online actual
set uptime [exec -- /usr/bin/cut -d. -f1 /proc/uptime]
set up(days) [expr {$uptime/60/60/24}]
set up(hours) [expr {$uptime/60/60%24}]
set up(mins) [expr {$uptime/60%60}]
set up(secs) [expr {$uptime%60}]
# * Calcular utilização de home
set usage [lindex [exec -- /usr/bin/du -ms $var(home)] 0]
# * Calcular logins SSH:
set logins [lindex [exec -- who -q | cut -c "9-11"] 0]
# * Calcular processos
set psu [lindex [exec -- ps U $var(user) h | wc -l] 0]
set psa [lindex [exec -- ps -A h | wc -l] 0]
# * Calcular carga do sistema
set loadavg [exec -- /bin/cat /proc/loadavg]
set sysload(1) [lindex $loadavg 0]
set sysload(5) [lindex $loadavg 1]
set sysload(15) [lindex $loadavg 2]
# * Calcular Memoria
set memory [exec -- free -m]
set mem(t) [lindex $memory 7]
set mem(u) [lindex $memory 8]
set mem(f) [lindex $memory 9]
set mem(c) [lindex $memory 16]
set mem(s) [lindex $memory 19]
# * ascii berry
set head { .~ .~~~..~. _ _
: .~.'~'.~. : ___ ___ ___ ___| |_ ___ ___ ___ _ _ ___|_|
~ ( ) ( ) ~ | _| .'|_ -| . | . | -_| _| _| | | | . | |
( : '~'.~.'~' : ) |_| |__,|___| _|___|___|_| |_| |_ | | _|_|
~ .~ ( ) ~. ~ |_| |___| |_|
( : '~' : )
'~ .~~~. ~'
'~'}
# * ascii leaf
set head2 {
.~~. .~~.
'. \ ' ' / .'}
# * versão kernel
set uname [exec -- /bin/uname -snrvm]
set unameoutput0 [lindex $uname 0]
set unameoutput [lindex $uname 1]
set unameoutput2 [lindex $uname 2]
set unameoutput3 [lindex $uname 3]
set unameoutput4 [lindex $uname 4]
# * temperatura
set temp [exec -- /opt/vc/bin/vcgencmd measure_temp | cut -c "6-9"]
set tempoutput [lindex $temp 0]
# * versão GPU
set gpu [exec -- /opt/vc/bin/vcgencmd version]
set gpuoutput [lindex $gpu 0]
set gpuoutput1 [lindex $gpu 1]
set gpuoutput2 [lindex $gpu 2]
set gpuoutput3 [lindex $gpu 8]
set gpuoutput4 [lindex $gpu 9]
# * Resultados
puts "\033\[01;32m$head2\033\[0m"
puts "\033\[02;31m$head\033\[0m"
puts " Systema.......: $unameoutput0 $unameoutput $unameoutput2 $unameoutput3 $unameoutput4"
puts " Versão GPU....: $gpuoutput $gpuoutput1 $gpuoutput2, $gpuoutput3 $gpuoutput4"
puts " Último login..: $ll(1) $ll(2) $ll(3) $ll(4) from $ll(5)"
puts " Online........: $up(days)days $up(hours)hours $up(mins)minutes $up(secs)seconds"
puts " Temperatura...: $tempoutput°C"
puts " Carga.........: $sysload(1) (1minute) $sysload(5) (5minutes) $sysload(15) (15minutes)"
puts " Memória.......: Total: $mem(t) Used: $mem(u) Free: $mem(f) Cached: $mem(c) Swap: $mem(s)"
puts " Disco.........: You're using ${usage}MB in $var(home)"
puts " Logins SSH....: Currently $logins user(s) logged in."
puts " Processos.....: You're running ${psu} which makes a total of ${psa} running"
if {[file exists /etc/changelog]&&[file readable /etc/changelog]} {
puts " . .. Outras informações:\n"
set fp [open /etc/changelog]
while {-1!=[gets $fp line]} {
puts " ..) $line"
}
close $fp
puts ""
}Link aditional: http://www.mewbies.com/how_to_customize_your_console_login_message_tutorial.htm