colorize!

Setup-iniziale.md

@@ -67,9 +67,13 @@ Possiamo personalizzare il messaggio che appare al login sul nodo zero creando i
 ```bash
 #! /usr/bin/env bash
 
+export TERM=xterm-256color
+
 # Basic info
-HOSTNAME=`uname -n`
-ROOT=`df -Ph | grep mmcblk0p5 | awk '{print $4}' | tr -d '\n'`
+HOSTNAME=$(uname -n)
+ROOT=$(df -Ph | grep mmcblk0p5 | awk '{print $4}' | tr -d '\n')
+IFS=. read -r s _ < /proc/uptime; d=$((s / 60 / 60 / 24)); h=$((s / 60 / 60 % 24)); m=$((s / 60 % 60)); [ "$d" = 0 ] || UPTIME="${UPTIME}${d}d "; [ "$h" = 0 ] || UPTIME="${UPTIME}${h}h "; [ "$m" = 0 ] || UPTIME="${UPTIME}${m}m "; UPTIME="${UPTIME:-0m}"
+KERNEL=$(uname -r)
 
 # System load
 MEMORY1=`free -t -m | grep Total | awk '{print $3" MB";}'`
@@ -78,30 +82,26 @@ LOAD1=`cat /proc/loadavg | awk {'print $1'}`
 LOAD5=`cat /proc/loadavg | awk {'print $2'}`
 LOAD15=`cat /proc/loadavg | awk {'print $3'}`
 
-echo "
-===================================================
- _______________________ _______ _______ _______ _ 
+echo "$(tput setaf 1)===================================================
+ _______________________ _______ _______ _______ _
 (  ____ \__   __(  ____ (  ____ (  ____ (  ____ ( )
-| (    \/  ) (  | (    \/ (    \/ (    \/ (    \// 
-| (_____   | |  | (__   | (__   | (__   | (__      
-(_____  )  | |  |  __)  |  __)  |  __)  |  __)     
-      ) |  | |  | (     | (     | (     | (        
-/\____) |  | |  | (____/\ )     | )     | (____/\  
-\_______)  )_(  (_______//      |/      (_______/  
-                                                   
+| (    \/  ) (  | (    \/ (    \/ (    \/ (    \//
+| (_____   | |  | (__   | (__   | (__   | (__
+(_____  )  | |  |  __)  |  __)  |  __)  |  __)
+      ) |  | |  | (     | (     | (     | (
+/\____) |  | |  | (____/\ )     | )     | (____/\
+\_______)  )_(  (_______//      |/      (_______/
+$(tput setaf 2)
 ===================================================
  - Hostname............: $HOSTNAME
  - Disk Space..........: $ROOT remaining
-===================================================
+$(tput setaf 4)===================================================
  - CPU usage...........: $LOAD1, $LOAD5, $LOAD15 (1, 5, 15 min)
  - Memory used.........: $MEMORY1 / $MEMORY2
-===================================================
-"
-```
-e poi copiandolo nella directory opportuna:
-```bash
-sudo mv on_login.sh /etc/update-motd.d/05-info
-sudo chmod +x /etc/update-motd.d/05-info
+$(tput setaf 3)===================================================
+ - Kernel..............: $KERNEL
+ - Uptime..............: $UPTIME
+$(tput sgr0)==================================================="
 ```
 
 ## `dnsmasq` e rete interna