system info

gistfile1.rb

def self.get()
    @diskinfo = `df | grep rootfs | awk '{print $2,$4,$5}'`
    @diskinfo = @diskinfo.split(' ')
    @diskinfo_size = (@diskinfo[0].to_f / 1024 / 1024).round(2)
    @diskinfo_free = (@diskinfo[1].to_f / 1024 / 1024).round(2)
    @diskinfo_perc = @diskinfo[2].sub('%','')
 
    @cpu_perc = `vmstat | awk '{print $13}'`.split("\n").last
 
    @mem	  = `cat /proc/meminfo | grep Mem | awk '{print $2}'`
    @mem_total= (Float(@mem.split("\n").first) / 1024).round(2)
    @mem_free = (Float(@mem.split("\n").last) / 1024).round(2)
 
    @mem_perc = ((100/@mem_total)*(@mem_total-@mem_free)).round.to_s
 
    @uptime = `uptime`.chomp.to_s.to_s.sub('load average','load')
end