Column Hosts
(Age of sample)
Uptime
Source /usr/bin//hostname
ls -l rawdatafile
/usr/bin/uptime
Description
This column shows three sets of data.
  • The first is the hostname of this machine. The hostname is hyper-linked to the rawdatafile.
  • The second set of data is how old the data sample is. If the sample from a machine is older than one hour, this cell will turn red.
  • The third set of data is how long this box has been alive.
    • Caveats

    The first data element, the hostname is obtained from the first line of the raw data file. 
    Date1: 20041028131711	EDT  sr1-cmrk07-01  eastern.Canada.Sun.COM 20041028171711	GMT
    The second data element, how hold the data sample is, is found by doing the following: age = timenow() - datestamp of rawdatafile;

    The third data element, how long the box has been up, is found from the uptime command. 
    srtdate_uptime: 20041028080014	PDT "uptime"
  8:00am  up  59 day(s), 19:33,  31 users,  load average: 1.59, 1.50, 1.46
enddate_uptime: 20041028080014	PDT