This got me wondering how fast my new 525 and sata HD is . So I got the stopwatch out:
8 sec to the main screen(about time to turn on the air, check the oil level and walk around to the front to the front of my machine. not too shabby, but not near 3 sec. Terry ----- Original Message ----- From: Eric H. Johnson <ejohn...@camalytics.com> To: 'Enhanced Machine Controller (EMC)' <emc-users@lists.sourceforge.net> Cc: Sent: Tuesday, June 12, 2012 12:35 PM Subject: Re: [Emc-users] quick boot On 6/12/2012 12:16 PM, Stuart Stevenson wrote: >> Gentlemen, >> What would it take to headless boot LinuxCNC in 3 seconds? >> thanks >> Stuart >> > This article is almost 4 years old but it's got some good hints about fast booting. > http://lwn.net/Articles/299483/ >It points out a cool tool name BootChart that helps identify the bottlenecks. http://www.bootchart.org/ I still don't know about getting down to 3 seconds, but in addition to what that article says, you can also try: 1> Set BIOS to quick boot, bypass POST, etc. 2> In BIOS set boot drive as first device in boot order. 3> Use a SATA SSD. 4> Use as much memory as the mother board will accommodate. 5> Use Xubuntu instead of ubuntu (Use Linuxcnc install script). 6> Play with grub boot parameters (i.e. remove "quiet splash"). 7> Map log files to null or RAM (see: http://wiki.linuxcnc.org/cgi-bin/wiki.pl?Install_To_CompactFlash) 8> Uninstall any unnecessary applications. 9> Use "bum" (boot-up manager) to remove unnecessary services. Regards, Eric ------------------------------------------------------------------------------ Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users ------------------------------------------------------------------------------ Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
