on 2/14/2008 10:06 AM Steven Haigh spake the following: >> -----Original Message----- >> From: centos-bounces at centos.org [mailto:centos-bounces at centos.org] On >> Behalf Of William L. Maltby >> Sent: Friday, 15 February 2008 4:19 AM >> To: CentOS General List >> Subject: Re: [CentOS] Re: Kernel 2.6.18-53.1.13.el5 fails on network. >> >> On Thu, 2008-02-14 at 08:44 -0800, Scott Silva wrote: >>> on 2/14/2008 2:25 AM William L. Maltby spake the following: >>>> <snip> >>>> If grub had a "one time" next boot like LILO, I'd have some more >>>> thoughts, but <*sigh*> >>>> >>> I have been hoping for that option for years. I have used other >> options like >>> using sed or cp, but they are still susceptible to failures. >>> All my new hardware has been HP's with the ILO feature, so I haven't >> had to >>> worry about it for a while. >> <*chuckle*> So I'm not the only one that thinks their self-aggrandizing >> naming as Grand Unified Boot... is not entirely accurate yet? It >> certainly is not G or U IMO. I was *very* comfy w/LILO and I did some >> neat tricks with it. >> >> Makes me want to go back and look at LILO some more and see what other >> new features are in it now. But time prohibits that. <*sigh*> > > Yeah, having the ability to do this would rock. The box in question is on a > remote power switch, however I don't have an IP KVM there (but would love > one!). The box does hosting for a number of community wireless sites in > Australia - none of which make any money to put towards buying equipment! I > looked at a single port IP KVM, but this was around $480AUD :( > > As the box goes to a command prompt - even after failures - I was thinking > of putting a simple script at the end of /etc/rc.d/rc.local which will > launch in the background (/root/bin/bootinfo &) > > ----------------------- Begin script --------------------- > #!/bin/bash > sleep 30 > > # Gather some system info: > echo "System booted at `date`." > /root/bootinfo > cat /proc/version >> /root/bootinfo > echo "------ Dmesg start ------" >> /root/bootinfo > dmesg >> /root/bootinfo > echo "------ lsmod start ------" >> /root/bootinfo > lsmod >> /root/bootinfo > echo "------ ifconfig start ------" >> /root/bootinfo > ifconfig >> /root/bootinfo > echo "------ route info ------" >> /root/bootinfo > route -n >> /root/bootinfo > echo "------ mii-tool start ------" >> /root/bootinfo > mii-tool -v -i eth0 >> /root/bootinfo > echo "------ End troubleshooting ------" >> /root/bootinfo > > # Test if we have network connectivity. > ping -c 1 -n <gateway> > if [ $? -eq "0" ]; then > # We can ping the gateway! > exit 0 > else > # We have no network connectivity :( > cp -f /etc/grub.conf-good /etc/grub.conf > reboot > fi > ----------------------- End script --------------------- > > Does anyone have any additions or insight into this? Maybe something I'm > forgetting? > > Obviously I'd have to make sure /etc/grub.conf-good is a working copy of the > config for grub.... > > -- > Steven Haigh > > Email: netwiz at crc.id.au > Web: http://www.crc.id.au > Phone: (03) 9001 6090 - 0412 935 897 You can also send everything from the grub prompt on to a serial port. You can set up some kind of serial console with remote access and use serial crossovers. You can even make one out of old cast-off PC's. -- MailScanner is like deodorant... You hope everybody uses it, and you notice quickly if they don't!!!! -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 250 bytes Desc: OpenPGP digital signature URL: <http://lists.centos.org/pipermail/centos/attachments/20080214/00a8935d/attachment-0004.sig>