Re: live and learn
Theron Stanford wrote: > On Tue, Jun 8, 2010 at 11:45 PM, Mike McCarty > wrote: >> Possibly. However, who prints the book? Mostly, I was cut'n'pasting >> the commands. > > I print the book. However, I print it 9-up to save paper. I like > having the hard copy to read on the train. NINE up? How do you read it? With a microscope? You must be using A4 paper at least. I'd find four up difficult on letter (which is what I use). However, as a laid off telecomm engineer, I definitely do what I can to save on printing costs. Like not printing at all. Always two side, often two up. I find four up difficult to read. [...] > that I usually guess right. (I recall once spending quite some time > trying to figure out why GRUB couldn't find menu.1st.) And during my > last build I couldn't figure out why > > cp -sv libbz2.so* /lib > > wouldn't work. (The options are -av, of course.) :-) Mike -- p="p=%c%s%c;main(){printf(p,34,p,34);}";main(){printf(p,34,p,34);} Oppose globalization and One World Governments like the UN. This message made from 100% recycled bits. You have found the bank of Larn. I speak only for myself, and I am unanimous in that! -- http://linuxfromscratch.org/mailman/listinfo/lfs-support FAQ: http://www.linuxfromscratch.org/lfs/faq.html Unsubscribe: See the above information page
Re: live and learn
On 6/8/10, Neal Murphy wrote: > ... You'll learn to pause before hitting . > I learned that lesson very quickly. It is extremely important. My system wouldn't last long without backups. Speaking of backups and rescue disks, I am using an "rsync snapshots" style of backup. It does not compress, yet it can save multiple "copies" of a system at different points in time using remarkable little disk space. Any "copy" can be rsynced to any mount point and so I can recover or load up any system "copy" in around 20 minutes. I have several LFS builds (2 are 6.6), a few Fedoras, and miscellaneous others. I loaded and ran FC4 the other day. I made a snapshot of my current system yesterday, before installing some experimental stuff. The backup might have looked something like this: mount LABEL=BACK_UPS /back_up back_up snapdir=/back_ups/LFS-6-2 My last restoration might have looked something like this: mount LABEL=BACK_UPS /back_ups mount /dev/[bla-bla] /mnt cd /mnt R-M-minus-R-star (you never write that in a post) rsync -aH --numeric-ids /back_ups/LFS-6-2/root_fs/back_up.0/. /mnt/ More info on these rsync snapshots in case anyone is curious is here http://linux-fan-alfs.blogspot.com/2008/03/system-backups.html Disk size has increased and disk cost has decreased to the point that I have much more available disk space than I need (it's hard to find a tiny 20GB disk any more.) Actually I have 4 various sized disks including 2 500GB drives and a few old spare drives lying aroung. Each one of the disks ha one partition that is the "logical" type that is reported by fdisk as "f W95 Ext'd (LBA)". The "logical" partition can contain partitions 5-15. More than one of the disks has a partition dedicated to back ups. I'm lazy and don't regularly delete old copies. Most of the systems in the scheme are bootable, so I automatically have numerous "rescue" systems. I also have grub boot cd and lfs livecd. I've learned to expect that I'll occasionally (or regularly as the case may be) break something. Many times, one of the "rescue" systems has been called upon to save the day, even if only for 1 file. -- http://linuxfromscratch.org/mailman/listinfo/lfs-support FAQ: http://www.linuxfromscratch.org/lfs/faq.html Unsubscribe: See the above information page
Re: live and learn
On Tue, Jun 8, 2010 at 11:45 PM, Mike McCarty wrote: > Neal Murphy wrote: > >> A possible future enhancement to 'the book' might be to incorporate >> checkboxes >> that a newbie would check off as she performs each step. Extra work? Yes. But >> worth it to make each step clearer? Yes again. > > Possibly. However, who prints the book? Mostly, I was cut'n'pasting > the commands. I print the book. However, I print it 9-up to save paper. I like having the hard copy to read on the train. Unfortunately, this sometimes has the side-effect of making 1 (one) and l (ell) difficult to distinguish, though I've built enough times that I usually guess right. (I recall once spending quite some time trying to figure out why GRUB couldn't find menu.1st.) And during my last build I couldn't figure out why cp -sv libbz2.so* /lib wouldn't work. (The options are -av, of course.) Theron -- http://linuxfromscratch.org/mailman/listinfo/lfs-support FAQ: http://www.linuxfromscratch.org/lfs/faq.html Unsubscribe: See the above information page
Re: HSR's
On Tue, 2010-06-08 at 19:54 -0400, Neal Murphy wrote: > So, in the case that spawned this thread, the used could have continued to > use > his shell, albeit vey carefully and judiciously, until he exitted that shell. > Even if he performed an 'rm -rf /', his shell would continue to run and he > would continue to be able to use shell built-ins until he exitted that shell. > At that point, only the root directory, '.' and '..' would be accessible. Not necessarily - it depends on what else is happening on the system at the same time. A few months back, I accidentally removed part of udev, and the system died almost instantly - I never found out exactly what went wrong, but speculate that something caused /dev to go missing, which locked up X... That was fun... ended up running off a Ubuntu live-boot for a week until I could get a new LFS build done... :( Simon. signature.asc Description: This is a digitally signed message part -- http://linuxfromscratch.org/mailman/listinfo/lfs-support FAQ: http://www.linuxfromscratch.org/lfs/faq.html Unsubscribe: See the above information page