What's the easiest way for a shell script to tell if grub version 1 is installed?
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From: Anand Sivaram on 2 Jul 2010 05:30 On Fri, Jul 2, 2010 at 08:17, Bob Proulx <bob(a)proulx.com> wrote: > Stephen Powell wrote: > > What's the easiest way for a shell script to tell if grub version 1 > > is installed? It is important to distinguish grub version 1 from > > grub version 2. For example, can I just do this? > > > > if [ -f /boot/grub/menu.lst ];then > > blah > > blah > > blah > > fi > > If you only need to know if the grub2 *package* is installed then a > very quick check is to see if the documentation directory for it is > installed. Since all packages are required by Debian Policy to have a > documentation directory. > > if [ -d /usr/share/doc/grub-pc ]; then > echo The Grub2 package is installed. > fi > > > Or does that file exist in grub version 2 as well? > > If the machine was upgraded from version 1 to version 2 then the > menu.lst file will be left behind until manually removed. Because it > facilitates returning to version 1 if required. > > But having the package installed doesn't meant that the machine > actually has grub2 installed in the boot path. That seems a little > more difficult. > > I recently read this blog entry by Colin Watson that talked a little > bit about grub versions and the problems of mixing them. You might > find it interesting. > > > http://www.chiark.greenend.org.uk/ucgi/~cjwatson/blosxom/2010/06/21#2010-06-21-grub2-boot-problems<http://www.chiark.greenend.org.uk/ucgi/%7Ecjwatson/blosxom/2010/06/21#2010-06-21-grub2-boot-problems> > > Bob > > -----BEGIN PGP SIGNATURE----- > Version: GnuPG v1.4.9 (GNU/Linux) > > iEYEARECAAYFAkwtUz0ACgkQ0pRcO8E2ULaw1ACeLd2LCMyHpT+j+ltxS1AKfgeK > 91YAn0JNcCXv7/XGZZBbKABXphhLrtLu > =bk8d > -----END PGP SIGNATURE----- > > grub2.0, the following commands print version. grub-setup --version grub-setup (GRUB) 1.98-1 grub-install --version grub-install (GNU GRUB 1.98-1) for grub1.0 grub --version should print the version. There is some version information in the MBR also file -s /dev/sda
From: Tom H on 3 Jul 2010 07:50
Stephen Powell <zlinuxman(a)wowway.com> wrote: >>> What's the easiest way for a shell script to tell if grub version 1 >>> is installed? It is important to distinguish grub version 1 from >>> grub version 2. For example, can I just do this? Anand Sivaram <aspnair(a)gmail.com> wrote: > grub2.0 > grub-setup --version > grub-setup (GRUB) 1.98-1 > grub-install --version > grub-install (GNU GRUB 1.98-1) > grub1.0 > grub --version should print the version. >From bootinfoscript http://sourceforge.net/projects/bootinfoscript/ hexdump -v -n 2 -e '/1 "%x"' $drive eb48 == grub1 eb4c == grub2 (1.96) eb63 == grub2 (1.97,1.98) -- To UNSUBSCRIBE, email to debian-user-REQUEST(a)lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmaster(a)lists.debian.org Archive: http://lists.debian.org/AANLkTim1SReLWtzM45A-tJGA4zshQMXjORUh6jzhEjqt(a)mail.gmail.com |