He mentioned 32bit to 64bit move with mysql, i had my bad experience with this.
-- Mit freundlichen Grüßen / Kind regards / Sincères salutations / Üdvözlettel Nagy Gergely ----------------------------------- E-mail: nagy.gerg...@gnanet.net Jabber: nagy.gerg...@gmail.com Website: www.gnanet.net 2013. 01. 29, kedd keltezéssel 10.42-kor Tyler J. Wagner ezt írta: > On 2013-01-29 00:25, Rajeev Prasad wrote: > > I have a huge website running on LAMPerl ubuntu desktop 10.10 32bit > > > > I have to now move it over to ubuntu server 12.04 LTS 64bit. > > Make a dump of your current package list first: > > dpkg -l > dpkg.maverick > > You may want to refer to it later for those "Oh crap, what package did I > forget?! moments. > > In particular, make a list of all packages related to apache2, mysql, perl. > Here's a one-liner you can later paste after "apt-get install": > > dpkg -l \*mysql\* \*apache\* \*perl\* | grep ^i | cut -f 3 -d ' ' | tr '\n' > ' ' ; echo > > Copy /var/www, of course. I'm not sure why Nagy advised you not to copy > /var/lib/mysql; that should work just fine. When mysqld starts it will > upgrade them. But just in case, before upgrading, use mysqldump to dump all > databases. > > Do not upgrade via do-release-upgrade or dist-upgrade. Reinstall from > scratch. If you were using 10.10 64-bit, this would be fine, but changing > architectures requires a reinstall. I've upgraded from maverick through > natty and oneric to precise on one LAMP server without incident using > do-release-upgrade. > > Finally, do take a complete backup. Something as simple as the following > will save you a lot of trouble later: > > rsync -av /bin /boot /etc /home /initrd* /lib* /opt /root /sbin /srv /usr > /var /vmlinu* /media/mounted_usb_disk > > Regards, > Tyler > > -- > "Any advert in a public space that gives you no choice whether you see it > or not is yours. It’s yours to take, re-arrange and re-use. You can do > whatever you like with it. Asking for permission is like asking to keep > a rock someone just threw at your head. You owe the companies nothing." > -- Banksy on Advertising >
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