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Questions[rollback](server)

Martin Hope
Ywen
Asked: 2011-12-28 03:41:21 +0800 CST
  • 9

I'd like to be able to, when a program such as an installer is ran, track the list of the modifications made to my filesystem so that I can revert them afterwards.

EDIT: This concerns a non-packaged program. I use apt-get as far as I can.

Ideally I'd like to be able to do something like:

(sudo) catch-modifs some-installer.bin > fsmodifs.patch

And then:

(sudo) revert-modifs fsmodifs.patch

Is there a convenient way to do that?

linux installation unix filesystems rollback
Martin Hope
sreimer
Asked: 2011-12-06 13:01:47 +0800 CST
  • 2

I recently discovered the default open transaction ceiling of 1024 in MySQL. I have since increased the limit using innodb_extra_rsegments. However, I would like to keep my eye on this moving forward. My MySQL version is 5.1.48. Is there a way to monitor the open transactions at a point in time?

linux mysql innodb rollback
Martin Hope
ChickenMilkBomb
Asked: 2010-03-20 06:15:58 +0800 CST
  • 17

I'm not sure if this is the right way to ask this question, but here's basically what i'd like to do:

1.) Push a changeset to a site in IIS.
2.) Don't interrupt the users.
3.) Be able to roll back effortlessly.

So, there are a few things that I know have to happen:

1.) Out of Proc session - handled
2.) Out of Proc cache - handled

So the questions that remain:
1.) How do i keep from interrupting the users? If i just upload the files to bin, the app recycles and takes 10+ seconds to come back online
2.) How do i roll back effortlessly?

I was thinking a possible solution would be to have two sites set up in IIS, one public and one private. Uploads go to private and get warmed up. After warmup, the sites are swapped. A rollback only entails swapping to private without an upload.

This seems sound in theory, but Im not sure of the mechanics. Any ideas?

iis asp.net rollback
Martin Hope
maxyfc
Asked: 2009-05-05 16:36:16 +0800 CST
  • 44

OS: Ubuntu 8.04 LTS Server Edition

We just rolled back an kernel update using the following command:

sudo apt-get remove linux-image-2.6.24-24-server

The uninstallation was successful, but it had the following message before apt-get exited:

The link /vmlinuz is a damaged link
Removing symbolic link vmlinuz
 you may need to re-run your boot loader[grub]
The link /initrd.img is a damaged link
Removing symbolic link initrd.img
 you may need to re-run your boot loader[grub]

Should we be worrying about this message? Do we need to re-run GRUB? How do we go about doing this if we have to re-run GRUB?

Thanks in advance.

linux ubuntu grub kernel rollback