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    Fixing Mass Permissions Issue

    Scheduled Pinned Locked Moved IT Discussion
    linuxpermissionschmod
    15 Posts 6 Posters 2.5k Views
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    • coliverC
      coliver
      last edited by

      Did they have a backup?

      thanksajdotcomT 1 Reply Last reply Reply Quote 0
      • thanksajdotcomT
        thanksajdotcom @coliver
        last edited by

        @coliver said:

        Did they have a backup?

        No clue. You know what I know, which is what that post shows.

        1 Reply Last reply Reply Quote 0
        • coliverC
          coliver
          last edited by

          I think this would be hard if they didn't have a backup. Would auditd be able to tell what the permissions were changed from?

          1 Reply Last reply Reply Quote 1
          • scottalanmillerS
            scottalanmiller
            last edited by

            Pretty much a backup is required. This is a blanket change to every file on the system. Each one needs to be rolled back to previously unknown states. You can pretty much guess at this if you are good and are willing to invest the time in a high level UNIX admin to guess at ti, test files and have end users testing constantly to see if you are getting it right.

            Pretty much, this simply means that you are restoring everything.

            thanksajdotcomT gjacobseG 2 Replies Last reply Reply Quote 0
            • thanksajdotcomT
              thanksajdotcom @scottalanmiller
              last edited by

              @scottalanmiller said:

              Pretty much a backup is required. This is a blanket change to every file on the system. Each one needs to be rolled back to previously unknown states. You can pretty much guess at this if you are good and are willing to invest the time in a high level UNIX admin to guess at ti, test files and have end users testing constantly to see if you are getting it right.

              Pretty much, this simply means that you are restoring everything.

              That's what I figured too.

              1 Reply Last reply Reply Quote 0
              • gjacobseG
                gjacobse @scottalanmiller
                last edited by

                @scottalanmiller
                Never really thought about it but it makes sense. Not to mention the amount of time needed to go file by file.. it's not practical. If they don't have a backup,... sucks to be them.

                thanksajdotcomT scottalanmillerS 2 Replies Last reply Reply Quote 2
                • thanksajdotcomT
                  thanksajdotcom @gjacobse
                  last edited by

                  @g.jacobse said:

                  @scottalanmiller
                  Never really thought about it but it makes sense. Not to mention the amount of time needed to go file by file.. it's not practical. If they don't have a backup,... sucks to be them.

                  If they have no backup, time to rebuild the machine, physical or VM, and restore any databases, etc. Other than that, not much I can think to do.

                  scottalanmillerS 1 Reply Last reply Reply Quote 0
                  • scottalanmillerS
                    scottalanmiller @gjacobse
                    last edited by

                    @g.jacobse said:

                    @scottalanmiller
                    Never really thought about it but it makes sense. Not to mention the amount of time needed to go file by file.. it's not practical. If they don't have a backup,... sucks to be them.

                    Pretty much. It's pretty bad.

                    1 Reply Last reply Reply Quote 0
                    • scottalanmillerS
                      scottalanmiller @thanksajdotcom
                      last edited by

                      @thanksaj said:

                      If they have no backup....

                      They need to rethink why they have computers at all.

                      thanksajdotcomT 1 Reply Last reply Reply Quote 1
                      • thanksajdotcomT
                        thanksajdotcom @scottalanmiller
                        last edited by

                        @scottalanmiller said:

                        @thanksaj said:

                        If they have no backup....

                        They need to rethink why they have computers at all.

                        True that.

                        1 Reply Last reply Reply Quote 0
                        • AmbarishrhA
                          Ambarishrh
                          last edited by

                          We had something like this once on a wordpress installation, when the user changed permission on the whole site folder, and used a script which is still available in the internet, which scans and fixes the whole directory when you give the WP owner and group usernames. We still have the scripts saved on all our servers, just to do a quick permission fix to avoid a mass restore and re deploy the site.

                          1 Reply Last reply Reply Quote 0
                          • Reid CooperR
                            Reid Cooper
                            last edited by

                            I don't see much hope other than starting over in a case like this. It's more or less the same as doing the infamous rm -rf / except far better because at least you can take a final backup and recover, file by file, anything specific that you need.

                            1 Reply Last reply Reply Quote 0
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