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    Kernel Update fails ... Oh no, not again!

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    • S
      Sebastian Roth Moderator
      last edited by Sebastian Roth

      @george1421 said in Kernel Update fails ... Oh no, not again!:

      Now may issue may be that the production fog server doesn’t have direct internet access but must pass through a proxy server.

      But the code should actually use proxy settings made in the web UI (code ref) so I am wondering what goes wrong here as it does not seem to return 4xx HTTP code and therefore the kernel update page does not notice something went wrong. Do you have access to the proxy logs?

      On the other hand I wondered about the zero bytes file size as there is a check in the code. Unfortunately there was an issue with the file size check which I just fixed in the current working branch (ref).

      ... ftp_mkdir(): Create directory operation failed...

      As well I wonder about why you all see this. There is a check before mkdir that should prevent from trying so if the directory already exists. From my point of view that should work correctly.

      On raspbian /var/www/fog/service/ipxe is correct on centos the correct path is /var/www/html/fog/service/ipxe.

      Thanks for pointing that out. I should have made my test commands not specific to debian/ubuntu without mentioning.

      Web GUI issue? Please check apache error (debian/ubuntu: /var/log/apache2/error.log, centos/fedora/rhel: /var/log/httpd/error_log) and php-fpm log (/var/log/php*-fpm.log)

      Please support FOG if you like it: https://wiki.fogproject.org/wiki/index.php/Support_FOG

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      • sudburrS
        sudburr @Sebastian Roth
        last edited by

        @sebastian-roth sestatus results

        SELinux status:                 enabled
SELinuxfs mount:                /sys/fs/selinux
SELinux root directory:         /etc/selinux
Loaded policy name:             targeted
Current mode:                   permissive
Mode from config file:          permissive
Policy MLS status:              enabled
Policy deny_unknown status:     allowed
Max kernel policy version:      28

        This is the same as on all of our other fog servers.

        [ Standing in between extinction in the cold and explosive radiating growth ]

        george1421G 1 Reply Last reply Reply Quote 0
        • sudburrS
          sudburr @Sebastian Roth
          last edited by

          @sebastian-roth said in Kernel Update fails ... Oh no, not again!:

          rename /var/www/fog/service/ipxe/testfile /var/www/fog/service/ipxe/backup/testfile

          Completed the ftp steps detailed and update via GUI continues to fail.

          [ Standing in between extinction in the cold and explosive radiating growth ]

          1 Reply Last reply Reply Quote 0
          • george1421G
            george1421 Moderator @sudburr
            last edited by george1421

            @sudburr if selinux is enabled, then you will have issues capturing images for sure. You need to configure selinux to permissive. On centos its in /etc/selinux and there is a config file in there you need to edit so it says permissive. Then reboot your FOG server.

            # This file controls the state of SELinux on the system.
# SELINUX= can take one of these three values:
#     enforcing - SELinux security policy is enforced.
#     permissive - SELinux prints warnings instead of enforcing.
#     disabled - No SELinux policy is loaded.
SELINUX=permissive
# SELINUXTYPE= can take one of three two values:
#     targeted - Targeted processes are protected,
#     minimum - Modification of targeted policy. Only selected processes are protected.
#     mls - Multi Level Security protection.
SELINUXTYPE=targeted

            Please help us build the FOG community with everyone involved. It's not just about coding - way more we need people to test things, update documentation and most importantly work on uniting the community of people enjoying and working on FOG!

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            • sudburrS
              sudburr
              last edited by

              SELinux is already configured and functions properly for all servers. Imaging is not the problem. The problem is updating the kernel on 2 of 18 physical servers.

              [ Standing in between extinction in the cold and explosive radiating growth ]

              1 Reply Last reply Reply Quote 0
              • J
                jstephen @Sebastian Roth
                last edited by

                @sebastian-roth Following your steps, I get this:

                ftp> mkdir /var/www/fog/service/ipxe/backup
                550 Create directory operation failed.

                It seems that I am able to rename the files though.

                I also notice that all of the other files in the ipxe folder are owned by fog:www-data; however, the files the Fog is trying to create for the new kernel are owned by fog:fog. Could this be part of the problem?

                One more observation: the fog GUI is reporting that the operation failed to ftp_mkdir and ftp_rename, however the file exists in the ipxe directory and has 8069680 bytes which is probably about right, right? Is the file being copied elsewhere also and failing there? Or, is the GUI error… in error?

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                • S
                  Sebastian Roth Moderator
                  last edited by

                  @sudburr said in Kernel Update fails ... Oh no, not again!:

                  Completed the ftp steps detailed and update via GUI continues to fail.

                  Can you please post a listing or picture of the commands and output?

                  @jstephen said:

                  ftp> mkdir /var/www/fog/service/ipxe/backup
                  550 Create directory operation failed.

                  This might be due to the fact that the directory already exists. See with ls -al /var/www/fog/service/ipxe on the command line.

                  Web GUI issue? Please check apache error (debian/ubuntu: /var/log/apache2/error.log, centos/fedora/rhel: /var/log/httpd/error_log) and php-fpm log (/var/log/php*-fpm.log)

                  Please support FOG if you like it: https://wiki.fogproject.org/wiki/index.php/Support_FOG

                  sudburrS 1 Reply Last reply Reply Quote 0
                  • sudburrS
                    sudburr @Sebastian Roth
                    last edited by

                    @sebastian-roth Aside from changing your

                    chmod 644 var/www/fog/service/ipxe/testfile

                    to

                    chmod 644 /var/www/fog/service/ipxe/testfile

                    The commands and results were word for word identical to what you posted.

                    [ Standing in between extinction in the cold and explosive radiating growth ]

                    1 Reply Last reply Reply Quote 0
                    • S
                      Sebastian Roth Moderator
                      last edited by

                      @sudburr Are you behind a proxy server by any chance? Do you still see the very same ftp_* messages in the apache error log?

                      Web GUI issue? Please check apache error (debian/ubuntu: /var/log/apache2/error.log, centos/fedora/rhel: /var/log/httpd/error_log) and php-fpm log (/var/log/php*-fpm.log)

                      Please support FOG if you like it: https://wiki.fogproject.org/wiki/index.php/Support_FOG

                      sudburrS 1 Reply Last reply Reply Quote 0
                      • sudburrS
                        sudburr @Sebastian Roth
                        last edited by

                        @sebastian-roth No proxy server. The error message has changed one one server at /var/log/httpd/error_log.

                        PHP Warning:  ftp_login(): Login incorrect. in /var/www/html/fog/lib/fog/fogftp.class.php on line 463, referer: http://xyzfog/fog/management/index.php?node=about&sub=kernel&file=aHR0cHM6Ly9mb2dwcm9qZWN0Lm9yZy9rZXJuZWxzL0tlcm5lbC5Ub21FbGxpb3R0LjQuMTMuNC42NA==&arch=64

                        The value for “Fog Configuration / Fog Settings / TFTP Server / FOG_TFTP_FTP_PASSWORD” changed. It now does not match the password as found in “/opt/fog/.fogsettings” or “Storage Management / Management Password”. I changed it to match, then ran the kernel update again and it worked!

                        The other server has exhibited no change in errors or passwords.

                        [ Standing in between extinction in the cold and explosive radiating growth ]

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                        • Wayne WorkmanW
                          Wayne Workman
                          last edited by

                          Cross-linking these threads as I think they are related.

                          https://forums.fogproject.org/topic/11375/kernel-update-fails-oh-no-not-again
                          https://forums.fogproject.org/topic/11409/newer-to-fog-need-a-little-assistance

                          Please help us build the FOG community with everyone involved. It's not just about coding - way more we need people to test things, update documentation and most importantly work on uniting the community of people enjoying and working on FOG!
                          Daily Clean Installation Results:
                          https://fogtesting.fogproject.us/
                          FOG Reporting:
                          https://fog-external-reporting-results.fogproject.us/

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                          • S
                            Sebastian Roth Moderator
                            last edited by Sebastian Roth

                            @sudburr said in Kernel Update fails ... Oh no, not again!:

                            I changed it to match, then ran the kernel update again and it worked!

                            Kind of weird. Well, good to know it works now. Marking as solved.

                            Web GUI issue? Please check apache error (debian/ubuntu: /var/log/apache2/error.log, centos/fedora/rhel: /var/log/httpd/error_log) and php-fpm log (/var/log/php*-fpm.log)

                            Please support FOG if you like it: https://wiki.fogproject.org/wiki/index.php/Support_FOG

                            sudburrS 1 Reply Last reply Reply Quote 0
                            • sudburrS
                              sudburr @Sebastian Roth
                              last edited by

                              @sebastian-roth It’s solved for one server, but not the other.

                              [ Standing in between extinction in the cold and explosive radiating growth ]

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                              • sudburrS
                                sudburr
                                last edited by

                                Something to look at from the FTP logs.

                                Wed Feb  7 12:37:04 2018 [pid 15591] CONNECT: Client "<FOGIP>"
Wed Feb  7 12:37:04 2018 [pid 15591] FTP response: Client "<FOGIP>", "220 (vsFTPd 3.0.2)"
Wed Feb  7 12:37:05 2018 [pid 15591] FTP command: Client "<FOGIP>", "USER fog"
Wed Feb  7 12:37:05 2018 [pid 15591] [fog] FTP response: Client "<FOGIP>", "331 Please specify the password."
Wed Feb  7 12:37:05 2018 [pid 15591] [fog] FTP command: Client "<FOGIP>", "PASS <password>"
Wed Feb  7 12:37:05 2018 [pid 15590] [fog] OK LOGIN: Client "<FOGIP>"
Wed Feb  7 12:37:05 2018 [pid 15595] [fog] FTP response: Client "<FOGIP>", "230 Login successful."
Wed Feb  7 12:37:05 2018 [pid 15595] [fog] FTP command: Client "<FOGIP>", "PASV"
Wed Feb  7 12:37:05 2018 [pid 15595] [fog] FTP response: Client "<FOGIP>", "227 Entering Passive Mode (<FOGIP>,209,195)."
Wed Feb  7 12:37:05 2018 [pid 15595] [fog] FTP command: Client "<FOGIP>", "TYPE A"
Wed Feb  7 12:37:05 2018 [pid 15595] [fog] FTP response: Client "<FOGIP>", "200 Switching to ASCII mode."
Wed Feb  7 12:37:05 2018 [pid 15595] [fog] FTP command: Client "<FOGIP>", "LIST -a //var/www/html/fogservice/ipxe"
Wed Feb  7 12:37:05 2018 [pid 15595] [fog] FTP response: Client "<FOGIP>", "150 Here comes the directory listing."
Wed Feb  7 12:37:05 2018 [pid 15595] [fog] FTP response: Client "<FOGIP>", "226 Transfer done (but failed to open directory)."
Wed Feb  7 12:37:05 2018 [pid 15595] [fog] FTP command: Client "<FOGIP>", "MKD //var/www/html/fogservice/ipxe/backup/"
Wed Feb  7 12:37:05 2018 [pid 15595] [fog] FTP response: Client "<FOGIP>", "550 Create directory operation failed."
Wed Feb  7 12:37:05 2018 [pid 15595] [fog] FAIL MKDIR: Client "<FOGIP>", "//var/www/html/fo[Wed Feb 07 12:37:05.182303 2018] [:error] [pid 1410] [client <CLIENT_IP>:45345] PHP Warning:  ftp_mkdir(): Create directory operation failed. in /var/www/html/fog/lib/fog/fogftp.class.php on line 492, referer: http://xyzfog/fog/management/index.php?node=about&sub=kernel&file=aHR0cHM6Ly9mb2dwcm9qZWN0Lm9yZy9rZXJuZWxzL0tlcm5lbC5Ub21FbGxpb3R0LjQuMTMuNC42NA==&arch=64
gservice/ipxe/backup/"
Wed Feb  7 12:37:05 2018 [pid 15595] [fog] FTP command: Client "<FOGIP>", "PASV"
Wed Feb  7 12:37:05 2018 [pid 15595] [fog] FTP response: Client "<FOGIP>", "227 Entering Passive Mode (<FOGIP>,96,38)."
Wed Feb  7 12:37:05 2018 [pid 15595] [fog] FTP command: Client "<FOGIP>", "LIST -a /var/www/html/fogservice/ipxe"
Wed Feb  7 12:37:05 2018 [pid 15595] [fog] FTP response: Client "<FOGIP>", "150 Here comes the directory listing."
Wed Feb  7 12:37:05 2018 [pid 15595] [fog] FTP response: Client "<FOGIP>", "226 Transfer done (but failed to open directory)."
Wed Feb  7 12:37:05 2018 [pid 15595] [fog] FTP command: Client "<FOGIP>", "PASV"
Wed Feb  7 12:37:05 2018 [pid 15595] [fog] FTP response: Client "<FOGIP>", "227 Entering Passive Mode (<FOGIP>,232,42)."
Wed Feb  7 12:37:05 2018 [pid 15595] [fog] FTP command: Client "<FOGIP>", "LIST -a /var/www/html/fogservice/ipxe"
Wed Feb  7 12:37:05 2018 [pid 15595] [fog] FTP response: Client "<FOGIP>", "150 Here comes the directory listing."
Wed Feb  7 12:37:05 2018 [pid 15595] [fog] FTP response: Client "<FOGIP>", "226 Transfer done (but failed to open directory)."
Wed Feb  7 12:37:05 2018 [pid 15595] [fog] FTP command: Client "<FOGIP>", "RNFR /tmp/bzImage"
Wed Feb  7 12:37:05 2018 [pid 15595] [fog] FTP response: Client "<FOGIP>", "550 RNFR command failed."
Wed Feb  7 12:37:05 2018 [pid 15595] [fog] FAIL RENAME: Client "<FOGIP>", "/tmp/bzImage"
[Wed Feb 07 12:37:05.184327 2018] [:error] [pid 1410] [client <CLIENT_IP>:45345] PHP Warning:  ftp_rename(): RNFR command failed. in /var/www/html/fog/lib/fog/fogftp.class.php on line 769, referer: http://xyzfog/fog/management/index.php?node=about&sub=kernel&file=aHR0cHM6Ly9mb2dwcm9qZWN0Lm9yZy9rZXJuZWxzL0tlcm5lbC5Ub21FbGxpb3R0LjQuMTMuNC42NA==&arch=64
Wed Feb  7 12:37:05 2018 [pid 15595] [fog] FTP command: Client "<FOGIP>", "TYPE I"
Wed Feb  7 12:37:05 2018 [pid 15595] [fog] FTP response: Client "<FOGIP>", "200 Switching to Binary mode."
Wed Feb  7 12:37:05 2018 [pid 15595] [fog] FTP command: Client "<FOGIP>", "PASV"
Wed Feb  7 12:37:05 2018 [pid 15595] [fog] FTP response: Client "<FOGIP>", "227 Entering Passive Mode (<FOGIP>,47,255)."
Wed Feb  7 12:37:05 2018 [pid 15595] [fog] FTP command: Client "<FOGIP>", "STOR /var/www/html/fogservice/ipxe/bzImage"
Wed Feb  7 12:37:05 2018 [pid 15595] [fog] FTP response: Client "<FOGIP>", "553 Could not create file."
Wed Feb  7 12:37:05 2018 [pid 15595] [fog] FAIL UPLOAD: Client "<FOGIP>", "/var/www/html/fogservice/ipxe/bzImage", 0.00Kbyte/sec
[Wed Feb 07 12:37:05.185077 2018] [:error] [pid 1410] [client <CLIENT_IP>:45345] PHP Warning:  ftp_put(): Could not create file. in /var/www/html/fog/lib/fog/fogftp.class.php on line 707, referer: http://xyzfog/fog/management/index.php?node=about&sub=kernel&file=aHR0cHM6Ly9mb2dwcm9qZWN0Lm9yZy9rZXJuZWxzL0tlcm5lbC5Ub21FbGxpb3R0LjQuMTMuNC42NA==&arch=64
Wed Feb  7 12:37:05 2018 [pid 15595] [fog] FTP command: Client "<FOGIP>", "QUIT"
Wed Feb  7 12:37:05 2018 [pid 15595] [fog] FTP response: Client "<FOGIP>", "221 Goodbye."

                                [ Standing in between extinction in the cold and explosive radiating growth ]

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                                • S
                                  Sebastian Roth Moderator
                                  last edited by Sebastian Roth

                                  @sudburr Great log file you posted. See the path is /var/www/html/fogservice/ipxe and I reckon there is a slash missing. Check TFTP_PXE_KERNEL_DIR in the FOG web UI -> FOG Configuration -> FOG Settings -> TFTP Server - should be /var/www/html/fog/service/ipxe/

                                  Web GUI issue? Please check apache error (debian/ubuntu: /var/log/apache2/error.log, centos/fedora/rhel: /var/log/httpd/error_log) and php-fpm log (/var/log/php*-fpm.log)

                                  Please support FOG if you like it: https://wiki.fogproject.org/wiki/index.php/Support_FOG

                                  sudburrS 1 Reply Last reply Reply Quote 1
                                  • sudburrS
                                    sudburr @Sebastian Roth
                                    last edited by sudburr

                                    @sebastian-roth That did the trick! That server can now update its kernel.

                                    It’s interesting to see how two different causes have similar results.

                                    [ Standing in between extinction in the cold and explosive radiating growth ]

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