How to back-up MySQL in a snap

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I've installed NextCloud in a snap under Ubuntu 16.04 LTS. The MySQL installation in the snap uses a socket file locate in the snap's (containerized) /tmp rather than a network socket. I don't want to reconfigure the snap's MySQL configuration to add a network listener, as I expect that such changes might get lost with upgrades or re-installations.



I want to back up NextCloud's MySQL environment using mysqldump, but without a network listener I need to know the location of the socket file as it appears to the host (non-snap) environment. At the moment, I've found the socket appears to the host system as "/tmp/snap.0_nextcloud_eKluT5/tmp/sockets/mysql.sock", but I don't think that path will stay consistent. Is there a way to dynamically query the mappings between the snap environment and the host environment (e.g. the snap's /tmp maps to the hosts /tmp/snap.0_nextcloud_eKluT5/tmp)?










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    I've installed NextCloud in a snap under Ubuntu 16.04 LTS. The MySQL installation in the snap uses a socket file locate in the snap's (containerized) /tmp rather than a network socket. I don't want to reconfigure the snap's MySQL configuration to add a network listener, as I expect that such changes might get lost with upgrades or re-installations.



    I want to back up NextCloud's MySQL environment using mysqldump, but without a network listener I need to know the location of the socket file as it appears to the host (non-snap) environment. At the moment, I've found the socket appears to the host system as "/tmp/snap.0_nextcloud_eKluT5/tmp/sockets/mysql.sock", but I don't think that path will stay consistent. Is there a way to dynamically query the mappings between the snap environment and the host environment (e.g. the snap's /tmp maps to the hosts /tmp/snap.0_nextcloud_eKluT5/tmp)?










    share|improve this question























      up vote
      1
      down vote

      favorite









      up vote
      1
      down vote

      favorite











      I've installed NextCloud in a snap under Ubuntu 16.04 LTS. The MySQL installation in the snap uses a socket file locate in the snap's (containerized) /tmp rather than a network socket. I don't want to reconfigure the snap's MySQL configuration to add a network listener, as I expect that such changes might get lost with upgrades or re-installations.



      I want to back up NextCloud's MySQL environment using mysqldump, but without a network listener I need to know the location of the socket file as it appears to the host (non-snap) environment. At the moment, I've found the socket appears to the host system as "/tmp/snap.0_nextcloud_eKluT5/tmp/sockets/mysql.sock", but I don't think that path will stay consistent. Is there a way to dynamically query the mappings between the snap environment and the host environment (e.g. the snap's /tmp maps to the hosts /tmp/snap.0_nextcloud_eKluT5/tmp)?










      share|improve this question













      I've installed NextCloud in a snap under Ubuntu 16.04 LTS. The MySQL installation in the snap uses a socket file locate in the snap's (containerized) /tmp rather than a network socket. I don't want to reconfigure the snap's MySQL configuration to add a network listener, as I expect that such changes might get lost with upgrades or re-installations.



      I want to back up NextCloud's MySQL environment using mysqldump, but without a network listener I need to know the location of the socket file as it appears to the host (non-snap) environment. At the moment, I've found the socket appears to the host system as "/tmp/snap.0_nextcloud_eKluT5/tmp/sockets/mysql.sock", but I don't think that path will stay consistent. Is there a way to dynamically query the mappings between the snap environment and the host environment (e.g. the snap's /tmp maps to the hosts /tmp/snap.0_nextcloud_eKluT5/tmp)?







      mysql snap






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      asked Feb 24 at 20:30









      B.Martin

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