Es gibt ähnliche Fragen, aber keine davon hat mein Problem gelöst, also entschuldige ich mich, wenn ich etwas übersehen habe.
Ich habe gerade mysqldbcopyeine Kopie einer Datenbank erstellt, als in meiner Instanz der freie Speicherplatz aufgebraucht war. Mysql stürzte ab und konnte nicht neu gestartet werden. Um Speicherplatz freizugeben, habe ich den Ordner mit dem neuen Datenbanknamen aus gelöscht /var/lib/mysql. Mysql ließ sich immer noch nicht neu starten, also habe ich es entfernt /var/lib/mysqlund versucht, es mit neu zu installieren sudo mysql_install_db. Das hat funktioniert, aber ich konnte mich nicht mehr mit oder ohne mein Passwort anmelden und ich konnte mein Passwort nicht zurücksetzen.
Als letzten Versuch habe ich
sudo apt-get remove --purge mysql*
aber wenn ich es neu installiere, bekomme ich
Do you want to continue? [Y/n] y
Preconfiguring packages ...
Selecting previously unselected package mysql-server-core-5.7.
(Reading database ... 94735 files and directories currently installed.)
Preparing to unpack .../mysql-server-core-5.7_5.7.18-0ubuntu0.16.04.1_amd64.deb ...
Unpacking mysql-server-core-5.7 (5.7.18-0ubuntu0.16.04.1) ...
Selecting previously unselected package mysql-server-5.7.
Preparing to unpack .../mysql-server-5.7_5.7.18-0ubuntu0.16.04.1_amd64.deb ...
Unpacking mysql-server-5.7 (5.7.18-0ubuntu0.16.04.1) ...
Selecting previously unselected package mysql-server.
Preparing to unpack .../mysql-server_5.7.18-0ubuntu0.16.04.1_all.deb ...
Unpacking mysql-server (5.7.18-0ubuntu0.16.04.1) ...
Processing triggers for man-db (2.7.5-1) ...
Processing triggers for systemd (229-4ubuntu16) ...
Processing triggers for ureadahead (0.100.0-19) ...
Setting up mysql-server-core-5.7 (5.7.18-0ubuntu0.16.04.1) ...
Setting up mysql-server-5.7 (5.7.18-0ubuntu0.16.04.1) ...
update-alternatives: using /etc/mysql/mysql.cnf to provide /etc/mysql/my.cnf (my.cnf) in auto mode
Renaming removed key_buffer and myisam-recover options (if present)
mysql_upgrade: Got error: 1045: Access denied for user 'debian-sys-maint'@'localhost' (using password: YES) while connecting to the MySQL server
Upgrade process encountered error and will not continue.
mysql_upgrade failed with exit status 11
dpkg: error processing package mysql-server-5.7 (--configure):
subprocess installed post-installation script returned error exit status 1
dpkg: dependency problems prevent configuration of mysql-server:
mysql-server depends on mysql-server-5.7; however:
Package mysql-server-5.7 is not configured yet.
dpkg: error processing package mysql-server (--configure):
dependency problems - leaving unconfigured
Processing triggers for systemd (229-4ubuntu16) ...No apport report written because the error message indicates its a followup error from a previous failure.
Processing triggers for ureadahead (0.100.0-19) ...
Errors were encountered while processing:
mysql-server-5.7
mysql-server
E: Sub-process /usr/bin/dpkg returned an error code (1)
Mir gehen die Ideen aus. Ich bin für jeden Vorschlag dankbar.
Ausgabe von sudo dpkg -r --force-all mysql-server mysql-server-5.7 && sudo apt install -f:
$ sudo dpkg -r --force-all mysql-server mysql-server-5.7 && sudo apt install -f
(Reading database ... 94924 files and directories currently installed.)
Removing mysql-server (5.7.18-0ubuntu0.16.04.1) ...
Removing mysql-server-5.7 (5.7.18-0ubuntu0.16.04.1) ...
update-alternatives: using /etc/mysql/my.cnf.fallback to provide /etc/mysql/my.cnf (my.cnf) in auto mode
Processing triggers for man-db (2.7.5-1) ...
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages were automatically installed and are no longer required:
libcgi-fast-perl libcgi-pm-perl libencode-locale-perl libevent-core-2.0-5 libfcgi-perl
libhtml-parser-perl libhtml-tagset-perl libhtml-template-perl libhttp-date-perl
libhttp-message-perl libio-html-perl liblwp-mediatypes-perl libtimedate-perl liburi-perl
mysql-server-core-5.7 python-mysql.connector
Use 'sudo apt autoremove' to remove them.
0 upgraded, 0 newly installed, 0 to remove and 50 not upgraded.
Ausgabe vonsudo apt-get install mysql-server
$ sudo apt-get install mysql-server
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following package was automatically installed and is no longer required:
python-mysql.connector
Use 'sudo apt autoremove' to remove it.
The following additional packages will be installed:
mysql-server-5.7
Suggested packages:
mailx tinyca
The following NEW packages will be installed:
mysql-server mysql-server-5.7
0 upgraded, 2 newly installed, 0 to remove and 50 not upgraded.
Need to get 0 B/2,565 kB of archives.
After this operation, 48.5 MB of additional disk space will be used.
Do you want to continue? [Y/n] y
Preconfiguring packages ...
Selecting previously unselected package mysql-server-5.7.
(Reading database ... 94847 files and directories currently installed.)
Preparing to unpack .../mysql-server-5.7_5.7.18-0ubuntu0.16.04.1_amd64.deb ...
Unpacking mysql-server-5.7 (5.7.18-0ubuntu0.16.04.1) ...
Selecting previously unselected package mysql-server.
Preparing to unpack .../mysql-server_5.7.18-0ubuntu0.16.04.1_all.deb ...
Unpacking mysql-server (5.7.18-0ubuntu0.16.04.1) ...
Processing triggers for systemd (229-4ubuntu16) ...
Processing triggers for ureadahead (0.100.0-19) ...
Processing triggers for man-db (2.7.5-1) ...
Setting up mysql-server-5.7 (5.7.18-0ubuntu0.16.04.1) ...
update-alternatives: using /etc/mysql/mysql.cnf to provide /etc/mysql/my.cnf (my.cnf) in auto mode
Renaming removed key_buffer and myisam-recover options (if present)
mysql_upgrade: Got error: 1045: Access denied for user 'debian-sys-maint'@'localhost' (using password: YES) while connecting to the MySQL server
Upgrade process encountered error and will not continue.
mysql_upgrade failed with exit status 11
dpkg: error processing package mysql-server-5.7 (--configure):
subprocess installed post-installation script returned error exit status 1
dpkg: dependency problems prevent configuration of mysql-server:
mysql-server depends on mysql-server-5.7; however:
Package mysql-server-5.7 is not configured yet.
dpkg: error processing package mysql-server (--configure):
dependency problems - leaving unconfigured
No apport report written because the error message indicates its a followup error from a previous failure.
Errors were encountered while processing:
mysql-server-5.7
mysql-server
E: Sub-process /usr/bin/dpkg returned an error code (1)
Antwort1
Also habe ich versucht, es mysqldim Terminal auszuführen und sah
mysqld_safe Directory '/var/run/mysqld' for UNIX socket file don't e$ists.
was mich dazu brachte, einfach diesen Directort zu erstellen (und die Berechtigungen zu aktualisieren). Ich konnte dann
sudo mkdir -p /var/run/mysqld
sudo chown mysql:mysql /var/run/mysqld
Ich könnte dann im abgesicherten Modus starten
sudo /usr/bin/mysqld_safe --skip-grant-tables &
und legen Sie das Passwort manuell fest
USE mysql
UPDATE mysql.user
SET authentication_string=PASSWORD('hunter4')
WHERE user='root' AND host='localhost';