Fix multi instances
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@ -1322,29 +1322,29 @@ user = mysqladmin
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Créer un utilisateur pour l'instance (il doit avoir un shell valide comme `/bin/sh`) :
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~~~
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# useradd mysql-foo
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# useradd mysqld1
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~~~
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Créer le dossier qui va accueillir le *datadir* et donner les bons droits :
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~~~
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# mkdir -p /srv/mysql-instances/foo
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# mkdir -p /srv/mysql-instances/mysqld1
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# chmod 755 /srv /srv/mysql-instances
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# chown -R mysql-foo:mysql-foo /srv/mysql-instances
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# chown -R mysqld1:mysqld1 /srv/mysql-instances/mysqld1
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~~~
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Créer un repertoire temporaire dédié à cette instance :
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~~~
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# mkdir /home/mysql-instances-tmp
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# chown mysql-foo:mysql-foo /home/mysql-instances-tmp
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# mkdir /home/mysqld1-tmp
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# chown mysqld1:mysqld1 /home/mysqld1-tmp
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~~~
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Créer ensuite le *datadir* :
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~~~
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# mysql_install_db --user=mysql-foo --datadir=/srv/mysql-instances/foo
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# chmod 700 /srv/mysql-instances/foo
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# mysql_install_db --user=mysqld1 --datadir=/srv/mysql-instances/mysqld1
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# chmod 700 /srv/mysql-instances/mysqld1
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~~~
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Ajouter ces lignes dans `/etc/mysql/conf.d/zzz_mysqld1.cnf` :
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@ -1352,11 +1352,22 @@ Ajouter ces lignes dans `/etc/mysql/conf.d/zzz_mysqld1.cnf` :
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~~~{.ini}
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[mysqld1]
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mysqld = /usr/bin/mysqld_safe
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user = mysql-foo
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user = mysqld1
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port = 3307
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socket = /var/run/mysqld-foo/mysqld.sock
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pid-file = /var/run/mysqld-foo/mysqld.pid
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datadir = /home/mysql-foo
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[mysqld1]
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mysqld = /usr/bin/mysqld_safe
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user = mysqld1
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port = 3307
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tmpdir = /home/mysqld1-tmp/
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socket = /var/run/mysqld_instances/mysqld1/mysqld.sock
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pid-file = /var/run/mysqld_instances/mysqld1/mysqld.pid
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datadir = /srv/mysqld_instances/mysqld1
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log_error = /var/log/mysql/mysqld1/error.log
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slow_query_log_file = /var/log/mysql/mysqld1/mysql-slow.log
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~~~
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> *Note 1* : même si l'on ne prévoit pas de faire tourner le mysqld principal sur le port 3306,
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@ -1374,7 +1385,7 @@ skip-slave-start
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Créer le répertoire qui contiendra le socket et le fichier PID :
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~~~
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# install -d /var/run/mysqld-foo -o mysql-foo -g root -m 755
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# install -d /var/run/mysqld1 -o mysqld1 -g root -m 755
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~~~
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Faire de même avec tmpfiles.d(5), pour créer ce dossier au démarrage de la machine :
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