HowtoMySQL: Use ${instance} instead of 1
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@ -1521,29 +1521,31 @@ systemctl disable --now mariadb
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Créer un utilisateur dédié pour l'instance :
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Créer un utilisateur dédié pour l'instance :
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~~~
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~~~
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# useradd mysqld1
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instance=1
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useradd mysqld${instance}
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~~~
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~~~
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Créer les dossiers qui vont accueillir le *datadir* et les données temporaire avec les bons droits :
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Créer les dossiers qui vont accueillir le *datadir* et les données temporaire avec les bons droits :
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~~~
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~~~
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# mkdir -vp /srv/mysqld_instances/mysqld1 /home/mysqld1-tmp
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mkdir -vp /srv/mysqld_instances/mysqld${instance} /home/mysqld${instance}-tmp
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# touch /var/log/mysqld1.log
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touch /var/log/mysqld${instance}.log
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# chmod 755 /srv /srv/mysqld_instances
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chmod 755 /srv /srv/mysqld_instances
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# chown -R mysqld1:mysqld1 /srv/mysqld_instances/mysqld1 /home/mysqld1-tmp /var/log/mysqld1.log
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chown -R mysqld${instance}:mysqld${instance} /srv/mysqld_instances/mysqld${instance} /home/mysqld${instance}-tmp /var/log/mysqld${instance}.log
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~~~
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~~~
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Ajouter ces lignes dans `/etc/mysql/mariadb.conf.d/zzz_mysqld1.cnf` :
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Ajouter ces lignes dans `/etc/mysql/mariadb.conf.d/zzz_mysqld${instance}.cnf` :
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~~~{.ini}
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~~~{.ini}
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[mysqld1]
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echo "[mysqld${instance}]
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user = mysqld1
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user = mysqld${instance}
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port = 3307
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port = $((3306+${instance}))
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tmpdir = /home/mysqld1-tmp/
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tmpdir = /home/mysqld${instance}-tmp/
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socket = /var/run/mysqld1/mysqld1.sock
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socket = /var/run/mysqld${instance}/mysqld${instance}.sock
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pid-file = /var/run/mysqld1/mysqld1.pid
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pid-file = /var/run/mysqld${instance}/mysqld${instance}.pid
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datadir = /srv/mysqld_instances/mysqld1
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datadir = /srv/mysqld_instances/mysqld${instance}
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log_error = /var/log/mysqld1.log
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log_error = /var/log/mysqld${instance}.log" \
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> /etc/mysql/mariadb.conf.d/zzz_mysqld${instance}.cnf
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~~~
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~~~
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L'ajout de ces directives permet de désactiver l'héritage des valeurs issue de l'instance principale :
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L'ajout de ces directives permet de désactiver l'héritage des valeurs issue de l'instance principale :
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@ -1557,14 +1559,14 @@ slow_query_log = 0
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Ajuster les permissions du fichier de configuration :
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Ajuster les permissions du fichier de configuration :
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~~~
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~~~
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# chmod 644 /etc/mysql/mariadb.conf.d/zzz_mysqld1.cnf
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chmod 644 /etc/mysql/mariadb.conf.d/zzz_mysqld${instance}.cnf
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~~~
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~~~
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Créer manuellement le *datadir* :
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Créer manuellement le *datadir* :
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~~~
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~~~
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# mysql_install_db --user=mysqld1 --datadir=/srv/mysqld_instances/mysqld1 --defaults-file=/etc/mysql/mariadb.conf.d/zzz_mysqld1.cnf
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mysql_install_db --user=mysqld${instance} --datadir=/srv/mysqld_instances/mysqld${instance} --defaults-file=/etc/mysql/mariadb.conf.d/zzz_mysqld${instance}.cnf
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# chmod 700 /srv/mysqld_instances/mysqld1
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chmod 700 /srv/mysqld_instances/mysqld${instance}
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~~~
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~~~
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### Démarrer une instance avec systemd
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### Démarrer une instance avec systemd
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