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86 lines
2.5 KiB
Bash
86 lines
2.5 KiB
Bash
#!/bin/sh
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# Start/stop/restart mysqld.
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#
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# Copyright 2003 Patrick J. Volkerding, Concord, CA
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# Copyright 2003 Slackware Linux, Inc., Concord, CA
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# Copyright 2008 Patrick J. Volkerding, Sebeka, MN
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#
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# This program comes with NO WARRANTY, to the extent permitted by law.
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# You may redistribute copies of this program under the terms of the
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# GNU General Public License.
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# To start MySQL automatically at boot, be sure this script is executable:
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# chmod 755 /etc/rc.d/rc.mysqld
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# Before you can run MySQL, you must have a database. To install an initial
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# database, do this as root:
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#
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# mysql_install_db --user=mysql
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#
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# Note that the mysql user must exist in /etc/passwd, and the created files
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# will be owned by this dedicated user. This is important, or else mysql
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# (which runs as user "mysql") will not be able to write to the database
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# later (this can be fixed with 'chown -R mysql.mysql /var/lib/mysql').
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#
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# To increase system security, consider using "mysql_secure_installation"
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# as well. For more information on this tool, please read:
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# man mysql_secure_installation
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# To allow outside connections to the database comment out the next line.
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# If you don't need incoming network connections, then leave the line
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# uncommented to improve system security.
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SKIP="--skip-networking"
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# Start mysqld:
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mysqld_start() {
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if [ -x /usr/bin/mysqld_safe ]; then
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# If there is an old PID file (no mysqld running), clean it up:
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if [ -r /var/run/mysql/mysql.pid ]; then
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if ! ps axc | grep mysqld 1> /dev/null 2> /dev/null ; then
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echo "Cleaning up old /var/run/mysql/mysql.pid."
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rm -f /var/run/mysql/mysql.pid
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fi
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fi
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/usr/bin/mysqld_safe --datadir=/var/lib/mysql --pid-file=/var/run/mysql/mysql.pid $SKIP &
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fi
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}
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# Stop mysqld:
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mysqld_stop() {
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# If there is no PID file, ignore this request...
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if [ -r /var/run/mysql/mysql.pid ]; then
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killall mysqld
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# Wait at least one minute for it to exit, as we don't know how big the DB is...
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for second in 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 \
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0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 60 ; do
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if [ ! -r /var/run/mysql/mysql.pid ]; then
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break;
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fi
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sleep 1
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done
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if [ "$second" = "60" ]; then
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echo "WARNING: Gave up waiting for mysqld to exit!"
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sleep 15
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fi
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fi
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}
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# Restart mysqld:
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mysqld_restart() {
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mysqld_stop
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mysqld_start
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}
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case "$1" in
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'start')
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mysqld_start
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;;
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'stop')
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mysqld_stop
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;;
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'restart')
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mysqld_restart
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;;
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*)
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echo "usage $0 start|stop|restart"
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esac
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