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When enabling MariaDB (BR2_PACKAGE_MARIADB=y) and systemd
(BR2_INIT_SYSTEMD=y) in buildroot, the mysqld.service fail to start
with a permission error. See output of command:
journalctl --unit=mysqld
Which shows:
systemd[1]: Starting MySQL database server...
install[102]: install: can't create directory '/var/log/mysql': Permission denied
systemd[1]: mysqld.service: Control process exited, code=exited, status=1/FAILURE
Since the service file includes the "User=mysql" directive, the
"ExecStartPre=" is executed as this user, which does not have
permission to create a directory in "/var/log".
This commit fixes this issue by adding the "!" prefix, which will
execute the command with full privileges. See the systemd.service manual
page entry for "ExecStart=", table "Special executable prefixes":
https://www.freedesktop.org/software/systemd/man/systemd.service.html#ExecStart=
or https://github.com/systemd/systemd/blob/v250/man/systemd.service.xml#L339
Moreover, the "mysql_install_db" invocation does not need this special
prefix, as the "/var/lib/mysql" directory on target is already owned
by the "mysql" user. The "chown" command is also useless and is
removed in this commit.
Reported-by: Gilles Talis <gilles.talis@gmail.com>
Signed-off-by: Julien Olivain <ju.o@free.fr>
Tested-By: Gilles Talis <gilles.talis@gmail.com>
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
(cherry picked from commit fd03d4f057)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
Buildroot is a simple, efficient and easy-to-use tool to generate embedded Linux systems through cross-compilation. The documentation can be found in docs/manual. You can generate a text document with 'make manual-text' and read output/docs/manual/manual.text. Online documentation can be found at http://buildroot.org/docs.html To build and use the buildroot stuff, do the following: 1) run 'make menuconfig' 2) select the target architecture and the packages you wish to compile 3) run 'make' 4) wait while it compiles 5) find the kernel, bootloader, root filesystem, etc. in output/images You do not need to be root to build or run buildroot. Have fun! Buildroot comes with a basic configuration for a number of boards. Run 'make list-defconfigs' to view the list of provided configurations. Please feed suggestions, bug reports, insults, and bribes back to the buildroot mailing list: buildroot@buildroot.org You can also find us on #buildroot on OFTC IRC. If you would like to contribute patches, please read https://buildroot.org/manual.html#submitting-patches