From: Reindl Harald
Date: January 1 2012 4:15pm
Subject: Re: (off topic) why PATH
List-Archive: http://lists.mysql.com/mysql/226538
Message-Id: <4F008696.3070409@thelounge.net>
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Am 01.01.2012 16:52, schrieb Claudio Nanni:
> I think today is really out of date

prove this!

> today you need to tune and twist
> the system at your needs to get the best out of it

so what, on a modern linux you can tweak much more
you wold ever be able on a Mac AND it is much
faster without tuning for mysql, php, apache....

> With my technique for instance you can setup a mysql cluster on one
> machine(for testing purposes) without the overhead of virtualization.
> In my opinion the OS should be an abstraction of the hardware and the
> software as independent as possible from it.

on a clean operating system there is NO DIFFERENCE between OS and softwar=
e

your argumentation is the one of a apple-user which never did understand
the benfits of a centralized package managment because you do not know it=


* consistency
  * programs and libraries are matching
  * clean dependencies

* security
  * each library only ONCE, patches are fixing EVERY application using th=
is lib
  * permissions - a typical RPM makes sure the permissions of each file
  * never give the user write permissions to the applications folder

especially the points of security are badly missing on MacOSX which
is these days the most insecure recent OS out there
_____________________

you need different mysql-services with different config on one machine
well, write yor my.cnf whereever you want and create an additional servic=
e

you need more webservers with different module/php-configurations?
well, do the same with httpd.service

you need different versions of a sfotware?
well, learn to use rpmbuild and RTFM ./configure
_____________________

[root@srv-rhsoft:~]$ cat /lib/systemd/system/mysqld.service
[Unit]
Description=3DMySQL Database
Before=3Dpostfix.service dovecot.service dbmail-imapd.service dbmail-lmtp=
d.service dbmail-pop3d.service
dbmail-postfix-policyd.service
[Service]
Type=3Dsimple
PIDFile=3D/var/run/mysqld/mysqld.pid
ExecStartPre=3D/usr/libexec/mysqld-prepare-db-dir
ExecStart=3D/usr/libexec/mysqld --defaults-file=3D/etc/my.cnf --pid-file=3D=
/var/run/mysqld/mysqld.pid
--socket=3D/var/lib/mysql/mysql.sock --open-files-limit=3D30000 --basedir=
=3D/usr --user=3Dmysql
ExecStartPost=3D/usr/libexec/mysqld-wait-ready $MAINPID
ExecStop=3D/bin/kill -15 $MAINPID
Restart=3Dalways
RestartSec=3D1
TimeoutSec=3D300
LimitNOFILE=3D30000
LimitMEMLOCK=3Dinfinity
SysVStartPriority=3D64

[Install]
WantedBy=3Dmulti-user.target
[root@srv-rhsoft:~]$ cat /lib/systemd/system/replication.service
[Unit]
Description=3DMySQL Replication
[Service]
Type=3Dsimple
PIDFile=3D/var/run/mysqld/mysqld_replication.pid
ExecStart=3D/usr/libexec/mysqld --defaults-file=3D/etc/my-replication.cnf=

--pid-file=3D/var/run/mysqld/mysqld_replication.pid --socket=3D/var/lib/m=
ysql/mysql_replication.sock
--open-files-limit=3D30000 --basedir=3D/usr --user=3Dmysql
ExecStop=3D/bin/kill -15 $MAINPID
Restart=3Dalways
RestartSec=3D1
TimeoutSec=3D300
LimitNOFILE=3D30000
LimitMEMLOCK=3Dinfinity
SysVStartPriority=3D64
[Install]
WantedBy=3Dmulti-user.target



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