how to install mysql proxy quick and easy

In the linux ubuntu or redhat/centos (yum) just use the default package manager. For my post I am using ubuntu as an example to illustrate my point.

sudo apt-get install mysql-proxy

You should be getting the following confirmation

Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages were automatically installed and are no longer required:
ttf-dejavu-extra libevent-extra-2.0-5 libmysql++3 libdbi1 libapr1 librrd4 libcairo2 libmysqlclient-dev libaprutil1-ldap libthai-data libreadline6-dev libpcrecpp0 libsvn1 libdatrie1
fontconfig libtinfo-dev libpixman-1-0 libevent-openssl-2.0-5 libaprutil1-dbd-sqlite3 libonig2 libthai0 libneon27-gnutls zlib1g-dev libevent-pthreads-2.0-5 libzzip-0-13 ttf-dejavu
libdb4.8 libpq5 libpcre3-dev libpango1.0-0 libxcb-render0 libxcb-shm0 libaprutil1 libevent-core-2.0-5 libfcgi0ldbl libreadline-dev

However, to run the mysql-proxy there is a few tweak needed, assuming that you are not using mysql-proxy beyond just a proxy.

To start up mysql-proxy, you may issue the command such as this :
sudo mysql-proxy --defaults-file=/etc/mysql/mysql_proxy.cnf &

The configuration of mysql_proxy.cnf :

log-file = /opt/apps/logs/mysql-proxy/mysql-proxy.log
log-level = debug
proxy-backend-addresses =
admin-username = root
admin-password = for_my_eyes_only

If the mysql-proxy fails to start as a daemon, it is best to check the logs at /opt/apps/logs/mysql-proxy/mysql-proxy.log :

root@ckm-myprox:/opt/apps/logs/mysql-proxy$ sudo tail -f mysql-proxy.log
2014-06-11 20:58:27: (message) mysql-proxy 0.8.1 started
2014-06-11 20:58:27: (debug) max open file-descriptors = 1024
2014-06-11 20:58:27: (critical) admin-plugin.c:579: --admin-lua-script needs to be set, /lib/mysql-proxy/lua/admin.lua may be a good value
2014-06-11 20:58:27: (critical) mainloop.c:267: applying config of plugin admin failed
2014-06-11 20:58:27: (critical) mysql-proxy-cli.c:596: Failure from chassis_mainloop. Shutting down.
2014-06-11 20:58:27: (message) Initiating shutdown, requested from mysql-proxy-cli.c:597
2014-06-11 20:58:27: (message) shutting down normally, exit code is: 1

The last line of the log, just confirmed the mysql-proxy were failed to start due admin lua were not set. To skip the admin lua function(assuming that it will not be used). Start the mysql with :
sudo mysql-proxy --defaults-file=/etc/mysql/mysql_proxy.cnf --plugins=proxy &

Take note that my post on installing mysql-proxy, the version is 0.8.4 and the stock from ubuntu repository is 0.8.1 .

Migrating MSDE 2000 db to MSSQL 2005 Express

Scenario :
An ASP web application in which the backend DBMS is running on MSDE 2000 SQL Server.

Objective :
Making the ASP web application to use MSSQL 2005 Express on to the server. On top of that database created on the MSDE 2000 Instance needs to be migrated over to the MSSQL 2005 .

Scope :
1. MSDE 2000 SQL Server instance name is localhostHELM , MSSQL db name HelmDb.
2. MSDE 2000 SQL Server instance is running at a non MSSQL default port (not 1433).
3. MSSQL Server 2005 Express is used.
4. Using default MSSQL Server 2005 Express instance localhostSQLEXPRESS .
5. OS used Windows Server 2003.

Workflow : Continue reading