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Data Protector: Object is a mounted filesystem => not restored.

Unexpected mounted filesystems detected when restoring a disk imageWhen restoring a disk image, you get a message that the disk image being restoredis a mounted filesystem and will not be restored: Object is a mounted filesystem => not restored. This happens when an application on the disk image leaves some patterns on thedisk image. The […]

Submitting WordPress post from frontend without a plugin

About This tutorial will guide you to create your own custom post composing form to enable fast blogging with your favorite theme without adding a plugin. I’m looking for any alternative to not porting P2, however…. none., ¬†finally that’s the reason i wrote it, and It was also inspired by the original development from http://wpshout.com/wordpress-submit-posts-from-frontend/. […]

Getting ORA-01180 error during database restoration

Why Having restore database from rman but got a ORA-01180 error, it happen often because your backup file source directory is different then original backup path. Let’s try Restore pfile and recreate all necessary directory eg: archive log, admin, a/b/c/udump, datafile… every directory you specified in the pfile Copy your backup pfile to %ORACLE_HOME%\dbs\ Restore […]

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MySQL tuning for dummies

Introduction There is so many people asking how to improve their mysql instance, and also so many replies that increase key_buffer, sort_buffer, cache size… etc… which believe will lighten up the performance. However, fellows never notice those parameters was actually efficient to their setup. So here you are MySqlTuner,

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Convert XML to CSV using xml2

What you need Red Hat Linux 4, 5 gcc libxml2 libxml2-devel xml2 Compiling xml2 1. Extract xml2 tar ball 2. Modify compiling option in “configure” file search line between 3428-3470, replace “libxml” with “libxml-2.0” for example: From To 3. Run configure 4. Modify the “Makefile” Change the “XML_CFALGS” var to

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Ubuntu 10.10 Maverick with HP Elitebook 2540p – Updated

Background After thousand time try and errors with linux distribution, opensuse, fedora, ubtuntu… etc, finally get it work perfectly on ubtuntu 10.10 Alpha 2 installation. There is some changes since 10.04, /etc/X11/xorg.conf is no more present after installation, Xorg now communicate with dbus to get best configure for your hardware. You may experience blank screen, […]

Pacemaker non-clones resource restart when clones stop/start on other nodes

Scenario Node alpha holds resource groups rg_vg01. Node beta holds the corresponding resources as same as alpha Both nodes hold instances of the CLVM DLM clone. As beta is switched into standby mode, the clone instance on beta correctly transition to the Stopped state. However, the rg_vg01 resource groups are restarted in-place on alpha needlessly. […]

Connect with local sysdba failed when database start up by CRS

What happen? A database started up by CRS successfully, but you can’t connect it by local sysdba “sqlplus / as sysdba”, however tnsping or connect with connection string “sqlplus system@prddb” works fine. Later, you tried to start the database alone manually, it works fine with both connection method. You inspected every crs log and alertlog […]


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