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[Linux] Find/search text in file under directory 12 Mar 2013 | 03:13 am

To search text in file under directory/subdirectory, for example we want to find php file under /home directory contains text “eval” in the content, we can use command :

[CentOS-RedHat] Linux /boot: Out of Disk Space While Installing Package kernel 21 Jan 2013 | 11:21 am

When updating Kernel using YUM, i got this error message : It means /boot partition is out of disk space. You need to verify this with the df command you must have at least 40MB space on /boot partiti...

[JQuery] Open POST result in new window 16 Oct 2012 | 04:06 pm

[Oracle] Automatically Kill inactive Sessions 28 Sep 2012 | 05:55 pm

The problem you could face with arbitrary killing of inactive sessions is that you may kill a session that was still running (it could have just completed one procedure & hadn’t yet started another). ...

[Oracle] instance recovery required, cannot set ARCHIVELOG mode 26 Sep 2012 | 01:00 pm

When I try to set archivelog in another machine using this guidance. I’ve got this error message : From Manual, the error describe here : ORA-00265: instance recovery required, cannot set ARCHIVELOG m...

[Solaris] Check CPU Speed & Memory Size 26 Sep 2012 | 09:07 am

SUN OS based on UNIX, but has different structure with another linux system. For example in Linux, you can easily check CPU & Memory info using /proc/cpuinfo and /proc/meminfo, or you can check hardwa...

[Oracle] Setting ArchiveLog mode 25 Sep 2012 | 01:51 pm

What Is Archive Log? As a DBA, you are responsible to recover any failures to a point of failure and also to perform your backup while online. Your organization is a 24×7 shop and you are not able to ...

[Oracle] Troubleshoot “Connected to an idle instance.” 24 Sep 2012 | 01:57 pm

Problem : You have an Oracle instance, and you know it’s running on the system, when you’re trying to connect using “/ as sysdba” it says the instance is idle. You know the database is up and opened, ...

[CentOS] Change SSH Port and create multiple port SSH Linux 3 Aug 2012 | 06:23 am

Default port for SSH is port 22, for security reason sometimes we need to change port for SSH to another port or maybe for some reason, system administrator need add more port for SSH access. The foll...

[PHP] Extract XML Data 24 Jul 2012 | 04:56 pm

XML was designed to transport and store data. The design goals of XML emphasize simplicity, generality, and usability over the Internet. It is a textual data format with strong support via Unicode for...

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