Citation of Interesting article written by Cameron Chapman about the Future of User Interfaces.
User interfaces—the way we interact with our technologies—have evolved a lot over the years.
From the original punch cards and printouts to monitors, mouses, and keyboards, all the way to the track pad, voice recognition, and interfaces designed to make it easier [...]
Continue Reading
System integrity using Files, Permissions, Processes, Root and Sudo
Posted on 04. Mar, 2010 by sabin.
To be a good in system administration, we have to understand the basics of files, processes and permissions of our Linux/Unix hosts. Therefore, in this article, we will cover the basic stuffs regarding files, processes, permissions, the SUPERUSER “root” account and the sudo program.
Every file and process on a Linux/Unix system is owned by a [...]
Continue Reading
Check the configuration parameters of Rman.
Connect to Rman without catalog. Controlfile is used to store Rman metadata:
You need to set the environment before invoking Rman:
ORACLE_BASE=/u01/app/oracle
ORACLE_HOME=$ORACLE_BASE/product/11.1.0/db_1
ORA_CRS_HOME=/u01/app/crs
ORACLE_PATH= $ORACLE_BASE/common/oracle/sql:.:$ORACLE_HOME/rdbms/admin
ORACLE_SID=mars1
$rman target / nocatalog
RMAN> show all;
RMAN>exit;
———————————–
rmanbackupconf.sh
rman target / nocatalog <<EOF
CONFIGURE RETENTION POLICY TO REDUNDANCY 1; # default
CONFIGURE BACKUP OPTIMIZATION OFF; # default
CONFIGURE DEFAULT DEVICE TYPE TO DISK; # default
CONFIGURE CONTROLFILE [...]
Continue Reading
Configure Password
——————–
1. Change to global mode: config t
2. To Set enable password: enable password “chicagotech’
3. To set secret password: enable secret “ms-mvp”
Note:
1: Enable secret password is encrypted by default. Enable password is not.
2: If both enable secret and enable password are specified, the enable secret overrides the enable password.
1. Set a console password to chicagotech
1) [...]
Continue Reading
http://centos.karan.org/el4/extras/stable/i386/RPMS/repodata/repoview/Applications.Multimedia.group.html
# yum info xmms
# yum install xmms-mp3
http://rpm.pbone.net/index.php3/stat/4/idpl/1703961/com/bmp-0.9.7-0.lvn.3.3.i386.rpm.html
None of RedHat distributions ships with MP3 support because patent issues.
In CentOS 4 you have 3 choices:
a) Use Rhythmbox: in my opinion, I don’t recomended this option. This program crash a lot !. For put MP3 support download and install this RPM:
http://ftp.freshrpms.net/pub/freshrpms/fedora/linux/3/gstreamer-plugins-extra/gstreamer-plugins-extra-audio-0.8.6-2.1.fc3.fr.i386.rpm
You will [...]
Continue Reading
1) linux rescue
2) skip mounting and go to command prompt
3) Run the following command to activate the LVM partition
lvm vgchange -a y
5)You should be able to address the activated LVMs. If you have trouble with their naming, run:
lvm lvscan
6) check the partition
fdisk -l
7) Check and repair each logical volume’s filesystem by running something like [...]
Continue Reading
This How-To guides you through the steps to install and configure the most popular and powerful Apache-2.2.8 web server with PHP-5.2.5 and Mysql-5.0.45.
This How-To can be used either on Linux with Kernel version 2.4 and higher or on FreeBSD-6.x systems.
From wikipedia, the definition of a web server is as follows:
A computer program that [...]
Continue Reading
Orac is the creation of a dedicated group of volunteer programmers led by Andy J. Duncan. Some of the major contributors include Kevin Brannen and Thomas Lowery, but many others too numerous to mention have contributed as well. A list of most of the contributors is included in the README file that accompanies the program. [...]
Continue Reading
http://enterpriselinuxlog.blogs.techtarget.com/category/scripts/
We received another user-submitted Linux script for our “Share scripts… win Starbucks” series. This one comes from David Witham, who writes:
I administer a consumer VoIP switch for a VSP. The switch acts as a SIP registrar and proxy. Many thousands of devices register and re-register with the registrar every few minutes so there’s a pretty [...]
Continue Reading
http://www.materialdreams.com/oracle/
http://www.orafaq.com/
http://www.orafaq.com/scripts/
http://www.idevelopment.info/data/Oracle/DBA_tips/Sun_Solaris/SUNSOLARIS_5.shtml
http://www.dbasupport.com/oracle/scripts/
The OracleResourceStop Script Archive
Mark Lang’s Script collection
OraMag’s Code Depot
Material Dreams’ DBA Scripts
Biju’s Oracle tips and scripts page
Steve Rea’s Oracle Tips, Tricks, and Scripts
Tracing the Sessions(s) of a Given User
In a case where you cannot (because you don’t have enough time, for example) query V$SESSION to initiate a trace for the session, and you have to [...]
