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Showing posts with the label Linux

Oracle SOA Suite Clustered Environment on Oracle Enterprise Linux 6.4

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Recently, I have successfully prepared Oracle SOA clustered environment on Oracle Enterprise Linux 6.4 in production mode. This clustered environment includes Admin Server which is running on port 7001 and two SOA Managed Servers. Both SOA clustered Managed Servers are running on same port i.e. 8001. Node Managers are also configured for all domains. Summary of Servers in Weblogic console

Oracle Application Adatper 11.1.1.4.0 connectivity issue with Siebel 8.1.1.5

Solution:-  Change the Object Manager name to 'SCCObjMgr_enu' in Advanced tab in Oracle Application Explorer. Further details see my OTN forum post:- My Post on OTN Forum  

Oracle Enterprise Linux 6.3 KDE

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Today I installed Oracle Enterprise Linux 6.3 with KDE and it remembers me the SUSE Linux Enterprise Server. I found OEL 6.3 KDE is very similar to SLES 11 KDE and here I am poisting some snapshorts of Oracle Enterprise Linux 6.3. OEL 6.3 Login Screen

Red Flag Asianux 4 Server

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Asia's largest open source software vendor Red Flag is launching a new version of Server Operating System Asianux 4. Asianux 4 is based on open framework, continue into the cloud computing and virtualization technologies that is used to develop a series of cloud computing products and solutions.

Best Desktop Linux Distribution

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In the past few year Ubuntu occupy the top position in the Linux Desktop Distribution. But after the release of Fedora 15 it come out on top spot in the Linux Desktop Distribution in 2011. Some features of Fedora 15 are given below.

Free - Open Source Version Control Software Systems

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Subversion is an open source version control system. Founded in 2000 by CollabNet, Inc. Subversion universally recognized and adopted as an open-source, centralized version control system characterized by its reliability as a safe haven for valuable data. The simplicity of its model and usage and its ability to support the needs of a wide variety of users and projects, from individuals to large-scale enterprise operations. Git is an open source distributed version control system for effective, high-speed processing from very small to very large project version management. Darcs is a free, open source source code management system. Darcs is easy to learn and efficient to use because it asks you questions in response to simple commands, giving you choices in your work flow. You can choose to record one change in a file, while ignoring another. As you update from upstream, you can review each patch name, even the full "diff" for interesting patches. Bazaar is a d...

Important Shell Scripting Questions with Answers

What is $*? Its mainly used for showing up all params. This show all parameter values passed in shell script What does $# stand for? # will return the number of parameters that are passed as the command-line arguments. What does $? Return? $? will return exit status of command .0 if command gets successfully executed ,non-zero if command failed. What are Different types of shells? sh : the oldest shell csh : C shell ksh : Korn Shell bash : bourne again shell  How do you read arguments in a shell program – $1, $2? Shell script accepts parameters in following format… $1 would be the first command line argument, $2 the second, and so on $0 is the name of the script or function If your script has more than 9 params then accept in following way… ${12} : 12th param ${18} : 18th param What are the different kinds of loops available in shell script ? for, if, while, case What is the difference between a shell variable that is exported and the one that is not exported?...

View Linux Directory Free Space Commands

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df-hl view the disk space left df-h view of the partition size for each root path  du-sh [directory name] returns the size of the directory du-sm [folder] to return to the folder number of the total Mv

openSUSE Linux 11.4 Released with Downloads

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openSUSE Linux 11.4 has been released with downloads Links. openSUSE Linux 11.4 Main Goals. Make openSUSE the easiest for anyone to become available and the most widely used Linux distributions. Joint use of open source software to make openSUSE the world's most available Linux distributions and Linux newbies and experienced users of the desktop environment. Significantly simplify and open up its development and packaging processes to make openSUSE a provider of Linux developers and software platform of choice.  Release Notes: http://news.opensuse.org/2011/03/10/opensuse-11-4/ http://download.opensuse.org/distribution/11.4/iso/openSUSE-11.4-KDE-LiveCD-i686.iso http://download.opensuse.org/distribution/11.4/iso/openSUSE-11.4-GNOME-LiveCD-i686.iso http://download.opensuse.org/distribution/11.4/iso/openSUSE-11.4-KDE-LiveCD-x86_64.iso http://download.opensuse.org/distribution/11.4/iso/openSUSE-11.4-GNOME-LiveCD-x86_64.iso

Top 7 Open Source Linux Distribution in 2011

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1) Ubuntu Linux 2) Mandriva Linux 3) PCLinuxOS   4) Gentoo Linux 5) openSUSE Linux   6) Debian 7) FreeBSD

SUSE Linux 11 Wallpapers

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SUSE Linux Black SUSE Linux Green SUSE Linux Inspiration

Oracle Enterprise Linux Wallpapers

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Oracle Enterprise Linux Wallpapers

Red Hat Linux 6 High Definition (HD) Wallpapers

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RedHat Linux 6 Black HD RedHat Linux 6 Red HD Redhat Linux 6 Purple HD

Linux Miscellaneous but important commands

To find help on some topic : [root@SLES /]# man pwd or [root@SLES /]# info pwd Also you can seek for a particual keyword ( say:  umask) in the man pages by: [root@SLES /]# man -K umask To find a file in the /usr directory, use: [root@SLES /]# find /usr -name “*.doc” To find files and directories owned by the group students in the /usr directory, use: [root@SLES /]# find /usr -group students Assuming a user left the organization and the files owned by his account name must be found and deleted for security reasons, use : [root@SLES /]# find / -user Shaheer -exec rm  '{}'  ';' Want to perform some quick mathematical calculations, use: [root@SLES /]# bc To set up date and time as 16 Jan 2000 17:35 you should use: [root@SLES /]# date 0520173503 To synchronize it with the hardware clock, use: [root@SLES /]# hwclock –-systohc To check for memory and swap space usage, you can use: [root@SLES /]# free or [root@SLES /]# top To check the sy...

Linux Routing table and Naming related commands

To check the routing table : [root@apps /]# route  or [root@apps /]# route -n To add a default route or gateway: [root@apps /]# route add default gw  192.168.1.254 To delete a default gateway: [root@apps /]# route del default To add a route to a network [root@apps /]# route add –net 192.168.1.0 netmask 255.255.255.0 dev eth0 To delete a  network from the routing table root@apps /]# route del –net 192.168.1.0 netmask 255.255.255.0 dev eth0 To add a host route: [root@apps /]# route add 192.168.1.1 eth0 To delete a host route [root@apps /]# route del 192.168.1.1 To trace the path / number of hops to a particular host on the network: [root@apps /]# traceroute workstation1.mydomain.com or  [root@apps /]# traceroute www.linux.org To do tracing of the route and ping at the same time, use mtr: [root@apps /]# mtr workstation1.mydomain.com To find a host and/or it's IP on the network use the following commands. These will query your defa...

Linux Package Management related commands

Following command lists all the currently installed packages and captures only those lines which have the word sendmail in them [root@badar /]# rpm -qa | grep apache or [root@badar /]# rpm -qa apache* To check presence of the package 'telnet' in the system, use the following command: [root@badar /]# rpm -q telnet Following command lists all the information about the specific installed  package. [root@badar /]# rpm -qi nfs Following command lists all the documentation files and their location of a particular installed package. [root@badar /]# rpm -qd sendmail Following command lists file locations of all of the files of a particular installed package. [root@badar /]# rpm -ql sendmail Following command lists all information of the un-installed package: [root@badar /]# rpm -qpi telnet-1.1-39.2.i586.rpm Similarly,you can check the list of files a package contains, before actually installing it: [root@badar /]# rpm -qpl telnet-1.1-39.2.i586.rpm Install ...

Linux Process Management related commands

Following command shows the list of all running processes with their process ids (PID), even owned by other users: [root@badar /]# ps aux | less You can also use pstree: [root@badar /]# pstree Following command will kill a specific process, say process id 32432: [root@badar /]# kill 32432 or [root@badar /]# kill –s KILL 32432 or [root@badar /]# kill –KILL 32432 or [root@badar /]# kill –9 32432