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Uninstalling VMware products from Linux

To uninstall vmware products from linux use vmware-installer script. Go to > /usr/bin the file is located there linux # vmware-installer     -u       ex: to uninstall vmware-workstation linux #    vmware-installer -u vmware-workstation

Network Manager icon is not appearing on desktop after opensuse 11.4 installation

the icon for network manager is not appearing on panel. this is becuase by default network is managed with traditional method with ifup, to change this we have to change it to user controlled network manager Step s go to yast > Network Devices > Network Settings > Global options select User controlled with NetworkManager by default traditional method with ifup is selected once you did that network manager icon will be added to panel, now you can set up your network using this from your desktop

Installing nvdia driver on linux

Downolad nvidia driver from nvdia website stop xserver to do this restart with init 3 or edit /etc/inittab file to change runlevel to 3 then restart if nouveau driver is used nvida will detect (we can manually disable this refer nvidia readme) this at installation and add an entry in /etc/modprobe.d/nvidia-installer-disable-nouveau.conf the entries in the file will be blacklist nouveau options nouveau modeset=0 this will disable nouveau but if os is taking  this at boot level this wont be enough to disable, to disable this at boot level we have to edit boot configuration file to add an entry there or at the time of booting press e and go to kernel line and add this at the end rdblacklist=nouveau this will disable nouveau at boot level also go to /etc/Xorg and take a back up of xorg.conf file (incase if installation fails we can just restore and bring back the system to old condition) now go to the folder where nvdia driver is stored and run sh nvdia instal...

Creating a database link to access objects on a remote database

1. service name in tnsname 2. create a database link on the local database 3.connect using this database link to remote database Service Name To create a database link that points to a remote database you should have proper service name entry in local computer's tnsnames.ora file Adding service name details in the tnsnames file to access remote database (if this is already existing ignore it) ex: tns entry to connect to a remote database running on testserver using service name 'test' test = (DESCRIPTION = (ADDRESS_LIST = (ADDRESS = (PROTOCOL = TCP)(HOST = testserver)(PORT = 1522)) ) (CONNECT_DATA = (SERVER = DEDICATED) (SERVICE_NAME = test) ) ) create database link on the local database (the database from which you are trying to access another database) Syntax: create database link link_name connect to user_name identified by password using service_name link_name = this is the name for the database link username = us...

XXX is not a valid responsibility for the current user. Please contact your System Administrator" – oracle apps 11i

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This issue happens when you end date a responsibility and give a new responsibility to a user. Once user tries to log in “XXX is not a valid responsibility for the current user. Please contact your System Administrator”. This is because of cache at server, oracle does this to speed up the process. Clearing this cache will make the user to log in with new responsibility. Clearing the cache Steps go to > Functional Administrator responsibility Click on Core services tab (the tab at the top right) Click on Caching Framework Tab (blue tab under main tab) Click on Global configuration Click on Clear All Cache A warning message related to performance will come , say yes Screen shots After selecting functional administrator responsibility 2 3 4 5 6

ORA-01653 : unable to extend table

in oracle apps 11i receivables When entering receipt and saving oracle gave this error ORA-01653 : unable to extend table AR.AR_CASH_RECEIPT_HISTORY_ALL BY 1024 in tablespace ARD check for extend management is automatic or manual dba_data_files select autoextensible from dba_data_files where tablespace_name='ARD' it will show yes or no The table was created with size 400M and extend allocation was not automatic so i manually extended 100MB. ALTER DATABASE DATAFILE '/u01/proddata/prod/ard1.dbf' AUTOEXTEND ON MAXSIZE 500M; ALTER DATABASE DATAFILE '/u01/proddata/prod/ard1.dbf' AUTOEXTEND off; SELECT DBMS_METADATA.GET_DDL('TABLESPACE','ARD') FROM DUAL; As this is user managed extend management actually what should have done was either resize or add new datafile. here is how ALTER DATABASE DATAFILE '/u01/proddata/prod/ard1.dbf' RESIZE 500M; ALTER DATABASE ADD DATAFILE '/u01/proddata/prod/ard2.dbf'...

Adding a service to start at booting on fedora

chkconfig --list lists all the services starting at booting with different levels to add a service to start at booting chkconfig --add [service_name] ex: chkconfig -add sshd to add different levels(0,1,2,3,4,5,6) chkconfig --level [levels] [service_name] [service_option>] level: the runlevel where this service has to start (if there are more than one level enter different level without any seperator) service options : on|off|reset|resetpriorities ex: chkconfig --level 2 sshd on chkconfig --level 235 sshd on so to add sshd to start up at booting in 235 levels chkconfig --add sshd chkconfig --level 235 sshd on