Redhat

How Do Disable Firewall In Redhat?

First login as the root user.

Next enter the following three commands to disable firewall.

# service iptables save
# service iptables stop
# chkconfig iptables off

If Ifconfig Not Work

PATH=$PATH:/sbin

export PATH=$PATH:/bin:/usr/local/bin

export DISPLAY=:0
[root@prim]# xhost +
access control disabled, clients can connect from any host
/sbin/ifconfig

Install RPM without dependency 

rpm -ivh --nodeps elfutils-libelf-devel-0.137-3.el5.x86_64.rpm

rpm -Uvh --nodeps elfutils-libelf-devel-0.137-3.el5.x86_64.rpm(for full install)

rpm -e --nodeps elfutils-libelf-devel-0.137-3.el5.x86_64.rpm (for uninstall)

Uninstall Oracle Database And Grid In Linux

su - oracle
db
cd $ORACLE_HOME
cd deinstall
./deinstall

asm
cd $GRID_HOME
cd deinstall
./deinstall

Checking monitor: must be configured to display at least 256 colors

install below rpm

   yum install xorg-x11-xauth
   yum install xorg-x11-utils

Check authorization key  from root

root$ xauth list
aspc2o1/unix:10 MIT-MAGIC-COOKIE-1 bc334c66cfec3c5c3d5b0efc4ee9d3ad

From oracle user add the authorization key.

oracle $ xauth add aspc2o1/unix:10 MIT-MAGIC-COOKIE-1 bc334c66cfec3c5c3d5b0efc4ee9d3ad


oracle $ ./runinstaller

Delete Temporary File 

rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*

 bash:sqlplus command not found

export PATH=$PATH:/u01/app/oracle/product/11.2.0/dbhome_1/bin/ 

Mount:

mount -t cifs -o username=asus //192.168.0.102/Shortcut /mnt