유저 생성

# groupadd dba 

# useradd -g dba oracle 

# passwd oracle 

설치 디렉터리 생성

# mkdir -p /app/oracle 

# chown -R oracle:dba /app

OS커널 파라미터 값

# vi /etc/sysctl.conf 

# Controls the maximum shared segment size, in bytes 

kernel.shmmax = 68719476736

# Controls the maximum number of shared memory segments, in pages 

kernel.shmall = 10523004 

kernel.shmmni = 4096 

kernel.sem = 250 32000 100 128 

fs.aio-max-nr = 1048576 

fs.file-max = 6815744 

net.ipv4.ip_local_port_range = 9000 65500 

net.core.rmem_default = 262144 

net.core.rmem_max = 4194304 

net.core.wmem_default = 262144 

net.core.wmem_max = 1048586  

# vi /etc/security/limits.conf ... 

oracle soft nproc 2048 

oracle hard nproc 65536 

oracle soft nofile 1024 

oracle hard nofile 65536 

# yum -y install compat-libstdc++-33.x86_64 binutils elfutils-libelf elfutils-libelf-devel 

# yum -y install glibc glibc-common glibc-devel glibc-headers gcc gcc-c++ libaio libaio-devel 

# yum -y install libgcc libstdc++ libstdc++-devel make sysstat unixODBC unixODBC-devel # yum -y install unzip wget

# wget ftp://ftp.pbone.net/mirror/archive.download.redhat.com/pub/redhat/linux/7.0/en/os/i386/RedHat/RPMS/pdksh-5.2.14-8.i386.rpm 

# rpm -Uvh --nodeps pdksh-5.2.14-8.i386.rpm --force  

# vi /home/oracle/.bash_profile 

export ORACLE_BASE=/app/oracle 

export ORACLE_HOME=$ORACLE_BASE/product/11.2.0/dbhome_1 

export ORACLE_SID=orcl 

export NLS_LANG=AMERICAN_AMERICA.AL32UTF8 

export LD_LIBRARY_PATH=$ORACLE_HOME/lib:/lib:/usr/lib:/usr/local/lib 

export PATH=$PATH:$ORACLE_HOME/bin

이렇게 설정한 후  MobaXterm을 사용하고 Xming을 사용하여 설치하려 하는데

/home/oracle/app 경로에 runInstaller 파일이 있어 해당 경로로 들어가 ./runInstaller 명령어를 실행하면 

ERROR: Unable to verify the graphical display setup. This application requires X display. Make sure that xdpyinfo exist under PATH variable.

No X11 DISPLAY variable was set, but this program performed an operation which requires it.

이렇게 오류가 계속 뜨는데 구글링해서 찾아본 방법으로 해도 해결이 되지 않습니다 ㅠㅠ