linux and oracle

[root@localhost ~]# rpm -ivh compat-gcc-c++-7.3-2.96.122.i386.rpm
warning: compat-gcc-c++-7.3-2.96.122.i386.rpm: Header V3 DSA signature: NOKEY, key ID 73307de6
error: Failed dependencies:
compat-gcc = 7.3-2.96.122 is needed by compat-gcc-c++-7.3-2.96.122.i386
compat-libstdc++ = 7.3 is needed by compat-gcc-c++-7.3-2.96.122.i386
compat-libstdc++-devel = 7.3 is needed by compat-gcc-c++-7.3-2.96.122.i386
[root@localhost ~]# rpm -ivh compat-libstdc++-7.3-2.96.118.i386.rpm
warning: compat-libstdc++-7.3-2.96.118.i386.rpm: Header V3 DSA signature: NOKEY, key ID db42a60e
Preparing... ########################################### [100%]
file /usr/lib/libstdc++-3-libc6.2-2-2.10.0.so from install of compat-libstdc++-7.3-2.96.118.i386 conflicts with file from package compat-libstdc++-296-2.96-138.i386
[root@localhost ~]# rpm -ivh compat-gcc-c++-7.3-2.96.122.i386.rpm
warning: compat-gcc-c++-7.3-2.96.122.i386.rpm: Header V3 DSA signature: NOKEY, key ID 73307de6
error: Failed dependencies:
compat-gcc = 7.3-2.96.122 is needed by compat-gcc-c++-7.3-2.96.122.i386
compat-libstdc++ = 7.3 is needed by compat-gcc-c++-7.3-2.96.122.i386
compat-libstdc++-devel = 7.3 is needed by compat-gcc-c++-7.3-2.96.122.i386
[root@localhost ~]# rpm -ivh compat-libstdc++-devel-7.3-2.96.118.i386.rpm
warning: compat-libstdc++-devel-7.3-2.96.118.i386.rpm: Header V3 DSA signature: NOKEY, key ID db42a60e
error: Failed dependencies:
compat-libstdc++ = 7.3-2.96.118 is needed by compat-libstdc++-devel-7.3-2.96.118.i386