Oracle on Linux Machine

Hello,
I have never used Oracle before but i am going to visit Oracle Course next month and i would like to install it before that time ! to have an idea....
what do i need please as Hardware and which Version of Oracle is good for traning ?
Thanks
regards

I can tell you from past experience at Oracle training facility that you can install a full blow Oracle Application server with Identity management on a regular desktop computer with one gig of RAM. And example you could look up on the internet is a Dell 4500. It will not perform well, but you will be able to do and installation and toy around with everything.

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    Roger

    error: Failed dependencies
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    Ed,
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    Thanks
    Ravi
    Ph: +919583750774

    Hi,
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    a538c000-a53f1000 r-xs 00000000 08:01 659258 /tmp/OraInstall2012-04-05_09-10-03PM/oui/jlib/help4.jar
    a53f1000-a54a6000 r-xs 00000000 08:01 659271 /tmp/OraInstall2012-04-05_09-10-03PM/oui/jlib/oracle_ice.jar
    a54a6000-a54c3000 r-xs 00000000 08:01 659269 /tmp/OraInstall2012-04-05_09-10-03PM/oui/jlib/InstHelp_zh_TW.jar
    a54c3000-a54e0000 r-xs 00000000 08:01 659268 /tmp/OraInstall2012-04-05_09-10-03PM/oui/jlib/InstHelp_zh_CN.jar
    a54e0000-a54fe000 r-xs 00000000 08:01 659267 /tmp/OraInstall2012-04-05_09-10-03PM/oui/jlib/InstHelp_pt_BR.jar
    a54fe000-a551b000 r-xs 00000000 08:01 659266 /tmp/OraInstall2012-04-05_09-10-03PM/oui/jlib/InstHelp_ko.jar
    a551b000-a5537000 r-xs 00000000 08:01 659265 /tmp/OraInstall2012-04-05_09-10-03PM/oui/jlib/InstHelp_ja.jar
    a5537000-a5554000 r-xs 00000000 08:01 659264 /tmp/OraInstall2012-04-05_09-10-03PM/oui/jlib/InstHelp_it.jar
    a5554000-a5571000 r-xs 00000000 08:01 659263 /tmp/OraInstall2012-04-05_09-10-03PM/oui/jlib/InstHelp_fr.jar
    a5571000-a558e000 r-xs 00000000 08:01 659262 /tmp/OraInstall2012-04-05_09-10-03PM/oui/jlib/InstHelp_es.jar
    a558e000-a55ad000 r-xs 00000000 08:01 659261 /tmp/OraInstall2012-04-05_09-10-03PM/oui/jlib/InstHelp_de.jar
    a55ad000-a55c9000 r-xs 00000000 08:01 659260 /tmp/OraInstall2012-04-05_09-10-03PM/oui/jlib/InstHelp.jar
    a55c9000-a55ea000 r-xs 00000000 08:01 659270 /tmp/OraInstall2012-04-05_09-10-03PM/oui/jlib/InstImages.jar
    a55ea000-a55f0000 r-xs 00000000 08:01 659345 /tmp/OraInstall2012-04-05_09-10-03PM/oui/jlib/ojmisc.jar
    a55f0000-a56ce000 r-xs 00000000 08:01 659342 /tmp/OraInstall2012-04-05_09-10-03PM/oui/jlib/emCfg.jar
    a56ce000-a56e1000 r-xs 00000000 08:01 659344 /tmp/OraInstall2012-04-05_09-10-03PM/oui/jlib/orai18n-mapping.jar
    a56e1000-a57e1000 r-xs 00000000 08:01 659343 /tmp/OraInstall2012-04-05_09-10-03PM/oui/jlib/orai18n-collation.jar
    a57e1000-a5866000 r-xs 00000000 08:01 659341 /tmp/OraInstall2012-04-05_09-10-03PM/oui/jlib/xml.jar
    a5866000-a5868000 r-xs 00000000 08:01 659349 /tmp/OraInstall2012-04-05_09-10-03PM/oui/jlib/OraInstallerNet.jar
    a5868000-a5876000 r-xs 00000000 08:01 659350 /tmp/OraInstall2012-04-05_09-10-03PM/oui/jlib/share.jar
    a5876000-a593d000 r-xs 00000000 08:01 659347 /tmp/OraInstall2012-04-05_09-10-03PM/oui/jlib/srvm.jar
    a593d000-a5a65000 r-xs 00000000 08:01 659346 /tmp/OraInstall2012-04-05_09-10-03PM/oui/jlib/xmlparserv2.jar
    a5a65000-a5a72000 r-xs 00000000 08:01 659351 /tmp/OraInstall2012-04-05_09-10-03PM/oui/jlib/oneclick.jar
    a5a72000-a5e0f000 r-xs 00000000 08:01 659348 /tmp/OraInstall2012-04-05_09-10-03PM/oui/jlib/OraInstaller.jar
    a5e0f000-a5e2b000 r-xs 00000000 08:01 642421 /tmp/OraInstall2012-04-05_09-10-03PM/jre/1.4.2/lib/ext/sunjce_provider.jar
    a5e2b000-a5ee6000 r-xs 00000000 08:01 642420 /tmp/OraInstall2012-04-05_09-10-03PM/jre/1.4.2/lib/ext/localedata.jar
    a5ee6000-a5ef3000 r-xs 00000000 08:01 642419 /tmp/OraInstall2012-04-05_09-10-03PM/jre/1.4.2/lib/ext/ldapsec.jar
    a5ef3000-a5ef6000 r-xs 00000000 08:01 642418 /tmp/OraInstall2012-04-05_09-10-03PM/jre/1.4.2/lib/ext/dnsns.jar
    a60fa000-a62fa000 r-xp 00000000 08:01 330503 /usr/lib/locale/locale-archive
    b5bfb000-b618a000 r-xs 00000000 08:01 511764 /tmp/OraInstall2012-04-05_09-10-03PM/jre/1.4.2/lib/charsets.jar
    b618a000-b619b000 r-xs 00000000 08:01 511802 /tmp/OraInstall2012-04-05_09-10-03PM/jre/1.4.2/lib/jce.jar
    b619b000-b6274000 r-xs 00000000 08:01 511803 /tmp/OraInstall2012-04-05_09-10-03PM/jre/1.4.2/lib/jsse.jar
    b6274000-b628a000 r-xs 00000000 08:01 196225 /tmp/OraInstall2012-04-05_09-10-03PM/jre/1.4.2/lib/sunrsasign.jar
    b62d4000-b79c2000 r-xs 00000000 08:01 511810 /tmp/OraInstall2012-04-05_09-10-03PM/jre/1.4.2/lib/rt.jar
    b79c2000-b79d6000 r-xp 00000000 08:01 659151 /tmp/OraInstall2012-04-05_09-10-03PM/jre/1.4.2/lib/i386/libzip.so
    b79d6000-b79d9000 rwxp 00013000 08:01 659151 /tmp/OraInstall2012-04-05_09-10-03PM/jre/1.4.2/lib/i386/libzip.so
    b79d9000-b79f9000 r-xp 00000000 08:01 659136 /tmp/OraInstall2012-04-05_09-10-03PM/jre/1.4.2/lib/i386/libjava.so
    b79f9000-b79fb000 rwxp 0001f000 08:01 659136 /tmp/OraInstall2012-04-05_09-10-03PM/jre/1.4.2/lib/i386/libjava.so
    b79fb000-b7a0b000 r-xp 00000000 08:01 659150 /tmp/OraInstall2012-04-05_09-10-03PM/jre/1.4.2/lib/i386/libverify.so
    b7a0b000-b7a0d000 rwxp 0000f000 08:01 659150 /tmp/OraInstall2012-04-05_09-10-03PM/jre/1.4.2/lib/i386/libverify.so
    b7a0d000-b7a16000 r-xp 00000000 08:01 344676 /lib/libnss_files-2.3.4.so
    b7a16000-b7a17000 r-xp 00008000 08:01 344676 /lib/libnss_files-2.3.4.so
    b7a17000-b7a18000 rwxp 00009000 08:01 344676 /lib/libnss_files-2.3.4.so
    b7a1f000-b7a23000 rwxs 00000000 08:01 249425 /tmp/hsperfdata_oracle/5761
    b7a23000-b7a44000 r-xp 00000000 08:01 344698 /lib/tls/libm-2.3.4.so
    b7a44000-b7a45000 r-xp 00020000 08:01 344698 /lib/tls/libm-2.3.4.so
    b7a45000-b7a46000 rwxp 00021000 08:01 344698 /lib/tls/libm-2.3.4.so
    b7a46000-b7a58000 r-xp 00000000 08:01 344660 /lib/libnsl-2.3.4.so
    b7a58000-b7a59000 r-xp 00011000 08:01 344660 /lib/libnsl-2.3.4.so
    b7a59000-b7a5a000 rwxp 00012000 08:01 344660 /lib/libnsl-2.3.4.so
    b7a5e000-b7a66000 r-xp 00000000 08:01 659161 /tmp/OraInstall2012-04-05_09-10-03PM/jre/1.4.2/lib/i386/native_threads/libhpi.so
    b7a66000-b7a67000 rwxp 00007000 08:01 659161 /tmp/OraInstall2012-04-05_09-10-03PM/jre/1.4.2/lib/i386/native_threads/libhpi.so
    b7a67000-b7e6d000 r-xp 00000000 08:01 659159 /tmp/OraInstall2012-04-05_09-10-03PM/jre/1.4.2/lib/i386/client/libjvm.so
    b7e6d000-b7e88000 rwxp 00405000 08:01 659159 /tmp/OraInstall2012-04-05_09-10-03PM/jre/1.4.2/lib/i386/client/libjvm.so
    b7e9c000-b7fc1000 r-xp 00000000 08:01 344696 /lib/tls/libc-2.3.4.so
    b7fc1000-b7fc3000 r-xp 00124000 08:01 344696 /lib/tls/libc-2.3.4.so
    b7fc3000-b7fc5000 rwxp 00126000 08:01 344696 /lib/tls/libc-2.3.4.so
    b7fc7000-b7fc9000 r-xp 00000000 08:01 344656 /lib/libdl-2.3.4.so
    b7fc9000-b7fca000 r-xp 00001000 08:01 344656 /lib/libdl-2.3.4.so
    b7fca000-b7fcb000 rwxp 00002000 08:01 344656 /lib/libdl-2.3.4.so
    b7fcc000-b7fda000 r-xp 00000000 08:01 344700 /lib/tls/libpthread-2.3.4.so
    b7fda000-b7fdb000 r-xp 0000d000 08:01 344700 /lib/tls/libpthread-2.3.4.so
    b7fdb000-b7fdc000 rwxp 0000e000 08:01 344700 /lib/tls/libpthread-2.3.4.so
    b7fe9000-b7ffe000 r-xp 00000000 08:01 344641 /lib/ld-2.3.4.so
    b7ffe000-b7fff000 r-xp 00015000 08:01 344641 /lib/ld-2.3.4.so
    b7fff000-b8000000 rwxp 00016000 08:01 344641 /lib/ld-2.3.4.so
    Heap at VM Abort:
    Heap
    def new generation total 576K, used 387K [0xa6550000, 0xa65f0000, 0xa70d0000)
    eden space 512K, 69% used [0xa6550000, 0xa65a8f48, 0xa65d0000)
    from space 64K, 50% used [0xa65d0000, 0xa65d8080, 0xa65e0000)
    to space 64K, 0% used [0xa65e0000, 0xa65e0000, 0xa65f0000)
    tenured generation total 1408K, used 1090K [0xa70d0000, 0xa7230000, 0xafb50000)
    the space 1408K, 77% used [0xa70d0000, 0xa71e0938, 0xa71e0a00, 0xa7230000)
    compacting perm gen total 4864K, used 4693K [0xafb50000, 0xb0010000, 0xb3b50000)
    the space 4864K, 96% used [0xafb50000, 0xaffe5698, 0xaffe5800, 0xb0010000)
    Local Time = Thu Apr 5 21:10:05 2012
    Elapsed Time = 0
    # HotSpot Virtual Machine Error : 11
    # Error ID : 4F530E43505002EF
    # Please report this error at
    # http://java.sun.com/cgi-bin/bugreport.cgi
    # Java VM: Java HotSpot(TM) Client VM (1.4.2_08-b03 mixed mode)
    # An error report file has been saved as hs_err_pid5761.log.
    # Please refer to the file for further information.
    Please let me know what can be the solution.
    thanks
    Ravikanth

  • Cannot connect properly to Oracle on Linux from Windows

    Good day all,
    I’ve got 2 virtual machines running on my Mac:
    -     Centos 5.4 with Oracle 11gR2
    -     Windows 2003 server with Oracle 10gR2
    From Linux box I have access to Oracle database on Windows box (both directly and via a database link), however from Windows I have problems accessing the oracle database on the Linux box.
    From Windows, if I try to set up a connection using Oracle’s SQL Developer using connection type “Basic”, I get “IO Error: The Network Adapter could not establish the connection”. When I use “TNS”, then it works.
    From the linux box it all works fine as the “oracle” user, but when I log on as another user (in this case “informatica”) it doesn’t work properly any more.
    To sketch what both environments look like.
    Windows:
    -     Machine name WS2003Ora10g
    -     Etc/hosts
    o     127.0.0.1 localhost
    o     #loopback adapter
    o     192.168.12.100     localhost
    o     #network adapter
    o     192.168.12.10     WS2003Ora10g
    o     # external machine
    o     192.168.12.110     ilmserver
    -     system variables
    o     TNS_ADMIN, set to network/admin path in Oracle home dir
    listener
    C:\Documents and Settings\Administrator>lsnrctl status
    LSNRCTL for 32-bit Windows: Version 10.2.0.1.0 - Production on 24-AUG-2011 17:38:06
    Copyright (c) 1991, 2005, Oracle. All rights reserved.
    Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC1)))
    STATUS of the LISTENER
    Alias LISTENER
    Version TNSLSNR for 32-bit Windows: Version 10.2.0.1.0 - Production
    Start Date 24-AUG-2011 16:29:33
    Uptime 0 days 1 hr. 8 min. 33 sec
    Trace Level off
    Security ON: Local OS Authentication
    SNMP OFF
    Listener Parameter File C:\oracle\product\10.2.0\db_1\NETWORK\ADMIN\listener.ora
    Listener Log File C:\oracle\product\10.2.0\db_1\network\log\listener.log
    Listening Endpoints Summary...
    (DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(PIPENAME=\\.\pipe\EXTPROC1ipc)))
    (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=WS2003Ora10g)(PORT=1521)))
    Services Summary...
    Service "PLSExtProc" has 1 instance(s).
    Instance "PLSExtProc", status UNKNOWN, has 1 handler(s) for this service...
    Service "ora10gr2" has 1 instance(s).
    Instance "ora10gr2", status READY, has 1 handler(s) for this service...
    Service "ora10gr2XDB" has 1 instance(s).
    Instance "ora10gr2", status READY, has 1 handler(s) for this service...
    Service "ora10gr2_XPT" has 1 instance(s).
    Instance "ora10gr2", status READY, has 1 handler(s) for this service...
    The command completed successfully
    C:\Documents and Settings\Administrator>lsnrctl services
    LSNRCTL for 32-bit Windows: Version 10.2.0.1.0 - Production on 24-AUG-2011 17:40:43
    Copyright (c) 1991, 2005, Oracle. All rights reserved.
    Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC1)))
    Services Summary...
    Service "PLSExtProc" has 1 instance(s).
    Instance "PLSExtProc", status UNKNOWN, has 1 handler(s) for this service...
    Handler(s):
    "DEDICATED" established:0 refused:0
    LOCAL SERVER
    Service "ora10gr2" has 1 instance(s).
    Instance "ora10gr2", status READY, has 1 handler(s) for this service...
    Handler(s):
    "DEDICATED" established:25 refused:0 state:ready
    LOCAL SERVER
    Service "ora10gr2XDB" has 1 instance(s).
    Instance "ora10gr2", status READY, has 1 handler(s) for this service...
    Handler(s):
    "D000" established:0 refused:0 current:0 max:1002 state:ready
    DISPATCHER <machine: WS2003ORA10G, pid: 2852>
    (ADDRESS=(PROTOCOL=tcp)(HOST=WS2003Ora10g)(PORT=1031))
    Service "ora10gr2_XPT" has 1 instance(s).
    Instance "ora10gr2", status READY, has 1 handler(s) for this service...
    Handler(s):
    "DEDICATED" established:25 refused:0 state:ready
    LOCAL SERVER
    The command completed successfully
    Linux
    -     Machine name ilmserver
    -     Etc/hosts
    o     127.0.0.1          localhost.localdomain localhost
    o     ::1          localhost6.localdomain6 localhost6
    o     192.168.12.1     routerip     rtrip
    o     192.168.12.110     ilmserver     ilmsvr
    o     192.168.12.10     WS2003Ora10g     winora
    system variables (in bashprofile)_
    o     export PATH=$PATH:/usr/java/jdk1.7.0/bin
    o     export PATH=$PATH:/usr/sbin
    o     export PATH=$PATH:/sbin
    o     export JAVA_HOME=/usr/java/jdk1.7.0
    o     PATH=$PATH:$HOME/bin
    o     export PATH
    o     export ORACLE_HOME=/home/oracle/app/oracle/product/11.2.0/dbhome_1
    o     export ORACLE_BASE=/home/oracle/app/oracle
    o     export ORACLE_SID=orcl
    o     export TNS_ADMIN=$ORACLE_HOME/network/admin
    o     export ORACLE_HOSTNAME=ilmserver
    o     export PATH=$PATH:$ORACLE_HOME/bin
    Both the "oracle" and the "informatica" user have these environment variables.
    listener
    Logged in as “oracle” user:*
    [oracle@ilmserver ~]$ lsnrctl status
    LSNRCTL for Linux: Version 11.2.0.1.0 - Production on 24-AUG-2011 19:12:35
    Copyright (c) 1991, 2009, Oracle. All rights reserved.
    Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC1521)))
    STATUS of the LISTENER
    Alias LISTENER
    Version TNSLSNR for Linux: Version 11.2.0.1.0 - Production
    Start Date 24-AUG-2011 17:30:39
    Uptime 0 days 1 hr. 41 min. 55 sec
    Trace Level off
    Security ON: Local OS Authentication
    SNMP OFF
    Listener Parameter File /home/oracle/app/oracle/product/11.2.0/dbhome_1/network/admin/listener.ora
    Listener Log File /home/oracle/app/oracle/diag/tnslsnr/ilmserver/listener/alert/log.xml
    Listening Endpoints Summary...
    (DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=EXTPROC1521)))
    (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=127.0.0.1)(PORT=1521)))
    Services Summary...
    Service "orcl" has 1 instance(s).
    Instance "orcl", status READY, has 1 handler(s) for this service...
    Service "orclXDB" has 1 instance(s).
    Instance "orcl", status READY, has 1 handler(s) for this service...
    The command completed successfully
    [oracle@ilmserver ~]$ lsnrctl services
    LSNRCTL for Linux: Version 11.2.0.1.0 - Production on 24-AUG-2011 19:13:28
    Copyright (c) 1991, 2009, Oracle. All rights reserved.
    Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC1521)))
    Services Summary...
    Service "orcl" has 1 instance(s).
    Instance "orcl", status READY, has 1 handler(s) for this service...
    Handler(s):
    "DEDICATED" established:19 refused:0 state:ready
    LOCAL SERVER
    Service "orclXDB" has 1 instance(s).
    Instance "orcl", status READY, has 1 handler(s) for this service...
    Handler(s):
    "D000" established:0 refused:0 current:0 max:1022 state:ready
    DISPATCHER <machine: ilmserver, pid: 9648>
    (ADDRESS=(PROTOCOL=tcp)(HOST=ilmserver)(PORT=52395))
    The command completed successfully
    But logged in as “informatica” user I get following:
    [informatica@ilmserver ~]$ lsnrctl status
    bash: lsnrctl: command not found
    [informatica@ilmserver ~]$ lsnrctl services
    bash: lsnrctl: command not found
    even though the oracle bin directory sits in PATH.
    Pinging from windows:
    C:\Documents and Settings\Administrator>ping ilmserver
    Pinging ilmserver [192.168.12.110] with 32 bytes of data:
    Reply from 192.168.12.110: bytes=32 time=1ms TTL=64
    Reply from 192.168.12.110: bytes=32 time<1ms TTL=64
    Reply from 192.168.12.110: bytes=32 time<1ms TTL=64
    Reply from 192.168.12.110: bytes=32 time<1ms TTL=64
    Ping statistics for 192.168.12.110:
    Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
    Approximate round trip times in milli-seconds:
    Minimum = 0ms, Maximum = 1ms, Average = 0ms
    That works fine.
    Telnet from Windows:
    C:\Documents and Settings\Administrator>telnet 192.168.12.110 1521
    Connecting To 192.168.12.110...Could not open connection to the host, on port 1521: Connect failed
    This result is the same for either just having port 1521 open, or turning the Linux firewall off altogether. Also same when using IP address.
    Just to be complete, here are the results from the Linux box.
    *[oracle@ilmserver informatica]$ ping WS2003Ora10g*
    PING WS2003Ora10g (192.168.12.10) 56(84) bytes of data.
    64 bytes from WS2003Ora10g (192.168.12.10): icmp_seq=1 ttl=128 time=1.63 ms
    64 bytes from WS2003Ora10g (192.168.12.10): icmp_seq=2 ttl=128 time=0.222 ms
    64 bytes from WS2003Ora10g (192.168.12.10): icmp_seq=3 ttl=128 time=0.255 ms
    64 bytes from WS2003Ora10g (192.168.12.10): icmp_seq=4 ttl=128 time=0.258 ms
    --- WS2003Ora10g ping statistics ---
    4 packets transmitted, 4 received, 0% packet loss, time 3000ms
    rtt min/avg/max/mdev = 0.222/0.593/1.639/0.604 ms
    *[oracle@ilmserver ~]$ telnet WS2003Ora10g 1521*
    Trying 192.168.12.10...
    Connected to WS2003Ora10g (192.168.12.10).
    Escape character is '^]'.
    ... works for all users.
    Checking out the port situation on Linux:
    [informatica@ilmserver ~]$ netstat -an | grep 1521
    tcp 0 0 127.0.0.1:1521 0.0.0.0:* LISTEN
    tcp 0 0 127.0.0.1:1521 127.0.0.1:43782 ESTABLISHED
    tcp 0 0 127.0.0.1:1521 127.0.0.1:44290 ESTABLISHED
    tcp 0 0 127.0.0.1:58289 127.0.0.1:1521 TIME_WAIT
    tcp 0 0 127.0.0.1:58287 127.0.0.1:1521 TIME_WAIT
    tcp 0 0 127.0.0.1:1521 127.0.0.1:43792 ESTABLISHED
    tcp 0 0 127.0.0.1:54116 127.0.0.1:1521 ESTABLISHED
    tcp 0 0 127.0.0.1:1521 127.0.0.1:44283 ESTABLISHED
    tcp 0 0 ::ffff:127.0.0.1:54123 ::ffff:127.0.0.1:1521 ESTABLISHED
    tcp 0 0 ::ffff:127.0.0.1:30135 ::ffff:127.0.0.1:1521 ESTABLISHED
    unix 2 [ ACC ] STREAM LISTENING 129262 /var/tmp/.oracle/sEXTPROC1521
    [ the sequence of dots means I took out a whole lot or lines with virtually the same information, only different port(s) ]
    What’s noticeable is that port 1521 seems solely assigned to the localhost IP-address, 127.0.0.1.
    Another thing I noticed is that from a different user in Linux, so not “oracle”, using SQL Developer I cannot access the local Oracle database via TNS. When choosing TNS the dropdown box for “Network Alias” – which normally is populated with entries from TNSNAMES.ORA – is completely empty. On a “users and groups” level I basically assigned all the groups the oracle user is member of, to the other user (called informatica).
    And to make it even more interesting, at first it worked using “Basic” (in SQL Developer), but since implementing the TNS_ADMIN environment variable, it doesn’t work at all !!!
    Trying it via SQLPLUS as the “informatica” doesn’t work either:
    [informatica@ilmserver ~]$ sqlplus system
    bash: sqlplus: command not found
    I’ve assigned the “dba” group to “informatica”, or rather, I have assigned all groups to the “informatica” user as the “oracle” user has.
    Needless to say I am no Linux expert, rather a quite inexperienced Linux-user.
    So bottom line, the situation I’d like to be able to create is the following:
    •     Linux Oracle DB accessible from “informatica” (or any other) user on Linux, via both TNS and java-based
    •     Linux Oracle DB accessible from remote machine (running Windows 2003 server) via both TNS and java-based
    •     And for Informatica to work properly, it says it needs the TNS_ADMIN environment variable, so the “informatica” user must have full Oracle connectivity with TNS_ADMIN in place.
    Any help is greatly appreciated.
    Thanks, Patrick

    Hi Billy,
    Thanks for your elaborate answer.
    Not sure whether I can use it though, since the application using the oracle database (i.e. Informatica ILM 5.3.2) appears to have a specific need for TNS.
    I thought I had a solution (not the prettiest for sure) by just copying TNSNAMES.ORA to an accessible location, change ownership to "informatica" user, have TNS_ADMIN point to it, and Bob should be my uncle. Well... he isn't!
    In SQL Developer when I choose TNS as connection type, the drop down box is STILL empty.....aaaaahhhh!!!!!
    I was advised to play around with primary groups, so I tried oinstall and dba as primary groups for informatica user, all to no avail.
    And I can't even test it with SQLPLUS because I don't have access to it as "informatica".
    Who knows what the exact reason for that is... I know I'm a far cry from an experienced linux user, but I assumed that having the Oracle Home bin directory in PATH, and assigning the oinstall group to informatica user, would ensure access to to any executable in there. Well... NOT!!!
    +[informatica@ilmserver ~]$ sqlplus system@orcl+
    bash: sqlplus: command not found
    This is driving me nuts. Thought that finding a solution for this wouldn't be this hard, but essentially I've been digging for 3 days now.
    To provide more background, here are the env.variables:
    [informatica@ilmserver ~]$ env
    SSH_AGENT_PID=21054
    HOSTNAME=ilmserver
    DESKTOP_STARTUP_ID=
    TERM=xterm
    SHELL=/bin/bash
    HISTSIZE=1000
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    Chain OUTPUT (policy ACCEPT)
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    Chain RH-Firewall-1-INPUT (2 references)
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    2    ACCEPT     icmp --  0.0.0.0/0            0.0.0.0/0           icmp type 255
    3    ACCEPT     esp  --  0.0.0.0/0            0.0.0.0/0
    4    ACCEPT     ah   --  0.0.0.0/0            0.0.0.0/0
    5    ACCEPT     udp  --  0.0.0.0/0            224.0.0.251         udp dpt:5353
    6    ACCEPT     udp  --  0.0.0.0/0            0.0.0.0/0           udp dpt:631
    7    ACCEPT     tcp  --  0.0.0.0/0            0.0.0.0/0           tcp dpt:631
    8    ACCEPT     all  --  0.0.0.0/0            0.0.0.0/0           state RELATED,ESTABLISHED
    9    ACCEPT     tcp  --  0.0.0.0/0            0.0.0.0/0           state NEW tcp dpt:1521
    10   ACCEPT     tcp  --  0.0.0.0/0            0.0.0.0/0           state NEW tcp dpt:22
    11   REJECT     all  --  0.0.0.0/0            0.0.0.0/0           reject-with icmp-host-prohibitedbut from windows system when i'm try tnsping i got this error
    C:\Windows\system32>tnsping orc11g
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