New install issue-unable to connect to DB server from a remote client.

Hi experts,
I am new to setting up oracle server so pls bear with me...
I setup a db server (11g on top of 64bit Oracle Linux) at home (static 192.168.1.90). I verified that db, listener are up and running. However, I tried to connect to the server from a different client machine (192.168.1.108) within my home network but the server cannot be reached. I was able to ping both client and server using the IP addresses and hostnames. I followed the following steps to perform troubleshooting but was unable to move on beyond step 3, telnet-ing the server on port 1521. Can someone help me out what I should do make the port # (1521) is reachable by the client?
1. Check with "ping" using the IP address ("ping 198.11.34.43"
2. Check with "ping" using DNS name (e.g. "tnsping uranus")
3. Try telnet to the IP on port 1521 (telnet 1.2.3.4 1521)
4. Check with "tnsping" using TNS service name
5. Invoke SQL*Plus from the OS command line "sqlplus fred@flintstone". If this fails, check to ensure that your listener is the flintstone service defined.
6. Sign-on to SQL*Plus and connect with the TNS name ("connect fred/flintstome@service_name"
7. Within SQL*Plus, try a select from table@remote_db_link
thanks a lot in advance.

user6391746 wrote:
Hi experts,
I am new to setting up oracle server so pls bear with me...
I setup a db server (11g on top of 64bit Oracle Linux) at home (static 192.168.1.90). I verified that db, listener are up and running. However, I tried to connect to the server from a different client machine (192.168.1.108) within my home network but the server cannot be reached. I was able to ping both client and server using the IP addresses and hostnames. I followed the following steps to perform troubleshooting but was unable to move on beyond step 3, telnet-ing the server on port 1521. Can someone help me out what I should do make the port # (1521) is reachable by the client?
1. Check with "ping" using the IP address ("ping 198.11.34.43"
2. Check with "ping" using DNS name (e.g. "tnsping uranus")
3. Try telnet to the IP on port 1521 (telnet 1.2.3.4 1521)
4. Check with "tnsping" using TNS service name
5. Invoke SQL*Plus from the OS command line "sqlplus fred@flintstone". If this fails, check to ensure that your listener is the flintstone service defined.
6. Sign-on to SQL*Plus and connect with the TNS name ("connect fred/flintstome@service_name"
7. Within SQL*Plus, try a select from table@remote_db_link
thanks a lot in advance.solution depends upon which ERROR is thrown.
Is COPY & PASTE broken for you?
It is really, Really, REALLY difficult to fix a problem that can not be seen.
use COPY & PASTE so we can see what you do & how Oracle responds.

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at Simias.DomainServices.DomainAgent.Attach (System.String host, System.String user, System.String password) [0x00000]
at Simias.Web.SimiasService.ConnectToDomain (System.String UserName, System.String Password, System.String Host) [0x00000]
at (wrapper managed-to-native) System.Reflection.MonoMethod:InternalInvoke (object,object[],System.Exception&)
at System.Reflection.MonoMethod.Invoke (System.Object obj, BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x00000]
Stack at System.Web.Services.Protocols.SoapHttpClientProtoc ol.ReceiveResponse (System.Net.WebResponse response, System.Web.Services.Protocols.SoapClientMessage message, System.Web.Services.Protocols.SoapExtension[] extensions) [0x00000]
at System.Web.Services.Protocols.SoapHttpClientProtoc ol.Invoke (System.String method_name, System.Object[] parameters) [0x00000]
at SimiasWebService.ConnectToDomain (System.String UserName, System.String Password, System.String Host) [0x00000]
at (wrapper remoting-invoke-with-check) SimiasWebService:ConnectToDomain (string,string,string)
at Novell.iFolder.Controller.DomainController.AddDoma in (System.String host, System.String username, System.String password, Boolean bSavePassword, Boolean bSetAsDefault) [0x00000]
Looking forward for your kind reply.
Regards
Rohit Singh

Could you rename simias folder and start the ifolder client again. On Windows it is in %APDDATA% folder and Linux it is on $HOME/.local/share/. Please note this will need you to provide all ifolder information again.
Let us know the result.
>>> rohit100<[email protected]> 7/5/2011 12:06 PM >>>
Hello,
details of ifolder are as below:
OS: OpenSuse
Ifolder version: 3.8.0
The Ifolder features such as creating ifolder, sharing docs with co
members are working on web side, but we are unable to connect from any
ifolder client remotely, please suggest what to do?
We will be grateful to you?
Regards
Rohit Singh
rohit100
rohit100's Profile: http://forums.novell.com/member.php?userid=113027
View this thread: http://forums.novell.com/showthread.php?t=441408

Why can't I update or load new apps on my iPhone and iPad. It does not ask me for my password. I tried to sync from my laptop now I am unable to connect to any sites from internet explorer. When I try to update or load any app it tells me it is corrupt

Why can't I update or load new apps on my iPhone and iPad. It does not ask me for my password. I tried to sync from my laptop now I am unable to connect to any sites from internet explorer. When I try to update or load any app it tells me it is corrupt

You need to ask Apple for assistance with getting back into your old ID. To do this, click here and pick a method; if that page doesn't list one for your country or you're unable to resolve this issue through the Account Security team, fill out and submit this form.
(118441)

[Forum FAQ] "Unable to connect to the server by using Windows PowerShell Remoting" error while installing RDS roles on Server 2012 R2

When you try to install RDS role on server 2012 R2 using standard deployment, this issue may occur (Figure 1).
“Unable to connect to the server by using Windows PowerShell remoting”.
Figure 1: Unable to connect to the server by using Windows PowerShell remoting
First of all, we need to verify the configurations as it suggested:
1. The server must be available by using Windows PowerShell remotely.
2. The server must be joined to a domain.
3. The server must be running at least Windows Server 2012 R2.
4. The currently logged on user must be a member of the local Administrators group on the server.
5. Remote Desktop Services connections must be enabled by using Group Policy.
In addition, we need to check if the “Windows Remote Management “service is running and related firewall exceptions have been created for WinRM listener.
To enabling PowerShell remoting, we can run this PowerShell command as administrator (Figure 2).
Enable-PSRemoting -Force
Figure 2: Enable PowerShell Remoting
However, if issue persists, we need to check whether it has enough memory to work.
By default, remote shell allots only 150 MB of memory. If we have IIS or SharePoint App pool, 150 MB of memory is not sufficient to perform the remoting task. Therefore, we need to increase
the memory via the PowerShell command below:
Set-Item WSMan:\localhost\Shell\MaxMemoryPerShellMB 1000
Then, you need to restart the server and the issue should be resolved.
You can get more information regarding Remote Troubleshooting by below link:
about_Remote_Troubleshooting
If you need further assistance, welcome to post your questions in the
RDS forum.
Please click to vote if the post helps you. This can be beneficial to other community members reading the thread.

i found another possible reason, this solution worked for me:
http://oyvindnilsen.com/solution-for-powershell-remoting-error-it-cannot-determine-the-content-type-of-the-http-response-from-the-destination-computer/
I tried to set up powershell remoting on a server and kept getting this error:
Enter-PSSession : Connecting to remote server failed with the following error message : The WinRM client cann
ot process the request. It cannot determine the content type of the HTTP response from the destination comput
er. The content type is absent or invalid. For more information, see the about_Remote_Troubleshooting Help to
pic.
After a bit of troubleshooting I discovered that the problem was that the authentication packets was to big (over 16k), this will cause WinRM to reject the request. The reason for authentication packets getting too big can be because the user is member of very
many security groups or in my case because of the SidHistory attribute.
The solution was to increase the MaxFieldLength and MaxRequestBytes keys in the registry under HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\HTTP\Parameters
If the keys does not exists you can create them, be sure to use the DWORD type.
I sat MaxFieldLength to DEC value 40000 and MaxRequestBytes to DEC value 32768 and rebooted the server. Problem solved.

New ipad 2 unable to connect to server

bought a new ipad today and set up in the school but now home unable to connect to the server is the error even though I have got the radar signal and wifi account accepted unable to open safari, receive email etc. Have also done a network reset.

The 169 address means that your WiFi router DHCP service did not provide a local network address when your iPad requested one, hence the 169 address.
Try restarting your router by removing power to it for 30 seconds. On your iPad choose Settings > General > > Reset > Reset network settings. Then try to connect.
If this does not work look for a firmware update on the router manufacturer's support web pages.
If you need more help then provide your router make, model, and version. Also give details on how you have your router configured (DHCP on?, MAC address filtering on? Security type?, etc.)

TS3899 I have a hotmail account set up on my ipod, but in the past two weeks I have had issues trying to pull up mail. I get a "unable to connect to the server" message. Any Ideas?

I have a 4th gen ipod toch. As of the past two weeks I have been unable to receive my hotmail on the ipod. I get a "unable to connect to the server" message and all older emails are now gone.

I have a 4th gen ipod toch. As of the past two weeks I have been unable to receive my hotmail on the ipod. I get a "unable to connect to the server" message and all older emails are now gone.

[Solved] Samba log spam: Unable to connect to CUPS server

Hi everyone,
I'm running into an annoying issue with samba. I don't have any printers installed, and probably won't. However smbd complains to no end in /var/log/errors.log about not being able to connect to a cups server:
Apr 18 12:30:05 asakura nmbd[4361]: *****
Apr 18 12:30:05 asakura nmbd[4361]:
Apr 18 12:30:05 asakura nmbd[4361]: Samba name server ASAKURA is now a local master browser for workgroup MYGROUP on subnet 192.168.1.121
Apr 18 12:30:05 asakura nmbd[4361]:
Apr 18 12:30:05 asakura nmbd[4361]: *****
Apr 18 12:32:22 asakura smbd[4552]: [2009/04/18 12:32:22, 0] printing/print_cups.c:cups_connect(103)
Apr 18 12:32:22 asakura smbd[4552]: Unable to connect to CUPS server localhost:631 - Connection refused
Apr 18 12:32:22 asakura smbd[4553]: [2009/04/18 12:32:22, 0] printing/print_cups.c:cups_connect(103)
Apr 18 12:32:22 asakura smbd[4553]: Unable to connect to CUPS server localhost:631 - Connection refused
Those last two lines get spammed constantly.
I've done a little bit of research into the matter, and followed the steps here to try to resolve the problem: http://www.davekb.com/browse_computer_t … server:txt
Unfortunately it doesn't appear to make any difference.
Here is my /etc/samba/smb.conf:
# This is the main Samba configuration file. You should read the
# smb.conf(5) manual page in order to understand the options listed
# here. Samba has a huge number of configurable options (perhaps too
# many!) most of which are not shown in this example
# For a step to step guide on installing, configuring and using samba,
# read the Samba-HOWTO-Collection. This may be obtained from:
# http://www.samba.org/samba/docs/Samba-HOWTO-Collection.pdf
# Many working examples of smb.conf files can be found in the
# Samba-Guide which is generated daily and can be downloaded from:
# http://www.samba.org/samba/docs/Samba-Guide.pdf
# Any line which starts with a ; (semi-colon) or a # (hash)
# is a comment and is ignored. In this example we will use a #
# for commentry and a ; for parts of the config file that you
# may wish to enable
# NOTE: Whenever you modify this file you should run the command "testparm"
# to check that you have not made any basic syntactic errors.
#======================= Global Settings =====================================
[global]
# workgroup = NT-Domain-Name or Workgroup-Name, eg: MIDEARTH
workgroup = MYGROUP
# server string is the equivalent of the NT Description field
server string = Samba Server
# Security mode. Defines in which mode Samba will operate. Possible
# values are share, user, server, domain and ads. Most people will want
# user level security. See the Samba-HOWTO-Collection for details.
security = user
# This option is important for security. It allows you to restrict
# connections to machines which are on your local network. The
# following example restricts access to two C class networks and
# the "loopback" interface. For more examples of the syntax see
# the smb.conf man page
; hosts allow = 192.168.1. 192.168.2. 127.
# If you want to automatically load your printer list rather
# than setting them up individually then you'll need this
load printers = no
# you may wish to override the location of the printcap file
; printcap name = /etc/printcap
# on SystemV system setting printcap name to lpstat should allow
# you to automatically obtain a printer list from the SystemV spool
# system
; printcap name = lpstat
# It should not be necessary to specify the print system type unless
# it is non-standard. Currently supported print systems include:
# bsd, cups, sysv, plp, lprng, aix, hpux, qnx
; printing = cups
# Uncomment this if you want a guest account, you must add this to /etc/passwd
# otherwise the user "nobody" is used
; guest account = pcguest
# this tells Samba to use a separate log file for each machine
# that connects
log file = /var/log/samba/%m.log
# Put a capping on the size of the log files (in Kb).
max log size = 50
# Use password server option only with security = server
# The argument list may include:
# password server = My_PDC_Name [My_BDC_Name] [My_Next_BDC_Name]
# or to auto-locate the domain controller/s
# password server = *
; password server = <NT-Server-Name>
# Use the realm option only with security = ads
# Specifies the Active Directory realm the host is part of
; realm = MY_REALM
# Backend to store user information in. New installations should
# use either tdbsam or ldapsam. smbpasswd is available for backwards
# compatibility. tdbsam requires no further configuration.
; passdb backend = tdbsam
# Using the following line enables you to customise your configuration
# on a per machine basis. The %m gets replaced with the netbios name
# of the machine that is connecting.
# Note: Consider carefully the location in the configuration file of
# this line. The included file is read at that point.
; include = /usr/local/samba/lib/smb.conf.%m
# Configure Samba to use multiple interfaces
# If you have multiple network interfaces then you must list them
# here. See the man page for details.
; interfaces = 192.168.12.2/24 192.168.13.2/24
# Browser Control Options:
# set local master to no if you don't want Samba to become a master
# browser on your network. Otherwise the normal election rules apply
; local master = no
# OS Level determines the precedence of this server in master browser
# elections. The default value should be reasonable
; os level = 33
# Domain Master specifies Samba to be the Domain Master Browser. This
# allows Samba to collate browse lists between subnets. Don't use this
# if you already have a Windows NT domain controller doing this job
; domain master = yes
# Preferred Master causes Samba to force a local browser election on startup
# and gives it a slightly higher chance of winning the election
; preferred master = yes
# Enable this if you want Samba to be a domain logon server for
# Windows95 workstations.
; domain logons = yes
# if you enable domain logons then you may want a per-machine or
# per user logon script
# run a specific logon batch file per workstation (machine)
; logon script = %m.bat
# run a specific logon batch file per username
; logon script = %U.bat
# Where to store roving profiles (only for Win95 and WinNT)
# %L substitutes for this servers netbios name, %U is username
# You must uncomment the [Profiles] share below
; logon path = \\%L\Profiles\%U
# Windows Internet Name Serving Support Section:
# WINS Support - Tells the NMBD component of Samba to enable it's WINS Server
; wins support = yes
# WINS Server - Tells the NMBD components of Samba to be a WINS Client
# Note: Samba can be either a WINS Server, or a WINS Client, but NOT both
; wins server = w.x.y.z
# WINS Proxy - Tells Samba to answer name resolution queries on
# behalf of a non WINS capable client, for this to work there must be
# at least one WINS Server on the network. The default is NO.
; wins proxy = yes
# DNS Proxy - tells Samba whether or not to try to resolve NetBIOS names
# via DNS nslookups. The default is NO.
dns proxy = no
# These scripts are used on a domain controller or stand-alone
# machine to add or delete corresponding unix accounts
; add user script = /usr/sbin/useradd %u
; add group script = /usr/sbin/groupadd %g
; add machine script = /usr/sbin/adduser -n -g machines -c Machine -d /dev/null -s /bin/false %u
; delete user script = /usr/sbin/userdel %u
; delete user from group script = /usr/sbin/deluser %u %g
; delete group script = /usr/sbin/groupdel %g
#============================ Share Definitions ==============================
; [homes]
; comment = Home Directories
; browseable = no
; writable = yes
# Un-comment the following and create the netlogon directory for Domain Logons
; [netlogon]
; comment = Network Logon Service
; path = /usr/local/samba/lib/netlogon
; guest ok = yes
; writable = no
; share modes = no
# Un-comment the following to provide a specific roving profile share
# the default is to use the user's home directory
;[Profiles]
; path = /usr/local/samba/profiles
; browseable = no
; guest ok = yes
# NOTE: If you have a BSD-style print system there is no need to
# specifically define each individual printer
; [printers]
; comment = All Printers
; path = /var/spool/samba
; browseable = no
# Set public = yes to allow user 'guest account' to print
; guest ok = no
; writable = no
; printable = yes
# This one is useful for people to share files
;[tmp]
; comment = Temporary file space
; path = /tmp
; read only = no
; public = yes
# A publicly accessible directory, but read only, except for people in
# the "staff" group
;[public]
; comment = Public Stuff
; path = /home/samba
; public = yes
; writable = yes
; printable = no
; write list = @staff
# Other examples.
# A private printer, usable only by fred. Spool data will be placed in fred's
# home directory. Note that fred must have write access to the spool directory,
# wherever it is.
;[fredsprn]
; comment = Fred's Printer
; valid users = fred
; path = /homes/fred
; printer = freds_printer
; public = no
; writable = no
; printable = yes
# A private directory, usable only by fred. Note that fred requires write
# access to the directory.
;[fredsdir]
; comment = Fred's Service
; path = /usr/somewhere/private
; valid users = fred
; public = no
; writable = yes
; printable = no
# a service which has a different directory for each machine that connects
# this allows you to tailor configurations to incoming machines. You could
# also use the %U option to tailor it by user name.
# The %m gets replaced with the machine name that is connecting.
;[pchome]
; comment = PC Directories
; path = /usr/pc/%m
; public = no
; writable = yes
# A publicly accessible directory, read/write to all users. Note that all files
# created in the directory by users will be owned by the default user, so
# any user with access can delete any other user's files. Obviously this
# directory must be writable by the default user. Another user could of course
# be specified, in which case all files would be owned by that user instead.
;[public]
; path = /usr/somewhere/else/public
; public = yes
; only guest = yes
; writable = yes
; printable = no
# The following two entries demonstrate how to share a directory so that two
# users can place files there that will be owned by the specific users. In this
# setup, the directory should be writable by both users and should have the
# sticky bit set on it to prevent abuse. Obviously this could be extended to
# as many users as required.
;[myshare]
; comment = Mary's and Fred's stuff
; path = /usr/somewhere/shared
; valid users = mary fred
; public = no
; writable = yes
; printable = no
; create mask = 0765
[shared]
path = /media/shared
valid users = foosoft
public = no
writable = yes
[tomato]
path = /media/data1/tomato
valid users = foosoft
public = no
writable = yes
show add printer wizard = no
printing = none
printcap name = /dev/null
disable spoolss = yes
I'm totally out of ideas here, anyone have a tip on what I could try next?
Last edited by FooSoft (2009-04-18 19:52:28)

glad you posted it first i had the same problem.
However, samba was complaining that
printing = none
was invalid. I removed that line and it works great.
thanks
Last edited by lio (2009-10-16 00:20:14)

New install issue-unable to connect to DB server from a remote client.

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