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Thread: Unable to access other systems in LAN

  1. #1
    Join Date
    Nov 2010
    Location
    Trivandrum, Kerala, India
    Beans
    27
    Distro
    Ubuntu 11.04 Natty Narwhal

    Unable to access other systems in LAN

    I'm having a problem in accessing the systems in my local area network. I'm using the connection in my hostel to connect to internet. Its a permanent connection ,connected through switches in each floor,to the router. I'm able to access internet but when I try to access any system in the network,it says 'UNABLE TO MOUNT - Failed to retrieve share list from server'. Almost all of the systems in the network are windows systems. I double click on the 'Windows Network' icon and double click my workgroup icon and open that folder. But I'm unable to access any systems in the workgroup. It sends the same error mentioned above. I can view the names of systems in the network though.

    Its definitely not a hardware problem because I'm able to access systems in network when I tested in Windows.

  2. #2
    Join Date
    Nov 2009
    Beans
    Hidden!
    Distro
    Kubuntu 14.04 Trusty Tahr

    Re: Unable to access other systems in LAN

    you need to:
    - have samba installed
    - windows disk or at least folder must be marked as shared.

    samba usually should be automaticly offered, but if not you can installit yourself (probably in software center).
    Easy to understand Ubuntu manual with lots of pics: http://ubuntu-manual.org/
    Do i need antivirus/firewall in linux?
    User friendly disk backup: Redobackup

  3. #3
    Join Date
    Mar 2010
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    ρθΦ=000
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    Distro
    Ubuntu 10.04 Lucid Lynx

    Re: Unable to access other systems in LAN

    As mastablasta said, you'll need to share the files/folders in Windows, then access them through samba

    Samba Client Configuration

    Configuring SAMBA

    MountWindowsSharesPermanently

  4. #4
    Join Date
    Nov 2010
    Location
    Trivandrum, Kerala, India
    Beans
    27
    Distro
    Ubuntu 11.04 Natty Narwhal

    Re: Unable to access other systems in LAN

    I have files shared on other systems. and samba is installed too..

  5. #5
    Join Date
    Mar 2010
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    Distro
    Ubuntu 10.04 Lucid Lynx

    Re: Unable to access other systems in LAN

    Open your file manager and try to access the machine by entering this in the address bar:

    Code:
    smb://ip_address_of_other_machine

  6. #6
    Join Date
    Dec 2009
    Beans
    5,556

    Re: Unable to access other systems in LAN

    You need to provide some information for the people here to work with.

    First install nmap:
    Code:
    sudo apt-get install nmap
    Then run the following command:
    Code:
    sudo nmap -sS -sU -T4 192.168.0.100
    Run it twice, once against the ip address of your current Ubuntu machine and again with the ip address of a machine you're trying to access.
    You need to have at least these ports open for Samba/SMB to work:
    139/tcp open netbios-ssn
    445/tcp open microsoft-ds
    137/udp open|filtered netbios-ns
    138/udp open|filtered netbios-dgm
    Next run this command and post it's output:
    Code:
    smbtree

  7. #7
    Join Date
    Nov 2010
    Location
    Trivandrum, Kerala, India
    Beans
    27
    Distro
    Ubuntu 11.04 Natty Narwhal

    Re: Unable to access other systems in LAN

    arjunlal@Arjunlal-DT:~$ sudo nmap -sS -sU -T4 192.168.1.200

    Starting Nmap 5.21 ( http://nmap.org ) at 2011-01-08 07:40 IST
    Nmap scan report for Arjunlal-DT (192.168.1.200)
    Host is up (0.0000080s latency).
    Not shown: 1994 closed ports
    PORT STATE SERVICE
    139/tcp open netbios-ssn
    445/tcp open microsoft-ds
    68/udp open|filtered dhcpc
    137/udp open netbios-ns
    138/udp open|filtered netbios-dgm
    5353/udp open|filtered zeroconf

    Nmap done: 1 IP address (1 host up) scanned in 1.37 seconds
    arjunlal@Arjunlal-DT:~$ sudo nmap -sS -sU -T4 192.168.1.88

    Starting Nmap 5.21 ( http://nmap.org ) at 2011-01-08 07:40 IST
    Nmap scan report for 192.168.1.88
    Host is up (0.00031s latency).
    All 2000 scanned ports on 192.168.1.88 are filtered (1000) or open|filtered (1000)
    MAC Address: 00:E0:1C:3C:42:BA (Cradlepoint)

    Nmap done: 1 IP address (1 host up) scanned in 42.75 seconds
    arjunlal@Arjunlal-DT:~$ sudo nmap -sS -sU -T4 192.168.1.101

    Starting Nmap 5.21 ( http://nmap.org ) at 2011-01-08 07:41 IST
    Nmap scan report for 192.168.1.101
    Host is up (0.00040s latency).
    All 2000 scanned ports on 192.168.1.101 are filtered (1000) or open|filtered (1000)
    MAC Address: 00:1D:72:3A:64:C5 (Wistron)

    Nmap done: 1 IP address (1 host up) scanned in 42.27 seconds
    arjunlal@Arjunlal-DT:~$ smbtree
    Enter arjunlal's password:
    WORKGROUP
    RITMH
    \\RENJITH renjith server (Samba, Ubuntu)
    cli_start_connection: failed to connect to RENJITH<20> (0.0.0.0). Error NT_STATUS_BAD_NETWORK_NAME
    \\JASEEM-PC
    cli_start_connection: failed to connect to JASEEM-PC<20> (0.0.0.0). Error NT_STATUS_BAD_NETWORK_NAME
    \\JAMSHEER-PC
    cli_start_connection: failed to connect to JAMSHEER-PC<20> (0.0.0.0). Error NT_STATUS_BAD_NETWORK_NAME
    \\HARIS
    cli_start_connection: failed to connect to HARIS<20> (0.0.0.0). Error NT_STATUS_BAD_NETWORK_NAME
    \\ATHEIST ATHIEST
    cli_start_connection: failed to connect to ATHEIST<20> (0.0.0.0). Error NT_STATUS_BAD_NETWORK_NAME
    \\ARJUNLAL-DT Arjunlal-DT server (Samba, Ubuntu)
    \\ARJUNLAL-DT\IPC$ IPC Service (Arjunlal-DT server (Samba, Ubuntu))
    \\ARJUNLAL-DT\print$ Printer Drivers
    I would like to let you know that I'm unable to access any system in the network. They are not able to access me too. I've tried the given command with my ip(192.168.1.200) and two other ips.

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