The following error messages can appear when installing Network Configuration Manager using Red Hat Enterprise Linux.

Error Message

Solution

When trying to restart Network Configuration Manager Services, the following error is displayed when Device Server Service is already running:

[FAILED]

To verify the Network Configuration Manager services that are running, and to manually stop them:

  • Run ps afx on the server and search for the following processes:

    autodiscd

    cfgmgrd

    commmgrd

    evdispatchd

    syssyncd

    zebedee

  • Note the Process ID, or pid, and stop the service (the pid can be found in the first column of the command output) using the command:

    kill -9 pid

    To stop multiple processes, you can append the processes to the command, for example:

    kill -9 pid [pid...]

  • To start and stop all the Network Configuration Manager services using the above commands, run:

    /etc/init.d/vcmaster script

This platform is not supported. The supported Linux platforms are: Red Hat Enterprise Linux 5.8 and above, and Red Hat Enterprise Linux 6.x

Verify the server operating system is officially supported by Network Configuration Manager.

/etc/redhat-release is required to validate the OS version.

Verify the following:

  • The /etc/redhat-release file exists

  • The operating system you are installing on is officially supported by Network Configuration Manager

Could not find an installed version of Java compatible with this product. See the Install Guide for details.

Verify the following:

  • The installed version of Java is compatible with Network Configuration Manager

  • Java is installed correctly

Could not find an installed version of OpenSSL compatible with this product. See the Install Guide for details.

Verify the following:

  • The installed version of OpenSSL is compatible with Network Configuration Manager

  • OpenSSL is installed correctly

Could not find an installed version of Apache HTTP Server.

Verify the following:

  • The installed version of Apache HTTP Server is compatible with Network Configuration Manager

  • Apache HTTP Server is installed correctly

Could not find an installed version of Tomcat compatible with this product. See the Install Guide for details.

Verify the following:

  • The installed version of Apache Tomcat Server is compatible with Network Configuration Manager

  • Apache Tomcat Server is installed correctly

<HOST> not found in /etc/hosts. Create an entry for this hostname.

The /etc/hosts file must contain an entry for the hostname of the server, as it's known to the operating system.

  • Run the hostname command to print the hostname

  • Verify that the /etc/hosts file has an entry for that hostname

<IP ADDRESS> not found in /etc/hosts. Create an entry for this IP address.

The /etc/hosts file must contain an entry for the IP address of the primary network interface.

/etc/hosts file is missing and is required.

Create a /etc/hosts file that contains the following:

  • An entry for localhost

  • An entry for the hostname of the server

/etc/resolv.conf must contain a nameserver entry.

Add a nameserver entry to the /etc/resolv.conf file that includes a valid DNS server IP address.

/etc/resolv.conf is required for domain name resolution.

Create a /etc/resolv.conf file that contains at least one valid nameserver entry.

SELinux must be disabled.

Complete the following:

  • Edit the /etc/sysconfig/selinux file

  • Set SELINUX=disabled

  • Reboot the server

/usr/sbin/selinuxenabled is required to determine if SELinux is enabled.

Install the libselinux RPM, which includes the /usr/sbin/selinuxenabled utility.

Could not determine Perl version from perl -v command.

Verify the following:

  • perl is in the system PATH

  • perl -v returns the version information for Perl

Perl version <VERSION> does not match the required version <REQUIRED VERSION>.

Complete the following:

  • Install the required version of Perl and

  • Verify perl is in the system PATH

Perl version command (perl -v) returned an error.

Verify the following:

  • perl is in the system PATH

  • perl -v returns the version information for Perl

<FILE or DIRECTORY> is not readable.

Verify that the file or directory specified in the error is readable.

<FILE or DIRECTORY> is not writable.

Verify that the file or directory specified in the error is writable.

<FILE or DIRECTORY> is not executable.

Verify that the file or directory specified in the error is executable.

The <RPM> (<VERSION>) RPM is not installed and is required.

Install the RPM specified in the error.

Note:

When installing the RPM, ensure the RPM version matches the version specified in the error.

The <RPM> RPM is not installed and is required.

Install the RPM specified in the error.

The <RPM> RPM is installed but the version does not match the required version (<VERSION>).

Install the required version of the package specified in the error.

No success connecting to <HOST> on port <PROTO> <PORT> (<SERVICE>) after 10 tries.

Check the install logs for errors. A required service may have failed to start.

Port <PROTO> <PORT> on <HOST> is required by <SERVICE>, but it is in use by another process.

There is another process running that is bound to the port specified in the error. In order to proceed, you must stop the service that is using the required port.

Extraction of psql-8.2.zip failed.

Verify the following:

  • unzip is in the system PATH

  • Sufficient disk space is available in the /tmp partition

Failed to connect to the voyencedb database on host <IP>. Check that the database service is running and try again.

Verify the following:

  • The controldb service is running on the server specified in the error

  • Port TCP 5435 is reachable by the server where you are installing

psql-8.2.zip is required to validate the schema version.

Verify that you have sufficient disk space available in your /tmp partition.

Installation process does not respond on Linux platforms on certain virtual machines.

This is due to an improper installation. The installation process does not respond at setupmgr.cgi call which in turn tries to setup an SSL Connection. Https threads are spawned and remain as zombie processes.

Follow these steps:

  1. Uninstall the existing installation manually as described in “Manually uninstalling Network Configuration Manager” on page 18.

  2. Type the following command at the command prompt to check if the rpm file, mod_nss is present in the system: 

    yum list installed | grep mod_nss

  3. If the rpm file m od_nss is present, delete it using the following command: 

    yum remove mod_nss.x86_64

  4. Install Network Configuration Manager on Linux platform by following the procedures mention in the “Installation on Linux platform” section of the VMware Smart Assurance Network Configuration Manager Installation Guide.