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Can I install the mosh package on the Carbon Black Enterprise Server?

Can I install the mosh package on the Carbon Black Enterprise Server?

Version:

This solution applies to all Carbon Black versions.

Topic:


This solution explains why installing the EPEL (Extra Packages for Enterprise Linux) mosh package is not supported due to a dependency conflict. Other packages that do not have a dependency conflict could be installed.


Question:

Can I install the EPEL mosh package, or another similar package?

Note: Mosh requires non-standard CentOS base repository, so the mosh package serves as an example.

Answer:

The installation of EPEL packages may or may not be allowed, which depends on existing Carbon Black dependencies.  For example the mosh package could not be installed because mosh requires a specific version of protobuf, while Carbon Black also requires a specific version.  The two versions would conflict, and the Carbon Black installation would be negatively affected. 

For example when using the yum utility to install the mosh package, a dependency issue with protobuf is highlighted:

          # yum install mosh

          Loaded plugins: fastestmirror, security

          Loading mirror speeds from cached hostfile

          ---> Package mosh.x86_64 0:1.2.4-1.el6 will be installed

          --> Processing Dependency: libprotobuf.so.6()(64bit) for package: mosh-1.2.4-1.el6.x86_64

          --> Finished Dependency Resolution

          Error: Package: mosh-1.2.4-1.el6.x86_64 (epel)

          Requires: libprotobuf.so.6()(64bit)

          Available: protobuf-2.3.0-7.el6.x86_64 (epel)

          libprotobuf.so.6()(64bit)

          Installed: protobuf-2.4.1-1.noarch (@CarbonBlack)

From the above output, protobuf-2.3.0-7.el6.x86_64 is needed for the mosh package to be installed. However, Carbon Black depends on the already installed package protobuf-2.4.1-1.noarch, so this package cannot be installed.

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Creation Date:
‎02-10-2015
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