Below error message observed while installing Symantec Endpoint Protection (SEP) agent on dark network Ubuntu client.
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Installing packages:
08/20/23 01:29:18: Package Version Source
08/20/23 01:29:18: ---------------------------------------- --------------- ------
08/20/23 01:29:18: sdcss-caf-2.0.6.216.ub18_amd64.deb 2.0.6.216 (file)
sdcss-6.9.3.2533.ub18_amd64.deb 6.9.3.2533 (file)
sdcss-kmod-10.0.5.1756.ub18_amd64.deb 10.0.5.1756 (file)
08/20/23 01:29:18: installDependency: Check/Install dependencies...
08/20/23 01:29:18: installDependency: Missing dependent libelf-dev on ubuntu18
08/20/23 01:29:18: installDependency: Missing dependent zip on ubuntu18
08/20/23 01:29:53: installDependency: apt update output Err:1 https://packages.microsoft.com/ubuntu/18.04/prod bionic InRelease
Could not connect to packages.microsoft.com:443 (*.*.*.*), connection timed out
Err:2 http://archive.ubuntu.com/ubuntu bionic InRelease
Cannot initiate the connection to archive.ubuntu.com:80 (*:*:*:*::*). - connect (101: Network is unreachable)
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SEP installation cannot be progressed until missing dependencies are installed.
OS: Ubuntu
SEP Version: 14.3.*
Kindly search dependent packages for old and new Ubuntu releases from below repository.
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https://old-releases.ubuntu.com/ubuntu/
http://archive.ubuntu.com/ubuntu/
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Download required dependencies and copy it to affected Ubuntu client.
Execute below command to install package.
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sudo dpkg -i "path/to/file.deb"
Ref: https://manpages.ubuntu.com/manpages/jammy/en/man1/dpkg.1.html
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Continue SEP installation post package is installed successfully.