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2015-12-31

Barracuda Backup Agent for Linux Unattended Installation

Barracuda Networks provide agents for their backup appliance for various operating systems. Unfortunately the Linux agent (unlike the Windows agent) does not come with an option for a silent installation, and it doesn't look like the vendor can be bothered to do anything about it.

Instead of being able specify a path on the commandline (or at least force a silent installaton to the default path) you're always prompted for the path where the agent should be installed:

/tmp # tar xzf barracuda_backup_agent-x.x.x.tar.gz
/tmp # cd barracuda_backup_agent-x.x.x
/tmp/barracuda_backup_agent-x.x.x # ./install
Please choose an installation path, or press enter for default.
[/usr/local/barracuda/bbs]: _

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Posted 01:13 [permalink]

2015-12-30

Save and Restore a DataTable

If you have a DataTable object in PowerShell and you want to persist that object as a file (and restore it back to a DataTable object sometime later) the naïve approach would be to export the (tabular) data to a (tabular) CSV:

$dt | Export-Csv -Path 'C:\path\to\table.csv' -NoType

However, the problem with this approach is that you lose the type information for the columns of the datatable (the only type information saved by the Export-Csv cmdlet is about the type of the objects representing the rows). Also, there's no simple way to restore the CSV back to a datatable.

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Posted 17:01 [permalink]