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Packer - 1st: How to create a file in the machine. 2nd: Export machine to ova file


By : user2175673
Date : October 14 2020, 08:10 PM
hope this fix your issue Use the file provisioner Set "format": "ova" in your template and remove the vagrant post-processor unless you need a vagrant box too. *) See virtualbox-iso: format
*) If you really need that you should run a shell-local post-provisioner in parallel with the vagrant one that converts the ovf to ova instead of setting format, since most likely the vagrant box must contain an ovf.
code :


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Export to Excel button from web page gives an error after the file is downloaded to the users machine: "File format


By : Clark Vaughan
Date : March 29 2020, 07:55 AM
help you fix your problem The method I've used in the past utilizes the EPPlus library: http://epplus.codeplex.com/
So include that in your project, then you can call this method, just pass in your DataTable:
code :
public static void DumpExcel(DataTable dataTable)
{
    using (ExcelPackage package = new ExcelPackage())
    {
        ExcelWorksheet worksheet = package.Workbook.Worksheets.Add("DataTable");

        worksheet.Cells["A1"].LoadFromDataTable(dataTable, true);

        for (int i = 1; i <= dataTable.Columns.Count; i++)
        {
            worksheet.Column(i).AutoFit();

            if (dataTable.Columns[i - 1].DataType == System.Type.GetType("System.DateTime"))
            {
                worksheet.Column(i).Style.Numberformat.Format = CultureInfo.CurrentCulture.DateTimeFormat.ShortDatePattern;
            }
        }

        HttpContext.Current.Response.ContentType = "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet";
        HttpContext.Current.Response.AddHeader("content-disposition", "attachment;  filename=table.xlsx");
        HttpContext.Current.Response.BinaryWrite(package.GetAsByteArray());
        HttpContext.Current.Response.End();
    }
}
worksheet.Row(1).Style.Font.Bold = true;

Is it possible to export/import a virtual box machine in one file?


By : user3290862
Date : March 29 2020, 07:55 AM
Hope that helps If I understand you correctly you would like to make a Vagrant base box from provisioned by Vagrant VMs. This is not recommended way to go. How you can approach this is:
Create new VM manually with required OS in the VBox. Adjust it so Vagrant can connect to it as described here and here. Provision it using your shell scripts. Install all the things you would find useful to have on this VM. Use Vagrant to package it as a base box as described here.

Export a csv file from mysql to a local machine


By : newbie231
Date : March 29 2020, 07:55 AM
To fix the issue you can do You can tunnel the mysql port (on the server) via ssh.
Example of an ssh connection tunneling a port of the server (here in a .ssh/config file on ubuntu):
code :
Host my_mysql_server
Hostname mysql_host_server
Port ssh_port
LocalForward 3307 localhost:3306
User ssh_user
ssh -L 3307:localhost:3306 ... (hostname, ...)
mysql -h localhost -P 3307 your_database_name -u mysql_user -p < my_query.sql > export.csv

How to use Oracle data pump export utility to create dump file in local machine?


By : Thomas
Date : March 29 2020, 07:55 AM
hop of those help? If using Data Pump, there is no direct way to store a dump file on your local machine. That is the way how Data Pump designed.
However, there is one of possible ways to achieve what you want. A workaround has two steps:

How to create an EC2 machine with Packer?


By : n.devi
Date : March 29 2020, 07:55 AM
This might help you https://github.com/devopracy/devopracy-base/blob/master/packer/base.json There's a packer file that looks very similar to what I use at work for a base image. It's not tested, but we can go into it a bit. The base image is my own base - all services are built using it as a source ami. That way I control my dependencies and ensure there's a consistent os under my services. You could simply add cookbooks from the chef supermarket to see how provisioning a service works with this file, or use this as a base. As a base you would make a similar, less detailed build for the service and call this as the source ami.
This first part declares the variables I use to pack. The variables are injected before the build from a bash file which I DON'T CHECK IN TO SOURCE CONTROL. I keep the bash script in my home directory and source it before calling packer build. Note there's a cookbook path for the chef provisioner. I use the base_dir as the location on my dev box or the build server. I use a bootstrap key to build; packer will make it's own key to ssh if you don't specify one, but it's nice to make a key on aws and then launch your builds with it. That makes debugging packer easier on the fly.
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