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MVM FAQs

1,968 bytes added, 22:04, 15 November 2018
add solution for OpenSSL/TLS error
*<code>libncurses5-dev</code>
*<code>libncursesw5-dev</code>.
===Q: Is it possible to resize the virtual disk?===
Yes, but you need to convert the image to VDI format first. For example, see [https://www.jamescoyle.net/how-to/2000-convert-virtual-disk-image-vmware-vmdk-to-virtualbox-vdi this page].
Once you have the VDI file, follow the procedure described [https://www.howtogeek.com/124622/how-to-enlarge-a-virtual-machines-disk-in-virtualbox-or-vmware/ here].
 
=== Q: I get an OpenSSL error when accessing resources over TLS, e.g. download using wget on https. How to fix this? ===
This errors is caused when an old version of OpenSSL, e.g. like the one present on an non-updated Ubuntu 12.04, is used to access resources using TLS, e.g.:<syntaxhighlight lang="bash">
dvdk@dvdkVM:~$ wget https://github.com/openssl/openssl/archive/master.zip
--2018-11-15 22:59:47-- https://github.com/openssl/openssl/archive/master.zip
Resolving github.com (github.com)... 140.82.118.3, 140.82.118.4
Connecting to github.com (github.com)|140.82.118.3|:443... connected.
OpenSSL: error:1407742E:SSL routines:SSL23_GET_SERVER_HELLO:tlsv1 alert protocol version
Unable to establish SSL connection.
 
</syntaxhighlight>To fix this user just have to updates OpenSSL and related libraries, using the following commands:<syntaxhighlight lang="bash">
sudo apt-get update
sudo apt-get install libssl-dev curl wget openssl
</syntaxhighlight>This is the result:<syntaxhighlight lang="bash">
dvdk@dvdkVM:~$ wget https://github.com/openssl/openssl/archive/master.zip
--2018-11-15 23:02:38-- https://github.com/openssl/openssl/archive/master.zip
Resolving github.com (github.com)... 140.82.118.4, 140.82.118.3
Connecting to github.com (github.com)|140.82.118.4|:443... connected.
HTTP request sent, awaiting response... 302 Found
Location: https://codeload.github.com/openssl/openssl/zip/master [following]
--2018-11-15 23:02:39-- https://codeload.github.com/openssl/openssl/zip/master
Resolving codeload.github.com (codeload.github.com)... 192.30.253.120, 192.30.253.121
Connecting to codeload.github.com (codeload.github.com)|192.30.253.120|:443... connected.
HTTP request sent, awaiting response... 200 OK
Length: unspecified [application/zip]
Saving to: `master.zip'
 
[ <=> ] 652.482 694K/s
</syntaxhighlight>
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