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    Ricardo,<br>
    <br>
    You also need PHP 7.2 (at least 7.0) and the PHP module for
    libsodium.<br>
    <br>
    The Installer knows all the best repos to get all of that from,
    depending on what exact version of Linux you are running. It's not
    easy to explain in words, but the Installer is all written in bash
    and the bit concerning sodium is in stage 2 (the 2-php.sh scripts
    you'll find inside the Installer). So if you can read bash
    reasonably well, you could see what it is planning on doing.<br>
    <br>
    Depending on your version of Linux, it might need to totally rip out
    PHP and start again, which will also remove all installed PHP apps
    (including your copy of ZendTo).<br>
    <br>
    I would strongly consider building a new VM with a minimal install
    of your latest favourite Linux on it, then just use the ZendTo
    Installer as it is almost entirely automatic. 5 is enormously
    easier+faster to get working than 4 was.<br>
    <br>
    Hope that helps,<br>
    Jules.<br>
    <br>
    <div class="moz-cite-prefix">On 07/12/2018 12:25, RICARDO ARAÚJO
      POPOIRE WANDERLEY via ZendTo wrote:<br>
    </div>
    <blockquote type="cite"
cite="mid:WM!b3ede2463f42f29de97d6ddb035bb498b9ef452c1b2b2baf06ae66cf84b8300d989fef08fb8fdf6d54edbcd06a11e5a4!@mx.jul.es">
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        <p class="MsoNormal"><span lang="EN-US">Hi Everyone, <o:p></o:p></span></p>
        <p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
        <p class="MsoNormal"><span lang="EN-US">I did the upgrade from
            Version 4.28 to 5.X following the procedure in website but
            I’m facing an error as below:<o:p></o:p></span></p>
        <p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
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                <p class="MsoNormal"><span
                    style="font-size:12.0pt;font-family:"Times New
                    Roman",serif;mso-fareast-language:PT-BR">Installation
                    Error<o:p></o:p></span></p>
              </td>
            </tr>
            <tr>
              <td style="padding:.75pt .75pt .75pt .75pt"><br>
              </td>
              <td style="padding:.75pt .75pt .75pt .75pt">
                <p class="MsoNormal"><span
                    style="font-size:12.0pt;font-family:"Times New
                    Roman",serif;mso-fareast-language:PT-BR"
                    lang="EN-US">You need the libsodium support in PHP.
                    Please download and run the ZendTo installer from
                    <a class="moz-txt-link-freetext" href="http://zend.to/">http://zend.to/</a> and it will upgrade your system to
                    the PHP setup required.<o:p></o:p></span></p>
              </td>
            </tr>
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              <td style="padding:.75pt .75pt .75pt .75pt">
                <p class="MsoNormal"><span
                    style="font-size:12.0pt;font-family:"Times New
                    Roman",serif;mso-fareast-language:PT-BR"><o:p> </o:p></span></p>
                <p class="MsoNormal"><span
                    style="font-size:12.0pt;font-family:"Times New
                    Roman",serif;mso-fareast-language:PT-BR"><o:p> </o:p></span></p>
              </td>
              <td style="padding:.75pt .75pt .75pt .75pt">
                <p class="MsoNormal"><span
                    style="font-size:12.0pt;font-family:"Times New
                    Roman",serif;mso-fareast-language:PT-BR"
                    lang="EN-US"><o:p> </o:p></span></p>
              </td>
            </tr>
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                <p class="MsoNormal"><span
                    style="font-size:12.0pt;font-family:"Times New
                    Roman",serif;mso-fareast-language:PT-BR"><o:p> </o:p></span></p>
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                <p class="MsoNormal"><span
                    style="font-size:12.0pt;font-family:"Times New
                    Roman",serif;mso-fareast-language:PT-BR"
                    lang="EN-US"><o:p> </o:p></span></p>
              </td>
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        <p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
        <p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
        <p class="MsoNormal"><span lang="EN-US">I have libsodium
            installed. <o:p></o:p></span></p>
        <p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
        <p class="MsoNormal"><span lang="EN-US">Could you help me with
            this?<o:p></o:p></span></p>
        <p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
        <p class="MsoNormal"><span lang="EN-US">Thanks in advance<o:p></o:p></span></p>
        <p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
        <p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
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                <p class="MsoNormal" style="text-align:right"
                  align="right"><a
                    href="https://modal.com.br/html/index.php"
                    moz-do-not-send="true"><span
                      style="color:blue;mso-fareast-language:PT-BR;text-decoration:none"><img
                        style="width:1.625in;height:.5937in"
                        id="_x0000_i1025"
                        src="http://www.modal.com.br/emailmkt/marca-assinatura.jpg"
alt="http://www.modal.com.br/emailmkt/marca-assinatura.jpg"
                        moz-do-not-send="true" width="156" height="57"
                        border="0"></span></a><span
                    style="font-size:12.0pt;mso-fareast-language:PT-BR"><o:p></o:p></span></p>
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                0cm;height:48.75pt" width="12">
                <p class="MsoNormal"><span
                    style="mso-fareast-language:PT-BR">  <o:p></o:p></span></p>
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                style="width:249.0pt;padding:0cm 0cm 0cm
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                <p class="MsoNormal"><b><span
                      style="font-size:10.0pt;color:#394036;mso-fareast-language:PT-BR">RICARDO
                      ARAUJO POPOIRE WANDERLEY</span></b><span
                    style="mso-fareast-language:PT-BR">
                    <o:p></o:p></span></p>
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                    style="mso-fareast-language:PT-BR"> </span><span
                    style="font-size:12.0pt;mso-fareast-language:PT-BR"><o:p></o:p></span></p>
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                valign="bottom">
                <p class="MsoNormal"><span
                    style="mso-fareast-language:PT-BR"> </span><span
                    style="font-size:12.0pt;mso-fareast-language:PT-BR"><o:p></o:p></span></p>
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                <p class="MsoNormal"
                  style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:10.0pt;color:#394036;mso-fareast-language:PT-BR">Tels. 55 21
                    3223 7944 | 7700
                    <br>
                    Cel.  55 21 99477 6779<br>
                    Fax   55 21 3223 7738 </span><span
                    style="font-size:12.0pt;font-family:"Times New
                    Roman",serif;mso-fareast-language:PT-BR"><o:p></o:p></span></p>
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                0cm;height:22.5pt" valign="bottom">
                <p class="MsoNormal"><span
                    style="mso-fareast-language:PT-BR"> <o:p></o:p></span></p>
              </td>
              <td style="width:15.0pt;padding:0cm 0cm 0cm
                0cm;height:22.5pt" width="21">
                <p class="MsoNormal"><span
                    style="mso-fareast-language:PT-BR"><o:p> </o:p></span></p>
              </td>
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                <p class="MsoNormal"><span
                    style="mso-fareast-language:PT-BR"><o:p> </o:p></span></p>
              </td>
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          </tbody>
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        <p class="MsoNormal"><span style="mso-fareast-language:PT-BR"
            lang="EN-US"><o:p> </o:p></span></p>
        <p class="MsoNormal"><o:p> </o:p></p>
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            <td width="47"><img
                src="http://www.modal.com.br/images/rec.png"
                moz-do-not-send="true"></td>
            <td width="427"><font size="1" face="Arial, Helvetica,
                sans-serif">A impressão consciente gera economia e
                responsabilidade com o meio ambiente </font></td>
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              <div align="justify"><font size="1" face="Arial,
                  Helvetica, sans-serif" color="#004c41">Atenção:</font><font
                  size="1" face="Arial, Helvetica, sans-serif"
                  color="#727272"> Esta comunicação deve ser lida apenas
                  pelo seu destinatário e não pode ser retransmitida sem
                  autorização formal. Se esta mensagem tiver sido
                  recebida indevidamente, por favor destrua-a e retire-a
                  de seu computador.<br>
                  Qualquer reprodução, disseminação, alteração,
                  distribuição e/ou publicação deste e-mail é
                  estritamente proibida. </font></div>
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            <td>
              <div align="justify"><font size="1" face="Arial,
                  Helvetica, sans-serif" color="#004c41">Notice of
                  Confidentiality:</font><font size="1" face="Arial,
                  Helvetica, sans-serif" color="#727272"> This document
                  should only be read by those persons to whom it is
                  addressed and is not intended to be relied upon by any
                  person without subsequent written confirmation of its
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      <pre class="moz-quote-pre" wrap="">_______________________________________________
ZendTo mailing list
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<a class="moz-txt-link-freetext" href="http://jul.es/mailman/listinfo/zendto">http://jul.es/mailman/listinfo/zendto</a>
</pre>
    </blockquote>
    <br>
    <pre class="moz-signature" cols="72">Jules

-- 
Julian Field MEng CEng CITP MBCS MIEEE MACM

'We face neither East nor West: we face forward.' - Kwame Nkrumah

<a class="moz-txt-link-abbreviated" href="http://www.Zend.To">www.Zend.To</a>
Twitter: @JulesFM
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