Month: March 2019

Quinn Kelsey

Jovan Stosic March 29, 2019

American baritone Quinn Kelsey made his Royal Opera debut in 2016 as Giorgio Germont (La traviata) and has since returned to sing Count di Luna (Il trovatore).

Kelsey was born in Honolulu. He represented the USA in the 2005 BBC Cardiff Singer of the World Competition. In 2008 he made his debut with the Metropolitan Opera, New York, as Schaunard (La bohème). He has since sung for many major international opera companies, including Lyric Opera of Chicago, San Francisco Opera, Santa Fe Opera, Canadian Opera Company, Zürich Opera, Hawaii Opera Theater, Norwegian National Opera, Paris Opéra, Semperoper Dresden, Rome Opera, Deutsche Oper Berlin, Frankfurt Opera and for the Bregenz and Edinburgh festivals. He has sung Germont for the Metropolitan Opera, Lyric Opera of Chicago, San Francisco Opera, Canadian Opera Company, Zürich Opera and in Seoul. Other Verdi roles include Rigoletto, Ezio (Attila), Count di Luna (Il trovatore), Montfort (Les Vêpres siciliennes), Paolo Albiani (Simon Boccanegra), Amonasro (Aida) and Falstaff.

Kelsey’s other repertory includes Enrico Ashton (Lucia di Lammermoor), Zurga (Les Pêcheurs de perles), Marcello (La bohème), Forester (The Cunning Little Vixen), Athanaël (Thaïs) and Sancho Panza (Don Quichotte). He has performed in concert and recital in the USA, the UK, Germany and Norway, in such repertory as Beethoven’s Symphony no.9, Mahler’s Symphony no.8, Orff’s Carmina Burana and Szymanowski’s Stabat mater.

http://www.roh.org.uk/people/quinn-kelsey

Quinn Kelsey was last modified: March 29th, 2019 by Jovan Stosic

Create and upload an Ubuntu Linux VHD in Azure

Jovan Stosic March 28, 2019

This article assumes that you have already installed an Ubuntu Linux operating system to a virtual hard disk. Multiple tools exist to create .vhd files, for example a virtualization solution such as Hyper-V. For instructions, see Install the Hyper-V Role and Configure a Virtual Machine.

Ubuntu installation notes

  • Please see also General Linux Installation Notes for more tips on preparing Linux for Azure.
  • The VHDX format is not supported in Azure, only fixed VHD. You can convert the disk to VHD format using Hyper-V Manager or the convert-vhd cmdlet.
  • When installing the Linux system it is recommended that you use standard partitions rather than LVM (often the default for many installations). This will avoid LVM name conflicts with cloned VMs, particularly if an OS disk ever needs to be attached to another VM for troubleshooting. LVM or RAID may be used on data disks if preferred.
  • Do not configure a swap partition on the OS disk. The Linux agent can be configured to create a swap file on the temporary resource disk. More information about this can be found in the steps below.
  • All VHDs on Azure must have a virtual size aligned to 1MB. When converting from a raw disk to VHD you must ensure that the raw disk size is a multiple of 1MB before conversion. See Linux Installation Notes for more information.

Source: Create and upload an Ubuntu Linux VHD in Azure | Microsoft Docs

Create and upload an Ubuntu Linux VHD in Azure was last modified: March 28th, 2019 by Jovan Stosic

Moodle – Reverse proxy frontend

Jovan Stosic March 25, 2019

A reverse proxy or surrogate is a proxy server that is installed in a server network. Typically, reverse proxies are used in front of Web servers. All connections coming from the Internet addressed to one of the Web servers are routed through the proxy server, which may either deal with the request itself or pass the request wholly or partially to the main web servers.

Contents

Requirements

  • You need ssl for authentication.
  • You run Apache 2.2 both in the backend and the frontend.
  • You run RHEL 5.2 Application stack 2 in the backend (php 5.2.6 + mysql 5 + apache 2.2.10).
  • You run Apache 2.2 as the frontend in any modern OS using trainer.moodle.org as url (My frontend apache runs on Windows 2003).
  • You installed moodle 1.9 to run from “/” the internal http server with SSL support on 10.1.1.24.
  • You have an external facing apache using SSL.

Configuration for the external server

http.conf

(snip)
ProxyPass / http://10.1.1.24/
ProxyPassReverse / http://10.1.1.24/
ProxyPreserveHost On
(snip)
Include conf/http-ssl.conf

http-ssl.conf

(snip)
ProxyPass / http://10.1.1.24/
ProxyPassReverse / http://10.1.1.24/
(snip)

config.php

<?php  /// Moodle Configuration File 

unset($CFG);

$CFG->dbtype    = 'mysql';
$CFG->dbhost    = 'localhost';
$CFG->dbname    = 'moodle';
$CFG->dbuser    = 'moodleuser';
$CFG->dbpass    = 'XXXXXXXX';
$CFG->dbpersist =  false;
$CFG->prefix    = 'mdl_';

$CFG->wwwroot   = 'http://trainer.moodle.org';
$CFG->dirroot   = '/var/www/moodle';
$CFG->dataroot  = '/opt/moodle_data';
$CFG->admin     = 'admin';

$CFG->directorypermissions = 00777;  // try 02777 on a server in Safe Mode

require_once("$CFG->dirroot/lib/setup.php");
// MAKE SURE WHEN YOU EDIT THIS FILE THAT THERE ARE NO SPACES, BLANK LINES,
// RETURNS, OR ANYTHING ELSE AFTER THE TWO CHARACTERS ON THE NEXT LINE.
?>

The tricky part

  • Go to Administration ► Security ► HTTP security and set Use HTTPS for loginsloginhttps to true.
  • You need to have the previous setup ready or you may lock yourself out of the server.

 

Source: Reverse proxy frontend – MoodleDocs

Moodle – Reverse proxy frontend was last modified: March 25th, 2019 by Jovan Stosic

Oberto (opera)

Jovan Stosic March 24, 2019

Oberto, Conte di San Bonifacio is an opera in two acts by Giuseppe Verdi to an Italian libretto by Temistocle Solera, based on an existing libretto by Antonio Piazza probably called Rocester.

It was Verdi’s first opera, written over a period of four years, and was first performed at the Teatro alla Scala, Milan, on 17 November 1839. The La Scala production enjoyed “a fair success” and the theatre’s impresario, Bartolomeo Merelli, commissioned two further operas from the young composer.

https://en.wikipedia.org/wiki/Oberto_(opera)

Oberto (opera) was last modified: March 24th, 2019 by Jovan Stosic

Italian unification – Risorgimento

Jovan Stosic March 23, 2019

Italian unification (Italian: Unità d’Italia [uniˈta ddiˈtaːlja]), or the Risorgimento ([risordʒiˈmento], meaning “the Resurgence”), was the political and social movement that consolidated different states of the Italian peninsula into the single state of the Kingdom of Italy in the 19th century. The process began in 1815 with the Congress of Vienna and was completed in 1871 when Rome became the capital of the Kingdom of Italy.

The term, which also designates the cultural, political and social movement that promoted unification, recalls the romantic, nationalist and patriotic ideals of an Italian renaissance through the conquest of a unified political identity that, by sinking its ancient roots during the Roman period, “suffered an abrupt halt [or loss] of its political unity in 476 AD after the collapse of the Western Roman Empire“. However, some of the terre irredente did not join the Kingdom of Italy until 1918 after Italy defeated Austria–Hungaryin World War I. For this reason, sometimes the period is extended to include the late 19th-century and the First World War (1915–1918), until the 4 November 1918 Armistice of Villa Giusti, which is considered the completion of unification. This view is followed, for example, at the Central Museum of Risorgimento at the Vittoriano.

https://en.wikipedia.org/wiki/Italian_unification

Italian unification – Risorgimento was last modified: March 23rd, 2019 by Jovan Stosic

Arrigo Boito

Jovan Stosic March 23, 2019

Arrigo Boito (Italian: [arˈriːɡo ˈbɔito]; 24 February 1842 – 10 June 1918) (whose original name was Enrico Giuseppe Giovanni Boito and who wrote essays under the anagrammatic pseudonym of Tobia Gorrio), was an Italian poet, journalist, novelist, librettist and composer, best known today for his libretti, especially those for Giuseppe Verdi‘s operas Otello and Falstaff, and his own opera Mefistofele. Along with Emilio Praga, and his own brother Camillo Boito he is regarded as one of the prominent representatives of the Scapigliatura artistic movement

https://en.wikipedia.org/wiki/Arrigo_Boito

Arrigo Boito was last modified: March 23rd, 2019 by Jovan Stosic

Teresa Stolz

Jovan Stosic March 23, 2019

Teresa Stolz (born 2 June 1834, Elbekosteletz (Czech: Kostelec nad Labem), Bohemia – died 23 August 1902, Milan) was a Bohemian soprano, long resident in Italy, who was associated with significant premieres of the works of Giuseppe Verdi, and may have been his mistress. She has been described as “the Verdian dramatic soprano par excellence, powerful, passionate in utterance, but dignified in manner and secure in tone and control”.[

https://en.wikipedia.org/wiki/Teresa_Stolz

Teresa Stolz was last modified: March 23rd, 2019 by Jovan Stosic