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Warning: Declaration of syntax_plugin_tablecalc::handle($match, $state, $pos, &$handler) should be compatible with DokuWiki_Syntax_Plugin::handle($match, $state, $pos, Doku_Handler $handler) in /home/users/p/prom-auto/domains/prom-auto.ru/wiki/lib/plugins/tablecalc/syntax.php on line 41

Warning: Declaration of syntax_plugin_tablecalc::render($mode, &$renderer, $data) should be compatible with DokuWiki_Syntax_Plugin::render($format, Doku_Renderer $renderer, $data) in /home/users/p/prom-auto/domains/prom-auto.ru/wiki/lib/plugins/tablecalc/syntax.php on line 72

Warning: Declaration of syntax_plugin_offline::handle($match, $state, $pos, &$handler) should be compatible with DokuWiki_Syntax_Plugin::handle($match, $state, $pos, Doku_Handler $handler) in /home/users/p/prom-auto/domains/prom-auto.ru/wiki/lib/plugins/offline/syntax.php on line 60

Warning: Declaration of syntax_plugin_offline::render($format, &$renderer, $data) should be compatible with DokuWiki_Syntax_Plugin::render($format, Doku_Renderer $renderer, $data) in /home/users/p/prom-auto/domains/prom-auto.ru/wiki/lib/plugins/offline/syntax.php on line 67

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A PCRE internal error occured. This might be caused by a faulty plugin

====== How to setup VirtualBox on Ubuntu ====== Consider that 192.168.1.1 is a host, and "denis" is a user on the host side. 1. Installing server sudo apt-get install ssh 2. Setting up server sudo gedit /etc/ssh/sshd_config --- Port 2011 PermitRootLogin no AuthorizedKeysFile %h/.ssh/authorized_keys --- sudo service ssh restart 3. Setting up client ssh-keygen -t dsa (empty answer for every question) ssh-copy-id "denis@192.168.1.4 -p 2011" 4. Close server access for user without dsa-authorization: sudo gedit /etc/ssh/sshd_config --- PasswordAuthentication no --- sudo service ssh restart