{"id":943,"date":"2014-10-22T13:12:44","date_gmt":"2014-10-22T16:12:44","guid":{"rendered":"http:\/\/www.dbarj.com.br\/?p=943"},"modified":"2014-10-23T11:08:38","modified_gmt":"2014-10-23T14:08:38","slug":"ocm-11g-preparation-prepare-environment","status":"publish","type":"post","link":"https:\/\/www.dbarj.com.br\/en\/2014\/10\/ocm-11g-preparation-prepare-environment\/","title":{"rendered":"OCM 11g Preparation &#8211; Prepare your Environment"},"content":{"rendered":"<p>As we have many situations to deal with in the topics, my recommendation is creating 6 VMs using Virtualbox:<\/p>\n<ol>\n<li><strong>Oracle Single Instance<\/strong><\/li>\n<li><strong>Oracle Enterprise Manager<\/strong><\/li>\n<li><strong>Oracle RAC Node 1<\/strong><\/li>\n<li><strong>Oracle RAC Node 2<\/strong><\/li>\n<li><strong>Oracle DG RAC Node 1<\/strong><\/li>\n<li><strong>Oracle DG RAC Node 2<\/strong><\/li>\n<\/ol>\n<p>I won&#8217;t show\u00a0here how to create an VirtualBox and install Oracle Linux software, as you can find about 533,000 results in 0.34 seconds using Google. The tutorial that I used is a very good one explained by &#8220;<strong>masterschema<\/strong>&#8221; in his <a href=\"https:\/\/www.youtube.com\/watch?v=DAwX6EHihUw&amp;list=UU1lELFtlBegIJUpoWEKvkzQ\" target=\"_blank\">youtube page<\/a>.<\/p>\n<p>Try to create VM&#8217;s with <strong>2GBs RAM memory only<\/strong>. It&#8217;s seems too little but is enough for the scenarios:<\/p>\n<ul>\n<li>Memory utilization of Oracle Linux 5.4 running w\/o Grid or Oracle softwares &#8211; <strong><span style=\"color: #ff0000;\">Total 157 MBs.<\/span><\/strong><\/li>\n<li>Memory utilization of Oracle Linux 5.4 running w\/ Grid but without any instance &#8211; <strong><span style=\"color: #ff0000;\">Total 750 MBs.<\/span><\/strong><\/li>\n<li>Memory utilization of Oracle Linux 5.4 running w\/ Grid and one 500 MBs memory_target instance\u00a0&#8211; <span style=\"color: #ff0000;\"><strong>Total 1300 MBs.<\/strong><\/span><\/li>\n<\/ul>\n<p>So I still have more than 700 MBs free!<\/p>\n<p>Unpack the portable Mozilla 1.6 zip and keep this browser always ready for your studies only:<\/p>\n<p><a href=\"http:\/\/www.dbarj.com.br\/wp-content\/uploads\/2014\/10\/Mozilla-1.6.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-951 size-full\" src=\"http:\/\/www.dbarj.com.br\/wp-content\/uploads\/2014\/10\/Mozilla-1.6.png\" alt=\"Mozilla 1.6\" width=\"1015\" height=\"617\" srcset=\"https:\/\/www.dbarj.com.br\/wp-content\/uploads\/2014\/10\/Mozilla-1.6.png 1015w, https:\/\/www.dbarj.com.br\/wp-content\/uploads\/2014\/10\/Mozilla-1.6-300x182.png 300w\" sizes=\"auto, (max-width: 1015px) 100vw, 1015px\" \/><\/a><\/p>\n<p>To avoid internet connection on this browser (for security reasons as this is a so outdated version and also because you won&#8217;t have on the exam day), define a proxy like 1.1.1.1 on port 80 to all HTTP requests.<\/p>\n<p>Remember, the official Oracle Doc is the only material that you will have on the exam day,\u00a0so being fast and getting as soon as possible to the item in the DOC is a necessity.<\/p>\n<br>\r\nClick here to go back to the <a title=\"OCM 11g Preparation\" href=\"\/?page_id=923\">Main OCM 11g Preparation<\/a> page.\r\n<br><br>\r\nHave you enjoyed? Please leave a comment or give a \ud83d\udc4d!\n<div class='watch-action'><div class='watch-position align-left'><div class='action-like'><a class='lbg-style2 like-943 jlk' href='javascript:void(0)' data-task='like' data-post_id='943' data-nonce='de4404f630' rel='nofollow'><img class='wti-pixel' src='https:\/\/www.dbarj.com.br\/wp-content\/plugins\/wti-like-post\/images\/pixel.gif' title='Like' \/><span class='lc-943 lc'>+5<\/span><\/a><\/div><\/div> <div class='status-943 status align-left'><\/div><\/div><div class='wti-clear'><\/div>","protected":false},"excerpt":{"rendered":"<p>As we have many situations to deal with in the topics, my recommendation is creating 6 VMs using Virtualbox: Oracle Single Instance Oracle Enterprise Manager Oracle RAC Node 1 Oracle RAC Node 2 Oracle DG RAC Node 1 Oracle DG RAC Node 2 I won&#8217;t show\u00a0here how to create an VirtualBox and install Oracle Linux &hellip; <\/p>\n<p><a class=\"more-link btn\" href=\"https:\/\/www.dbarj.com.br\/en\/2014\/10\/ocm-11g-preparation-prepare-environment\/\">Continue reading<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[27],"tags":[],"class_list":["post-943","post","type-post","status-publish","format-standard","hentry","category-ocm11g-en","item-wrap"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - 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