{"id":159,"date":"2020-01-10T20:59:09","date_gmt":"2020-01-10T19:59:09","guid":{"rendered":"http:\/\/blog.mhasin.eu\/?p=159"},"modified":"2020-12-21T13:47:17","modified_gmt":"2020-12-21T12:47:17","slug":"centos-8-vra-template","status":"publish","type":"post","link":"https:\/\/blog.mhasin.eu\/?p=159","title":{"rendered":"CENTOS 8 VRA template"},"content":{"rendered":"\n<p>Instalacia systemu je potrebne pri verzii server zaskrtnut<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"801\" height=\"660\" src=\"https:\/\/blog.mhasin.eu\/wp-content\/uploads\/2020\/01\/1-3.png\" alt=\"\" class=\"wp-image-303\" srcset=\"https:\/\/blog.mhasin.eu\/wp-content\/uploads\/2020\/01\/1-3.png 801w, https:\/\/blog.mhasin.eu\/wp-content\/uploads\/2020\/01\/1-3-300x247.png 300w, https:\/\/blog.mhasin.eu\/wp-content\/uploads\/2020\/01\/1-3-768x633.png 768w\" sizes=\"auto, (max-width: 801px) 100vw, 801px\" \/><\/figure>\n\n\n\n<p>Update syst\u00e9mu<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>yum update<\/code><\/pre>\n\n\n\n<p>Zobrazenie kernel<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;root@localhost ~]#  rpm -q kernel\nkernel-4.18.0-80.el8.x86_64\nkernel-4.18.0-80.11.2.el8_0.x86_64<\/code><\/pre>\n\n\n\n<p>Zistenie aktu\u00e1lne spusten\u00e9ho kernelu:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;root@localhost ~]# uname -a\nLinux localhost.localdomain 4.18.0-80.11.2.el8_0.x86_64 #1 SMP Tue Sep 24 11:32:19 UTC 2019 x86_64 x86_64 x86_64 GNU\/Linux\n<\/code><\/pre>\n\n\n\n<p>Odstr\u00e1nenie kernelov<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>yum remove kernel-4.18.0-80.el8.x86_64\n<\/code><\/pre>\n\n\n\n<p>Automatick\u00e9 odstr\u00e1nenie star\u00fdch a duplicitn\u00fdch bal\u00edkov potrebne nain\u0161talova\u0165 bal\u00edk yum-utils:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>package-cleanup --cleandupes\n<\/code><\/pre>\n\n\n\n<p>Zmazanie SSH k\u013e\u00fa\u010dov<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>rm -f \/etc\/ssh\/ssh_host_*<\/code><\/pre>\n\n\n<p>\n<!--StartFragment--><\/p>\n\n\n<p>Pridanie rc.local automatick\u00e9 generovanie ssh k\u013e\u00fa\u010dov<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>SSHKEYGEN=\/usr\/bin\/ssh-keygen\n\nif &#91; ! -f \/etc\/ssh\/ssh_host_rsa_key ]; then\n    $SSHKEYGEN -q -t rsa  -f \/etc\/ssh\/ssh_host_rsa_key -N \"\" \\\n        -C \"\" &lt; \/dev\/null &gt; \/dev\/null 2&gt; \/dev\/null\n    echo \"Created \/etc\/ssh_host_rsa_key\"\nfi\n\nif &#91; ! -f \/etc\/ssh\/ssh_host_dsa_key ]; then\n    $SSHKEYGEN -q -t dsa  -f \/etc\/ssh\/ssh_host_dsa_key -N \"\" \\\n        -C \"\" &lt; \/dev\/null &gt; \/dev\/null 2&gt; \/dev\/null\n    echo \"Created \/etc\/ssh_host_dsa_key\"\nfi\n<\/code><\/pre>\n\n\n<p><!--EndFragment--><\/p>\n\n\n<p>In\u0161tal\u00e1cia balikov a odstranenie cloud-init<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\nyum install -y perl\nsystemctl disable firewalld\nsystemctl disable cloud-init<\/code><\/pre>\n\n\n<p>\n<!--StartFragment--><\/p>\n\n\n<p>Povolenie overovania SSH pomocou hesla:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/etc\/ssh\/sshd_config<\/code><\/pre>\n\n\n\n<p>Nastavi\u0165 parameter  <\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>PerminRootLogin yes\n<\/code><\/pre>\n\n\n<p><!--EndFragment--><\/p>\n\n\n<p>Nastavenie NTP serveru pomocou chrony<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>nano \/etc\/chrony.conf\n<\/code><\/pre>\n\n\n\n<p>Je potrebn\u00e9 prida\u0165 parameter ur\u010duj\u00faci n\u00e1\u0161 NTP server do konfigura\u010dn\u00e9ho s\u00faboru.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>pool ntp.tuke.sk iburst\n<\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"618\" height=\"85\" src=\"http:\/\/blog.mhasin.eu\/wp-content\/uploads\/2020\/01\/1-1.png\" alt=\"\" class=\"wp-image-164\" srcset=\"https:\/\/blog.mhasin.eu\/wp-content\/uploads\/2020\/01\/1-1.png 618w, https:\/\/blog.mhasin.eu\/wp-content\/uploads\/2020\/01\/1-1-300x41.png 300w\" sizes=\"auto, (max-width: 618px) 100vw, 618px\" \/><\/figure>\n\n\n\n<p>Nastavenie timezone:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code> timedatectl set-timezone  Europe\/Bratislava<\/code><\/pre>\n\n\n\n<p>Overenie funk\u010dnosti NTP klienta:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>chronyc sources <\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"689\" height=\"100\" src=\"http:\/\/blog.mhasin.eu\/wp-content\/uploads\/2020\/01\/2-1.png\" alt=\"\" class=\"wp-image-165\" srcset=\"https:\/\/blog.mhasin.eu\/wp-content\/uploads\/2020\/01\/2-1.png 689w, https:\/\/blog.mhasin.eu\/wp-content\/uploads\/2020\/01\/2-1-300x44.png 300w\" sizes=\"auto, (max-width: 689px) 100vw, 689px\" \/><\/figure>\n\n\n\n<p>Vo v\u00fdpise sa mus\u00ed zobrazova\u0165 nami zvolen\u00fd NTP server.<\/p>\n\n\n\n<p>Odstr\u00e1nenie YUM cache<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>yum clean all<\/code><\/pre>\n\n\n\n<p>Odstr\u00e1nenie maschine-id opera\u010dn\u00e9ho syst\u00e9mu<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>echo \"\" | sudo tee \/etc\/machine-id &gt;\/dev\/null\n<\/code><\/pre>\n\n\n\n<p>Zru\u0161enie SWAP oddielu<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>sudo swapoff --all\nsudo sed -ri '\/\\sswap\\s\/s\/^#?\/#\/' \/etc\/fstab\n<\/code><\/pre>\n\n\n\n<p>Fin\u00e1lne vymazanie hist\u00f3rie termin\u00e1lu a vypnutie opera\u010dn\u00e9ho syst\u00e9mu<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>history -c\nhistory -w\nsudo shutdown -h now\n<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">\u00daprava nastavenie vo vSphere<\/h2>\n\n\n\n<p><strong>Krok 1:<\/strong> Odstr\u00e1nenie nepou\u017e\u00edvan\u00fdch   perif\u00e9rii ako s\u00fa CD mechanika, USB&#8230;<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"756\" src=\"http:\/\/blog.mhasin.eu\/wp-content\/uploads\/2019\/12\/obr\u00e1zok-1024x756.png\" alt=\"\" class=\"wp-image-29\" srcset=\"https:\/\/blog.mhasin.eu\/wp-content\/uploads\/2019\/12\/obr\u00e1zok-1024x756.png 1024w, https:\/\/blog.mhasin.eu\/wp-content\/uploads\/2019\/12\/obr\u00e1zok-300x221.png 300w, https:\/\/blog.mhasin.eu\/wp-content\/uploads\/2019\/12\/obr\u00e1zok-768x567.png 768w, https:\/\/blog.mhasin.eu\/wp-content\/uploads\/2019\/12\/obr\u00e1zok.png 1259w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p><strong>Krok 2:<\/strong> Vypnutie vytv\u00e1rania  vmware.log  s\u00faboru pre dan\u00fa \u0161abl\u00f3nu<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"859\" src=\"http:\/\/blog.mhasin.eu\/wp-content\/uploads\/2019\/12\/obr\u00e1zok-1-1024x859.png\" alt=\"\" class=\"wp-image-30\" srcset=\"https:\/\/blog.mhasin.eu\/wp-content\/uploads\/2019\/12\/obr\u00e1zok-1-1024x859.png 1024w, https:\/\/blog.mhasin.eu\/wp-content\/uploads\/2019\/12\/obr\u00e1zok-1-300x252.png 300w, https:\/\/blog.mhasin.eu\/wp-content\/uploads\/2019\/12\/obr\u00e1zok-1-768x644.png 768w, https:\/\/blog.mhasin.eu\/wp-content\/uploads\/2019\/12\/obr\u00e1zok-1.png 1276w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p><strong>Krok 3:<\/strong> Pre vypnutie vswap je potrebn\u00e9 zada\u0165 parameter:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>sched.swap.vmxSwapEnabled   false<\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"868\" src=\"http:\/\/blog.mhasin.eu\/wp-content\/uploads\/2019\/12\/obr\u00e1zok-2-1024x868.png\" alt=\"\" class=\"wp-image-31\" srcset=\"https:\/\/blog.mhasin.eu\/wp-content\/uploads\/2019\/12\/obr\u00e1zok-2-1024x868.png 1024w, https:\/\/blog.mhasin.eu\/wp-content\/uploads\/2019\/12\/obr\u00e1zok-2-300x254.png 300w, https:\/\/blog.mhasin.eu\/wp-content\/uploads\/2019\/12\/obr\u00e1zok-2-768x651.png 768w, https:\/\/blog.mhasin.eu\/wp-content\/uploads\/2019\/12\/obr\u00e1zok-2.png 1279w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<div class=\"pdf24Plugin-cp\"> \t<form name=\"pdf24Form0\" method=\"post\" action=\"https:\/\/doc2pdf.pdf24.org\/wordpress.php\" target=\"pdf24PopWin\" onsubmit=\"var pdf24Win = window.open('about:blank', 'pdf24PopWin', 'resizable=yes,scrollbars=yes,width=600,height=250,left='+(screen.width\/2-300)+',top='+(screen.height\/3-125)+''); pdf24Win.focus(); if(typeof pdf24OnCreatePDF === 'function'){void(pdf24OnCreatePDF(this,pdf24Win));}\"> \t\t<input type=\"hidden\" name=\"blogCharset\" value=\"Cw1x07UAAA==\" \/><input type=\"hidden\" name=\"blogPosts\" value=\"MwQA\" \/><input type=\"hidden\" name=\"blogUrl\" value=\"yygpKSi20tdPyslP18vNSCzOzNNLLQUA\" \/><input type=\"hidden\" name=\"blogName\" value=\"c\/LxdwcA\" \/><input type=\"hidden\" name=\"blogValueEncoding\" value=\"gzdeflate base64\" \/><input type=\"hidden\" name=\"postId_0\" value=\"MzS1BAA=\" \/><input type=\"hidden\" name=\"postTitle_0\" value=\"c3b1C\/EPVrBQCAtyVChJzS3ISSxJBQA=\" \/><input type=\"hidden\" name=\"postLink_0\" value=\"yygpKSi20tdPyslP18vNSCzOzNNLLdW3L7A1NLUEAA==\" \/><input type=\"hidden\" name=\"postAuthor_0\" value=\"y00syfcwNAIA\" \/><input type=\"hidden\" name=\"postDateTime_0\" value=\"MzIwMtA1MNQ1NFAwMrAyMLQysAQA\" \/><input type=\"hidden\" name=\"postContent_0\" value=\"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\" \/> \t\t<a href=\"https:\/\/www.pdf24.org\" target=\"_blank\" title=\"www.pdf24.org\" rel=\"nofollow\"><img src=\"https:\/\/blog.mhasin.eu\/wp-content\/plugins\/pdf24-post-to-pdf\/img\/pdf_32x32.png\" alt=\"\" border=\"0\" height=\"32\" \/><\/a> \t\t<span class=\"pdf24Plugin-cp-space\">&nbsp;&nbsp;<\/span> \t\t<span class=\"pdf24Plugin-cp-text\">Send article as PDF<\/span> \t\t<span class=\"pdf24Plugin-cp-space\">&nbsp;&nbsp;<\/span> \t\t<input class=\"pdf24Plugin-cp-input\" style=\"margin: 0px;\" type=\"text\" name=\"sendEmailTo\" placeholder=\"Enter email address\" \/> \t\t<input class=\"pdf24Plugin-cp-submit\" style=\"margin: 0px;\" type=\"submit\" value=\"Send\" \/> \t<\/form> <\/div>","protected":false},"excerpt":{"rendered":"Instalacia systemu je potrebne pri verzii server zaskrtnut Update syst\u00e9mu Zobrazenie kernel Zistenie aktu\u00e1lne spusten\u00e9ho kernelu: Odstr\u00e1nenie kernelov Automatick\u00e9 odstr\u00e1nenie star\u00fdch a duplicitn\u00fdch bal\u00edkov potrebne nain\u0161talova\u0165 bal\u00edk yum-utils: Zmazanie SSH k\u013e\u00fa\u010dov Pridanie rc.local automatick\u00e9 generovanie ssh k\u013e\u00fa\u010dov In\u0161tal\u00e1cia balikov a odstranenie cloud-init Povolenie overovania SSH pomocou hesla: Nastavi\u0165 parameter Nastavenie NTP serveru pomocou chrony Je potrebn\u00e9 prida\u0165 parameter ur\u010duj\u00faci n\u00e1\u0161 NTP server do konfigura\u010dn\u00e9ho s\u00faboru. Nastavenie timezone: Overenie funk\u010dnosti NTP klienta: Vo v\u00fdpise sa mus\u00ed&hellip;\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"arc_restricted_post":false,"footnotes":""},"categories":[4,2],"tags":[],"class_list":["post-159","post","type-post","status-publish","format-standard","hentry","category-linux","category-vmware"],"_links":{"self":[{"href":"https:\/\/blog.mhasin.eu\/index.php?rest_route=\/wp\/v2\/posts\/159","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.mhasin.eu\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.mhasin.eu\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.mhasin.eu\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.mhasin.eu\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=159"}],"version-history":[{"count":16,"href":"https:\/\/blog.mhasin.eu\/index.php?rest_route=\/wp\/v2\/posts\/159\/revisions"}],"predecessor-version":[{"id":1814,"href":"https:\/\/blog.mhasin.eu\/index.php?rest_route=\/wp\/v2\/posts\/159\/revisions\/1814"}],"wp:attachment":[{"href":"https:\/\/blog.mhasin.eu\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=159"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.mhasin.eu\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=159"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.mhasin.eu\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=159"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}