{"id":118,"date":"2020-01-08T09:15:56","date_gmt":"2020-01-08T08:15:56","guid":{"rendered":"http:\/\/blog.mhasin.eu\/?p=118"},"modified":"2020-01-12T11:55:47","modified_gmt":"2020-01-12T10:55:47","slug":"centos-vra-template","status":"publish","type":"post","link":"https:\/\/blog.mhasin.eu\/?p=118","title":{"rendered":"CENTOS 7 VRA template"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Update syst\u00e9mu<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>yum update<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Zobrazenie kernel<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code># rpm -q kernel\nkernel-3.10.0-327.36.3.el7.x86_64\nkernel-3.10.0-514.2.2.el7.x86_64\nkernel-3.10.0-693.5.2.el7.x86_64\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Odstr\u00e1nenie kernelov<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>yum remove kernel-3.10.0-327.36.3.el7.x86_64 kernel-3.10.0-514.2.2.el7.x86_64\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Automatick\u00e9 mazanie potrebne nain\u0161talova\u0165 bal\u00edk yum-utils:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>package-cleanup --oldkernels --count=1\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Zmazanie SSH klucov<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>rm -f \/etc\/ssh\/ssh_host_*<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">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 [ ! -f \/etc\/ssh\/ssh_host_rsa_key ]; then\n    $SSHKEYGEN -q -t rsa  -f \/etc\/ssh\/ssh_host_rsa_key -N \"\" \\\n        -C \"\" < \/dev\/null > \/dev\/null 2> \/dev\/null\n    echo \"Created \/etc\/ssh_host_rsa_key\"\nfi\n\nif [ ! -f \/etc\/ssh\/ssh_host_dsa_key ]; then\n    $SSHKEYGEN -q -t dsa  -f \/etc\/ssh\/ssh_host_dsa_key -N \"\" \\\n        -C \"\" < \/dev\/null > \/dev\/null 2> \/dev\/null\n    echo \"Created \/etc\/ssh_host_dsa_key\"\nfi\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">In\u0161tal\u00e1cia NTP serveru<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>yum install ntp\nsystemctl enable ntpd\n<\/code><\/pre>\n\n\n\n<pre class=\"wp-block-code\"><code>nano \/etc\/ntp.conf\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">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>server ntp.tuke.sk prefer iburst\n<\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"623\" height=\"127\" src=\"http:\/\/blog.mhasin.eu\/wp-content\/uploads\/2020\/01\/10-1.jpg\" alt=\"\" class=\"wp-image-119\" srcset=\"https:\/\/blog.mhasin.eu\/wp-content\/uploads\/2020\/01\/10-1.jpg 623w, https:\/\/blog.mhasin.eu\/wp-content\/uploads\/2020\/01\/10-1-300x61.jpg 300w\" sizes=\"auto, (max-width: 623px) 100vw, 623px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Overenie funk\u010dnosti NTP klienta:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>ntpq -p<\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"644\" height=\"73\" src=\"http:\/\/blog.mhasin.eu\/wp-content\/uploads\/2020\/01\/11.jpg\" alt=\"\" class=\"wp-image-120\" srcset=\"https:\/\/blog.mhasin.eu\/wp-content\/uploads\/2020\/01\/11.jpg 644w, https:\/\/blog.mhasin.eu\/wp-content\/uploads\/2020\/01\/11-300x34.jpg 300w\" sizes=\"auto, (max-width: 644px) 100vw, 644px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Vo v\u00fdpise sa mus\u00ed zobrazova\u0165 nami zvolen\u00fd NTP server.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Odstr\u00e1nenie YUM cache<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">yum clean all<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">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 >\/dev\/null\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">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 class=\"wp-block-paragraph\">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 class=\"wp-block-paragraph\"><strong>Krok 1:<\/strong> Odstr\u00e1nenie nepou\u017e\u00edvan\u00fdch   perif\u00e9rii ako s\u00fa CD mechanika, USB\u2026<\/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 class=\"wp-block-paragraph\"><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 class=\"wp-block-paragraph\"><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, 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NTP serveru Je potrebn\u00e9 prida\u0165 parameter ur\u010duj\u00faci n\u00e1\u0161 NTP server do konfigura\u010dn\u00e9ho s\u00faboru. Overenie funk\u010dnosti NTP klienta: Vo v\u00fdpise sa mus\u00ed zobrazova\u0165 nami zvolen\u00fd NTP server. Odstr\u00e1nenie YUM cache yum clean all Odstr\u00e1nenie maschine-id opera\u010dn\u00e9ho syst\u00e9mu Zru\u0161enie SWAP oddielu Fin\u00e1lne vymazanie hist\u00f3rie termin\u00e1lu a vypnutie opera\u010dn\u00e9ho syst\u00e9mu \u00daprava nastavenie vo vSphere Krok 1:&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-118","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\/118","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=118"}],"version-history":[{"count":6,"href":"https:\/\/blog.mhasin.eu\/index.php?rest_route=\/wp\/v2\/posts\/118\/revisions"}],"predecessor-version":[{"id":234,"href":"https:\/\/blog.mhasin.eu\/index.php?rest_route=\/wp\/v2\/posts\/118\/revisions\/234"}],"wp:attachment":[{"href":"https:\/\/blog.mhasin.eu\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=118"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.mhasin.eu\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=118"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.mhasin.eu\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=118"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}