{"id":1446,"date":"2017-06-20T21:07:24","date_gmt":"2017-06-20T15:37:24","guid":{"rendered":"https:\/\/tuxtrix.com\/?p=1446"},"modified":"2017-10-23T11:25:07","modified_gmt":"2017-10-23T05:55:07","slug":"fix-ubuntu-issues-vmware-using-live-cd","status":"publish","type":"post","link":"https:\/\/tuxtrix.com\/fix-ubuntu-issues-vmware-using-live-cd\/","title":{"rendered":"Fix Ubuntu issues in VMware using Live CD"},"content":{"rendered":"<p>If you&#8217;re running Ubuntu VMs in VMware, you may have come across situations where you need to address issues using a Linux\u00a0live CD\/DVD.<\/p>\n<p>Some of the scenarios you may have faced are:<\/p>\n<p>1. Ubuntu VM not booting due to grub issues<br \/>\n2. Ubuntu VM has automatically set grub password after upgrade<br \/>\n3. Ubuntu VM has LVM partition and needs fixing<br \/>\n4. You want to remove grub password<\/p>\n<p>If you \u00a0already have a Live CD\/DVD in VMware, skip to <strong>Section 2<\/strong><\/p>\n<h2>Section 1: Uploading Ubuntu ISO in vCenter datastore<\/h2>\n<h5>Pre-requisites:<\/h5>\n<p>&#8211; R\/W access to Vcenter web interface<br \/>\n&#8211; VMs should have internet connectivity<br \/>\n&#8211; Access to Windows VMs or ability to create one<\/p>\n<h4>Create a Windows VM<\/h4>\n<ul>\n<li>Since Vcenter web client integration plugin only works with Windows\/Mac, we will have to create a Windows VM<\/li>\n<li>Create a temporary Windows VM in the same region\/datacenter where you want the ISO file to upload (this enables much faster data transfer rates than uploading directly from your pc to datastore\u00a0)<\/li>\n<li>Install Firefox ESR, not the standard Firefox<\/li>\n<li>Install Flash<\/li>\n<li>Install VMware client integration plugin<\/li>\n<li>Restart Firefox<\/li>\n<li>Go to Ubuntu Website and Download the latest Ubuntu live CD\/DVD<\/li>\n<li>Login to VMware&#8217;s Vsphere Web Client<\/li>\n<li>Once you&#8217;re logged into Vcenter web client, go to <strong>Storage<\/strong> section from the Home screen.<\/li>\n<\/ul>\n<p><a href=\"https:\/\/tuxtrix.com\/wp-content\/uploads\/2017\/06\/Screenshot-2017-06-20-19.05.35.png\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-1447 aligncenter\" src=\"https:\/\/tuxtrix.com\/wp-content\/uploads\/2017\/06\/Screenshot-2017-06-20-19.05.35-300x62.png\" alt=\"\" width=\"300\" height=\"62\" srcset=\"https:\/\/tuxtrix.com\/wp-content\/uploads\/2017\/06\/Screenshot-2017-06-20-19.05.35-300x62.png 300w, https:\/\/tuxtrix.com\/wp-content\/uploads\/2017\/06\/Screenshot-2017-06-20-19.05.35.png 633w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<ul>\n<li>There must be atleast 2GB free space in the datastore<\/li>\n<li>Right click on the datastore and select <em>Browse Files<\/em><\/li>\n<li>Find a folder in VMware datastore to upload the ISO file.<\/li>\n<li>Click on the cylinder icon to upload the ISO file into the datastore<\/li>\n<li>Once you have successfully uploaded the ISO file, delete the temporary VM<\/li>\n<\/ul>\n<h2>Section 2: Boot into Live CD<\/h2>\n<ul>\n<li>Go to the VM in question. Click on Edit settings, and Go to CD\/DVD section<\/li>\n<li>Select the Ubuntu ISO file you uploaded previously from the correct datastore<\/li>\n<\/ul>\n<p><a href=\"https:\/\/tuxtrix.com\/wp-content\/uploads\/2017\/06\/Screenshot-2017-06-20-18.54.56.png\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-1449 aligncenter\" src=\"https:\/\/tuxtrix.com\/wp-content\/uploads\/2017\/06\/Screenshot-2017-06-20-18.54.56-300x37.png\" alt=\"\" width=\"300\" height=\"37\" srcset=\"https:\/\/tuxtrix.com\/wp-content\/uploads\/2017\/06\/Screenshot-2017-06-20-18.54.56-300x37.png 300w, https:\/\/tuxtrix.com\/wp-content\/uploads\/2017\/06\/Screenshot-2017-06-20-18.54.56.png 428w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<ul>\n<li>Set it to &#8220;Connect At Power ON&#8221;<\/li>\n<li>In the next tab, set the VM to force BIOS entry on boot.<a href=\"https:\/\/tuxtrix.com\/wp-content\/uploads\/2017\/06\/Screenshot-2017-06-20-18.52.51.png\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-1450 aligncenter\" src=\"https:\/\/tuxtrix.com\/wp-content\/uploads\/2017\/06\/Screenshot-2017-06-20-18.52.51-300x25.png\" alt=\"\" width=\"300\" height=\"25\" srcset=\"https:\/\/tuxtrix.com\/wp-content\/uploads\/2017\/06\/Screenshot-2017-06-20-18.52.51-300x25.png 300w, https:\/\/tuxtrix.com\/wp-content\/uploads\/2017\/06\/Screenshot-2017-06-20-18.52.51.png 559w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/li>\n<li>Once the VM is switched on, the BIOS will appear. Make necessary changes to boot from CD ROM fist and reboot<\/li>\n<li>This will make the VM boot from the ISO file<\/li>\n<li>Select &#8220;Try Ubuntu&#8221; on the next screen and then wait for the desktop to appear<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h2>Section 3: Fixing Ubuntu issues<\/h2>\n<ul>\n<li>Open Terminal and check the disk for partition<br \/>\n<code>$ sudo su -<br \/>\n# fdisk -l<\/code><\/li>\n<li>Make a note of the Ubuntu LVM disks . \/boot partition of a Linux VM using LVM always is mounted outside LVM. So, it will be usually \/dev\/sda1<br \/>\n<code># mount -o rw \/dev\/ubuntu-vg\/root \/mnt<\/code><\/li>\n<li>If \/var and \/usr are mounted separately in LVM, you should also mount them. Else the grub recovery will not work<br \/>\n<code># mount -o rw \/dev\/ubuntu-vg\/var \/mnt\/var<br \/>\n# mount -o rw \/dev\/ubuntu-vg\/usr \/mnt\/usr<br \/>\n# mount -o rw \/dev\/sda1 \/mnt\/boot<br \/>\n# mount -o bind \/proc \/mnt\/proc<br \/>\n# mount -o bind \/sys \/mnt\/sys<br \/>\n# mount -o bind \/dev \/mnt\/dev<\/code><\/li>\n<li>Copy the grub file from the live CD\/DVD to the disk<br \/>\n<code># cp \/etc\/default\/grub \/mnt\/etc\/default\/<\/code><\/li>\n<li>Now, chroot into the \/mnt<br \/>\n<code># chroot \/mnt<\/code><\/li>\n<li>Start lvmetad<br \/>\n<code># \/etc\/init.d\/lvm2-lvmetad start<\/code><\/li>\n<\/ul>\n<h4>Fix\/Remove GRUB Password<\/h4>\n<p>In Ubuntu 16.04, go to \/etc\/grub.d\/10_linux and go to line 132, add the word &#8211;unrestricted before ${CLASS}.<\/p>\n<h5>Before<\/h5>\n<p><code>echo \"menuentry '$(echo \"$os\" | grub_quote)' ${CLASS} \\$menuentry_id_option 'gnulinux-simple-$boot_device_id' {\" | sed \"s\/^\/$submenu_indentation\/\"<\/code><\/p>\n<h5>After<\/h5>\n<p><code>echo \"menuentry '$(echo \"$os\" | grub_quote)' --unrestricted ${CLASS} \\$menuentry_id_option 'gnulinux-simple-$boot_device_id' {\" | sed \"s\/^\/$submenu_indentation\/\"<\/code><\/p>\n<p>Then, update GRUB<br \/>\n<code># update-grub<\/code><\/p>\n<h4>Repair\/Recover GRUB steps<\/h4>\n<ul>\n<li>Check which grub package is installed in the VM. There are multiple grub packages so check for the correct one.<br \/>\n<code># dpkg -l grub*<\/code><\/li>\n<li>The listing with ii beside it and the file name means the file is installed. So, reinstall that file. In my case it was grub-pc .<br \/>\n<code># apt-get install --reinstall grub-pc<\/code><br \/>\n<code># grub-install \/dev\/sda<br \/>\nInstalling for i386-pc platform.<br \/>\nInstallation finished. No error reported.<\/code><\/li>\n<li>Create GRUB2 menu with grub-mkconfig<br \/>\n<code># grub-mkconfig -o \/boot\/grub\/grub.cfg<\/code><\/li>\n<\/ul>\n<p style=\"padding-left: 30px;\"><code>Generating grub configuration file ...<br \/>\nFound linux image: \/boot\/vmlinuz-4.4.0-42-generic<br \/>\nFound initrd image: \/boot\/initrd.img-4.4.0-42-generic<\/code><\/p>\n<ul>\n<li>Once done, \u00a0unmount all the paths which were mounted<br \/>\n<code># exit<br \/>\n# umount \/mnt\/proc \/mnt\/sys \/mnt\/var \/mnt\/usr<br \/>\n# umount \/mnt\/dev<br \/>\n# umount \/mnt<\/code><\/li>\n<li>Power off the VM using <code>init 0<\/code> command<\/li>\n<li>Uncheck the option to connect CD\/DVD at Power On<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-1451 aligncenter\" src=\"https:\/\/tuxtrix.com\/wp-content\/uploads\/2017\/06\/Screenshot-2017-06-20-18.52.27-300x25.png\" alt=\"\" width=\"300\" height=\"25\" srcset=\"https:\/\/tuxtrix.com\/wp-content\/uploads\/2017\/06\/Screenshot-2017-06-20-18.52.27-300x25.png 300w, https:\/\/tuxtrix.com\/wp-content\/uploads\/2017\/06\/Screenshot-2017-06-20-18.52.27.png 482w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/p>\n<ul>\n<li>Then Power On the VM. You should have your Ubuntu VM back<\/li>\n<\/ul>\n<p><a href=\"https:\/\/askubuntu.com\/questions\/879013\/avoid-grub2-password-protect-on-every-boot\" target=\"_blank\" rel=\"noopener\">Source<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>If you&#8217;re running Ubuntu VMs in VMware, you may have come across situations where you need to address issues using a Linux\u00a0live CD\/DVD. Some of the scenarios you may have faced are: 1. Ubuntu VM not booting due to grub issues 2. Ubuntu VM has automatically set grub password after upgrade 3. Ubuntu VM has [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":1455,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","enabled":false}}},"categories":[516,561],"tags":[568,6,217],"jetpack_publicize_connections":[],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"https:\/\/tuxtrix.com\/wp-content\/uploads\/2017\/06\/SA55.png","uagb_featured_image_src":{"full":["https:\/\/tuxtrix.com\/wp-content\/uploads\/2017\/06\/SA55.png",930,468,false],"thumbnail":["https:\/\/tuxtrix.com\/wp-content\/uploads\/2017\/06\/SA55-150x150.png",150,150,true],"medium":["https:\/\/tuxtrix.com\/wp-content\/uploads\/2017\/06\/SA55-300x151.png",300,151,true],"medium_large":["https:\/\/tuxtrix.com\/wp-content\/uploads\/2017\/06\/SA55-768x386.png",768,386,true],"large":["https:\/\/tuxtrix.com\/wp-content\/uploads\/2017\/06\/SA55.png",930,468,false],"1536x1536":["https:\/\/tuxtrix.com\/wp-content\/uploads\/2017\/06\/SA55.png",930,468,false],"2048x2048":["https:\/\/tuxtrix.com\/wp-content\/uploads\/2017\/06\/SA55.png",930,468,false],"popular_posts_img":["https:\/\/tuxtrix.com\/wp-content\/uploads\/2017\/06\/SA55-600x360.png",600,360,true]},"uagb_author_info":{"display_name":"Sayantan Das","author_link":"https:\/\/tuxtrix.com\/author\/sayantan\/"},"uagb_comment_info":0,"uagb_excerpt":"If you&#8217;re running Ubuntu VMs in VMware, you may have come across situations where you need to address issues using a Linux\u00a0live CD\/DVD. Some of the scenarios you may have faced are: 1. Ubuntu VM not booting due to grub issues 2. Ubuntu VM has automatically set grub password after upgrade 3. Ubuntu VM has&hellip;","_links":{"self":[{"href":"https:\/\/tuxtrix.com\/wp-json\/wp\/v2\/posts\/1446"}],"collection":[{"href":"https:\/\/tuxtrix.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tuxtrix.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tuxtrix.com\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/tuxtrix.com\/wp-json\/wp\/v2\/comments?post=1446"}],"version-history":[{"count":7,"href":"https:\/\/tuxtrix.com\/wp-json\/wp\/v2\/posts\/1446\/revisions"}],"predecessor-version":[{"id":1461,"href":"https:\/\/tuxtrix.com\/wp-json\/wp\/v2\/posts\/1446\/revisions\/1461"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/tuxtrix.com\/wp-json\/wp\/v2\/media\/1455"}],"wp:attachment":[{"href":"https:\/\/tuxtrix.com\/wp-json\/wp\/v2\/media?parent=1446"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tuxtrix.com\/wp-json\/wp\/v2\/categories?post=1446"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tuxtrix.com\/wp-json\/wp\/v2\/tags?post=1446"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}