'Drop to root shell prompt' gives you a command line root environment from where you can access your files as root (no sudo required). This will lead to the Grub2 recovery menu:

This will bring up the Grub2 boot menu from where we can select 'recovery mode' (usually the second boot entry). for 12.04.0 LTS or earlierĭuring boot, press and hold Shift (for BIOS) or ESC (for UEFI). In case we don't have access to a network, or this was not desired, we can remount our filesystem(s) giving write access with the following command: mount -o rw,remount /įrom the root shell type exit to go back to the menu. If we had not enabled read/write access with 'Enable networking' the filesystem will be mounted read only, and we are unable to edit files. This also means we have full access to all files, and we may cause irreversible damage to our system if we made a mistake. Hence no sudo is needed for administrative tasks. By selecting 'Enable networking' we gain access to our network and the internet for upgrades or downloads, and we will also mount our hard drives in read/write mode in case we need to edit files.Īfter the network has loaded, and fielsystems were mounted we will be presented again with the menu, from where we can choose 'Drop to a root shell prompt':

This will lead us to the advanced options. This will bring up the Grub2 menu from where we can select 'Advanced options for Ubuntu'.Īfter that we will be able to select the kernel we wish to boot in 'Recovery mode': YouTube sets this cookie to store the video preferences of the user using embedded YouTube video.During boot, press and hold Shift (for BIOS) or ESC (for UEFI). YSC cookie is set by Youtube and is used to track the views of embedded videos on Youtube pages.

Quantserve (Quantcast) sets the mc cookie to anonymously track user behavior on the website.Ī cookie set by YouTube to measure bandwidth that determines whether the user gets the new or old player interface. This is a 'CookieConsent' cookie set by Google AdSense on the user's device to store consent data to remember if they accepted or rejected the consent banner.Ĭriteo sets this cookie to provide functions across pages. Google AdSense sets the _gads cookie to provide ad delivery or retargeting. These cookies track visitors across websites and collect information to provide customized ads. Advertisement cookies are used to provide visitors with relevant ads and marketing campaigns.

Ubuntu 20.04 virtualbox guest additions