![]() ![]() IPad 3, iPad 4, iPad Air, iPad iPad, iPad Mini 2, iPad Mini 3, iPad Mini 4, 9.7" iPad Pro: 2048x1536, 1536x2048 IPhone 12 Pro Max, iPhone 13 Pro Max, iPhone 14 Plus: 1284x2778 IPhone Xs Max, iPhone 11 Pro Max: 1242x2688 IPhone X, iPhone Xs, iPhone 11 Pro: 1125x2436 IPhone 6 plus, iPhone 6s plus, iPhone 7 plus, iPhone 8 plus: 1242x2208 IPhone 6, iPhone 6s, iPhone 7, iPhone 8: 750x1334 IPhone 5, iPhone 5s, iPhone 5c, iPhone SE: 640x1136 IPhone: iPhone 2G, iPhone 3G, iPhone 3GS: 320x480 ![]() So, the default kernel’s index has been updated accordingly and points to the correct entry. Let’s recall that, so far, the default one was the kernel with the index 0: $ grubby -default-index We’re going to check if it has automatically become the default one. Let’s observe that the new kernel has been added at the first position of the list. ![]() Then, let’s examine the results of this command by listing all kernels: $ sudo grubby -info=ALLĪrgs="ro rootflags=subvol=root rhgb quiet 3" Finally, we set the title for the new entry.Īdditionally, we could make the new entry the default one by means of the –make-default switch. Then, we’re adding the 3 text mode argument to the new kernel. Next comes the –copy-defaults option, which copies as many settings as possible from the current default kernel. Next, let’s find the corresponding kernel with the –default-kernel switch: Now let’s check which entry is the default one with the –default-index option: $ sudo grubby -default-index Next, the id key provides the name of the entry’s configuration file in the /boot/loader/entries folder. Both kernels are in the same /boot directory. Title="Fedora Linux (6.2.86_64) 38 (Workstation Edition)" Kernel="/boot/vmlinuz-6.2.86_64"Īrgs="ro rootflags=subvol=root rhgb quiet" Let’s list all GRUB entries together with their parameters by employing the –info=ALL option: $ sudo grubby -info=ALL grubby makes persistent changes to the GRUB configuration. The command accepts a bunch of options to perform various tasks. With grubby, we can modify, add, and remove GRUB menu entries. The grubby command comes with the Fedora distribution, so we don’t need to install it. Of course, if we’ve set the GRUB menu timeout properly, we can still get to the menu by pressing the F8 key. The older kernel versions - preserved for the purpose of rescue, for example - don’t count here. In addition, Fedora 29 introduced the menu auto-hide function, which hides the GRUB menu when only one kernel is available. After a fresh installation, it contains our system’s GRUB configuration as well as a rescue configuration: $ sudo ls /boot/loader/entriesĪnfĪa2fe2e4c83744f98664b52388fba883-6.2.86_64.conf We can find these files in the /boot/loader/entries folder. However, Fedora 30 adopted the BootLoaderSpec (BLS) specification, which demands keeping each entry definition in a separate file. The usual way is to keep definitions of entries in the /boot/grub2/grub.cfg file in the menuentry blocks. Since releases 29 and 30, it has been featuring specific GRUB improvements.įirst, we should look at how the GRUB menu entries are stored. Let’s take as an example the Fedora distribution, which is a member of the Red Hat Linux family. ![]()
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