%general-entities; ]> GRUB-&grub-version; GRUB <para>The GRUB package contains the GRand Unified Bootloader.</para> </sect2> <sect2 role="installation"> <title>Installation of GRUB If you would like use a different bootloader than this one you can go to the following link for alternative bootloaders and the instructions to use them. This package is known to have issues when its default optimization flags (including the and options) are changed. If any environment variables that override default optimizations have been defined, such as CFLAGS and CXXFLAGS, unset them when building GRUB. EGLIBC-&eglibc-version; does not declare gets(): sed -i -e '/gets is a/d' grub-core/gnulib/stdio.in.h Prepare GRUB for compilation: ./configure --prefix=/usr \ --sysconfdir=/etc --disable-werror Compile the package: make To test GRUB you must have QEMU installed and then, issue: make check Install the package: make install Configuring GRUB GRUB configuring /etc/default/grub Now that grub is installed, we need to configure the defaults that will be used to generate the configuration after we install the kernel. Create this file with the following: install -m755 -dv /etc/default cat > /etc/default/grub << "EOF" # Begin /etc/default/grub GRUB_DEFAULT=0 #GRUB_SAVEDEFAULT=true GRUB_HIDDEN_TIMEOUT= GRUB_HIDDEN_TIMEOUT_QUIET=false GRUB_TIMEOUT=10 GRUB_DISTRIBUTOR=Cross-LFS GRUB_CMDLINE_LINUX="" GRUB_CMDLINE_LINUX_DEFAULT="" #GRUB_TERMINAL=console #GRUB_GFXMODE=640x480 #GRUB_GFXPAYLOAD_LINUX=keep #GRUB_DISABLE_LINUX_UUID=true #GRUB_DISABLE_LINUX_RECOVERY=true #GRUB_INIT_TUNE="480 440 1" #GRUB_DISABLE_OS_PROBER=true # End /etc/default/grub EOF The meaning of the above options and possible alternate values: GRUB_DEFAULT= Write Me GRUB_SAVEDEFAULT= Write Me GRUB_HIDDEN_TIMEOUT= Write Me GRUB_HIDDEN_TIMEOUT_QUIET= Write Me GRUB_TIMEOUT= Write Me GRUB_DISTRIBUTOR= Write Me GRUB_CMDLINE_LINUX= Write Me GRUB_CMDLINE_LINUX_DEFAULT= Write Me GRUB_TERMINAL= Write Me GRUB_GFXMODE= Write Me GRUB_GFXPAYLOAD_LINUX= Write Me GRUB_DEFAULT= Write Me GRUB_DISABLE_LINUX_UUID= Write Me GRUB_DISABLE_LINUX_RECOVERY= Write Me GRUB_INIT_TUNE= Write Me GRUB_DISABLE_OS_PROBER= Write Me Contents of GRUB Installed programs Installed directories grub, grub-install, grub-md5-crypt, grub-set-default, grub-terminfo, and mbchk /usr/lib/grub, /boot/grub Short Descriptions grub The Grand Unified Bootloader's command shell grub grub-install Installs GRUB on the given device grub-install grub-md5-crypt Encrypts a password in MD5 format grub-md5-crypt grub-set-default Sets the default boot entry for GRUB grub-set-default grub-terminfo Generates a terminfo command from a terminfo name; it can be employed if an unknown terminal is being used grub-terminfo mbchk Checks the format of a multi-boot kernel mbchk