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https://github.com/projectacrn/acrn-hypervisor.git
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e6de2e5798
1. Delete the generated images if the create scripts failed. 2. Enable root user login on GUI. 3. Enable systemd service in case there are many error logs. Tracked-On: #7820 Signed-off-by: Liu Long <long.liu@linux.intel.com>
80 lines
2.4 KiB
Bash
80 lines
2.4 KiB
Bash
#!/bin/bash
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# Copyright (C) 2020-2022 Intel Corporation.
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# SPDX-License-Identifier: BSD-3-Clause
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logger_prefix="(rt-vm-rootfs) "
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source logger.sh
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function umount_directory() {
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target_dir=$1
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umount -q ${target_dir} || true
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}
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function disable_os_prober() {
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if [[ -f /etc/grub.d/30_os-prober ]]; then
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mv /etc/grub.d/30_os-prober /etc/grub.d/.30_os-prober
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fi
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}
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function update_package_info() {
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apt update -y
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}
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function install_tools() {
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apt install rt-tests -y
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}
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function update_kernel_cmdline() {
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cat <<EOF >> /etc/default/grub
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GRUB_CMDLINE_LINUX="rootwait rootfstype=ext4 console=ttyS0,115200 console=tty0 rw nohpet console=hvc0 no_timer_check ignore_loglevel log_buf_len=16M consoleblank=0 tsc=reliable clocksource=tsc tsc=reliable x2apic_phys processor.max_cstate=0 intel_idle.max_cstate=0 intel_pstate=disable mce=ignore_ce audit=0 isolcpus=nohz,domain,1 nohz_full=1 rcu_nocbs=1 nosoftlockup idle=poll irqaffinity=0 no_ipi_broadcast=1"
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EOF
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}
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function install_rt_kernel() {
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search_dir=$1
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for file in $(ls -r ${search_dir}/*acrn-kernel-*.deb)
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do
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sudo apt install ${file} -y
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done
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}
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function change_root_password() {
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passwd root
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}
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function disable_services() {
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services=(systemd-timesyncd.service \
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systemd-journal-flush.service \
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apt-daily.service \
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apt-daily-upgrade.service \
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snapd.autoimport.service \
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snapd.seeded.service)
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for service in ${services[*]}
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do
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systemctl disable ${service}
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systemctl mask ${service}
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done
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for timer in $(systemctl list-unit-files | grep -o "^.*\.timer"); do
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systemctl disable ${timer}
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done
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apt-get remove unattended-upgrades -y
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}
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# Change current working directory to the root to avoid "target is busy" errors
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# on unmounting.
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cd /
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try_step "Unmounting /root" umount_directory /root
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try_step "Unmounting /home" umount_directory /home
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try_step "Disabling GRUB OS prober" disable_os_prober
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try_step "Updating package information" update_package_info
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try_step "Installing tools" install_tools
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try_step "Updating kernel command line" update_kernel_cmdline
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try_step "Installing RT kernel" install_rt_kernel /root
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try_step "Changing the password of the root user" change_root_password
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try_step "Disabling services that impact real-time performance" disable_services
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