Bootloader issues: what happens before the operating system itself starts.

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18 views

How to put initramfs and kernel on two separate partition?

I'd like to put the initramfs on a USB device will keeping the linux kernel on the SSD, so I get the fast boot while protecting my encryption settings on the USB device. Any idea how to do that ?
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1answer
9 views

Arch Linux - Swapping /boot

I'm new to Arch and last night I was going through the Beginner's Guide and set up all the partitions, downloaded the required base and base-devel files and I thought everything was okay. However, I ...
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1answer
3k views

Arch Linux Live USB no longer booting UEFI

My Lenovo laptop is running Arch Linux with a UEFI GPT partition table. One day I powered up my laptop, but couldn't get passed the Lenovo boot screen. I used a USB stick to boot up and reinstall Arch....
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9 views

How to pass the path to initramf.img to the kernel with refind?

I want to use an initramfs.img that is located on an USB device but I can't quite find the kernel parameter that can do that, any idea ?
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8 views

How to make an initramfs-linux.img bootable?

I basically want to put my initramfs on a usb device but UEFI or refind won't detect it as bootable. I think I need to add a .efi pointing to that initramfs file on that same usb device. Any idea how ...
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1answer
1k views

Open-Vas Not Starting Kali Linux 2.0

On my installation of Kali Linux 2.0, the Open Vulnerability Assessment System (Scanner|Manager) Daemon does not start successfully. It tells me to run the command systemctl status openvas-scanner....
3
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1answer
2k views

How do I resolve an error when booting, “Couldn't find device with UUID…”

I have a RHEL 6 system, running on a VMWare machine. The admin of the VM server added a second RAID volume to the server, which my RHEL system does not use. Now, when I boot the RHEL system, I get a ...
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1answer
17 views

SD-card isn't visible to boot from

I've created a bootable flash SD-card. However, on boot it's not visible in the list of "Boot from". When I use a flash-usb stick, it's visible and I'm able to boot from it. What can be an issue?
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331 views

kernel panic not syncing: vfs :unable to mount root fs on unknown block(31,1)

I am trying to boot linux from flash on an powerpc board. In u-boot I set bootargs with: setenv bootargs root=/dev/mtdblock1 rootfstype=ext2 rw console=ttyS0,115200 ramdisk_image=\${rd_size} I also ...
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0answers
23 views

Autostart process and respawn only if error

I am trying to start a process_A automatically (on startup) just after another process_B ends (which makes some updates in the system and needs the process_A to be off) and then if process_A crash or ...
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1answer
32 views

Booting kernel (FIT image) with no rootfs

An embedded Linux device I am working with has the following kernel parameter: root=/dev/ram0 Additionally, the kernel image is bundled together with an initrd and device tree to make a flattened ...
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1answer
35 views

When arch linux boots on my mac, I can execute commands, but the screen is completely black

I have tried to boot both ubuntu and arch on my iMac (21.5-inch, Mid 2010). Both seem to boot, for example ubuntu makes its little bongo noise, and I can type zsh commands when arch boots. But the ...
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2answers
2k views

Is it possible to add some 'PXE Network Boot' option to GRUB?

This is an example of my available GRUB menu boot options: 1 menu label ^ 1) Xubuntu 14.04.02 LTS 2 menu label ^ 2) Windows 7, x86 & AMD64 3 menu label ^ 3) Windows 8, ...
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1answer
19 views

System unbootable - grub error: disk lvmid not found

I'm gettind this error at boot: grub error: disk 'lvid/caoMWu-o417-GMgh-6vFj-1qrw-iJMi-ypwm0f/Z2eotR-N0HN-nrol-3hUd-odMB-GzHy-4PrsnL' not found. Entering rescue mode.. I can't even get the ...
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1answer
75 views

How to shrink, clone an entire Linux disk and boot it?

I had an Ubuntu 14.04 running on a 1024 GB disk (disk A), which only used up to 130 GB spaces. I want to clone it to a 256 GB SSD disk ( disk B ). But failed. I used gparted to shrink the partitions ...
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1answer
50 views

install 64 bit Debian

I have a computer that had a 32 bit os on it when I got it, I thought it was 32 bit. So installed debian-7 32 bit. I latter upgraded the kernel to pae, and then to 64bit. It is now a 64bit kernel, and ...
0
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1answer
22 views

How does BeagleBone Black Linux bootstrap change when System 5 init is replaced by systemd? [closed]

We have BBB based custom Linux board running Linux 3.12. We are current using SysV init for boot. I understand that boot happens in following sequence: ROM code looks for boot device based on boot ...
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9answers
86k views

How to boot Linux to command-line mode instead of GUI?

I am using 32-bit Red Hat Linux in my VM. I want to boot it to command-line mode, not to GUI mode. I know that from there I can switch to GUI mode using startx command. How do I switch back to command-...
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0answers
32 views

What does am335x-pru0-fw do?

When I boot my BeagleBone Black I get the following error. What exactly does this mean? What is am335x-pru0-fw meant to do? Kernel Version: $ uname -a Linux arm 4.1.15-ti-rt-r40 #1 SMP PREEMPT RT ...
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1answer
34 views

Fedora doesn't boot since 4.5.7-202: grub shows only a blinking cursor

I have a Thinkpad 460s with dualboot: Fedora and Windows. I am using grub2 as a bootloader. 4.5.7-200 boots fine, but 4.5.7-202 and the newly released 4.6.4-201 doesn't boot up, grub shows a blinking ...
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1answer
829 views

Create bootable hfs+ partition for macbook

I've installed Debian testing on a Macbook Pro (mid 2014) without keeping OS X on the internal SSD. I've used the following GPT partition layout: HFS+ EFI on /boot/efi BTRFS on / SWAP on swap I've ...
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2answers
2k views

How can I boot the PC-BSD live DVD-ISO IMAGE directly via GRUB2?

Via the loopback command, GRUB2 allows to directly boot an ISO file. Now, I've configured the according menuentry to boot the PC-BSD Live DVD ISO, but when I try to boot it, the FreeBSD bootstrap ...
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11 views

Install Debian on G5 new drive 2nd stage boot

I have 4 old G5s and 4 old Powerbooks. I have installed Debian 7.1 on one of them and it gets stuck on 2nd stage boot (choose l for GNU/Linux, c for CD) We do not have the original hard drives (...
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1answer
2k views

Linux Mint: How to enable cryptswap with custom password?

When you want to use hibernation and you care for security, you'd like to have the swap encrypted. But not with the random password, chosen for you at startup, but with a fixed one, supplied by you at ...
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2answers
11k views

Startup log file for RHEL?

When I start up my Red Hat box I see a progress meter in the center of the screen that has a button that says "Show Details...". When I click on this button, I see a console like screen that shows ...
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1answer
153 views

Where in GRUB2 source code is the handover/jump to kernel code?

I'm looking for the line of code where GRUB2 finally jumps to kernel code and thus hands over execution on x86 systems? I guess it's in an assembler file since this is very low architecture stuff. I ...
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1answer
2k views

How to access u boot environment from linux?

How can I access and change the u-Boot env variables in linux. Using the u-boot/tools/env directory in u boot directory: u-boot$ make env Which created the executable file fw_printenv. I copied ...
0
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1answer
22 views

Why is it taking so long to establish a LAN connection on boot?

I have an issue with a virtual machine taking time to connect to the local network on boot. I create a virtual machine using the following command: virt-install \ --connect qemu:///system \ -...
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2answers
26 views

Can initramfs programs access all memory - do they run in real or protected mode?

This is in the context of current 64-bit processors and current linux kernels (I'm using 4.6.4.) Is it possible for me to write a program that during boot can examine base memory, 640k and under, ...
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31 views

Unknown runlevel on Ubuntu 14.04, services not starting on boot

I rent a VPS from a VPS company and run an Ubuntu 14.04 web server there. Recently it had to be suspended by my provider for a while. After the suspension period (1-2 days), the VPS boots, but cannot ...
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2answers
3k views

How can I tell what memory RAM address range is being used by uboot?

I am in uboot and was wondering, how could I tell what RAM address range is being used by uboot. uboot needs memory to run so it might be using some of the RAM. I want to avoid modifying those RAM ...
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2answers
4k views

How to add boot parameters in arch linux

I want to add i915.i915_enable_rc6=1 as a kernel line as described here but I'm unsure where/how exactly.
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0answers
20 views

Marking TSC unstable due to check_tsc_sync_source failed

My dedicated server has been hanging it out (or just turning off) very often sometimes more than a day, apparently for no reason (according with the technical support department). After that, the only ...
6
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3answers
5k views

ERROR: Root device mounted successfully, but /sbin/init does not exist

I've installed Linux Mint and Manjaro Linux on my computer. I installed only the Linux mint on the MBR. For Manjaro, I created a /boot/efi partition, but I have not checked to install to MBR. So, I ...
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0answers
48 views

Cannot boot; “failure reading sector 0x802 on hd0”

I recently installed Peppermint 7 on my pc. Everything was working as it should. I've been using it now for over a month. I turned it on today to find that it couldn't boot. It says "failure reading ...
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1answer
21 views

How does BIOS know which disk's MBR should it use? [closed]

Generally, BIOS will read the MBR in disk, but if there are multiple disks, how will the bios determine which disk's MBR should be read?
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Got only Microsoft reserved and Microsoft basic data partition ? How can I boot into Windows 10 from grub2?

I only got these partitions: Disk /dev/sda: 55,9 GiB, 60022480896 bytes, 117231408 sectors Units: sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (...
0
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1answer
50 views

After installing Manjaro, windows is not showing in boot menu

I was dual booting windows 10 and Linux Mint 17.3 Mate. Everythig was fine, I was able to dual boot. Last night I decided to install Manjaro Linux and I did so. After installing Manjaro, all I get in ...
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1answer
2k views

Debian 6 Gnome black screen after boot

I installed Debian a few weeks ago, and the last time I ran apt-get update, I think it updated something xorg/xserver, not sure. Since then i get a black screen after boot. If I go into recovery mode ...
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0answers
15 views

device-mapper: table: 253:3: snapshot: Failed to read snapshot metadata

I used Clonezilla to restore a Linux system. After the system restore finished, the system failed to boot, showing the following error message: Reading all physical volumes. This may take a while... ...
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0answers
20 views

LMDE 2 boots to black screen but if I choose 'systemd' it loads normal

I made the unfortunate mistake of copying and pasting some stuff and now LMDE boots to a black screen. However, if I interrupt the boot process and choose the option with (systemd) at the end, it ...
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0answers
10 views

Getting error to install centos 7 from bootable usb

I am trying to install cent os 7 from bootable usb but it is giving below error, see screenshot Anyone knows what went wrong.
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1answer
1k views

Cannot add startup service to openWRT from init.d

I have openWrt installed on a TP-Link TL-WA901N/ND v3. I don't have luci package installed because I don't have enough space, so I can only do thing via cli. What I'm trying to achieve is to create a ...
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136 views

switch_root with systemd: “Too many levels of symbolic links”

I'm trying to boot a proprietary kernel build and OS after an upgrade to libc and numerous other tools. I'm booting using an initramfs in the 3.2.0 kernel with some utilities, like busybox. However, ...
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1answer
4k views

Setting up HDMI output from Linux console

I am currently running Debian Wheezy on a HP Microserver N54L with an AMD Radeon 5450 video card. I would like to be able to play audio from the console through the HDMI port of my video card and ...
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35 views

systemd underestimates boot time. How can I try upstart?

Sorry in advance if this is a stupid question, but I'm new to this issue and every time I google it, I just get comparisons of upstart versus systemd. Anyway, my Samsung laptop with Mint 18 is taking ...
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1answer
45 views

Black screen with blinking cursor after trying to boot Kali, Ubuntu, and Lubuntu live

I recently bought a Lenovo Thinkpad Edge 15 (Model: 031925U) on Ebay. The machine came with Windows 7 Pro 32 bit installed. I replaced the HDD with a 240GB Samsung 750 Evo. With a 2.4Ghz i3 370M ...
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1answer
49 views

What can cause GRUB2 to suddenly not be recognized by EFI?

I have two hard drives in my PC. The first one contains an ext4 partition with Debian, a swap partition and the EFI partition for Debian. The second hard drive contains Win8 and it's EFI partition. ...
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1answer
43 views

How to boot to and run Linux from Chromebook with removed SSD?

I have an Acer C740 Chromebook. I am not sure if this is a hardware or a software issue, but the Chromebook refuses to boot properly. The display powers on, but remains blank white with only the ...
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My Macbook retina with Linux Mint out of battery, black screen on boot

I was using the computer when suddenly the power in the house shut down without me noticing. Then after a while when my computer shut down off battery loss, it now wont boot. Before it shut down I was ...