Tagged Questions
4
votes
2answers
175 views
Grub 'incompatible license' error
The other day, I was using a laptop for general desktop use when its keyboard began to act up. Most of the keys on the keyboard's right side stopped working entirely and key combinations such as Ctrlu ...
1
vote
1answer
71 views
Booting encrypted root partion fails after system update
I have a problem booting my Debian Linux server. After a system update, GRUB loads the initrd and the system should ask for the password, but it doesn't. Instead, I get dropped to BusyBox. After ...
1
vote
1answer
63 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 ...
2
votes
2answers
114 views
Where to find the VBR on the /dev/sda1 partition?
I have one built-in hard disk /dev/sda which looks like this:
Disk /dev/sda: 160.0 GB, 160041885696 bytes
255 heads, 63 sectors/track, 19457 cylinders, total 312581808 sectors
Units = sectors of 1 * ...
1
vote
1answer
354 views
I/O errors on hard disk on Linux boot
Here is a screenshot of booting Arch.
I guess the reason is that I force poweroff my Arch linux many times.
(I already force poweroff my Arch because my firefox flash plugin use too much memory to ...
2
votes
1answer
94 views
Copying a working Linux instead of installing a new one [duplicate]
It is possible to move an installed Linux from one drive to another or from one disk to another by two methods:
dd command which copies sector by sector including boot sector
cp command, and then ...
1
vote
1answer
212 views
What's the point of rootwait\rootdelay?
rootwait and rootdelay are used in situations when the filesystem is not immediately available, for example if it's detected asynchroneously or mounted via usb. The thing is, it should be obvious ...
3
votes
2answers
141 views
How do you boot Puppy Linux Slacko into the command line?
How do you boot Puppy Linux Slacko (or Precise or Wary) into the command line? I wish to startx only if I need it. Unfortunately it does not seem to copy Slackware's traditional /etc/inittab runlevel ...
2
votes
0answers
150 views
How can I mount a dm_crypt device during boot, it fails all the time
EDIT: Problem solved, i updated from Debian 6.0.6 to 7.0.0, everything works now!
I have a complex problem at booting. Basically, I have a debian apache box, as a music server in my home network. The ...
0
votes
1answer
274 views
How to put isolinux on an sd card
Hey I need to put the isolinux bootloader on an sd card but how do I properly do that?
0
votes
0answers
76 views
Creating a Virtual filesystem to boot linux
I am trying to boot the linux kernel (bzImage) in QEMU but have had issues. After asking on U&L I found out that my problem was that I was booting the kernel without a filesystem to boot from. So ...
1
vote
1answer
254 views
Complete install on RAID1 + LVM
When doing a complete install of Linux is it possible to install everything including /boot on 2 software RAID 1s (4 hdds) + LVM?
I haven't been able to figure out whether this is definitely ...
2
votes
0answers
176 views
SquashFS image as rootfs in LXC
Is it possible to use a SquashFS filesystem as an LXC rootfs? I can mount an ext3 image as a rootfs just by setting lxc.rootfs to the filename, but if it's any other type of image, lxc-start just says ...
2
votes
2answers
100 views
Can I make low-level changes on a root fs mounted RO?
Related to this question: having a root file system that had to be mounted read-only (say it's completely broken), can I reformat the partition or dd a older backup image on top of it (and then ...
2
votes
1answer
335 views
Where is fsck startet for the root filesystem at boot?
I want to extend an existing Debian 6.0 system so that it is able to automatically fix a corrupt root file system by restoring a separate image. That process should start automatically instead of the ...
0
votes
1answer
53 views
What mode of memory at the time linux kernel was loaded?
Can anyone tell me what the memory mode is at the time linux kernel is loaded (by bootloader)? As this link says, the memory mode is real mode then the linux kernel will ask user to choose video mode ...
3
votes
2answers
1k views
Why do iptables rules disappear when restarting my Debian system?
I add this rule:
sudo iptables -t nat -A OUTPUT -d a.b.c.d -p tcp \
--dport 1723 -j DNAT --to-destination a.b.c.d:10000
When restart computer rules are deleted. Why?
What I can do to make ...
1
vote
2answers
184 views
Is there a way to view the console output instead of boot logo, while my RHEL 6.2 machine boots up?
My company provided laptop has RHEL6.2, with lot of programs to start up automatically, which makes the boot up process slow.
While the machine boots up, there is the boring RHEL logo on the screen ...
1
vote
3answers
835 views
Ubuntu doesn't boot normally after manual installing of X.org
I tried to compile and install X.org (for a single card/multiseat in this tutorial) by getting source from here and installing it by:
./configure --enable-kdrive --enable-xephyr --enable-xfake ...
2
votes
3answers
776 views
Given vmlinuz and initrd.gz, how do I find out, where the kernel is going to load / (root) file system from?
I'm trying various ways of Linux installation (from iso, flash, iso on flash, kernel on flash, root FS in iso-file on flash...) and want to understand what's going on.
My question is: is it possible, ...
0
votes
1answer
1k views
Kernel upgrade 2.6 to 3.5.3 on CentOS 5.8 -> switchroot: mount failed: No such file or directory
I upgraded kernel on my CentOS 5.8 from 2.6.18 to 3.5.3 and now it is unable to mount the root filesystem:
I could not find any explanation through Google. Can you point me in the right direction? ...
5
votes
1answer
730 views
Load Linux bzImage in QEMU?
I compiled a Linux by doing "Make menuconfig" then make and now I have compiled the most recent version of Linux. How can I load the kernel into QEMU?
2
votes
0answers
88 views
Linux boots sometimes into kernel instead of Openbox
I have a Solid-Run Cubox and installed Debian Netboot on it.
Now I want to configure it as webserver/kiosk PC to run a self made webapp.
I installed xorg, openbox, apache/php libs and wrote my own ...
0
votes
1answer
367 views
grub2 and cryptsetup
My root node is LUKS encrypted, and it uses a key file, instead of user input password to unlock it.
I know in Grub2, I can use
insmod cryptodisk
insmod luks
cryptomount -u <uuid>
But I have ...
1
vote
1answer
117 views
Fedora 16 fails to boot after Win7 installed a GPT Drive
So, I have Windows 7 and Fedora 16 installed on my old HDD. Everything worked well and fine before I've had my new 3TB drive built in, which I initialized as GPT in Windows. Actually I initialized ...
2
votes
0answers
212 views
KDE not loading without nomode tag in grub and bad resolution
I recently installed Linux Mint 13 KDE but it's not working fine. At first I had to use failsafe mode to boot because normal boot takes to a textual login.
If I use normal boot and text login I'm not ...
5
votes
2answers
723 views
7
votes
1answer
1k views
Creating a bootable Linux installation USB without unetbootin
I want to install Scientific Linux from USB. I don't know why unetbootin doesn't work but I am not curious to find out: after all, I transferred to Linux from Windows to see and learn the underlying ...
0
votes
0answers
2k views
could not find filesystem '/dev/root' [closed]
Memory for crash kernel (0x0 to 0x0) notwithin permissible range
Red Hat nash version 5.1.19.6 starting
mount: could not find filesystem '/dev/root'
setuproot moving /dev failed: No such file or ...
0
votes
1answer
684 views
Want Windows to boot instead of Grub
So when I turn my computer on, Grub rescue boots up. I have finally figured out how to get into Windows, but now I want to skip the step of entering the information into Grub to get into windows. How ...
1
vote
2answers
350 views
Can Linux support Mirror Bootable Disk with LVM like IBM-AIX/HP/Solaris UNIX?
I have searched a lot in Google and Linux sites, but it seems that only UNIX, especially HP-UX supports mirror bootable disk configuration.
Can anyone tell me whether Linux (I am using SuSE 10) can ...
1
vote
1answer
284 views
MBR is toast or at least Grub is
This started after some kernel trouble that I left alone for a while. I had miscompiled a kernel then tried to re-compile it and started to organize a list of boot options in grub for differently ...
1
vote
1answer
283 views
Linux thin station
I have this pc that I just installed and set it up as Linux thin station. I did all the formatting procedures and copying of image to the HD. When I boot it up, I get these, which I think are driver ...
3
votes
2answers
663 views
Booting a newly compiled linux kernel
I have started reading the book Essential Linux Device Drivers. I am following the process for compiling and booting into a new kernel. However I am unable to boot into the newly compiled kernel - I ...
1
vote
0answers
86 views
Battery not detected on my embedded device on reboot
I have an ARM based embedded device with Linux Kernel 2.6.31 running on it. I have seen that while rebooting the device sometimes battery won't get detected and the device will just fail to boot. Any ...
3
votes
1answer
217 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 ...
4
votes
3answers
746 views
Boot Linux system from a subdirectory on a partition?
I would like to try to set up a computer so that it has multiple Linux installs all in the same filesystem. For example, the filesytem would have 3 folders: /Ubuntu_Precise, /Ubuntu_Oneiric, and ...
10
votes
1answer
2k views
How can I test the RAM for data corruption on an ARM-based system?
I have an embedded device. It is ARM based, with Linux 2.6.31 and has 256 MB RAM.
I wanted to get some ideas/tips on what is the most effective way to test the device RAM for data corruptions. Is ...
3
votes
1answer
95 views
LILO vga option
In LILO config file (/etc/lilo.conf) what's the difference between specifying vga option in Global section and when specifying it in per-image section.
6
votes
4answers
613 views
Difference between bootable and non-bootable partitions
What is the difference between a bootable and non-bootable partition? I know that a user cannot boot a system from a partition marked non-bootable and can from one marked bootable.
I want to know ...
1
vote
2answers
537 views
Fresh Linux (Debian and CentOS) installation will not boot
I am trying to install either Debian or CentOS on a home server (Fujitsu PRIMERGY TX100 S3). I first tried installing Debian. The whole installation was successful (including grub). But after ...
13
votes
4answers
5k views
Why does Linux allow ‘init=/bin/bash’?
I recently found out that if I edit GRUB before booting and I add rw init=/bin/bash I end up with a root shell.
Being in a condition that I want to understand everything I would like to know why this ...
5
votes
1answer
205 views
Should I use LILO or GRUB or other?
I am making a netinstall DVD which will have netinstall for 10 different Linux distros on it. I will need to install a bootloader on the disk so I can choose which distro I want to install.
Which is ...
2
votes
1answer
1k views
Uninstall the Encrypted LVM function to remove the prompted password entry during Ubuntu Boot
When I installed Ubuntu 11.04 and I was offered the option of enabling "encrypted LVM" for my hard drive. After choosing that option, I am prompted for my password during boot to decrypt the LVM.
...
3
votes
2answers
214 views
How does the kernel “give up” control to distribution-specific initialization?
I've always wondered how the kernel passes control to third-party code, or specifically distribution-specific code, during boot.
I've dug around in GRUB's configuration files, suspecting a special ...
2
votes
2answers
2k views
Kernel Panic - not syncing: VFS: Unable to mount root fs after new kernel compile
So I've been at this for a while and have been poking around for an answer for a few days, and figure it's about time to ask for help. I am running Ubuntu 10.10 in VMWare Fusion, and have downloaded ...
2
votes
2answers
303 views
Fast distro which only allows a USB boot?
Older PCs BIOS don't have the ability to boot from USB and there is no upgrade from the motherboard manufacturer that makes that possible.
Usually I load UNetbootin to make the USB bootable.
Since ...
5
votes
2answers
934 views
Is there a way to speed up boot time by loading things into RAM immediately?
I'm looking to lower my boot time by whatever means possible. I have about 8GB of RAM in my laptop, and if there's any way I could leverage that into faster boot time, that'd be awesome. Is there a ...
2
votes
2answers
107 views
Determining longest time taken in boot process
I'd like to find out what takes the most time in my boot process from GRUB to the Ubuntu login screen. How can I profile my boot process to find out what's taking so long?
4
votes
2answers
526 views
Multiple root options in Linux command line
My kernel command line looks like this:
root=31:0 ro noinitrd console=ttyS0,115200 root=/dev/mtdblock2 rootfstype=squashfs
I think the first root entry identifies a disk by its major and minor ...
