General :: Remove Bootchart From The Boot Process?
Feb 8, 2010
I have OpenSUSE 11.2. I removed bootchart and forgot to run mkinitrd. Now, right at the start of the boot process, I get boot/93-bootchart.sh: line 17: 462 Terminated stopinitrd 5
I Can't find any 93-bootchart.sh anywhere. Earlier I got an error message about non existing /sbin/bootchartd, but I just copied /bin/cat to /sbin/bootchartd using a GParted boot disk. I tried to use chroot with an OpenSUSE boot disk, but mkinitrd can't find the root device, which is there actually (/dev/sda5). How can I make my system boot again? now I managed to re-install the bootchart rpm, using OpenSUSE boot disk and chmod. The system starts again. But that annoying bootchart is still there. I will not try again to remove it. First I will try to figure out, how to disable it during the boot process.
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May 19, 2010
I have just installed the centos 5.3 on my server machine. It looks for a USB media to boot. But I am not able to figure it out what i have done wrong. Why does it asks for USB media?If I have created a dependency of USB to boot, Is there any way i can remove this dependency. Or I have to reinstall the OS again?
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Jun 30, 2010
The thing I love most about 10.04 has been the boot times. Now, sadly that is gone for me... Suddenly it takes longer to boot. With almost no new apps installed and I have a separate disk for music/videos and such. Also, removed most of startup-applications!
Before, when the ubuntu logo showed the dots didn't even complete a whole lap, and...I was in the desktop... Now it does a couple rounds before eventually getting to the desktop.
Nothing extremely slow, but still noticable!..
Created a bootchart, but i couldn't see anything extraordinary.. maybe you guys can?
BOOTCHART RESULTS
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May 13, 2011
I have udev rules that creates a directory for each usb-media that is plugged into my debian to automount usb-media. This directory where mount-points (the mount-directories) are created is passed through a rdp-connection with rdesktop. On our terminalserver there's a drive Z that shows all mount-points with content of usb-media.When users remove usb-media, udev unmounts usb-media and tries to delete the directory that was used to mount usb-media.If the users hasn't closed explorer showing any subfolder of usb-media, the unmount-command succeeds but the rmdir-command fails because the ressource is "busy or used".My question: how can I force to delete this mountpoint? (rmdir doesn't have force and rm -rf doesn't work)Edit: I should add, that I can't use third-party software or additional packages because the linux-machine is a thin-client with very low disk-space.
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Nov 3, 2010
I get the bootchart.tgz file to be created, but I am unable to convert it to a png file. I have tried several instructions on how to make this conversion, but none of them have worked. Here is the one listed on this forum:
after login to GUI open your browser and go to: Bootchart scroll down to Renderer Web Form and upload bootchart log tarball located in /var/log/bootchart.tgz leave PNG format nex press Render chart button. I do not see the location on the website listed, to upload a file.
The other methods I have tried entail using the terminal to convert the file, but I continue to get errors on a failed conversion, or the wrong commands.Is there by chance I do not have a certain software yet installed to make this conversion on my laptop. I have installed the minimal OpenSUSE 11.3.
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May 19, 2010
My Friend and I have a similar spec PC apart from mine has 4GB DDR2 his 2GB DDR2 and Mine quad core 2.3Ghz and his Dual core 2.3Ghz.... Both on a fresh 10.04 install with Grub2
Bootchart beats mine by about 10sec why?[Files Attached]
Edit files here: (Attached got resized)
Mine : [URL]
Friend : [URL]
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Nov 22, 2009
I did a kernel upgrade in openSUSE 11.2 which caused bootchart to fill the root partition or so it would appear as when I rebooted I started getting messages on the console saying bootchartd could not write because the device was full.
Let me begin by describing my system:
Partition table:
fdisk -l /dev/sda
Disk /dev/sda: 500.1 GB, 500107862016 bytes 255 heads, 63 sectors/track, 60801 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0x00083a53
Device Boot Start End Blocks Id System
/dev/sda1 1 2612 20980858+ 7 HPFS/NTFS
/dev/sda2 2613 15666 104856255 7 HPFS/NTFS
/dev/sda3 * 15667 15927 2096482+ 83 Linux
code....
As you can see from the partition table I have 2GB allocated for the / partition and according to the df command there is 0 free space but du -hx shows / is only using 405MB. What's happened to the almost 1.6GB that should be available?
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Apr 19, 2010
I'm using CentOS 5.3. After booting up, where can I find the log file that contains if all services where successfully loaded or not? For example when computer boots you get a list of start services and they can be OK or FAILED. Is there a log file where this information is kept? I had a look in the following directory /var/log/ but not sure which one will contain the informaiton that I need.
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Mar 15, 2011
I've been reading various tutorials of the boot process but still am not clear. I don't care about grub stage 1 and 1.5 at the starting point of when the root filesystem is loaded into VFS(Virtualfilesystem), who is loading it, and from that point on. 1) Does grub load the root filesystem(read only) into VFS?2) Does the kernel load the root filesystem(read only) into VFS?3) Does INIT load the root filesystem(read only) into VFS?after this is concluded....Does INIT or the Kernel create the real root filesystem(rw)...right before the pivot.root
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Oct 14, 2010
I'm trying to upgrad from kernel 2.6.32.9 to 2.6.34.3 and I'm having problems.The boot finished with that old gem "Kernel panic - not syncing: Attempting to kill init !"I suspect that it's something to do with my PATA IDE driver because there have been kernel changes in this area.My problem is all the boot messages scroll off the top of the screen before I can read them and it's no use saying look at dmesg or /var/log/messages because the root fs isn't there - another reason why I think it's to do with the drivers.So my question is, is there some way I can slow down the boot process so that I have a chance of reading the messages ?
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Oct 30, 2010
I wonder and hence ask you whether there is a difference in boot time between two systems when just one of them features grub at the boot stage.
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Aug 2, 2010
what are the programs or process that gets execututed when a linux start. ie starting from the grub (linux bootloader)
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Feb 22, 2011
I got home today to find that my KDE login screen would not let me log in. It said the authentication process failed or something and I needed to terminate the screen lock process manually. So I go over to another virtual terminal and try to log in. As soon as I enter my user name, a bunch of errors come up and I am unable to log in. "This can't be good" I think to myself, and reboot.
I am greeted by this error upon booting:
The error says that it says it cannot find /sbin/init. I loaded up a Ubuntu live CD and verified that /sbin/init is indeed present and all my other files still seem to be there. I tried booting into arch fallback on grub but that didn't work either. Midway through the day I SSHed my desktop from my phone and started it doing an upgrade. I was able to login.
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Jun 29, 2010
For the past few days I was putting effort on understanding the software control flow starting from "Boot loader" to "Linux User space".
I am consolidating the entire process and putting forth in this forum...It would be great if someone can validate this..It might be useful to other new bees too.
Step 1 : Power up the board
Step 2 : The CPU control goes to EEPROM/storage memory where BIOS resides
Step 3: BIOS gets loaded in RAM and gets executed
Step 4: During execution, the selection of Boot device has to be done with the help of BIOS Menu [Blue screen appearance during start up in normal PC's]
Step 5: BIOS shall access the Bootloader stored in boot device [for eg.,Hard disk]. Boot loader is stored in MBR area.
for explanation purpose I take the following configurations
Bootloader = GRUB
Boot Device = Hard Disk
Step 6: GRUB shall be loaded in RAM and gets executed
Step 7: GRUB shall load the KERNEL image to RAM. Kernel image is stored in Hard Disk.
The question of "How the GRUB knows where the Kernel image is stored".
The answer is
1. In the "Grub.config" file, the location of "Kernel Image" and " Ramdisk Image" [which will be discussed later in the section] is being given.
Step 8: Kernel Image followed by Ramdisk Image is loaded in RAM by GRUB bootloader
Step 9: Kernel Image gets executed...During execution, top portion of the code shall make initial hardware initialization and latter part
of the code shall just decompress the Kernel Image
Step 10 : After decompressing the Kernel Image, it shall decompress
the already loaded Ramdisk Image
Ram disk is just creating a temporary hard disk in RAM. The main responsibility includes it consists of minimal driver files, executables, directory structures to created a TEMPORARY ROOT FILE SYSTEM.
This Temporary Root File system shall be used by Kernel Image
1. Execute the executables to access the Hard disk
2. For creating Permanent Root File System in HARD DISK
Step 11 : Kernel Shall look for the file /Linuxrc in Ramdisk. Linuxrc
is a USER script file [not sure]
Step 12: At the end of script file Linuxrc, the Ramdisk shall give the
control to "USER SPACE" [path for writing the script not known]in Linux kernel
Step 13: USER SPACE is the normal shell
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Jan 2, 2011
I am running mint 10 on a lappy and do recall doing this earlier but I can't remember how I did it (just liked the look of the rolling text rather than the splashscreen).
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Jul 27, 2011
I know this is a familiar looking question, but please hear me out.
I want to dual boot Fedora 15 with Ubuntu 11.04 (to try out GNOME Shell whilst not breaking Unity, which I quite like). As it's mostly to just to try out, I'll probably want to remove Fedora and go back to just Ubuntu, so I wan to ask how to remove the Fedora partition without doing any damage, and how to remove it from the GRUB menu at boot.
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May 30, 2010
Is it possible to remove Ubuntu, i dont have an actual disk partition just a 12gb folder within windows that Ubuntu loads from. I thought i should find out how to remove it now incase anything goes wrong and i am stuck. I don't have a windows cd if that is important.
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Feb 24, 2011
Here's the set up.
1. Got an EXISTING LILO... VL 5.8 (/dev/hdc3)
2. Installed VL6.0 and installed its own lilo on Boot sector (/dev/hdc13)
3. Everytime I choose VL6.0 in my existing LILO (/dev/hdc3) it still goes to VL6.0's LILO. The question is, how can I remove the VL6.0 so if i choose this on my existing lILO. It will just boot straight.
VL6.0 LILO:
root:# cat /etc/lilo.conf
# LILO configuration file
# generated by 'liloconfig'
# Start LILO global section
boot = /dev/hdc13
#default = linux
#compact
#prompt
#timeout = 0 .....
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Nov 27, 2009
I have 2 os redhatlinux 5.1 and windows xp. is it possible to remove grubboot loader.
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Apr 11, 2010
I have a laptop dual booting to Windows 7 and Opensuse 11.2. However, I'd like to switch to a different Linux distro (probably Ubuntu, that's what I'm used to)
Is there a way for me to do it without losing the Windows 7 setup/data?
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Feb 22, 2011
i got a new laptop today, i bought it just to use linux. i but the iso on my usb and it works fine on the pc, but when i try it on my new laptop i am getting 'boot error' and must restart and remove usb. iso: ubuntu-10.10-desktop-amd64.iso laptop: [URL]
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Jan 8, 2010
one tell me the internal working of kill command. that is how it kills a process internally or from where it picks file to continue its process.
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Jan 21, 2011
I have a high priority service that I start with sudo nice -n -10 process. This process does not need superuser rights though, except for the priority elevation. But nice requires superuser privileges to elevate priority.
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Jun 12, 2010
send the details raid configuration how to use in linux el5 and how to indentify the raid degrade process and how to rebuilt the process.
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Sep 8, 2010
Code:
#include <stdio.h>
#include <unistd.h>
#include <signal.h>
[code]....
Description of what the code does or what i intended to do:
1. Created a child process from parent process using 'fork()'
2. Sent a signal 'SIGALRM' from child process to parent process using 'sigqueue' function.
(The Third parameter of 'siqueue' function contains the message (message msg) which the child process wants to send to the parent process.'msg' is a stucture instance containing a) pid of child and b) string) 5. Print the 'msg' sent by child process inside the signal handler function 'sig_action_function' of the parent process I am getting some junk value when this line is executed
Code:
printf("%d
",msg->cpid);
I expected to get the pid of child process, which the child process sent to parent process through the signal.
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Jun 11, 2011
I have 4 OSes installed:
Windows XP on sda1
Backtrack on sda5-6
Ubuntu 11.04 on sda7-8
Ubuntu 10.10 on sda9-10
I want to remove Ubuntu 11.04 (partitions sda7-8). I tried using GParted from Ubuntu 10.10, but it says that I have to unmount logical partitions with a number higher than the one being removed.
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Oct 24, 2010
I just made my system unbootable... Here is what i did.. I have two sata HDDs
160 GB (Contained Windows 7)
500 GB
I copied entire 160 gb as an mirrored image to 500GB HDD using Acronis Disk Director. I deleted entire 160 GB HDD.. Removed the 500 GB HDD and kept it seperate.. Installed ClearOS Enterprise 5.2 Worked a little bit... The i wanted to delete ClearOS.. So i connected 500GB HDD and booted again in Acronis Disk director Formated the entire 160GB HDD.. Copied back the entire 160 from 500GB HDD.. Now my sytem refuses to boot... Just 4 letters "GRUB" appears on the screen... I tried booting using XP CD.. It gives a blue screen.. I tried Windows 7 CD.. It says unable to fix due to MBR problem..
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Sep 10, 2010
Originaly I had Win7 and Ubuntu (Ub) set up OK in dual boot. The Ub was on a seperate drive in its own partition - then the darn drive failed. Without reinstalling Uu I still get it as an option in the dual boot menu. If I do reinstall Ub I end up with a 2nd Ub option. How can I get the boot menu to show Win7 only, so that I can re-install Ub with only 1 entry in the boot table?
I have tried using bootrec.exe from the command line in Win7 recovery mode but that does not fix things.
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Aug 12, 2010
as we all know Process Scheduler does Process scheduling and its a process as well. I was just wondering that if this happens then the Process "Process Scheduler" should be a part of Process queue as well.
So if there are 5 process are there in Process queue & process scheduler is administrating them then since its also a process, once it puts a process under RUN state it should itself go inside queue because at one instant only one process can get executed on a processor. This is quite confusing for me. Please help me out. I tried to search on this but could not find any relevant topics.
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May 4, 2010
How do you find the parent process of zombie processes?
When the child process is something where the parent is not entirely obvious...
Is there some way to list processes in tree format or something?
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