Fedora :: Can't Save Kernel Arguments
Jan 5, 2010
I am using an Acer Aspire Timeline 4810TZ with F12 installed. I have to enter the kernel argument intel_iommu=off each time I boot. This means pressing escape, going to the correct kernel, pressing A (to change kernel arguments), and then entering the command. I've seen some sources that suggest editing /boot/grub/grub.conf, but I've tried it and it doesn't seem to make a difference. I'm wondering if maybe there's another file that I have to edit, because I don't see the kernel arguments in grub.conf that I see when I press A in the grub menu.
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Mar 29, 2011
How do I set ls so that when I type ls it actually runs ls -l. This Sounds minor but I'm trying to save keystrokes wherever I can. This is on Ubuntu 10.10.
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Jan 21, 2011
I updated the kernel to 2.6.35.10-74.fc14.x86_64 and had to reinstall and rebuild the kernel module for my ATi driver as usual, so I edited the kernel arguments at the grub splash screen so that I could boot into single user mode and install the driver (i.e appending the relevant line with '1'). The interesting thing is, the system booted directly into single user mode as root when the system started up. No password was required.
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Nov 16, 2010
I wanted to make an alias with arguments (like in cshell) which is in bash done by functions. The function must simply perform a command (nedit), append the arguments from the cli and make it run in the background (adding &).
So here is the function in a naive attempt:
Code:
when using the command
Code:
Code:
How can i use arguments and still start it in background? In cshell it was like:
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Apr 27, 2011
We're using 10.10-server. We are trying to make grub boot changes permanent. I've already looked at thread [URL]. We updated /etc/default/grub, and update-grub propagates those changes into /boot/grub/grub.cfg, but not into menu.lst. It appears to use menu.lst as the source at boot, so our change doesn't show up as a linux parm.
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Mar 28, 2010
We're using condor at work to have cluster processing of java jobs. I know how to tell condor to require that a given job should be run on a particular slot. You can put on the Requirements string in the submit file a "Name" value(s) -->
Example:
Requirements = ".. Name == slot1@host*.domain.net || Name == slot2@host*.domain.net"
Which would tell condor to only run that job on slots 1 or 2. But what I need next is some way to have condor modify the arguments string depending on the slot it used. Our condor blades have 8 slots per machine but only two CUDA Tesla cards per host, so I want to dedicate slots 1 and 2 for using the Teslas and slots 3-8 for not using CUDA.
My java code has a java '-D' property so I can tell it to use CUDA or not, but then I
have to have a way to configure condor to append that to the job arguments if
the slot is 1 or 2 or not append it otherwise; So I want this arguments list passed for slot1 or 2
"Main.start -Djava.library.path=/usr/local/cuda/lib64 -Dcuda"
and this for slots 3-8:
"Main.start -Djava.library.path=/usr/local/cuda/lib64"
I don't want to just make the developers hack their submit files to put the
-Dcuda on the arguments line in combo with their adding the Name entry for
slot1 | slot2 because that seems error prone to me.
I want condor itself to add the JVM -Dcuda argument when it's slot 1 or 2 to reduce errors because these jobs take a long time and a mistake wastes lots of time.
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May 8, 2011
When I run yum list installed command the output shows two kernels:
[Code].....
Would it therefore be safe to remove the first kernel in the installed list to save having two kernels being updated everytime I run yum update? Or is the PAE kernel dependant upon the original?
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Aug 20, 2010
is it save to install linux kernel 2.6.35.2 on Debian Lenny 5.0.5 or stick with automatic updates...
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Nov 21, 2010
I have problem with onboard ATI ES1000. Server details:
Supermicro X7SBI, Q6600, 8G ram. Centos 5.5 minimal installation, without X.
Problem is that with all kernel-xen x86_64 from current kernel-xen-2.6.18-194.26.1.el5.x86_64 back to kernel-xen-2.6.18-128.el5.x86_64 after kernel boots monitor goes blank and says "no video, going to power save".
Google finds similar problems and sugestions was to add "nomodeset". With this option monitor also blanks after kernel boot, but says "out of range". Other options to modify xorg.conf does not apply, becouse there is no X installed.
I try with multiple monitors, without success. This happens only with 64bit kernel-xen. All other 32 and 64 bit kernels and 32bit kernel-xen works fine, video is ok. This happens to 6 servers, all are same hardware, used as cluster. Installation with "linix text" allways is fine, video disappears after first reboot when standart kernel is booted. I also tryed with almost all possible "vga=xxxx" kernel options and none of them works.
What else to try?
# lspci
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Jan 13, 2010
I have Ubuntu 9.10 dual booting with Windows7.My ext3 /home is mounted as F: in windows.I share a firefox profile between them so that when i am in Windows my firefox uses the same profile as it does when in Ubuntu.It all worked great until recently. I am unable to save files by right clicking and save as. In the config i am unable to set a directory to save to. It neer asks me where to save to. Just nothing happens. some off my book marks are all messed up as well, my rss feeds have the same post on some random website every time i log on and i have to manually refresh to get the correct feeds back. I am unable to delete the random bookmark.
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Jun 16, 2010
my mediacenter is attached to an beamer with the optimal resolution of 1280*720 ubuntu 10.04 doesnt offer me this revolution (on my intel 915 graphis controller). this means i have to add this resolution to the possible resolutions. first i used cvt
Code:
cvt 1280 720 60
and got this result:
Quote:
# 1280x720 59.86 Hz (CVT 0.92M9) hsync: 44.77 kHz; pclk: 74.50 MHz
Modeline "1280x720_60.00" 74.50 1280 1344 1472 1664 720 723 728 748 -hsync +vsync
then i added this to xrandr
Code:
xrandr --verbose --newmode "1280x720" 74.50 1280 1344 1472 1664 720 723 728 748 -hsync +vsync
and
Code:
xrandr --verbose --addmode VGA1 1280x720
now i can select and use the new resolution - until next reboot. after an reboot 1280x720 is again not available. even if i work with sudo - the resolution isnt there....
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Feb 23, 2011
I have installed the fedora 14, but there is no kernel source tree.I read the doc "building a custom kernel".But I don't want to rebuild a new kernel.I just want to install the source tree of current kernel.Could someone tell me the way?
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Jan 29, 2009
Config a CentOS iptables.I issued some iptables rules.the rules were effective at once.Then, I came with a "iptables-save", but the "/etc/sysconfig/iptables" file hasn't been updated, it still loads the defaults rules with CentOS after reboot.
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Feb 11, 2011
I was reading a FAQ on Fedora and it states that there is a way that I can Log Out and most importantly for me "Save Settings". Well I selected my user name in the upper right hand corner and selected Quit and then Log Out but I was never asked to "Save Settings". Where can I find this "Save Settings" thing when I log out?
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Jul 4, 2010
my problem is on installing nvidia driver on fc12 32bit but, first of all, as i understood the pae kernel requires more than 4gb of ram,i have a 2.2 ghz cpu with 2 gb ram,but when i run command:uname -r it answers: 2.6.31.5-127.PAE [i have fc12 32 bit] when we try to download linux we have a 32bit edition or 64bit edition,do we have an edition which is only for pae? or when we install for example the 32bit edition on a computer with more than 4gb of ram then the kernel automatically will change to be a pae kernel??
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Jul 13, 2009
I'm I seeing this wrong or is the initrd file in kernel-2.6.27.25-170.2.72.fc10.x86_64 a zero byte file and that's why I can't boot with it( get this "kernel panic not syncing VFS unable to mount root fs on known -block (0,0)" message)
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Apr 21, 2010
Trying to install virtualbox in F12 but fails when recompiling kernel module. Output of vbox-install log is:
Attempting to install using DKMS
removing old DKMS module vboxdrv version 3.1.6
Deleting module version: 3.1.6
completely from the DKMS tree.
Creating symlink /var/lib/dkms/vboxdrv/3.1.6/source ->
/usr/src/vboxdrv-3.1.6
DKMS: add Completed.
Error! Your kernel source for kernel 2.6.32.11-99.fc12.i686.PAE cannot be found
at
/lib/modules/2.6.32.11-99.fc12.i686.PAE/build or /lib/modules/2.6.32.11-99.fc12.
code....
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Nov 29, 2010
i want to compile the vanilla kernel 2.6.37-rc3, but i want to obtain a .rpm file. I found this guide long time ago (i used it many times) but it use src.rpm package and the contained kernel.spec file have many lines for adding patches. Someone know where can i download a kernel.spec for vanilla kernel or a guide to obtain an rpm file
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Jun 1, 2011
How to I use su to run a command, and pass arguments to that command, and not su?
ex: Code: su vmuser VBoxManage -q list runningvms I want -q to be specified to the VBoxManage command, not su. If I try any type of quotes it does not work either. Is there a way to do this?
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May 16, 2011
Boot of a new minimal system hangs on "Stopping save kernel messages" or "stopping system v runlevel compatibility". I have ubuntu minimal iso x86_64 from usb stick created with unetbootin (don't have a cd drive on the machine in question), and after that I didsudo aptitude install gnome-terminal network-manager-gnome gdm geditsudo rebootnever got a system back. Annoyingly I can't boot into the recovery mode either, and it seems the keyboard is only semi-responsive (i.e. many dead keys when at the grub menu).qualms about reinstalling, but I've done this a few times and ended up at the same place every time.
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Jun 12, 2009
there is an issue with the way the Linux Kernel addresses memory by default and the graphic drivers for my Asus G1Sn. I have a patch that I had compiled against a custom kernel for 2.6.27.xx how ever it does not work with the latest kernel in Fedora 11. It is beyond me to rewrite the patch to work with a different kernel.
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Feb 11, 2010
I use a pretty fresh installed RHEL 5.4, which should be very similar to Fedora. After the basic installation I installed xen and xen-kernel via yum with no errors. I can select the xen-kernel at boot time. But after booting the normal kernel shows up.
[root@noname boot]# uname -r
2.6.18-164.11.1.el5
My /boot/grub/menu.lst looks like:
default=1
timeout=5
splashimage=(hd0,0)/grub/splash.xpm.gz
[code]....
I can't see anything wrong and I did not change/try anything.
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Mar 18, 2010
I've been using Fedora 12 for about a month, and i'm very happy with it. Even tough, there's only one thing that worries me, and is giving me problems at the same time. I'm getting an error from: syslog@localhost that says: kernel:Uhhuh. NMI received for unknown reason b1 on CPU 0 kernel: Dazed and confused, but trying to continue. Kernel: seems to be a problem, likely on the PCI Bus
I'm not able to reproduce the problem every time i want, but, sometimes happens when i activate the snow effect combined with the cube effect, using kwin. My computer and OS specifications are: Pentium IV HT(disabled) Nvidia Geforce 8400gs 2 Gb Ram DDR2 (1xGB, 2x512) Hard Drives: 2x80GB Using Fedora 12, KDE 4.4.1, with Nvidia privative drivers, nouveau disabled
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Jan 18, 2010
My laptop has only 2GB of RAM so I don't think I need the PAE kernel, also there are some drivers that I want to install, they were built for non-PAE kernel.
So far I read that I have to change the :
/etc/sysconfig/kernel
---------
# UPDATEDEFAULT specifies if new-kernel-pkg should make
# new kernels the default
UPDATEDEFAULT=yes
[Code]....
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Nov 25, 2009
I can't play some ..... videos since I guess I don't have "latest" flash player (I do have a flash lib in /usr/lib/mozilla/plugins). I'm tired of this proprietary nonsense - is gnash or something else working with you tube and firefox ? or epithany ? how does gnash, whatever get plugged into Firefox so that clicking on a you tube video will bring it up ? Also if I have flash block installed will this interfere with gnash ?
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Feb 4, 2010
I have an issue with Fedora 12, everytime I change the Layout of the Keyboard in: Preference/hardware/keyboard and logout It goes back to default.
If I remove USA and add french canada, when I logout and login it goes back to usa & fren canada legacy.
I tried just to remove usa but it comeback everytimes.
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Mar 27, 2010
I'm able to set it up but everytime I reboot or logout it goes to the default Fedora12 picture. My pictures is in the list so have to select it everytime in system/preference/look & feel/apparence/background. I didn't find any file to edit in my home folder to fix this.
btw I'm unable to edit the menu when I right click on mainmenu icon
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Apr 4, 2010
This is pretty simple. I want to know if there is a way to save my settings in alsamixer. I hate having to have to access alsamixer everytime I boot my computer.
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Jun 29, 2010
I want to extract the audio from the following page.[URL] how i can do it?
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Nov 4, 2010
After a new installation of 64bit F14, I found that each time I changed the background, the background went back to its default after a new log in.
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