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Actually I am just trying to build up a cluster(beowulf) in which there is a modification required in /sbin/lilo for reflecting the access to master node by slave node after it goes up . I changed the /etc/lilo.conf.anaconda file for timeout=1200 , but unable to find the /sbin/lilo file to get result of added linux.Please help me that where do i verify that the modificaion is been implemented??....I am working on RHEL 4.
lilo was the boot loader of Linux a long time ago.
As far as I can tell, all distributions have moved to using grub as default instead, as it is much more robust. With lilo, the risk of ending up with a non-booting system were much higher.
It seems you are following an extremely outdated manual?
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IS there any way to find what commands we have run in linux server apart from history command
is there any log file where i can see what are commands i have run
unfortunately my ~/.bash_history is clear
On linux distributions and installations I encountered: no, it's not possible. Even .bash_history is storing only bash history (and some administrators can (and will) use other shell(s)) and has usually set a limit so sometimes gets truncated. You would have to write and configure such utility yourself.
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I want to modify sched.h to add in some scheduling algorithm. I use find / -name sched.h command finding a lot of results.But which one should I really modify ?
And in /usr/src,there are a lot of relating folders whose names are similiar. I'm using ubuntu14.04. Where are my real source code?
use uname -a to see which kernel you are currently running. After that, i would edit the /include/linux/sched.h for that kernel.
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The specific package I'm referring to is trac-1.0.1-1.sdl6.noarch.rpm. According to this page:
http://www.rpm.org/max-rpm/ch-rpm-file-format.html
it seems to be part of the package release version. The fact that "sdl" does not appear in my /usr/lib/rpm/rpmrc file also suggests that it's not related to the architecture.
If you search google for sdl6, just about every hit is the name of an RPM package. Nowhere, however, could I find an explanation of what it means.
That's the distro tag (for CentOS normally el#). In this case sdl appears to be for Springdale Linux.
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Closed 9 years ago.
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I'm looking for a way to see if a kernel module is really used, in my case aesni-intel.
I see that it's loaded in lsmod|grep aes and also used by other aes modules and crypto helper.
But i can't see if tools like cryptsetup or libreswan ipsec are using the module.
I see that the performance is better when loaded but sometimes that's not enough.
I also tried "perf top" and i see that aes_enc_blk is called but that's no ensurance either.
So if anyone has any idea how to achieve this, besides patching the linux kernel to log something when aesni-intel is called, i would appreciate it.
thanks
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I recently made the following (i believe important) changes to my system
Actually I was following this tutorial to use something called Linux Containers.
So can you tell me if any of the following stuff is capable enough to crash my system ?
1. Making changes to /etc/fstab or
2. mount /cgroup which will try to mount cgroups automatically or
3 making changes to etc/network/interfaces or
4 making changes to /etc/resolv.conf
A typo in fstab can definitely make a system un-bootable. However, you should be able to boot from CD, mount the HD, and fix it.