0
votes
0answers
28 views

ddrescue a failing hard drive; getting a kernel module deadlock

I'm in the process of recovering a dying hard-drive with ddrescue. The utility works very well in the parts of the drive that have not problems but in the parts of the drive with problems it goes very ...
-1
votes
2answers
79 views

All terminal windows suddenly disappear in Linux [closed]

Sorry in advance for the wall of text. I'm having a problem which is leaving me with very few clues as to what might be going on. Also, I apologize if ServerFault isn't the ideal place for this ...
4
votes
2answers
391 views

Make kernel modules available that have been deactivated on Fedora

I need some kernel modules which are available in the Linux source but deactivated on Fedora 20 and I wonder what's the easiest and most forward way to do make them available. (namely then net/CAN ...
0
votes
1answer
1k views

Disable all USB devices but keyboard/mouse/flash-drive

For security reasons, I would like to make sure no USB device can be connected to my servers running RHEL3 except keyboards, mice and flash drives. To sum up : What should work : Mouse Keyboard USB ...
0
votes
1answer
47 views

forcing linux kernel 3 to recognize cdrom as hdX

I have a problem with older version of anaconda linux installer. I have upgraded kernel in my distro, however, when this anaconda boot with this 3.4.52 kernel, can NOT find cdrom. As far as I ...
0
votes
1answer
97 views

Multiple ethernet interface on one ethernet card

First I must say that I am new in linux and maybe I will ask trivial question. My job is to create 8 ethernet interface to be visible in kernel, but all of them should send and receive data through ...
1
vote
1answer
655 views

Why Kernel Shared Memory is 0 on Ubuntu 12.04

Can any one explain to me why KSM is not working does that mean that currently my kernel is not utilizing KSM for less ram utilization. grep KSM /boot/config-3.2.0-23-generic CONFIG_KSM=y cat ...
1
vote
1answer
81 views

saving loaded kernel modules

I did the following in command line: modprobe ipt_LOG modprobe ipt_multiport modprobe ipt_state modprobe ipt_limit modprobe ipt_recent modprobe ipt_owner modprobe iptable_nat modprobe tun/tap ...
2
votes
1answer
93 views

at what level modprobe operates ? - linux

I have a machine with Ubuntu 12.04 64 bit, i have the need for blacklisting a module, i have blacklisted it in blacklist.conf but nothing happened; i have solved my problem passing ...
1
vote
2answers
120 views

File of modules list in linux

I want to know where is the file which lists all modules in Linux kernel package for specific device ID ? and where is that file (path)? pci.ids and usb.ids contain the device ID and name of device ...
0
votes
0answers
223 views

seteuid() for non-root user

On rhel5-6 I need to find a way to effectively call seteuid() for a process as a user that is not a super-user. In addition, I would also like to be able to control which uids for which calls to ...
0
votes
1answer
314 views

PPP kernel module fails to load

I am trying to deal with a problem on a server I don't normally deal with. Out of the blue a script using ppp started failing saying that the ppp kernel module is not loaded. When I try to modprobe ...
2
votes
1answer
349 views

Linux kernel module file size

I'm trying to update the kernel on a CentOS 6 machine with a vanilla 3.1.0-rc10 kernel. It seems to work, except the modules that get created are significantly larger in size than those that come ...
0
votes
1answer
123 views

Virtuozzo 3.x to Virtuozzo 4.x upgrade fail due to modules that wont unload

I have some servers that are running Virtuozzo 3.x on them still. This is VERY old and starting to cause some serious problems. The machines are leased machines in a datacenter in TX while I am in WI ...
0
votes
3answers
110 views

Can you update the Linux kernel independently of everything else?

I have a machine which started life on Linux 2.4.x, then was updated to Linux 2.6.x. Now it's been updated to Linux 2.6.18. Each time, only kernel has been updated. The same original set of tools ...
0
votes
1answer
150 views

Why do we need a compiled kernel source tree for compiling modules?

Linux kernel modules don't seem to be portable: they are compiled for a specific version of the kernel (that's why even binary drivers have some source files to be compiled). And you don't just need ...
3
votes
3answers
335 views

Where would I be able to hire someone for linux kernel hacking contract work? [closed]

The linux kernel credits are in many cases years old, and even when you find someone who seems like a logical fit (don't pester the guy who did virtual memory stuff if you want a serial driver) the ...
2
votes
1answer
40 views

Listing all compiled kernel modules between two trees?

I've got a system with two different kernel tree sources installed. One kernel boots perfectly fine, the other kernel panics from not seeing the hdd / label. How do I compare two different kernel ...
5
votes
2answers
4k views

How do I tell which kernel module is servicing a /dev device?

How do I find out which kernel module (as seen by typing lsmod) is servicing a particular device in /dev ? In other words, say I have a device, /dev/mouse0 and I want to find out which kernel module ...
1
vote
2answers
6k views

Linux says a kernel module has an unknown symbol, but another loaded module provides it

I'm trying to install a driver for a USB DAQ box, which annoyingly, I have to compile myself. I believe I've succeeded -- I have two .ko files: -rw-r--r-- 1 root root 45271 2010-03-18 21:24 ...
1
vote
3answers
2k views

Karmic iptables missing kernel moduyles on OpenVZ container

After an unsuccessful p2v migration of my Ubuntu server to an OpenVZ container which I am stack with I thought I would give a try to a reinstall based on a clean OpenVZ template for Ubuntu 9.10 (from ...
0
votes
1answer
390 views

Load usbserial twice with different arguments?

I have two USB devices and both require usbserial to be loaded in order to access them. However, One of the devices, a USB GPRS modem requires that it be loaded like this: modprobe usbserial ...
6
votes
3answers
11k views

how do I disable the nf_conntrack kernel module in CentOS 5.3 without recompiling the kernel

I'm running CentOS 5.3 and want to disable the nf_conntrack module to improve network performance for haproxy. I'm running iptables with some simple rules. I don't really need the connection ...