Questions tagged [kernel-modules]
104 questions
4
votes
1 answer
iptables kernel module missing after upgrade from Ubuntu 18.04 -> 20.04
After a release upgrade from Ubuntu 18.04 to 20.04 (focal), the iptables kernel module is missing:
root@server:~# iptables -L
modprobe: FATAL: Module ip_tables not found in directory /lib/modules/5.4.0-42-generic
iptables v1.8.4 (legacy): can't…
fzeidler
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3
votes
1 answer
How to keep custom kernel modules on kernel updates installed?
I've got a NIC (Asus XG C100C) that is not properly supported in the current Linux kernel. Hence, I installed driver which I compiled from source. Every time when the kernel is updated, I have to reinstall it and copy the atlantic.ko to…
SDwarfs
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3
votes
1 answer
ZFS on Linux: How do I correctly configure the vdev_id.conf file and trigger vdev aliasing?
I have been trying to get ZFS on Linux to read / process the vdev_id.conf file and give me a /dev/disk/by-vdev directory, to no avail.
I have a SAS HBA with redundant connectivity to several hard drives.
I have read the documentation but I am not…
Sam Alsalem
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3
votes
0 answers
How to get x86_energy_perf_policy // linux-tools-* for Linux kernel 4.7.0-xyz
I am using pstate-frequency to set our server cpu's frequency. This tool needs the x86_energy_perf_policy which is provided by the linux-tools-common package.
Using the distributions standard kernel I could simply install…
Flatron
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3
votes
0 answers
Automatically build kernel modules after unattended upgrades in ubuntu
For automatic upgrades I has installed unattended-upgrades package and configured it.
After each unattend kernel upgrade I must run following commands to recompile iscsi kernel modules:
apt-get install linux-headers-`uname -r`
apt-get install…
vskubriev
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3
votes
2 answers
iptables drops packets after POSTROUTING
I have a malware analysis environment that will intercept traffic to arbitrary domains and Internet services using InetSim. I have a sandbox that has its DNS server set to the InetSim instance, and InetSim will answer any DNS query with its own IP…
Matt
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3
votes
3 answers
how (linux kernel) network modules gets loaded without modprobe.conf
how (linux kernel) network modules gets loaded without modprobe.conf
I have fedora distribution installed and can see e1000e module loaded automatically in the system.
Is there a configuration which specifies to load this module automatically ??
I…
kumar
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3
votes
1 answer
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 from the distro RPM. Thats an issues, because the…
tMC
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3
votes
3 answers
Where would I be able to hire someone for linux kernel hacking contract work?
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 contact information is no longer valid.…
John O
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3
votes
1 answer
How can I add `snd-aloop` kernel module on public Debian 10(buster) image provided by GCP?
Background
I am trying to enable snd-aloop module on a Compute Engine instance running public Debian 10 (buster) image provided by GCP.
Output of uname -a:
Linux *** 4.19.0-18-cloud-amd64 #1 SMP Debian 4.19.208-1 (2021-09-29) x86_64…
raidensan
- 131
- 4
3
votes
0 answers
How to find out which kernel module opened a socket?
When I try to find the process for an opened socket using e.g. ss I get the following output:
❯ sudo ss -tulpen
Failed to open cgroup2 by ID
Failed to open cgroup2 by ID
Netid State Recv-Q Send-Q Local Address:Port Peer Address:Port…
sneusse
- 131
- 2
2
votes
2 answers
What do the modified times under Debian's /sys directory mean?
Earlier today I did a full system image restore from backup. Shortly thereafter when I ran:
# find / -type f -printf "%TY-%Tm-%Td %TT %p\n" | sort -r
I noticed the files under /sys directory had just modified. Moreover, they were almost within the…
James Bowery
- 158
- 6
2
votes
1 answer
ZFS not installed into upgraded kernel (4.19)
I want to use the latest kernel (currently 4.19) with Ubuntu Server 18.04, and I also want to use ZFS.
Although ZFS appears to install correctly, it apparently does not get installed into the right kernel. Is there something additional I need to do…
Stonecraft
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2
votes
1 answer
RHEL7.4 and DRBD 9.0/8.4 Installation
I have a fresh RHEL7.4 Server installation on which I'm trying to install DRBD 9.0 from elrepo.
My server is running the latest kernel: 3.10.0-693.1.1.el7.x86_64, yet kmod-drbd90 wants to install kernel 3.10.0-514.26.2 as a dependency:
--->…
keyboard_banger
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2
votes
2 answers
How can I manage kernel modules built from source in Debian?
I am installing Debian squeeze on a brand-new Mac Mini, and the Broadcom NIC in it only works with the latest tg3 module from Broadcom. I can build this module easily enough, but performing a manual build and overwriting the tg3.ko that comes with…
Phil Frost
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