Questions tagged [kernel-parameters]
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139 questions
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How to capture boot steps
I have a linux-box.
My hdd is nvme, hence boot is fast. I need to analyze each line of after grub.
Can I pass a kernel parameter to capture my boot lines?
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Brave browser full sandboxing = How to achieve full green brave://sandbox/?
I am new to the concept of Sandboxing. I run Linux Mint Debian Edition 7 with kernel 6.12.48+deb13-amd64, and just installed the Brave browser. At this moment I am trying to enable all sandbox ...
- 31.3k
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Can I deny the root access to the user keys in the Kernel key retention service?
I know the Linux kernel has a key retention service even though I haven't used it myself.
I'm constructing a system where anybody with root cannot check the keys in that service that were registered ...
- 233
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Problem with touchpad lag running Linux on X1 carbon gen 7
I bought this second hand laptop one month ago (Lenovo X1 carbon gen7) and I started installing Arch Linux on it and I noticed there was a problem with the touch pad. The touchpad works at the end but ...
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Additional steps for blacklisting compiled in kernel drivers
I am having a conflict with third party moxa driver mxupcie and the default linux 8250_moxa which is compiled in. I have been following this thread but still having issues.
-bash-4.2$ lspci -vvv -s8a:...
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Disable a scsi drive on linux without a physical ex
Similar question was asked here. I have a SATA disk connected to a SAS2308 HBA and there is backplane. Is there any way i can make the linux system ignore the disk at boot.
# lsscsi -v
[0:0:3:0] ...
- 121
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How to fix or get rid of BadDLLP warnings (Correctable PCIe Bus Error) flooding my logs?
First off, this question is not a duplicate of Why is journalctl reporting "PCIe Bus Error" BadTLP and BadDLLP? because instead of asking what is causing this kernel warning, I directly ask ...
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Passing an unlocked LUKS partition context from GRUB to Linux?
Question
In GRUB one can use the cryptomount command to mount a LUKS partition.
Is there a way to pass this decrypted partition to linux such that it appears as a device mapper (/dev/mapper/xxx) entry ...
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Redirect console to ttyUSB0
I'm trying to redirect the console to ttyUSB0, with the idea of later disable tty1, but I'm not getting anywhere....
I've added
GRUB_CMDLINE_LINUX="console=tty1 console=ttyUSB0,19200n8r"
To ...
- 123
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Impact of disabling kexec_load_disabled kernel parameter
According to the documenation of the kernel parameters kexec_load_disabled,
This value defaults to 0 (false: kexec_load enabled), but can be set
to 1 (true: kexec_load disabled). Once true, kexec can ...
- 128
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Undefine CONFIG_BLK_CGROUP macro while building linux kernel image
I am wanted to build a custom kernel image in which macro CONFIG_BLK_CGROUP is not defined. After researching a little bit I found we can do such configurations in .config file.
To be more precise I ...
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Understanding the “memmap” Linux parameter
I'm trying to understand the “memmap” parameter from the Linux kernel
(see The kernel’s command-line parameters),
in particular, the following options:
memmap=nn[KMG]$ss[KMG]
[KNL,ACPI] Mark ...
- 193
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Boot a kernel of debian installer with expert mode
I want to reinstall my VPS with the debian's official repository, instead of with the image provided by the VPS operator(I don't trust the VPS operator).
On original system I installed debian-...
- 203
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Setting user passwords via kernel parameter
What is the correct syntax to use these bits of information from systemd manual:
systemd-sysusers(8) will look for the credentials passwd.hashed-password., passwd.plaintext-password. and passwd.shell....
- 953
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modprobe: FATAL: Module dm_mod not found in directory /lib/modules/6.6.16
I have built a custom kernel and given a CONFIG_LOCALVERSION of -grant-nvme during compilation. However, when I try to boot into it, no matter what I do, grub seems to look for /lib/modules/6.6.16 and ...
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