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a/kernel-generic-6.10.9-x86_64-1.txz: Upgraded. a/kernel-huge-6.10.9-x86_64-1.txz: Upgraded. a/kernel-modules-6.10.9-x86_64-1.txz: Upgraded. ap/texinfo-7.1.1-x86_64-1.txz: Upgraded. d/kernel-headers-6.10.9-x86-1.txz: Upgraded. d/python3-3.11.10-x86_64-1.txz: Upgraded. This update fixes security issues: Bundled libexpat was updated to 2.6.3. Fix quadratic complexity in parsing "-quoted cookie values with backslashes by http.cookies. Fixed various false positives and false negatives in IPv4Address.is_private, IPv4Address.is_global, IPv6Address.is_private, IPv6Address.is_global. Fix urllib.parse.urlunparse() and urllib.parse.urlunsplit() for URIs with path starting with multiple slashes and no authority. Remove backtracking from tarfile header parsing for hdrcharset, PAX, and GNU sparse headers. email.utils.getaddresses() and email.utils.parseaddr() now return ('', '') 2-tuples in more situations where invalid email addresses are encountered instead of potentially inaccurate values. Add optional strict parameter to these two functions: use strict=False to get the old behavior, accept malformed inputs. getattr(email.utils, 'supports_strict_parsing', False) can be used to check if the strict paramater is available. Sanitize names in zipfile.Path to avoid infinite loops (gh-122905) without breaking contents using legitimate characters. Email headers with embedded newlines are now quoted on output. The generator will now refuse to serialize (write) headers that are unsafely folded or delimited; see verify_generated_headers. For more information, see: https://pythoninsider.blogspot.com/2024/09/python-3130rc2-3126-31110-31015-3920.html https://www.cve.org/CVERecord?id=CVE-2024-28757 https://www.cve.org/CVERecord?id=CVE-2024-45490 https://www.cve.org/CVERecord?id=CVE-2024-45491 https://www.cve.org/CVERecord?id=CVE-2024-45492 https://www.cve.org/CVERecord?id=CVE-2024-7592 https://www.cve.org/CVERecord?id=CVE-2024-4032 https://www.cve.org/CVERecord?id=CVE-2015-2104 https://www.cve.org/CVERecord?id=CVE-2024-6232 https://www.cve.org/CVERecord?id=CVE-2023-27043 https://www.cve.org/CVERecord?id=CVE-2024-8088 https://www.cve.org/CVERecord?id=CVE-2024-6923 (* Security fix *) k/kernel-source-6.10.9-noarch-1.txz: Upgraded. TEE n -> m +AMDTEE m +AMD_PMF m +AMD_PMF_DEBUG n Thanks to nick8325 for the suggestion. l/qt5-5.15.15_20240903_363456a6-x86_64-1.txz: Upgraded. x/noto-emoji-2.042-noarch-1.txz: Added. isolinux/initrd.img: Rebuilt. kernels/*: Upgraded. usb-and-pxe-installers/usbboot.img: Rebuilt.
99 lines
3.5 KiB
Text
99 lines
3.5 KiB
Text
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Slackware initrd mini HOWTO
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by Patrick Volkerding, volkerdi@slackware.com
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Mon Sep 9 00:37:53 UTC 2024
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This document describes how to create and install an initrd, which may be
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required to use the 4.x kernel. Also see "man mkinitrd".
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1. What is an initrd?
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2. Why to I need an initrd?
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3. How do I build the initrd?
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4. Now that I've built an initrd, how do I use it?
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1. What is an initrd?
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Initrd stands for "initial ramdisk". An initial ramdisk is a very small
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Linux filesystem that is loaded into RAM and mounted as the kernel boots,
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and before the main root filesystem is mounted.
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2. Why do I need an initrd?
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The usual reason to use an initrd is because you need to load kernel
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modules before mounting the root partition. Usually these modules are
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required to support the filesystem used by the root partition (ext3, ext4,
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btrfs, xfs), or perhaps the controller that the hard drive is attached
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to (SCSI, RAID, etc). Essentially, there are so many different options
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available in modern Linux kernels that it isn't practical to try to ship
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many different kernels to try to cover everyone's needs. It's a lot more
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flexible to ship a generic kernel and a set of kernel modules for it.
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3. How do I build the initrd?
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The easiest way to make the initrd is to use the mkinitrd script included
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in Slackware's mkinitrd package. We'll walk through the process of
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upgrading to the generic 6.10.9 Linux kernel using the packages
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found in Slackware's slackware/a/ directory.
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First, make sure the kernel, kernel modules, and mkinitrd package are
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installed (the current version numbers might be a little different, so
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this is just an example):
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installpkg kernel-generic-6.10.9-x86_64-1.txz
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installpkg kernel-modules-6.10.9-x86_64-1.txz
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installpkg mkinitrd-1.4.11-x86_64-35.txz
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Change into the /boot directory:
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cd /boot
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Now you'll want to run "mkinitrd". I'm using ext4 for my root filesystem,
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and since the disk controller requires no special support the ext4 module
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will be the only one I need to load:
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mkinitrd -c -k 6.10.9 -m ext4
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This should do two things. First, it will create a directory
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/boot/initrd-tree containing the initrd's filesystem. Then it will
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create an initrd (/boot/initrd.gz) from this tree. If you wanted to,
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you could make some additional changes in /boot/initrd-tree/ and
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then run mkinitrd again without options to rebuild the image. That's
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optional, though, and only advanced users will need to think about that.
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Here's another example: Build an initrd image using Linux 6.10.9
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kernel modules for a system with an ext4 root partition on /dev/sdb3:
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mkinitrd -c -k 6.10.9 -m ext4 -f ext4 -r /dev/sdb3
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4. Now that I've built an initrd, how do I use it?
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Now that you've got an initrd (/boot/initrd.gz), you'll want to load
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it along with the kernel at boot time. If you use LILO for your boot
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loader you'll need to edit /etc/lilo.conf and add a line to load the
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initrd. Here's an example section of lilo.conf showing how this is
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done:
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# Linux bootable partition config begins
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image = /boot/vmlinuz-generic
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initrd = /boot/initrd.gz
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root = /dev/sda6
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label = Slackware
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read-only
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# Linux bootable partition config ends
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The initrd is loaded by the "initrd = /boot/initrd.gz" line.
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Just add the line right below the line for the kernel image you use.
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Save the file, and then run LILO again ('lilo' at the command line).
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You'll need to run lilo every time you edit lilo.conf or rebuild the
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initrd.
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Other bootloaders such as syslinux also support the use of an initrd.
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See the documentation for those programs for details on using an
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initrd with them.
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---------
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Have fun!
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