Debian Configuration :: How To Add A File To Initrd
Dec 13, 2015
I have an encrypted root and encrypted boot drive... To avoid entering a passphrase multiple times I'd like to add a keyfile for my root drive to my initrd... I've done this in Arch and it was relatively simple but I've hit a road block in debian finding the analog processes...
Code: Select all#Part 1) Generate the keyfile, give it suitable permissions and add it as a LUKS key:
dd bs=512 count=4 if=/dev/urandom of=/crypto_keyfile.bin
chmod 000 /crypto_keyfile.bin
chmod 600 /boot/initramfs-linux*
cryptsetup luksAddKey /dev/sdX# /crypto_keyfile.bin
[Code] ....
Code: Select allupdate-initramfs -v -k -u all
What is the analog to Part 2 (and Part 3 if I'm wrong about how to regenerate the initramfs...)??
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May 18, 2010
When I compile a custom kernel with this command: make-kpkg --initrd kernel_image kernel_headers and then install the .deb, there's no initrd in /boot and I have to create it manually. I've thought that the --initrd option should take care about this, but somehow it doesn't.
It behaves like this for about two years at least (since I've compiled my first kernel). Of course, it's no big deal to create it manually, I was just wondering whether do I do anything wrong or whether should I fill a bug report..
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Aug 23, 2011
I have some errors when run the mount -all command: mount: wrong fs type, bad option, bad superblock on /dev/sdc5, missing codepage or helper program, or other error In some cases useful info is found in syslog - try dmesg | tail or so Failed to open /proc/filesystems: No such file or directory
[Code]..
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Apr 17, 2011
I have compiled the linux kernel. My bzImage is 1,14 mb big
Anyway. It's only 2 programs i need and it's Python and Busybox. I have compiled python and busybox and put them together in a folder. Busybox is 146 kb and pyton is 4,4 mb.
But how do i make an initrd file of them? Or should a make an initrd file of them?
I get this error when a runt with a compiled busybox to gz format as initrd, and without initrd.
Quote:
VFS: Cannot open root device "sda1" or unknow-block(0,0)
Please append a correct "root=" boot option; here are the available partions:
Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0)Pid: 1, comm: swapper Not tainted 2.6.38.3 #1
Do you know how to make an initrd?
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May 19, 2010
I am attempting to PXE boot Redhat 5.4 and load the OS into RAM. Here is how far I have gotten so far:
I have successfully configured my DHCP, TFTP, and PXE servers. The PC that is booting up Redhat 5.4 is able to get a DHCP IP address from the server, grab the kernel and initrd from the TFTP server, and boot up from there. I have this setup working if I store the root file system on a NFS share on the server and use the kernel's NFSROOT parameter. Long story short, I now need to get this same setup working without using NFS if possible. I have spent several hours google searching how to create a RAM disk (initrd) that also contains the root file system. I must be searching the wrong keywords. Anyway, based on what I have read so far, I need to do the following:
1. I need to pass different kernel parameters. It needs to look something like:
2. It seems like newer versions of initrd are created using the cpio tool. So would this simply be a matter of booting to my hard drive that has Redhat 5.4 loaded on it and running:
To create the RAM disk with a root file system attached to it? I have a feeling it has to be more complicated than that but I just cannot find any sites that specifically explain what would be involved with creating an initrd file that can also be used as the root file system.
3. Would I need to modify the init script (many sites call it "linuxrc") at all in order to accomplish what I want to do? For example, I found this site:[url]
My understanding of this page is that you have to create a linuxrc script that basically does the work of decompressing the file system into /dev/ram0 and mounting it to /root. Is something like this actually needed?
4. The kernel must have certain parameters set such as enabling RAM disk support.
I have most of this setup working. I just need to figure out how to basically store the contents of the OS on the TFTP server and then tell the kernel to load that OS into memory. Based on what I have read, this should be possible (otherwise, how do Live CD's work?).
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Sep 7, 2010
What command do I need to use to view the /casper/initrd.lz file on a live USB? Here's what I know about initrd.img in /boot on standard installations:
Code:
zcat /boot/initrd.img-2.6.xx.xx-generic | cpio -iv
Now, what's the equivalent for initrd.lz files?
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Aug 17, 2015
There is this bug in the latest version of Ubuntu, which is also Jessie, which is:
Can't copy a file from SMB share to the local file system: Software caused connection abort
The problem, apparently, is that newer versions of Samba hit servers with multiple requests at the same time, and for some reason the Zyxel and Iomega boxes can't handle this. The best solution they've come up with is to modify the smb.conf file on your server to include this setting: "max mux = 1".
Here is the reference material on this bug: [URL] ....
People who develop samba have fixed it in the latest version but neither the ubuntu nor Debian have released the fixed version of nautilus, as of yet. Here, is the reference: [URL] ....
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Aug 7, 2011
initrd.lz is a Lzip file in the casper directory of the Ubuntu install iso.
I'm having trouble finding a program that will extract it.
Lzip - fails
file-roller fails
How to extract it?
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Feb 14, 2011
i am using linux for couple of years. suddenly i a question arises in my mind. Before loading kernel during booting linux box initrd image loads necessary real mount point, file system, modules etc. but how initrd loads them ?? is there predefined modules list stored in initrd image or something else....what is the background procedure of it
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Dec 1, 2015
I have encountered a bug in the live-build in Debian Live. The persistence does not work it is because of the bug #767195. I cannot recreate another live img file because of bandwidth problem, is there any way to repack the initrd and enable the cryptsetup?
as per suggested:
#767195 – cryptsetup needs to be enabled for initramfs inclusion – Debian Bug report logs
On Wed, Oct 29, 2014 @ 18:09, Evgeni Golov <evgeni@grml.org> wrote:
....
Edit: Line 77 -79 @
# nano /usr/lib/live/build/chroot_hacks
[Code] ....
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May 11, 2011
When we boot the kernel before loding the main file system it loads the temp file system through initrd how that initrd image works.
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Oct 9, 2010
When I installed Debian stable on a headless machine of mine, I configured a partition with LUKS encryption (intended for swap), but told the installer not to use it. After installation, I configured that encrypted partition as swap and mounted it. I wanted my headless machine to boot all the way without manual intervention, so I can log in via ssh and mount my encrypted partitions.However, since the kernel was updated (and the initrd regenerated), the machine now waits during boot for me to enter the swap encryption password, but no others, only the swap.I have been unable to find in my searchings how the initrd is generated with that setting or how I can change it, preferably permanently so future regenerated initrd's don't try activating my encrypted swap on boot. Does anyone know how to configure a Debian style initrd generator to generate an initrd that will not try to activate swap?
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Feb 25, 2010
So I'm building a custom kernel cuz I want the fbcondecor patch in my kernel. I use the same .config that 2.6.32 debian kernel package comes with. This kernel runs perfectly. I pass --initrd to make-kpkg when building the package but no initrd is built when I install it so I have to make it using "mkinitramfs -o /boot/initrd.img-2.6.33 2.6.33" to get it to boot. Now when I try to build the nvidia drivers it complains it can't find the source. I did build kernel_headers and installed them also the source is in /usr/src/linux. I also tried to specify the path by passing --kernel-source-path= to the nvidia script but no change. What is going on? I've done this fifty times before and never had any problems. Has there been some changes to how debian kernel packages are built? EDIT: Just thought I'd add some info about the steps I took.
Code:
tar xjvf linux-2.6.33.tar.bz2
ln -s linux-2.6.33 linux
cd linux
patch -p1 < ../fbcondecor-0.9.6-2.6.33-rc7.patch
cp /boot/config-2.6.32-trunk-686 ./.config
make menuconfig Loaded .config then I removed support for maxtorfb, tile blitting and some sirrusfb thing, nothing thats relevant to my system. Changed cpu from Pentium 4 to Core 2 and added framebuffer decor
support from my patch, exited and saved. Then:
[Code]....
EDIT2: I have now tried to build 2.6.32.8 in the same way with the same strange results, anyone have any thoughts as to what I'm doing wrong just throw it at me, I'm getting desperate and running out of ideas. I've checked all the kernel source symlinks and everything looks good.
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Feb 24, 2009
I'm running Debian testing and after a recent software update, suddenly I can no longer boot into my single Linux kernel image anymore. I did look at the software update before I did it and I don't believe that it removed any software packages. When I try to boot into my linux 2.6.26-1-amd64 image, I get the following message from grub:"error: unknown command `initrd'"..The same error appears if I try to boot into single-user mode. I have a Windows XP partition on the same hard disk and I am still able to boot into that from grub. I've searched the net and haven't really found my same problem replicated anywhere. I would imagine that the problem is just that somehow the initrd package got removed in my last software update, but again I don't recall seeing any software that the update planned to remove.
Any thoughts on how I would go about fixing this problem? Since I'm unable to get into Linux at all, I imagine I'll have to use a LiveCD to get in and fix the problem, but I don't know where to begin looking.
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Sep 29, 2010
I recently installed office 2007 under wine, but since I have it no longer know what to open .doc or .xls files with, I was using Gnumeric but now when i go to Properties -> "Open with" there is no longer anything in the list and even when i attempt to add to the list nothing comes up. If anyone know what way you can manually add file types and associate them with programs
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Jul 31, 2015
I'm trying to resize tmp file using gparted. So I used gparted live cd and then i resized the tmp file but delete the old /tmp partition without backup. Now, my pc do not start. I have Debian 8.
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Aug 17, 2010
Does anyone know how to make the file colours appear different for each file type in the shell like happens in ubuntu?
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Feb 6, 2011
How to make a directory or files created in a directory by anyone be assigned a specific group name?
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Aug 1, 2011
I'm using Xfce 4.8, which now provides built-in samba browing in thunar. This works like a charm. I can browse a samba share (external HD connecter to router via USB). Yet it appears to me now that the support is limited to thunar. I mean double clicking on a file allows me to open/edit that file if and only if the software itself has samba support. In practice, double-clicking on a movie opens it with vlc thanks to vlc's own smb support. Even then, I can't find a way to add the subtitle file. I reckon that to use the share transparently, I would need to mount it the "mount" way. Either on a mount point like /mnt/hard_drive or something like .gvfs/hard_drive.
Is my understanding correct ? Is that my only option? Considering the disk won't be switched on at startup, fstab is not the solution. Would gigolo be the right choice? I spent some time trying gigolo a few days ago, following an easy tuto found on the web and it didn't work as expected. If needed I could give it another try.
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Sep 17, 2010
I have installed vmlinuz and initrd.gz (squeeze) in /boot/newinstallation and added to Grub the lines:titleNova Instalaçãoroot(hd0,0)kernel/boot/newinstall/vmlinuzinitrd/newinstall/initrd.gzNevertheless, when I choose this option at the grub, it begins to start the kernel vmlinuz and thus restart the system. The installed Debian Lenny boots in a normal way.
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Feb 26, 2010
I've been working on the setup of a FTP server on my Debian system for the whole afternoon. But I can't get it straight! Normally I get it working in just a second, but it's been a while I guess.
I installed only proftpd-basic and it's default dependencies. Should be enough right?
My configuration files are as follows:
I created the user zeitgeist, gave it a password, group and a homedir. Group of the user is nogroup and the homedir is correct with the 755 permission. My port 21 for FTP is open I tested it with nmap -p 21 [ip-address].
My Filezilla client tells me that at first he is connecting, then the connection is established, And then the connection is closed by server.
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Aug 2, 2010
I am using Debian Lenny as my server to host multiple databases.
Whenever, I used to add a new database, I used to add an IP address like eth0:test in the /etc/network/interfaces file.
Today when I tried to do the same, I got an error when I tried to start the interface by typing "#ifup eth0:test". I also tried to do in this way "#ifconfig eth0:test up" but both of then yielded the same error saying "/sbin/ifconfig: no such file or directory".
The path is valid and the files are also present there. There are ifup, ifdown, if and ifconfig files in the /sbin directory. I also checked the permissions which is root:root. But still I cannot find the problem.
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Aug 15, 2010
I am running debian lenny running apache (latest) i am trying to make a webserver. i put the index.html file in my www folder. it shows up when i go to my site (localhost) i put an index.php file in my www folder and when i try to go to my site it Downloads the index.php file instead of showing it.
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Jan 3, 2011
I have 2 windows pc's in my home and an office computer that have my files strewn about. I wanted to have them all in one central location that keeps a backup copy, so i used an old machine to start building a file server. I installed debian 5.0 on the machine, command line interface only. I have gotten ssh working so that i can do all my work on the box from one of my windows pc's by logging in with putty.my current problem is how to easily use the box hard drive for storing my files in an easily accessible way. i'm still working on getting samba to work so that i could map the /home directory to a drive letter on my two home pc's, but i'd also like to access files from my work pc. Before i do that, though, i wanted to know if this is safe and secure to map a drive on a remote machine through the internet? Are there any other security concerns I need to be addressing by having this file server set up?
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Feb 18, 2011
I'm developing with puppet, and I need to do an aptitude update from a specific file, here is my configuration: The file sources.list in /etc/apt/ is deleted. I've created 3 files in /etc/apt/sources.list.d each one with their repos:
00-debian_sources.list
deb http://ftp.fr.debian.org/debian/ lenny main contrib non-free
deb-src http://ftp.fr.debian.org/debian/ lenny main contrib non-free
[code]....
All the repos are updated/refreshed , and I only want to refresh/update the specific repos insie of the file 01-debian_security_updates.list. On the other hand if I put some repos in the sources.list and delete the 3 files and I create an external file for example in /tmp/temprepo and I do the command aptitude update -o dir::etc::sourcelist=/tmp/temprepo it works fine.give some workaround to update and then upgrade packages from the files specified in my config.
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May 19, 2011
About configuring my sources.list file.
The default file was:
To which I have added this: deb [url] stable all
Today I decided to include again Debian Volatile and discovered that it doesn't exist anymore and that I can get the same packages using this line: deb [url] squeeze-updates main
And the first question is: is this the same than debian-security?
Then, I decided to use [url] to make things less confused, and this was the output:
The first line is Ok. The second line, I guest it's the same than my second line. But, the third, is something different. So, the main question is: what is the difference between squeeze-proposed-updates and squeeze-updates? Are those repos completely separated from squeeze/updates (in security.debian.org)? And, what else should I add to have an always up-to-date and secure system?
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Aug 19, 2011
A recent update to Iceweasel 5 (version 5.0-6 ) on my debian (Linux xxxxx 3.0.0-1-amd64 #1 SMP Sun Jul 24 02:24:44 UTC 2011 x86_64 GNU/Linux) led to a rather odd an annoying behavior. Each time I try to open an external file (pdf, odt) or to save a file on the hard drive, then Iceweasel crashes systematically. Does anyone experience the same? Any idea of how to fix this?
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Jul 13, 2009
I'm I seeing this wrong or is the initrd file in kernel-2.6.27.25-170.2.72.fc10.x86_64 a zero byte file and that's why I can't boot with it( get this "kernel panic not syncing VFS unable to mount root fs on known -block (0,0)" message)
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Aug 26, 2015
I work in a compagny and i encounter a problem with the samba trash.When i delete a file from our network directory, the file don't move to the samba trash directory. But, the server create the same samba tree like the orginal file. It's more simple with a example.This is the file i delete to my samba tree S:departementgestion_informatiqueinformatiquecommut est.txt.This is the samba tree that the server create at the moment when i delete my file : @IPcorbeilledepartementgestion_informatiqueinformatiquecommun
The problem is here : We want the file test.txt into this trash tree and it isn't.This is the Samba trash configuration :
# Samba Trash
#--------------------------------------------
# http://samba.org/samba/docs/man/Samba3-HOWTO/VFS.html
[code]....
The samba trash work for an another site of our company.
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Dec 3, 2015
I am trying to configure samba for a stripped down file server. I am running debian with command line only. My problem is that I cannot unmask samba.
See below:
root@debian:/home/aaron# service samba status
â—Ź samba.service
Loaded: masked (/dev/null)
Active: inactive (dead)
I have tried "sudo systemctl unmask samba.service". I receive no errors however it does not actually unmask. I can't find anything online regarding a service stuck on masked status.
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