Ubuntu Installation :: Kernel For Support For The Aes-xts-plain64 Cipher Spec?
Jun 13, 2011
I have had for a test installed Feodora but was so silly checking the box for encryption the HD. Now I tested all for removing Feodora (no data anymore on the disc) but even the test unlocking this from my ubuntu system failed with the following error:Error unlocking device: cryptsetup exited with exit code 251: Command failed: Failed to setup dm-crypt key mapping.Check kernel for support for the aes-xts-plain64 cipher spec and verify that /dev/sdb2 contains at least 508 sectorsI installed some encryption packages in the meantime - but non was helpful.Would some kind person - who understands this better than I - please provide the detailed steps needed to mount and unlock the encrypted Feodora installed hard disc. Maybe one of you know which packege I have to install.
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Jun 6, 2011
I've been using pdfTk to encrypt PDFs for distribution to unsophisticated users (that is, users without PGP keys or the will to get one). RC4 encryption, although reasonably adequate for my use, is relatively insecure. I would be more comfortable with AES. Have any gnu tools emerged that implement AES within a PDF container?
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Nov 29, 2010
i want to compile the vanilla kernel 2.6.37-rc3, but i want to obtain a .rpm file. I found this guide long time ago (i used it many times) but it use src.rpm package and the contained kernel.spec file have many lines for adding patches. Someone know where can i download a kernel.spec for vanilla kernel or a guide to obtain an rpm file
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Dec 14, 2010
In 10.04 I was using the following commands to mount an encrypted disk image:
Code: sudo losetup -f Which tells what loop back device block is available Then I'd type:
Code: sudo losetup -e aes /dev/loop0 /home/user/crypt.img and then enter the device's password
Code: sudo mount -t ext4 /dev/loop0 /media/crypt I've tried this in 10.10 and it hasn't been working (I can't remember if I did anything in 10.04 to make it work). I've installed the loop-aes-utils package and restarted my machine. Every time I try the 2nd step, after entering the password I get: Code: ioctl: LOOP_SET_STATUS: Invalid argument, requested cipher or key length (128 bits) not supported by kernel
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Mar 12, 2011
This is from Centos 5.5 so I apologize to anyone who may be offended.I installed my system and it came with kernel 2.6.18-194.el5. I installed the src.rpm of this kernel with rpm, patched, and built it. Then I did a yum -y install kernel.i686 which installed kernel-2.6.18-194.32.1.el5.centos.plus.src.rpm. Since this was a yum install, why doesn't this new kernel version show in the BUILD and SPEC directory?
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Feb 19, 2010
I'm experimenting with a load balancing setup and have found some pretty good guides, but they all assume that ipvs support is built into the kernel already. e.g. http://www.howtoforge.com/high_avail...apache_cluster
So of course "modprobe ip_vs_dh" simply outputs "FATAL: Module ip_vs_dh not found."
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Jan 20, 2010
I was wondering if there's a way for me to get real-time kernel support on regular Ubuntu 9.10 through some sort of update. I know Ubuntu Studio has a real-time kernel, but I'd prefer not to use it. I'm a fan of the original Ubuntu.
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May 13, 2010
I just installed the latest version of Ubuntu 10.04 LTS, and am wondering if support for my dual AMD processors is built into the generic kernel, or do I need to compile a custom kernel? I have an HP tx2-1025dx touchsmart.
[Code]....
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Oct 13, 2010
I have a PCI SCSI controller with this chipset that was working fine in 10.04 to drive a Polaroid Sprintscan 35 Plus scanner. Having just run the upgrade to 10.10, the scanner is no longer being seen. If I go into the controller BIOS the scanner is seen there, and running lspci shows the controller as
Code:
SCSI storage controller: LSI Logic / Symbios Logic 53c875 (rev 04)
Running
Code:
sudo modprobe -l | grep "sym"
shows only
Code:
kernel/drivers/scsi/pcmcia/sym53c500_cs.ko
kernel/drivers/scsi/sym53c416.ko
kernel/drivers/usb/serial/symbolserial.ko
Seems like support for the 53c8xx chipset has disappeared?
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Jul 10, 2011
I'm trying to find out when QME2572 (Qlogic) card became support by the kernel. We have a RHEL 5.1 system that is moving to new hardware, however the kernel at this release doesn't support the new hardware, due to the Qlogic card change. I tired the Redhat KB and Bugzilla. Is there a Kernel change list etc I can search. Never really played around with the kernel too much so I'm just after some pointers for looking up this information. Offically its not supported until Redhat 5.3, I'm trying trying to research kernel info so I can tell the customer they have to upgrade.
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Mar 28, 2010
I've a PowerMac G4 MDD that has OS X Leopard on it. I have repartitioned it to accommodate an Ubuntu install. However, I have no Disk Drive in the G4, it was broken so I removed it. Now I have an iBook G4 I have tried using an ubuntu cd on to install to the said PMac in TDM, but of course after reading the Ubuntu kernel doesn't support install to firewire by default. Can someone help me by compiling a Cd image I can use to accomplish this or tell me how without the use of another linux box?
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Sep 12, 2010
I'm not a mathematician or cryptographer, only an end user of the technology trying to determine the "best" or safest future proof option to go with for long term archival while also maintaining reasonable performance with dual opteron ~2GHz or similar setup. I've noticed aes-cbc-essiv seems to be the default choice in various installers for reasons of backwards compatibility while others are moving towards XTS since the standardization.
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Apr 17, 2011
I build simple spec file and build rpmI transfer the new rpm to other Linux machine in order to install the new rpmaccording to the spec file the new rpm -> test.sh-6.2-2.i386.rpm should create the /tmp/MY_RPM_TESTS directory , but this rpm not create the MY_RPM_TESTS and sub directoriesplease advice why , what I need to fix in the spec file? RPM installation:
[root@linux1 rpm -Uvh /root/rpmbuild/RPMS/i386/test.sh-6.2-2.i386.rpm
Preparing... ########################################### [100%]
This is preinstall script
[code]....
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Apr 18, 2011
Trying to make sense of this Linux stuff, by trying to install Fedora 14. First impressions are it?s a parallel universe populated by those who hark back to the era of Windows 3.1 / DOS, and earlier, where command line instructions and messing around with .ini files was all the rage. Which might all be a great little hobby to go back to, being more 'at one, and intimate' with my machine and learning a new skill to take some pride in, but all it means so far is my patience is being really tested by needing to learn it all from scratch!
The installation guides seem to suggest that if your graphics card is not good enough then the installation will default to the text based one. Which is what happened in my case. I can get to the login prompt after the installation, but that's the point where it gets really frustrating in having my machine think it?s a mid 1980s Commodore 64 or something!! Never mind PEEK and POKE, I just want to THUMP or KICK it.
I read somewhere I should start X Start to start the GUI. Nope, x start or xstart doesn't do anything. I then read that only works if I had installed X Windows. Can't find where or how I install X Windows though! I then read, as I say, things default to purely text if your graphics card is not good enough, but then I can't find anything about what the minimum spec is. Seems odd that a card that can cope with Windows can't work with a system as basic as linux/fedora with its frustrating command line-intensive way of working.
- what the minimum graphics card spec is to enable GUI?
- how to install this X Windows thing?
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May 1, 2011
i have a program which have to encrypt data by using a symmetric block cipher with cbc encryption mode . it seems, that the IN data length must be a multiple of the cipher block length. is there a possibility to advice libgrypt to do the padding of the IN buffer automatically or must i do this manually? in case of manual padding: what is the recommended strategy to perform high security? fill with zeros or random numbers
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Feb 23, 2010
I'm trying to figure out why Apache is ignoring SSL Cipher statements when placed inside a Virtual Host. Specifically I'm trying to disable SSLv2 and only allow SSLv3 or TLSv1
In httpd-ssl.conf I have the following
Code:
And when I try and connect, I get the expected results.
Quote:
In my virtual host statement I have
Code:
The only difference between the two is the httpd-ssl.conf has -ALL in the CIPHER, and the virtual host entry has ALL. However if I try and change the ALL statement in the virtual host entry to -ALL I get the following error in my logs & get no content.
Quote:
Why it's not working in the virtual host statement? Unfortunately as many of you are probably aware it's impossible to gain PCI certification with SSLv2 enabled.
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Sep 22, 2010
How do you find what typs of crypto ciphers are supported.? I've dumped out /proc/crypto, which lists out a bunch of types, but none of the names listed seem to work. So far I have only got a couple types to work, the default(when I don't supply cryptsetup any cipher type) aes-cbc-plain and aes-ecb.
Since I don't even see aes-cbc-plain in /proc/crypto
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Feb 26, 2016
I had a pretty much standard installation according to some tutorial (I don't remember, which one) for courier, including ssl. After upgrading from Wheezy (7) to Jessie (8) everything continued working fine, excep ssl connections to pop or imap.
In the log I get this error message while connecting to imapd-ssl:
Code: Select allFeb 26 20:16:22 mx imapd-ssl: couriertls: connect: error:1408A0C1:SSL routines:SSL3_GET_CLIENT_HELLO:no shared cipher
First I thought there got some chiphers removed from default configuration. But even when I try to allow all protocols and all ciphers:
Code: Select allTLS_PROTOCOL="SSL23"
TLS_CIPHER_LIST="ALL"
And then test via s_client:
Code: Select all# openssl s_client -connect 127.0.0.1:993 -cipher ALL
CONNECTED(00000003)
3073349308:error:14077410:SSL routines:SSL23_GET_SERVER_HELLO:sslv3 alert handshake failure:s23_clnt.c:770:
---
no peer certificate available
---
No client certificate CA names sent
---
SSL handshake has read 7 bytes and written 341 bytes
---
New, (NONE), Cipher is (NONE)
Secure Renegotiation IS NOT supported
Compression: NONE
Expansion: NONE
---
TLS over STARTTLS is also not working and does not invoke a log-entry. So I want to solve the ssl-problem first. I guess the STARTTLS-problem is automatically solved then.
My update procedure was:
Editing /etc/apt/sources.listapt-get updateapt-get upgradeapt-get dist-upgradeKeep all configuration files regarding courier.
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Jan 8, 2010
I am installing a new large 4 Tb RAID (hardware) under 9.10. Does GPT support come by default in the new 9.10 kernel? How can I check? I gather I need to use PARTED to make a GPT partition table on the raid. Anyone know details of how to do this? [URL]...
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Oct 16, 2009
Does this mean kmod-xfs is no longer needed in centos 5.4 x64?
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Feb 18, 2010
I just want to know what is the default Fedora 32 bit kernel - does it support more than 4G memory. I would like to save myself from compiling custom kernel and all following fiddling (nvidia drivers, virtualisation software etc) and 64bit OS is not for me - too many apps that I need are missing, of poor quality or need more manual intervention. Actually if bigmem / whatever it is called is configured in the default kernel, this may be the reason to switch. I intend to use 4 to 8 GB memory and it's a desktop, so server builds (like Ubuntu) are not for my taste.
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Aug 31, 2010
A while back I compiled a custom kernel, 2.6.35. I forgot to add UDF support when configuring and compiling. Will I need to re-compile the kernel to get UDF support or is there some other way I can add it?
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Apr 4, 2010
I am in verse to perform TCP Traffic Tests and need to know if guest OS has SMP kernel support. How can we know if guest OS has SMP kernel support?
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Jul 8, 2011
I use Slackware 13.37 32-bit version on ThinkPad X60s. I compiled two Window Maker dockable applications monitoring the processor temperature, fan speed, and battery status: wmpower (see: [URL]) and wmlenovo (see: [URL]). Both these applications refuse to work.
wmpower displays the messages:
Code:
CPU frequency scaling available
No power management subsystem detected
No power management support...
wmlenovo displays the message:
Code:
No ACPI support in kernel
Did I missed something obvious during the configuration of the system and ACPI doesn't work for me or there's some more serious problem with my system?
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Nov 15, 2010
I am a long time (1.something) slackware user and maintainer of a mirror site.I'm suddenly having problems with my favorite distro. (1) I've been mainly running Slackware64. When I was experiencing recent problems on a Slackware (32) 13.1 system, I discovered the huge-smp kernel does not support more than 4G of RAM. This is an obvious bug, and I am shocked that there is no fix out yet. Surely I can't be the only Slackware 32 user with >4G of RAM. I've verified it on a 12G i7 system and an 8G Athlon64-X2 system.
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Sep 14, 2010
How i can do disable support SMBus for kernel? What is parameters of kernel-config do enable SMBus?
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Nov 1, 2010
I have been unable to boot my CoreExpress Atom Z530 based board from flash, because my 2.6.31.6 kernel does not seem to have support for the (US15W chipset) IDE controller configured. I have read many web links that point to CONFIG_PATA_SCH as the key, but that does not work for me. I _can_ boot RedHat 2.6.18-164.e15 which does not have CONFIG_PATA_SCH configured, but I believe they are using initrd.
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Nov 13, 2010
I am currently considering upgrading my system to
[URL]
with
[URL]
and I have done some research on the Realtek ALC892 chip and I am unsure if it will work. I am currently running Linux Mint 10.
I see that Realtek offers a driver but I have not found anybody who had success or if it was built into the Kernel.
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Apr 28, 2010
I want to know what kernel varaints different distros of linux support. As of now, I am downloading OS and running:
rpm -qa kernel-*
to find out if it supports smp,PAE, xen or default kernel.Is this right way to check?
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May 18, 2010
I'm using asus usb n-11 wireless adapter.Default kernel module drivers/staging/rt2870sta.ko hasn't id of my adapter. Please add this two strings to next kernel release
--- drivers/staging/rt2870/rt2870.h 2010-05-18 13:09:13.262882659 +0400
+++ drivers/staging/rt2870/rt2870.h 2010-05-18 12:10:20.000000000 +0400
@@ -85,6 +85,8 @@
[code]....
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