I have a machine with f9 clean installed and encrypted /, encrypted swap
and encrypted /opt partitions.
Of course during boot you are asked for the luks passphrase for all three
I have been able to avoid the passphrase prompt for /opt, by placing a keyfile
in /root and added this key to luks for /opt and referred from /etc/crypttab
so that /opt gets mounted during boot without the need to have user input.
That works fine.
I would like to to the same with the swap partition - but if I make a
second keyfile in /root and refer to it on the swap partition line in
/etc/crypttab in the same way as for /opt then it ignores this during boot and
asks the user for the luks passphrase for the swap partition after asking for
the passphrase for the root partition.
The /etc/crypttab line has
luks-sda6 /dev/sda6 /root/keyfileswap
where /root/keyfileswap has been added as another key to the swap partition
using cryptsetup lukesAddKey
I note from the man entry for crypttab that for swap partitions /dev/urandom
should be allowable also but changing the cryptab line to
luks-sda6 /dev/sda6 /dev/urandom
still gives a prompt to enter the luks passphrase for this swap partition
immediately after the analogous prompt for the / partition which opens fine.
Does anyone know how to fix this?
I have been trying to get my mic work with Skype and Fedora 9. Skype
only works when the device in "Sound In" is set to "ICH6,0", not the
"Default Device (default)". The test call works, but I cannot hear my voice.
The default (System-> preferences-> Hardware-> sound-> Sound Capture) is
set to ALSA. The default mixer is "Intel ICH6 (Alsa mixer)".
I tried to use the "Sound Recorder" tool to see if the mic was working,
but when I try to use, the file is saved, but again no sound.
I think the problem could be in permission to the device. Which one?
I have Fedora 9 installed on my Hp Laptop and I have Windows Vista on my other Hp Laptop. I also have Red Hat installed in a Desktop system. The issue that I have is that I can telnet OUT anywhere from my Hp Laptop that has Fedora on it but I cannot telnet in any time. I have tried everything that I could even taking the Security off the Hp Fedora. I am at a loss. I have tried to send may messages to see if anyone can hep but to no avail.
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this is somehow off-topic, but hopefully someone here has been through
I just bought a shiny new Core 2 Duo machine (Intel DG33BU mobo), with
a nice 250G SATA disk. Fedora 7 installation went surprisingly well
(and fast), only problem was that onboard NIC was not recognized, but
upgrading the kernel offline fixed this. Everything is amazingly fast
BUT... I need this machine to dual-boot to Windows XP (still addicted
to some Windows-only games =( ). XP setup CD hangs just after showing
"examining hardware configuration" or something like that. It doesn't
really hangs, it just switches to a blank screen and sits there
forever (I already left it there for more than 15min to no avail).
Keyboard is responsive and HD led stays on. CTRL+ALT+DEL reboots as
I talked to IT guys at work and they told me they've been through this
already lots of times, it seems XP is unable to properly recognize the
disk when only Linux is installed on it (?!?), and only solution would
be to reformat the whole thing and install XP first.
Is that true?
My system is configured as:
~ fdisk -l /dev/sda
Disk /dev/sda: 250.0 GB, 250059350016 bytes
255 heads, 63 sectors/track, 30401 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/sda1 * 1 13 104391 83 Linux
/dev/sda2 14 10467 83971755 8e Linux LVM
HD specs are:
~ hdparm -I /dev/sda
ATA device, with non-removable media
Model Number: SAMSUNG SP2504C
Serial Number: S09QJ1SP208120
Firmware Revision: VT100-50
GRUB is installed on MBR. All remaining space is sitting there,
waiting for XP to take over... =/
Anyone knows of a workaround? Should I try to create an additional
partition on the empty space and format it as VFAT hoping this would
make Windoze less stupid? Or am I doomed to remove all partitions and
start from scratch, starting with XP?
I've just installed F9 in my Vmware workstation 6 but I couldn't
change my defualt 800x600 resolution to 1024x768. Is VMware causing this
problem? Any Idea.
Registered Linux User# 441709.
I'm using audacity with jack under F9 to record audio coming in through
my computer's line input. Everything seems to work OK, except that no
signal appears in the input VU meter or in the displayed waveform. The
recording is silent. A little web searching turned up this snippet:
Audacity doesn't support PulseAudio, nor Esound for the moment.
You'll have to kill or suspend pulseaudio before you use this
application. Audacity uses the PortAudio cross-platform Audio
API which doesnt support pulseaudio. Some work was started on
making portaudio support PulseAudio but this does not appear to
be under active development currently and does not work in it's
In F8 under KDE, I was able to stop the aRts sound server, and record
successfully. F9 with Gnome appears to use both PulseAudio and EsounD.
It's easy to stop PulseAudio, using something like:
pasuspender -- audacity <argument>
but there doesn't seem to be any way to stop EsounD.
Has anyone used audacity successfully with jack? Or any other way?
I am trying to get a Canon LBP2900 laser printer working under F9.
Alas, the driver is (apparently) closed and not included in the Caps
package, which might be a reason to avoid this printer, but be that as
it may, one can download a Linux driver easily enough from Canon:
These are the latest RPMs:
2007-12-03 08:49 cndrvcups-capt-1.60-1.i386.rpm
2007-12-03 08:49 cndrvcups-common-1.60-1.i386.rpm
Once installed, CAPS automatically recognizes the printer and selects
what appears to be the correct driver:
Canon LBP2900 CAPT ver.1.5
Likewise, the printer shows up properly in dmesg:
usb 1-4: new high speed USB device using ehci_hcd and address 26
usb 1-4: configuration #1 chosen from 1 choice
usblp1: USB Bidirectional printer dev 26 if 0 alt 0 proto 2 vid 0x04A9
usb 1-4: New USB device found, idVendor=04a9, idProduct=2676
usb 1-4: New USB device strings: Mfr=1, Product=2, SerialNumber=3
usb 1-4: Product: Canon CAPT USB Device
usb 1-4: Manufacturer: Canon
usb 1-4: SerialNumber: 0000A380HGkZ
but if I try a test page, nothing happens. The only indication that
something is wrong is this error message repeatedly displayed in dmesg:
usblp1: error -32 reading printer status
Any ideas what is going on here?
Okay so this is way off topic but I need some help. I tried doing a
Google search but I don't know enough to get my query right.
I have several external components that I would like to come on when my
computer comes on. I would also like them to go off when my computer goes
off. Some sort of electronic switch that I could plug in to one of my
PC's spare 4 pin power plugs work work fine.
To make things a little more complicated (and Linux related) I would also
like this. I have a water cooling system with a variable voltage water
pump. It would be nice if I could simply poll lmsensors and have a
program bump up the voltage until the CPU is below a certain temperature.
Does anyone know where I should start? I don't mind wiring up something
myself as long as I know what components I should be looking at.
Thanks for the help in advance.
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I could use a little help with ps and grep. When running a command like:
# ps -ewf | grep sendmail
root 2730 1 0 Jul14 ? 00:00:01 sendmail: accepting connections
smmsp 2739 1 0 Jul14 ? 00:00:00 sendmail: Queue runner@01:00:00 for /var/spool/clientmqueue
root 6500 6362 0 07:51 pts/3 00:00:00 grep sendmail
Is there any way to run this command and get these results, but exclude
the actual grep itself, which is the last line?
A little background, I have a java based application that I've used a
custom start and stop script for. Basically the stop script does:
for pid in `ps -efww | grep myapp | grep -v grep | cut -b 10-15`;do
kill -9 $pid
This has worked for years, but for some reason it has stopped working. I
think it may be because the process is killing itself before it kills
I assume the correct way to do this is store the pid in a file that you
reference, but I haven't figured out how to do that yet.
Any help is appreciated.