Debian Configuration :: Installing Wireless From Disk?

Dec 17, 2010

How can I load packages from the cd? I installed from cd1 which I burned on a desktop, then installed Lenny onto a laptop. Works great, no problems except I have no way of connecting the laptop other than wireless.
I've found the network manager package on the cd, but don't have a clue how to install it. I really need to get the wireless working so I can install package manager, wi-fi radar and some other things. I tried putting the disk back in and thought rescue mode might bring me back to where I could select the individual packages I need, but that didn't work, it just wanted to go through another install. Thought there was a way to select individual packages and add them to the installation.

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Debian Configuration :: How To Restore My Debian's Grub After Installing Windows 7

Sep 5, 2010

I have installed Windows 7 on my laptop . Now, it directly boot from Windows 7 . I think the MBR overwrote my grub . I have found two methods by google , but still does work .
1: boot from debian install CD, Alt +F2 switch to the console. "grub " "root (hd0,0)" "setup (hd0,0)".
2:boot from CD, mount /dev/scsi/host0/bus0/target0/lun0/part1 /mnt ; chroot /mnt ; grub-install /dev/sda.

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Debian Configuration :: Hibernate To Disk Not Restoring

Mar 9, 2011

I have Debian 6 (squeeze), I have also seen this under Ubuntu (can not remember how I fixed it). (has worked in ubuntu 10.10)I can hibernate, but when I switch on the system cold boots (it does not restore previous session).Note suspend works fine. Have looked in /var/log/pm-suspend.log Shows for each block of suspend suspend a block of resume suspend, but hibernate hibernate is not followed by resume hibernate ( I assume that is what is expected.)

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Debian Configuration :: In Grub Disk Changed From Hd0 To Hd1?

Apr 26, 2011

We had a server failure this morning because grub was throwing error 15 (file not found). We discovered that the disk had changed names from hd0,0 to hd1,0. Making the appropriate replacements in menu.lst fixed the problem, but I'm still wondering what could have caused the spontaneous name change.

here are some other possibly related tidbits: * the server had been down because of a power loss, but it is behind a UPS so i doubt there is any electrical damage * eth0 also temporarily failed but the system failed over to eth1

My current theory is that when the bios was configuring the hardware the loss of eth0 shuffled around the addresses of the remaining hardware on the pci bus, which somehow caused the hd0/hd1 confusion. The problem is that everything i've read [URL] says that the drive assignment should be based on the way the disk is connected to the motherboard (which in this case didn't change)

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Debian Configuration :: /var Disk Space Is Completely Out?

Jul 11, 2011

I have deb6 installed in VMWARE ,i am posting my fstab config file

/dev/mapper/debian-root / ext4 errors=remount-ro 0 1
# /boot was on /dev/sda1 during installation
UUID=0e7bc1e7-4f8c-4dee-a6e9-ae6d0669755e /boot ext2 defaults $
/dev/mapper/debian-home /home ext4 defaults 0 2


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Debian Configuration :: Hard Disk Won't Stop Spinning Up / Down

Feb 11, 2015

I've bought a new notebook. The hard drive won't stop spinning down and then spinning up again during load. I don't want HD power saving, so I disabled it within

1. /etc/hdparm.conf
Code: Select all# -B apm setting
apm = 255
# -B apm setting when on battery
apm_battery = 255

It didn't work. I can still hear the HD spin up. It's annoying in a video game because things just suddenly stop for a second.

2. /etc/udev/rules.d/50-hdparm.rules

Code: Select allACTION=="add", SUBSYSTEM=="block", KERNEL=="sda", RUN+="/usr/bin/hdparm -B 255 -S 0 /dev/sda"

This was also every tip I could find during RTFM.

Other specs:

Acer Aspire E5-521G-88A8 Notebook
AMD A8-6410 APU
AMD Radeon R5 2 GB VRAM
hdparm model number: ST1000LM024 HN-M101MBB

Debian Jessie

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Debian Configuration :: Jessie WD Disk Mount Fail

Aug 20, 2015

A few days ago I upgraded from debian 7 to 8. First I update, upgrade and dist upgrade - change source list and again update, upgrade and dist upgrade.When inserting a USB disk on key, it works okay. When plugging my WD "My passport" backup USB disk it does not work. The automatic mount works, but the disk can be accessed.I tried to do it manually in a format that worked on debian 7..Manual mount fails too.

umount My passport
fdisk -l (to see device name)
mount -t vfat -o rw /dev/sdb1 /media/kuku/usb_mp4
dmesg | tail
[ 2381.080822] sd 9:0:0:0: [sdb] No Caching mode page found
[ 2381.080828] sd 9:0:0:0: [sdb] Assuming drive cache: write through


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Debian Configuration :: Creating LUKS Encrypted USB Disk

Jan 15, 2016

Is it better to install LUKS to raw disk (/dev/sdb) or disk partition (/dev/sdb1)? What are best LUKS options?

"cryptsetup benchmark" output
Code: Select allPBKDF2-sha1      1310720 iterations per second
PBKDF2-sha256     862315 iterations per second
PBKDF2-sha512     590414 iterations per second

[Code] ....

Is slow hash better or how to choose it? It is clear that aes-xts is best choise. Is 265 bit key good?

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Debian Configuration :: Data Pool - ZFS Disk Labeling

Jan 31, 2016

I created my data pool using /dev/disk/by-id and things went well. a recent view of zpool status however showed /dev/sdb and /dev/sdc being used instead. how can I be sure a rearrangement of my disks wont cause error?

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Debian Configuration :: How To Get A Virtual RAID Image Disk

Feb 20, 2016

How can i get a RAID virtual image disk?

What i need is to mount several directories from any other partiton (or file system) as a new merge file system that can grow or decrease depending on the free space. As if it was a dinamic RAID,so i can work with huge files distributed over the partitions mounted.

Ejemp: /mnt/sda1/dir_raid1 + /home/dir_raid2 + /mnt/sda3/dir_raid3 ---> /mnt/RAID/

mhddfs and unionfs <---- are not the solution im searching (cant use huge files)

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Debian Configuration :: Missing Disk Space / Get It Back?

Feb 19, 2010

I seem to have a major discrepancy between what df reports and what du reports. df tells me that I am using 20G, but I am only able to find 9.5G using du. What follows are the ls -l of root, a df of my system, and the du for every directory in root that is not a symbolic link, mnt, or proc. I would appreciate any suggestions on where to look for the remaining 10.5G that seems to have disappeared.
I am running under VM Player code...

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Debian Configuration :: Use A Whole Disk Or A Partition In RAID Array?

Aug 31, 2010

concerning Linux, mdadm, and creating RAID Array's in Debian. I've done a lot of reading and research on RAID both on this board and elsewhere (The Linux Documentation Project's Software-RAID HOWTO is especially good), but I've run across something that no one seems to explain, and I'm not sure why. I'm instructed to create partitions on the drives I wish to add to my array. These partitions inevitably take up the whole disk, and are always have their system IDs set to "Linux raid autodetect". What I don't understand is why, after creating these partitions, some guides then go on to create an array (say a RAID5 one) with just the disks themselves as members, while others go on to create the RAID5 array with the previously created partitions as members. E.g.,

mdadm --create --verbose /dev/md0 --level=5 --raid-devices=4 /dev/sda /dev/sdb /dev/sdc /dev/sdd
mdadm --create --verbose /dev/md0 --level=5 --raid-devices=4 /dev/sda1 /dev/sdb1 /dev/sdc1 /dev/sdd1

What's the advantage of using one over the other?

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Debian Configuration :: Flash Disk And CDs After Complied New Kernel

May 18, 2011

im am new in compiling kernel, i had kernel 2.6.32-5 on debian 6 , so i compiled kernel , my system can boot and up but i have a problem with flash disk and CDs and DVDs , now i cant mount these cases, in compiling i select CD-ROM /dvd filesystem and Dos/fat/NTFs filesystem too

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Debian :: Installing From A Mini SD Card (usb Stick Disk)?

Aug 23, 2011

I recently purchased a camera with a 2GB Mini SD flash card. It has a usb card reader and works well. Is it possible to use that as a usb stick (disk) for installation? I want to burn the netinstall iso and also use the rest (partition the card) as storage for the camera if it can be done.

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Debian Configuration :: PXE Boot Server - Adding ISO Disk 1 To PXE And Win10

Feb 24, 2016

I'm trying to setup a PXE server with Jessie. I've got the basic setup working by following the steps at [URL] .... That part was really easy. I would like to make the process as automated as possible and then add Win7/10 to the system as well.

The first hurdle I've come across is the fact that netboot downloads everything off the repositories. This has the potential to use up a lot of bandwidth and I would like to avoid this if possible. The first idea I came across was to create a local mirror, this way not only will I be installing everything off the LAN but I'll also be getting all the updates for my systems off the LAN too. I wasn't too keen on this. The other option that I read about was to use the debian ISOs instead.

What I have tried is to copy the Debian ISO to /var/www/html/debian

Then, when my boot via the pxe, i set the option to manually select a repository and then i type in the IP address for my webserver for the address and type in /debian for the mirror directory.

However it breaks at this point. I get a message saying "Downloading a file failed"

I would prefer the as much of the install to come from the ISO as possible to keep bandwidth usage to a minimum.

For Win10, I read that I have to use an AIK to build the Winpe and then boot that. Then I can load the Windows10 ISO via nfs through Winpe.

Code: Select allroot@DHCP:/srv/tftp# cat pxelinux.cfg/default
UI menu.c32
LABEL Debian 8
   kernel linux
   append vga=normal preseed/url= initrd=initrd.gz --

LABEL Windows 10
   kernel ??
   append ??

LABEL HardDrive Boot
This is a preseed I have setup so far

Code: Select all#### Contents of the preconfiguration file (for jessie)
### Localization
# Preseeding only locale sets language, country and locale.
d-i debian-installer/locale string en_US

[Code] ....

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Debian Configuration :: Raid 5 Recovery After Mistakenly Removing Disk?

Aug 12, 2010

I've got an 8-disk raid-5 setup, and one of the disks failed. I shut the system down, replaced it, and powered the box back on again. Then, I made a catastrophic mistake; I 'failed' and removed the wrong disk (should have been sdj1, and I typed sdk1 by accident). I tried to re-add sdk1 back to the raid array, but it got listed as 'spare'. My raid array is off-line, since I now have 2 disks unavailable.

I know that the data still exists on sdk1, is there any way I can get the raid array to recognise the fact that it's a valid part of the array, and not a spare disk? At least if I can do that, I'll have a degraded but accessible array, and then I can rebuild the array on the properly replaced disk.

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Debian Configuration :: Sata Disk Write Speed Is Very Slow

Sep 14, 2010

I got a new machine with GA-p55A-ud3 mobo and a WDC WD10EARS 1T disk. When I tried to benchmark the disk IO, I was suprised by the low write speed:

[Children see throughput for 1 initial writers = 35962.63 KB/sec
Parent sees throughput for 1 initial writers = 35962.63 KB/sec
Min throughput per process = 35962.63 KB/sec


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Debian Configuration :: Periodic Disk Activity With System Being Idle

Jan 12, 2011

I keep noticing disk activity every roughly 1 to 3 seconds even though there is "nothing" going on. Of course, I run a number of "system" and "user" application packages - Apache2, MySQL, Browsers (Opera, IceWeasel), an SMB client and server, OpenOffice 3.0RC8 being the most prominent ones. I wonder what might be the cause for this constant disk activity which happens even when none of the applications do any noticeable work at all. Is there a way to determine the process that does those disk read/writes?

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Debian Configuration :: Unknown Root LV In Gnome-disk-utility ?

Jul 24, 2011

Gnome-disk-utility doesn't show filesystem type, mount point, filesystem label, size of my / filesystem.

I am running Debian Squeeze using lvm2. I have two HDDs and each has one primary partition, which are used as PVs. Having two VGs, each VG has it's own PV.

There are some LVs and all of them except the LV holding the swap space are formatted with XFS. Now gnome-disk-utility shows everything about my /home LV, another LV containing a whole Ubuntu installation, only the / LV (and Swap LV, but I don't know what it is supposed to show there) is/are missing nearly all information.

Otherwise the system is running perfectly well and the Debian / LV is shown normally in Ubuntu's disk-utlity, as well as all other LVs.


Physical volume

Volume group

Volume group


Logical volume

Logical volume

Logical volume

Logical volume

Logical volume

DebianCopy is a copy of my Debian installation (different fs label and UUID). DebianII (again different UUID and label) is a copy too, but there I tried out newer (testing) versions of udisks/lvm2/udev and right after the upgrade it showd everything as it should with the additional advantage of the newer udisks-version showing my VGs, but after a reboot it showed the same behaviour as before or even worse, because the information about other LVs was missing too.

In the end I even modified the fstab. Originally it contained the /dev/mapper/vgbay... entries and I replaced them with LABEL=... and finally with UUID=..., but it didn't make any difference either.

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Debian Configuration :: Installing Anything New On System

Jun 11, 2010

I came across one strange problem. When I try to install a new package on my system, I get this error, connected with libgnutls26:


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Debian Configuration :: Installing With A Later Kernel ?

Sep 10, 2010

My girlfriend got a 'new' (second hand) laptop, a HP Compaq 6715s. When I tried to install Debian on it, the install went immensely slow - glacial, even. It was a very minimal install but it tooks hours to get to nowhere.

I found out online that this was because of a problem between the current kernel and the hard drive (or HD bus, something hardware-y to do with the disk) which meant file operations were extremely slow. I thought "easy, patiently install Debian and then install newer kernel". Except that after six hours, the install wasn't even halfway.

So I install Arch Linux with the 2.6.35 kernel: no problems with the drive speed at all. After a lot of researching (I only played around with Arch once, more than a year ago) I got the system into a usable state. But now wlan0 has suddenly disappeared, together with some other problems - and a usable laptop wasn't exactly what I had in mind, it was supposed to be awesome (or at least good). Which, with Debian, it would be

So... is it possible to make a Debian installation use a later version of a kernel? I'd want to install Debian with the 2.6.35 kernel, not install Debian and then afterwards update the kernel (because I don't have 24 hours to install an OS, if it'll ever even install).

I've found some stuff online but it might well have been written in the Cyrillic alphabet. All I understand, I think, is that in theory it's possible.

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Debian Configuration :: Installing Packages From 5 DVD Set

Dec 7, 2010

I have downloaded the entire Debian 5-dvd set. I want synaptic, apt-get and aptitude to first check online if there's a new version of the packages selected to install, if there's a new version, then get the packages online and install, if not, then ask to insert the corresponding dvd and install from that. Is there anyway to configure this?

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Debian Configuration :: Installing The KVM From Source?

Jul 9, 2011

I have a fresh install of Debian Squeeze AMD64 which I'm trying to install KVM on. I have no idea what I'm doing so I figured someone on these forums might be able to explain it. I have already verified VT support and enabled it in the bios. I have googled and read about KVM installation but everything I can find is either confusing or doesn't work. Also I am trying to install it from source because I want to experiment with modifying it later.

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Debian Configuration :: Jessie LVM - Full Disk / Large Logs And GParted

Sep 23, 2015

So, my issues since upgrading to Jessie seem to compound. When I fix one issue, two more arise. Right now, I have a full system disk. How it got so full. So I started poking around. I ran

Code: Select all find / -type f -size +50M -exec ls -lh {} ; | awk '{ print $NF ": " $5 }'

Found a few files I could delete, and did, but I also found Code: Select all/var/log/syslog.1: 33G
/var/log/messages: 33G
/var/log/user.log: 33G

What I find strange is that they're all exactly 33G each. So that accounts for the missing 99GB I deleted them, however only recovered 27Gb. Whats weird is when I type df -h I get

Code: Select allFilesystem      Size  Used Avail Use% Mounted on
/dev/dm-0       106G   74G   27G  74% /
udev             10M     0   10M   0% /dev
tmpfs           3.2G  9.7M  3.2G   1% /run
tmpfs           7.9G     0  7.9G   0% /dev/shm
tmpfs           5.0M  4.0K  5.0M   1% /run/lock
tmpfs           7.9G     0  7.9G   0% /sys/fs/cgroup
/dev/sda1       228M   27M  189M  13% /boot
/dev/sdb1       1.9T   62G  1.8T   4% /media/ntfs
tmpfs           1.6G     0  1.6G   0% /run/user/0

What are the tmpfs's and how can I reclaim that space, and what is /dev/dm-0 and why is that taking up so much space?

I have 2 LVGs vgdisplay -v

Code: Select allroot@SETV-007-WOWZA:~# vgdisplay -v
    DEGRADED MODE. Incomplete RAID LVs will be processed.
    Finding all volume groups
    Finding volume group "WOWZASERVER"

[Code] ....

After deleting the log files, I was able to regain access to my GDM session. But I still cant find out what /dev/dm-0 is, and where all the 75 GB is being taken up.

I just noticed, however, even though I can access the drive A-OK via browser, terminal, and web services (Our wowza) when I enter gParted I get this error for sda, my primary OS drive!

Code: Select all  Libparted Bug Found!

Error informing the kernel about modifications to partition /dev/sda2 -- Invalid argument. This means Linux won't know about any changes you made to /dev/sda2 until you reboot -- so you shouldn't mount it or use it in any way before rebooting

Now that I'm in gParted I see 3 partitions: [URL] ....

It reports now, that I have used ALL of my disk space.

Post Log delete, and fresh reboot, this is what Code: Select alldf -h outputs

Select all Filesystem      Size  Used Avail Use% Mounted on
/dev/dm-0       106G  8.7G   92G   9% /
udev             10M     0   10M   0% /dev
tmpfs           3.2G  9.8M  3.2G   1% /run
tmpfs           7.9G   80K  7.9G   1% /dev/shm
tmpfs           5.0M  4.0K  5.0M   1% /run/lock

[Code] ....

What the heck is going on?

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Debian Configuration :: Where Hard-disk Power Management Can Be Found In Squeeze

Feb 19, 2010

I am trying to figure out where the harddisk power management can be found in Squeeze. Before it was in the scripts under /etc/acpi, but in Squeeze it's not. I'd like to be able to change the hdparm -B value from 128 to 200 when using battery.

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Debian Configuration :: Extremely Slow Transfer Rate On Flash Disk ?

Jul 12, 2011

Same computer and flash. Two results on different OS:

Write speed under debian: 0.4 MB/s

Write speed under Windows: 6.6 MB/s

From what i've been reading on the net I guess it's something to do with the mount - sync option.

I've notice that there are couple of workarounds but all of them are pretty tedious.

Is there any simple (GUI - one/two clicks) tool that allow to mount/unmount flash disk easily using the correct options?

I'm using Squeeze 6.0.2 (Kernel 2.6.32-5-amd64), gnome 2.30.2

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Debian Configuration :: Installing Libpam-systemd

Aug 12, 2015

I upgraded my machine from Wheezy to Jessie, opted to not install systemd yet. When i try to upgrade kde-plasma-desktop, apt doesn't let me do it.

For some reason "libpam-systemd : Depends: systemd (= 215-17+deb8u1) but it is not installable"

Installing systemd-shim doesn't work. Libpam-systemd package site gives impression that you would be able to use systemd or systemd-shim.

Tried looking through changelog, but it didn't really give any hint.

At 215-6 there are just
Code: Select allSwitch libpam-systemd dependencies to prefer systemd-shim over
    systemd-sysv, to implement the CTTE decision #746578. This is a no-op on
    systems which already have systemd-sysv installed, but will prevent
    installing that on upgrades. (Closes: #769747)
Version of libpam-systemd that would be installed is "Candidate: 215-17+deb8u1"

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Debian Configuration :: Installing Kernel Headers?

Feb 3, 2010

I'm trying to install vmware server 2 on my lenny and first I must install the kernel headers but I'm having troubels with it.

apt-get install linux-headers-`uname -r`
Reading package lists... Done
Building dependency tree
Reading state information... Done
E: Couldn't find package linux-headers-

I have even tried with apt-get install linux-headers- but same thing Searching apt-cache search linux-headers- shows nothing.

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Debian Configuration :: Installing MySQL 5.1 In Lenny

May 17, 2010

I've been trying to install MySQL in Lenny via source binaries, following the instructions given on the MySQL official website[url]

But when i try to run the scripts/mysql_install_db --user=mysql command, doesn't work.

For the record, i'm particularly interested on installing MySQL with the generic source binaries.

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Debian Configuration :: Installing Via Apt Applications On Usb Drive

Sep 8, 2010

I have installed a core debian install on the NAND on a little ARM dockstar, which is fine as a slow little media storage server but really i need to put squeezebox server on it and my media collection. Theres no issue slapping in a 2.5 usb HD in to the dock with my media on ... the issue i have is i do not have room in nand for the server application/associated dependancies (plus a lot of read/write issues if i put them in nand) so i am wondering if its possible to ammend the configuration somehow to have apt automatically install the server software (a pig to do manually with all the dependancies) to the USB HD (rather than the default nand paths) without affecting the operation/dependancies in the core install in NAND

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