Re: Will this in-place conversion from LEGACY/MBR RAID1 boot to GPT/EFI boot work

2025-10-06 Thread David Christensen
On 10/6/25 18:13, Ram Ramesh wrote: Hi,   I have an old machine that I installed with MBR/legacy BIOS/RAID1 So, RAID1 in the motherboard chipset? What motherboard? What chipset? What Setup settings? on two intel nvme 2TB SSDs. Model numbers? Luckily, RAID1 is on a partition and

Re: Should I encrypt servers at my home lab?

2025-10-06 Thread David Christensen
On 10/6/25 05:36, Greg wrote: On 2025-10-06, David Christensen wrote: On 10/5/25 05:12, Greg wrote: On 2025-10-05, David Christensen wrote: Encrypting "at-rest data" is the starting point -- e.g. the disks are powered off and an adversary tries to access the computer and/or di

Re: Might NOT be a Debian problem

2025-09-24 Thread David Christensen
On 9/24/25 17:13, Van Snyder wrote: This might NOT be a Debian problem but this list almost surely has knowledgeable correspondents, so here goes… I upgraded my computer with a new MSI Z90 board, I do not see a "Z90" motherboard on the MSI web site (?). Please provide a URL. Is your moth

Re: Problems with SMR hard drives

2025-09-24 Thread David Christensen
On 9/24/25 10:38, Nicolas George wrote: Andy Smith (HE12025-09-24): It's not normally hard in 2025 to tell from specs what is and isn't an SMR drive though. A pointer would be appreciated. Seagate UK publishes a list of CMR vs. SMR, etc., drives: https://www.seagate.com/gb/en/products/cmr-

Re: OT: Insight into speed of dd seeks and skips

2025-09-17 Thread David Christensen
On 9/17/25 18:32, rhkra...@gmail.com wrote: Background: I'm vaguely thinking (maybe not very seriously) of writing my own tester for things like SD/TF cards and flash drives to confirm the capacity. The approach I'm thinking of would be something like this (assume a 256 GB card for an example).

Re: Specialized disk directory tools

2025-09-14 Thread David Christensen
On 9/14/25 05:31, mick.crane wrote: On 2025-09-12 22:43, David Christensen wrote: I use Xfce, which includes the Thunar file manager.  Searching the various menus and context menus, playing with the path edit box, etc., I am unable to determine how to search for a file (?).  STFW I see

Re: Synching between servers?

2025-09-13 Thread David Christensen
On 9/13/25 12:41, Tim Woodall wrote: Do people auto synch files between servers and, if so, how do they manage ssh keys? 1. Key is unprotected (only readable by root) 2. Key is manually loaded into agent after a reboot. 3. Job is run from a third host using forwarding. 4. Something else? I'v

Re: Specialized disk directory tools

2025-09-12 Thread David Christensen
On 9/12/25 02:38, Richard Owlett wrote: My current environment is Debian 12, MATE, Caja file manager. SeaMonkey 2.53.21 is my browser. While searching my disk for a one PDF I discovered I had:  1. multiple copies of that file.  2. copies of similarly named files I was preparing to download. C

Re: Failing Hard Drive, or False Alarms?

2025-09-10 Thread David Christensen
On 9/10/25 10:30, Bruce Halco wrote: A couple of weeks ago I upgraded to trixie.  Since then I've gotten a number of messages like Device: /dev/sda [SAT], 8 Currently unreadable (pending) sectors and Device: /dev/sda [SAT], 30 Offline uncorrectable sectors These seem to come within a day or so

Re: OT: Best kind of distro for SSD?

2025-09-06 Thread David Christensen
On 9/4/25 01:41, riveravaldez wrote: Hi, I have been reading something around and thought the Debian community was a good place to have some recommendations on this subject. Seems to me that SSDs are more prone to deteriorate than classic HDD, so, less the use more the duration, let's say. I

Re: Aw: Re: RAID & Backups

2025-09-05 Thread David Christensen
On 9/5/25 02:48, Karl Vogel wrote: On Thu 04 Sep 2025 at 15:43:32 (-0400), David Christensen wrote: I am aware of `zfs status`, but I only run it a few times each month. Is there some kind of automated ZFS pool monitoring tool that notifies the sysadmin of a failure? I'd just run

Re: RAID & Backups

2025-09-05 Thread David Christensen
On 9/4/25 20:03, Gareth Evans wrote: On Thu 04/09/2025 at 20:42, David Christensen wrote: I am aware of `zfs status` ... Hi David, I was intrigued, but: $ sudo zfs status unrecognized command 'status' $ sudo zfs status rpool unrecognized command 'status' Were you

Re: Aw: Re: RAID & Backups

2025-09-04 Thread David Christensen
On 9/4/25 01:54, Stefan K wrote: Hi, Geoff wrote: One point is that you have to be actively monitoring for any drive failures. In all my cases the filesystem (in my case zfs) know that something is wrong with the drive long time before SMART something said. best regards Stefan I am aware

Re: Please check my sudo bash script

2025-09-03 Thread David Christensen
On 9/3/25 04:00, Tom Browder wrote: On Tue, Sep 2, 2025 at 07:40 Tom Browder wrote: On Tue, Sep 2, 2025 at 12:30 AM David Christensen wrote ... David, I finished following your 'recipe' a few minutes ago, with mods for my system. I just rebooted and see all three new driv

Re: Please check my sudo bash script

2025-09-02 Thread David Christensen
On 9/2/25 05:40, Tom Browder wrote: On Tue, Sep 2, 2025 at 12:30 AM David Christensen wrote: ... David, thanks so much. I do appreciate this message in particular which is the "looking over my shoulder" guidance I was looking for before I proceed to the next step. Blessings! -Tom

Re: Please check my sudo bash script

2025-09-02 Thread David Christensen
048 1953523711 1953521664 931.5G Linux filesystem So, should I hand edit the /etc/fstab file (after saving a copy), and try to get one new drive loaded and tested at a time as suggested early on by David Christensen? -Tom The commands presented here are a "best guess", but are un

Re: Limitations of rsnapshot-style backups (Was: Re: lazy old guy asks question)

2025-09-02 Thread David Christensen
On 9/2/25 17:41, Dan Ritter wrote: From what I have seen on FreeBSD ZFS, under load ZFS can consume as much memory as it needs. For storage servers, this is exactly what I want -- I paid for that memory, I want ZFS to use it. But, I have little experience with ZFS on workstations; where many p

Re: Limitations of rsnapshot-style backups (Was: Re: lazy old guy asks question)

2025-09-02 Thread David Christensen
On 9/2/25 16:48, Dan Ritter wrote: It would be interesting to know the OpenZFS developers' opinion of dedup for backup workloads, including special vdev class vs. dedup vdev class. That is addressed at the end, and, in particular, you should note the bit about reflinks... which for any workload

Re: Please check my sudo bash script

2025-09-02 Thread David Christensen
On 8/31/25 07:55, Tom Browder wrote: I just added three new SSD and want to prep them for use. I plan to use a script to do that incrementally. Given the disks show the following when running "lsblk -o ..." ('# ' added): # NAME SIZE FSTYPE MOUNTPOINT # sda 3.6T # <=

Re: Limitations of rsnapshot-style backups (Was: Re: lazy old guy asks question)

2025-09-02 Thread David Christensen
On 9/2/25 11:12, Andy Smith wrote: Hi, Hello. :-) On Tue, Sep 02, 2025 at 09:05:39AM -0400, Dan Ritter wrote: David Christensen wrote: a. Set the ZFS backup file system property "dedup". This will enable block-level de-duplication, which can de-duplicate data more than

Re: Limitations of rsnapshot-style backups (Was: Re: lazy old guy asks question)

2025-09-02 Thread David Christensen
On 9/2/25 06:05, Dan Ritter wrote: David Christensen wrote: a. Set the ZFS backup file system property "dedup". This will enable block-level de-duplication, which can de-duplicate data more than hard links alone. This is generally not a good thing to recommend; one of the auth

Re: Limitations of rsnapshot-style backups (Was: Re: lazy old guy asks question)

2025-09-02 Thread David Christensen
On 9/1/25 14:57, Karl Vogel wrote: On Mon 01 Sep 2025 at 16:15:39 (-0400), David Christensen wrote: a. Set the ZFS backup file system property "dedup". This will enable block-level de-duplication, which can de-duplicate data more than hard links alone. This option eats RAM like

Re: Please check my sudo bash script

2025-09-01 Thread David Christensen
On 9/1/25 04:47, Tom Browder wrote: On Sun, Aug 31, 2025 at 09:55 Tom Browder wrote: I just added three new SSD and want to prep them for use. Thanks to all who have answered. I used to own a copy of the Unix server guide when I was working (using Sun OS and Irix). For home use I bought (a

Re: Limitations of rsnapshot-style backups (Was: Re: lazy old guy asks question)

2025-09-01 Thread David Christensen
On 8/31/25 16:05, Andy Smith wrote: On Sun, Aug 31, 2025 at 12:20:05PM -, Greg wrote: On 2025-08-29, Andy Smith wrote: For non-trivial amounts of files I would not recommend rsnapshot or any other rsync-based backup system in 2025. Can we know why not (rsnapshot) I've written about it

Re: lazy old guy asks question

2025-08-30 Thread David Christensen
On 8/30/25 07:45, mick.crane wrote: Hi, I've numerous PCs, old but seem quick enough for me. pfsense one ~120Gb disk Bookworm PC one ~200Gb disk doing Webmail with apache also offering links to documents and that. Bookworm PC one ~200Gb disk and a 3Tb disk mounted in fstab that I work on. Bookw

Re: lazy old guy asks question

2025-08-29 Thread David Christensen
On 8/28/25 21:55, David Christensen wrote: On 8/28/25 16:52, mick.crane wrote: If I've got 3 200Gb disks that are working and one 1 Tb disk and want to be able to copy and replace the 3 disks. Can I dd copy them to .isos on the 1 Tb disk then put them back on other disks so they boot?

Re: lazy old guy asks question

2025-08-28 Thread David Christensen
On 8/28/25 16:52, mick.crane wrote: If I've got 3 200Gb disks that are working and one 1 Tb disk and want to be able to copy and replace the 3 disks. Can I dd copy them to .isos on the 1 Tb disk then put them back on other disks so they boot? Copy them to 3 partitions on the 1 Tb disk and dd an

Re: Useful in the installer

2025-08-24 Thread David Christensen
On 8/24/25 13:14, Van Snyder wrote: I keep my /home directory in a partition separate from root, not in a directory in root. This makes it easier to install a new OS. When I install Debian, it asks me for the name of a user. I never had the courage to put my own name and uname into that page, f

Re: UEFI grub install fails

2025-08-20 Thread David Christensen
On 8/20/25 21:34, Van Snyder wrote: On Wed, 2025-08-20 at 23:15 -0500, David Wright wrote: But if the OP is intent upon converting the disk, a more manual approach, I'm the OP. Dell told me that there's a Windoze 10 product key burned into the MB. They said to download a Win 10 installer and i

Re: UEFI grub install fails

2025-08-20 Thread David Christensen
On 8/20/25 03:04, debian-u...@howorth.org.uk wrote: David Christensen wrote: On 8/19/25 13:51, Van Snyder wrote: Let me know when you develop a method to convert a drive from MBR to GPT without blowing away the partition table. https://learn.microsoft.com/en-us/windows/deployment/mbr-to-gpt

Re: CPU support

2025-08-19 Thread David Christensen
On 8/19/25 18:40, Felix Miata wrote: Van Snyder composed on 2025-08-19 16:30 (UTC-0700): MS says Windoze 11 isn't supported on Intel i5 I suspect this is inaccurate. See: https://www.dell.com/support/kbdoc/en-us/000187485/dell-computers-tested-for-upgrade-to-windows-11 That said, Windows

Re: UEFI grub install fails

2025-08-19 Thread David Christensen
On 8/19/25 13:51, Van Snyder wrote: On Tue, 2025-08-19 at 12:47 -0700, David Christensen wrote: When my eyes saw 9 partitions, my old brain thought GPT and skipped: When I bought the Dell Latitude E5470 it came with Windoze 10 on an MBR disk — and without installation media and product codes

Re: UEFI grub install fails

2025-08-19 Thread David Christensen
On 8/18/25 15:41, Felix Miata wrote: Device Boot StartEndSectors Size Id Type ... /dev/nvme0n1p4 64874494 2000408575 1935534082 922.9G 5 Extended ... /dev/nvme0n1p8 *193429504 1945456631116160 545M ef EFI (FAT-12/16/32) When my eyes saw 9 partitions,

Re: Atypical migration to Trixie

2025-08-18 Thread David Christensen
On 8/18/25 04:02, Richard Owlett wrote: On 8/17/25 4:52 PM, David Christensen wrote: On 8/16/25 04:41, Richard Owlett wrote: I currently have Debian 12.8 on a Dell Latitude [4GB RAM, 150GB disk] which I purchased as a refurbished machine years ago. The local Staples has a sale on of

Re: Hard drive checksum issue

2025-08-18 Thread David Christensen
On 8/18/25 05:31, Charles Curley wrote: Do any bulk storage vendors offer their own diagnostic software for Linux? One of the reasons I buy Seagate drives is because of SeaTools Bootable. In the past, this was a live Linux distribution; I expect it still is. And, Seagate now offers SeaTool

Re: UEFI grub install fails

2025-08-18 Thread David Christensen
On 8/18/25 00:31, Van Snyder wrote: On Sun, 2025-08-17 at 15:49 -0400, Felix Miata wrote: https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/1090829 grub-efi fails to install with Input/output error The twelve-year-old answer I found was to make sure the EFI partition was FAT32 (mine was), a

Re: Fwd: Re: I think Firefox is crashing my system

2025-08-17 Thread David Christensen
On 8/17/25 20:18, David Wright wrote: On Sun 17 Aug 2025 at 14:05:03 (-0700), David Christensen wrote: On 8/17/25 06:28, Greg Wooledge wrote: On Sat, Aug 16, 2025 at 23:00:29 -0700, David Christensen wrote: # apt-get purge firefox-esr Since the goal is to reinstall firefox-esr shortly

Re: UEFI grub install fails

2025-08-17 Thread David Christensen
On 8/17/25 15:03, Van Snyder wrote: On Sun, 2025-08-17 at 13:46 -0700, David Christensen wrote: On 8/17/25 12:31, Van Snyder wrote: I upgraded the BIOS in my Dell Latitude E5470 from 1.19.3 to 1.34.3. Before upgrading: 1.  Did you run Setup and document the settings? I didn't write

Re: Atypical migration to Trixie

2025-08-17 Thread David Christensen
On 8/16/25 04:41, Richard Owlett wrote: I currently have Debian 12.8 on a Dell Latitude [4GB RAM, 150GB disk] which I purchased as a refurbished machine years ago. The local Staples has a sale on of overstocked laptops. There is a selection of Lenovo [used the brand before] and HP [used their

Re: Fwd: Re: I think Firefox is crashing my system

2025-08-17 Thread David Christensen
On 8/17/25 06:28, Greg Wooledge wrote: On Sat, Aug 16, 2025 at 23:00:29 -0700, David Christensen wrote: # apt-get purge firefox-esr Since the goal is to reinstall firefox-esr shortly afterward, we don't really want to remove anything that depends on firefox-esr, such as a desktop enviro

Re: I think Firefox is crashing my system

2025-08-17 Thread David Christensen
On 8/17/25 00:36, Felix Miata wrote: David Christensen composed on 2025-08-16 23:00 (UTC-0700): ... Also -- move aside your Firefox profile directory. Run the following command in a terminal with your normal user account: $ mv ~/.mozilla ~/.mozilla- old ... That could be excessive

Re: UEFI grub install fails

2025-08-17 Thread David Christensen
On 8/17/25 12:31, Van Snyder wrote: I upgraded the BIOS in my Dell Latitude E5470 from 1.19.3 to 1.34.3. Before upgrading: 1. Did you run Setup and document the settings? 2. Did you backup the OS configuration files? 3. Did you backup the data? 4. Did you take an image of the HDD/SSD?

Re: Fwd: Re: I think Firefox is crashing my system

2025-08-16 Thread David Christensen
On 8/16/25 13:26, Van Snyder wrote: David Christensen wrote on 08/16/2025 12:52:18 PM Perhaps backup the Firefox bookmarks, uninstall Firefox and purge configuration files, restart, install Firefox, and restore bookmarks? How do I do those things? 0. Run the following command as root to

Re: I think Firefox is crashing my system

2025-08-16 Thread David Christensen
On 8/16/25 12:44, Van Snyder wrote: The 390Mi was the buffer/cache number. Today's result: totalusedfree shared buff/cache available Mem: 7.7Gi 5.1Gi 1.3Gi 138Mi 1.7Gi 2.6Gi Swap: 37Gi52Mi3

Re: I think Firefox is crashing my system

2025-08-16 Thread David Christensen
On 8/15/25 18:29, Van Snyder wrote: On Fri, 2025-08-15 at 16:58 -0700, David Christensen wrote: What extensions are installed and enabled in Firefox? I think I have none installed. I don't know how to ask Firefox. Firefox -> Tools -> Add-ons and Themes -> Extensions ->

Re: I think Firefox is crashing my system

2025-08-15 Thread David Christensen
On 8/15/25 16:08, Van Snyder wrote: I have Debian 12 on one computer and Debian 12 and 13 on another. The first one is an old backup I rarely use. The new one was crashing in both Debian 12 and 13 so I sent the MB back to MSI. I started using the backup computer and it's crashing too, so MSI will

Re: Enlarging /boot and swap partitions

2025-08-15 Thread David Christensen
On 8/14/25 19:51, Jonathan Wiebe wrote: I am going through the process of preparing my bookworm system for upgrade to trixie. The following statement from section 5.15 of the release notes caught my eye: - Before starting the upgrade, make sure your `/boot` partition is at least 768 MB in

Re: The backup GPT table is corrupt

2025-08-13 Thread David Christensen
On 8/13/25 11:40, mick.crane wrote: On 2025-08-13 00:33, David Christensen wrote: On 8/12/25 01:22, mick.crane wrote: The BIOS is like 12 years old. The boot list option has UEFI checked Okay. Please check and post the Setup settings for the disk drive. Please run and post: # gdisk -l

Re: The backup GPT table is corrupt

2025-08-12 Thread David Christensen
On 8/12/25 14:31, mick.crane wrote: On 2025-08-12 16:20, Thomas Schmitt wrote: Hi, mick.crane wrote: 000 45 46 49 20 50 41 52 54 00 00 01 00 5c 00 00 00 020 cc c9 67 f5 00 00 00 00 af 4b f9 0d 00 00 00 00 040 01 00 00 00 00 00 00 00 22 00 00 00 00 00 00 00 060 8e 4b f9 0d 00 00

Re: The backup GPT table is corrupt

2025-08-12 Thread David Christensen
On 8/12/25 01:22, mick.crane wrote: The BIOS is like 12 years old. The boot list option has UEFI checked Okay. Please check and post the Setup settings for the disk drive. Please run and post: # gdisk -l /dev/sda The boot sequence has debian bookworm UEFI Hard Drive all checked. the

Re: The backup GPT table is corrupt

2025-08-11 Thread David Christensen
On 8/11/25 17:35, mick.crane wrote: I thought I might upgrade to Trixie. This bookworm install I think I let the installer decide what to do. I don't really understand EFI and GPT, I might have done but I've forgotten. Take a look at your BIOS/EUFI Setup settings --"Mode", "BIOS", "UEFI", "L

Re: Can/should I delete /tmp partition?

2025-08-11 Thread David Christensen
On 8/11/25 08:49, Default User wrote: Hey guys, I really apologize for keeping this already long thread going, but - after doing some research, I am not sure of the "right" way to handle the /tmp and tmpfs situation. I "seems" to work fine right now, but a lot of things in life "seem" to work,

Re: Can/should I delete /tmp partition?

2025-08-10 Thread David Christensen
On 8/10/25 14:13, Nicolas George wrote: David Christensen (HE12025-08-10): From a risk/ reward standpoint, the risk is that you will trash you system while attempting to rearrange partitions and swap. The reward is that your swap space will grow from ~1 GB to ~3 GB. Or just turn the

Re: Can/should I delete /tmp partition?

2025-08-10 Thread David Christensen
On 8/10/25 05:57, Default User wrote: My system has 8 Gb of physical memory. I assume you mean "8 GB", meaning 8 * 2**30 bytes = 8 GiB (?). On a 256 Gb SSD, I have: nvme0n1 259:00 238.5G 0 disk ├─nvme0n1p1 259:10 512M 0 part /boot/efi ├─nvme0n1p2 259:20 23.3G 0 part

Re: ssh-add no longer accepts passphrase

2025-08-05 Thread David Christensen
On 8/5/25 06:49, Alain D D Williams wrote: I am running Debian 12 - Bookworm. I have been using ssh to login to remote machines for years. Many of which I use a private key - so I just go "ssh machine-name" and login without needing to give a password. To be able to do that I identify myself wit

Re: writing iso file to usb stick with dd - garbled files - usb eject error?

2025-08-03 Thread David Christensen
On 8/3/25 14:54, Thomas Schmitt wrote: Hi, David Christensen wrote: Beware that the Debian installer (d-i) can change the contents of the USB flash drive when it runs (!). I am not aware that the Debian installer writes into the byte range of the ISO 9660 filesystem. The ISO 9660 filesystem

Re: writing iso file to usb stick with dd - garbled files - usb eject error?

2025-08-03 Thread David Christensen
On 8/2/25 21:50, Titus Newswanger wrote: On 8/2/25 22:44, David Christensen wrote: 5. Verify the computed SHA256 checksum appears in the downloaded SHA512SUMS file: I've been meaning to learn how to sha512sum after it is written to disk. Now I've got it. Here are my results: on

Re: writing iso file to usb stick with dd - garbled files - usb eject error?

2025-08-03 Thread David Christensen
On 8/2/25 20:44, David Christensen wrote: 5.  Verify the computed SHA256 checksum appears in the downloaded SHA512SUMS file: Sorry for the error -- that should be: 5. Verify the computed SHA512 checksum appears in the downloaded SHA512SUMS file: David

Re: writing iso file to usb stick with dd - garbled files - usb eject error?

2025-08-02 Thread David Christensen
On 8/2/25 18:33, Titus Newswanger wrote: I recall reading somewhere how to send cached writes to disk using a shell command before unplugging a usb flash drive but now I'm failing to find it. Below follows why I think I need that: Today I installed trixie, everything worked great except for a

Re: transferring boot

2025-08-01 Thread David Christensen
On 8/1/25 07:22, Eben King wrote: On 8/1/25 04:08, David Christensen wrote: The key is disaster preparedness and disaster recovery. I do back up my entire drive weekly.  NAS too.  However, I recently looked around for another 2T drive to implement two-level backups and didn't hav

Re: transferring boot

2025-08-01 Thread David Christensen
On 8/1/25 01:52, Nicolas George wrote: David Christensen (HE12025-08-01): I once heard a speaker who worked as a Linux system administrator on Wall Street state: "You should be able to pick any computer at random, throw it out a 7th story window, and have a replacement in operation wit

Re: transferring boot

2025-08-01 Thread David Christensen
On 7/31/25 15:15, Eben King wrote: On 7/31/25 17:31, David Christensen wrote: On 7/31/25 10:18, Eben King wrote: I recently got some SSDs, and decided to use one of them (a 256G model) to boot from.  I want the change to be undetectable, in that from a user perspective, nothing seems

Re: transferring boot

2025-08-01 Thread David Christensen
On 7/31/25 15:39, Andy Smith wrote: Hi, Hello. :-) On Thu, Jul 31, 2025 at 02:31:44PM -0700, David Christensen wrote: When OP asks how to add a new SSD to their system and move their boot drive to it, it seems really excessive that you advise moving off hundreds of gigabytes of data

Re: transferring boot

2025-07-31 Thread David Christensen
On 7/31/25 10:18, Eben King wrote: I recently got some SSDs, and decided to use one of them (a 256G model) to boot from.  I want the change to be undetectable, in that from a user perspective, nothing seems different, just faster. I currently have a 2T HD, partitioned with GPT but booting by M

Re: problem installing trixie

2025-07-17 Thread David Christensen
On 7/16/25 16:35, Flo wrote: Hi, I have tried to install trixie, however, I ran into two problems at the very beginning: .) When I want to boot the computer, the system is not found automatically. I have to go into BIOS for selecting the disk to have it booted. At the installation process I

Re: SDD partitioning and allocations

2025-07-14 Thread David Christensen
Somehow, the newlines in your post got lost (?). On 7/14/25 11:12, Borden wrote: 2025-07-14 11:37:17 dpchrist@laalaa ~ $ perl -pe 's/>/\n>>/g' foo | perl -pe 's/\. ?/.\n> /g' My unsolicited, unprofessionl, free advice: >> Is it better than fstrim. > timer mentioned in this thread? >> >> Some ye

Re: SDD partitioning and allocations

2025-07-13 Thread David Christensen
On 7/13/25 13:23, David Christensen wrote: `dd if=/dev/zero bs=1M /dev/sdX` I apologize -- that command is wrong, in more than one way. Here is an console session from when I zeroed a 1 TB HDD: 1. Find the number of sectors: 2024-11-28 13:59:57 root@bullseye-bios ~ # parted /dev/disk/by

Re: SDD partitioning and allocations

2025-07-13 Thread David Christensen
On 7/13/25 09:29, songbird wrote: David Christensen wrote: ... I would expect a new SSD to be securely erased by the factory, but would check this assumption (and do an informal sequential read benchmark): 2025-07-12 12:13:02 root@laalaa ~ # time dd if=/dev/sdb bs=1M | hexdump -C 00

Re: SDD partitioning and allocations

2025-07-13 Thread David Christensen
On 7/13/25 04:37, songbird wrote: David Christensen wrote: ... Yes, things get very bad when bad people control the SSD firmware. I can only hope the firmware in my SSD's is legitimate, and updates are cryptographically signed. When using d-i to initialize a physical volume for encrypti

Re: SDD partitioning and allocations

2025-07-13 Thread David Christensen
On 7/12/25 21:46, songbird wrote: rhkra...@gmail.com wrote: On Thursday, July 10, 2025 10:41:18 PM David Christensen wrote: On 7/10/25 04:07, songbird wrote: I was able to get some SSD replacements and want to add them to my existing setup, Be sure to do a secure erase before you put

Re: SDD partitioning and allocations

2025-07-13 Thread David Christensen
On 7/12/25 20:33, Max Nikulin wrote: On 11/07/2025 09:41, David Christensen wrote: AIUI SSD over-provisioning combined with setting the discard flag in fstab(5) provides maximum performance for write intensive workloads. Is it better than fstrim.timer mentioned in this thread? Some years ago

Re: SDD partitioning and allocations

2025-07-12 Thread David Christensen
On 7/12/25 06:19, rhkra...@gmail.com wrote: On Thursday, July 10, 2025 10:41:18 PM David Christensen wrote: On 7/10/25 04:07, songbird wrote: I was able to get some SSD replacements and want to add them to my existing setup, Be sure to do a secure erase before you put the SSD's

Re: Fwd: more trouble with HP Laser Jet Pro 4301 8023 CB

2025-07-11 Thread David Christensen
On 7/11/25 11:16, Maureen L Thomas wrote: Well I thought of something that actually fixed the damn printer.  When I downloaded the damn updated file it changed the name from Laser Jet Pro to something else.  I just changed the printer name to the one I have used from day one and it prints.  I a

Re: Linux machine hit by ransomware

2025-07-10 Thread David Christensen
On 7/10/25 16:37, rickm...@shaw.ca wrote: On 2025-07-10 04:57, Greg Wooledge wrote: On 7/9/25 22:14, Rick Macdonald wrote: In 30 years I've never seen an isolated network. May I ask how this might be done? An alternative example (with no Wi-Fi): * One switch or hub. Connect to power.

Re: SDD partitioning and allocations

2025-07-10 Thread David Christensen
On 7/10/25 04:07, songbird wrote: hello all, some questions at last... it's been a while. :) I was able to get some SSD replacements and want to add them to my existing setup, Be sure to do a secure erase before you put the SSD's into service: https://en.wikipedia.org/wiki/Secure_Erase

Re: Linux machine hit by ransomware

2025-07-09 Thread David Christensen
On 7/9/25 22:14, Rick Macdonald wrote: On 2025-07-09 18:43, David Christensen wrote: On 7/9/25 10:39, Rick Macdonald wrote: I had a question that I forgot to add to my initial long post. This was since "top" didn't show any great CPU usage, could the encryption have been perfo

Re: more trouble with HP Laser Jet Pro 4301 8023 CB

2025-07-09 Thread David Christensen
On 7/9/25 18:04, Maureen L Thomas wrote: I am using Debian Bookworm latest updates with a HP desktop.  The computer works fine now and that is thanks to you guys who helped me get it that way.  I thank you all for you assistance. I am glad you were able to get the PIA VPN installed. :-) I

Re: Linux machine hit by ransomware

2025-07-09 Thread David Christensen
On 7/9/25 10:39, Rick Macdonald wrote: I had a question that I forgot to add to my initial long post. This was since "top" didn't show any great CPU usage, could the encryption have been performed on another machine (Windows or one of my 3 Android Kodi boxes)? A number of you suggested exactly

Re: Linux machine hit by ransomware

2025-07-07 Thread David Christensen
On 7/6/25 19:47, Rick Macdonald wrote: After running Debian for nearly 30 years (and other distros prior to that), my Linux server has been hit by a ransomware attack about 11 days ago. On 7/7/25 17:18, David Christensen wrote: Please boot live media in the server, open a root terminal, mount

Re: Linux machine hit by ransomware

2025-07-07 Thread David Christensen
On 7/6/25 19:47, Rick Macdonald wrote: I apologize for the length of this question. After running Debian for nearly 30 years (and other distros prior to that), my Linux server has been hit by a ransomware attack about 11 days ago. I would power off all computers on your network. Only boot

Re: how to delete an attached file bugs.debian.org

2025-07-03 Thread David Christensen
On 7/3/25 09:40, масляков дмитрий wrote: Hello. https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1107874 I accidentally attached the file [$$$ (application/octet-stream, attachment)]. How can I delete it? I suspect that you cannot delete an attachment to a bug report once the bug report has

Re: more problems with su and sudo

2025-07-01 Thread David Christensen
On 7/1/25 04:25, Greg Wooledge wrote: On Mon, Jun 30, 2025 at 21:36:14 -0700, David Christensen wrote: The next time you log in, sudo(8) should work: $ sudo pia-linux-3.6.1-08339.run Even if sudo works, that command won't. It would need to be something like: sudo chmod +x pia-

Re: more problems with su and sudo

2025-06-30 Thread David Christensen
On 6/30/25 18:58, Maureen L Thomas wrote: Ok guys, I finally had to reinstall Debian bookworm and lost all my passwords.  I did get a refund on the VPN but have spent the last three days changing all my passwords to get into the bills and pay them.  I went for PIA VPN and followed instructions

Re: Dual booting problem

2025-06-30 Thread David Christensen
On 6/30/25 17:36, David Christensen wrote: +1 for multi-boot via multiple drives. Mobile racks facilitate changing drives: https://www.startech.com/en-us/hdd/mobile-racks https://www.startech.com/en-us/hdd/m2-removable-pcie-n1 I should add -- only insert one bootable drive at a time

Re: Dual booting problem

2025-06-30 Thread David Christensen
On 6/30/25 13:59, Van Snyder wrote: I'm working on an ASUS computer for a deceased colleague's widow. He had Fedora 28 on a HDD. I installed Debian 12 on an NVME drive. She also wanted Windoze 11 so I installed it on another NVME drive. The boot mode was set to "legacy" but the Windoze installe

Debian reset root password (was: Re: Debian Users problem)

2025-06-25 Thread David Christensen
On 6/23/25 19:06, Maureen Thomas wrote: Using the latest Linux 12 there is.  I had vpn by nord.  All of a sudden the password app wanted my master password.  I had renewed it as asked by them 5 days ago along with the recovery code.  I typed it in and it said wrong password.  I have only had on

Re: My computer crashes and freezes when:

2025-06-23 Thread David Christensen
On 6/23/25 09:50, Angelo wrote: I didnt find the cause of the problem but it looks like altabbing was the cause of my crashes, looking on forums it seems like im not the only one with this problem, i changed my desktop environment to kde plasma and apparently the altabbing and crashing stopped bu

Re: My computer crashes and freezes when:

2025-06-21 Thread David Christensen
On 6/21/25 20:23, Angelo wrote: *Crash 1:* When I'm playing minecraft or any other game and I have an application that produces sound like youtube music or anything else if I change windows the system starts making crackling sounds, after those sounds start to occur the system starts to slow down

Re: Setting up a Thin Client System with Dell Latitude E4300 and OVH VPS

2025-06-05 Thread David Christensen
On 6/5/25 01:01, white-wolf wrote: Hi, Apparently, the era of the Minitel is truly over... 200€ for an acceptable machine, it's clear that given the price of VPS, my idea is not profitable... Another question, how can I offer a managed IT services for individuals, more or less on a large scale?

Re: Setting up a Thin Client System with Dell Latitude E4300 and OVH VPS

2025-06-05 Thread David Christensen
On 6/4/25 18:14, white-wolf wrote: Dear Debian Users, I hope this message finds you well. I am looking to set up a system using my Dell Latitude E4300 as a thin client connected to an OVH VPS to create a decentralized desktop environment. My Dell no longer has enough power to run Debian/Linux w

Re: how to install debian to external USB ssd harddisk

2025-06-04 Thread David Christensen
On 6/4/25 11:09, Mgr. Janusz Chmiel wrote: Dear advanced users and developers, Debian is making so big joy to Me that I want to install it to my USB external SSD harddisk. Unfortunately, Debian text Installer and even Camalares installer do not cooperate with my UEFI firmware. So Grub is being

Re: amd rx550

2025-05-30 Thread David Christensen
On 5/30/25 10:20, Russell L. Harris wrote: On Fri, May 30, 2025 at 02:18:06AM -0700, David Christensen wrote: Perhaps you could take Debian Live media to Blair and test before purchase? Regrettably, no.  Blair is in Kentucky; I am in Texas. Okay. Reading ahead, Debian should work fine on

Re: amd rx550

2025-05-30 Thread David Christensen
On 5/29/25 11:13, Russell L. Harris wrote: Should I purchase a used computer with AMD RX550 video? On 5/29/25 14:17, Russell L. Harris wrote: Thanks, Dan & Andrew. I don't play games; I use the computer for composition using emacs and latex. Blair has a close-out sale on W10 machines, and

Re: Debian LiveUSB persistent/upgradeable (howto)

2025-05-26 Thread David Christensen
On 5/26/25 13:02, David Wright wrote: On Mon 26 May 2025 at 10:11:50 (-0700), David Christensen wrote: Now I connect a SATA to USB adapter cable to a 2.5" SATA SSD and install Debian onto the SSD: https://www.startech.com/en-us/hdd/usb3s2sat3cb Can you boot it on both BIOS and EFI mac

Re: dual boot or windows vm?

2025-05-26 Thread David Christensen
On 5/26/25 11:23, Lee wrote: For those of you that still use Windows, do you have a dual boot system where you select linux or windows at boot time or do you boot into linux and run windows as a vm? My wife is trying to decide if she wants to keep windows on her laptop or no. Obviously, it's ea

Re: Random locks ups in qemu

2025-05-26 Thread David Christensen
On 5/25/25 13:26, xuser wrote: Debian 13 (trixie) keeps locking up after 22-55 days in qemu. And there is nothing to show what's wrong in the systemd journal Any ideas about what wrong? On 5/25/25 20:41, xuser wrote: I can't be swap, because non is setup On previous versions of Debian, I t

Re: Debian LiveUSB persistent/upgradeable (howto)

2025-05-26 Thread David Christensen
On 5/26/25 01:32, riveravaldez wrote: Hi, I would like to make a minimal Debian Stable -with only the packages I need- available as a LiveUSB bootable system (nomadic, USB-stick, which I can use in any desktop/laptop) with persistence and some way to upgrade it when next Stable gets published. Is

Re: Strange (cosmic ray?) corruption.

2025-05-25 Thread David Christensen
On 5/25/25 00:58, Tim Woodall wrote: Hi All, This is the third time I've had the same problem. The first time it happened I put it down to a freak cosmic ray event. The second time it happened gave me doubts but I cannot come up with a good alternative explanation. Now it's happened for a thi

Re: EFI system partition

2025-05-24 Thread David Christensen
On 5/24/25 06:31, Tommy Berglund wrote: Hi, Translated by Google from Swedish Is it possible to add an EFI system partition to a server already running Debian 12? How do I do it? (parted) print devices /dev/sda (2000GB) /dev/sdb (2000GB) /dev/mapper/vg-data (1888GB) /dev/mapper/vg-www (4295MB)

Re: Repair or Replace

2025-05-20 Thread David Christensen
On 5/20/25 15:20, Steve Matzura wrote: After a year in storage, I'm trying to get a version 11 system back online. I connected it to power and network, then booted it. Interestingly, it appeared on my network not at the address it had when it went into storage, but one given it by my local DHCP

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