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10369 discussions

Hard disk drive partitions and memory
by Bev Nicolson 18 Nov '18

18 Nov '18

1) Noticing that this PC gets glacially slow occasionally (it probably means get a new one and soon but bear with me for the moment) I had a look at the hard disk. 77 GB is 84.4% full. I have two partitions though. One 'extended partition', the other a swap partition. Both 3.1 GB. Could I unmount the first (extended partition) safely? 2) What is it full of and how could I clear stuff out, again, safely? Bev. (braced for the worst.)

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Unreliable USB3
by Mark Rogers 13 Nov '18

13 Nov '18

I frequently find USB3 unreliable, on more than one PC (but not all). Typical usage will be to take images of SD cards via a card reader or to access data from a hard disk via USB->SATA. Generally, it'll connect and be visible for a short while before erroring. My current PC lists its controller as: Intel Corporation 100 Series/C230 Series Chipset Family USB 3.0 xHCI Controller (rev 31) How do I go about diagnosing this? Is it likely to be the driver, the hardware, or the external devices? syslog from most recent failure follows. On this occasion, I was connecting through an unpowered USB3 hub, but the problems are pretty typical regardless. Nov 13 13:00:13 mark-ubuntu kernel: [ 4184.999569] usb 2-4.4: new SuperSpeed Gen 1 USB device number 4 using xhci_hcd Nov 13 13:00:13 mark-ubuntu kernel: [ 4185.026221] usb 2-4.4: New USB device found, idVendor=1f75, idProduct=0621, bcdDevice= 0.36 Nov 13 13:00:13 mark-ubuntu kernel: [ 4185.026227] usb 2-4.4: New USB device strings: Mfr=4, Product=5, SerialNumber=6 Nov 13 13:00:13 mark-ubuntu kernel: [ 4185.026231] usb 2-4.4: Product: Ext. HDD Nov 13 13:00:13 mark-ubuntu kernel: [ 4185.026236] usb 2-4.4: Manufacturer: Innostor Nov 13 13:00:13 mark-ubuntu kernel: [ 4185.026239] usb 2-4.4: SerialNumber: 20030225 Nov 13 13:00:13 mark-ubuntu mtp-probe: checking bus 2, device 4: "/sys/devices/pci0000:00/0000:00:14.0/usb2/2-4/2-4.4" Nov 13 13:00:13 mark-ubuntu kernel: [ 4185.293229] usb-storage 2-4.4:1.0: USB Mass Storage device detected Nov 13 13:00:13 mark-ubuntu kernel: [ 4185.293858] scsi host4: usb-storage 2-4.4:1.0 Nov 13 13:00:13 mark-ubuntu kernel: [ 4185.294091] usbcore: registered new interface driver usb-storage Nov 13 13:00:13 mark-ubuntu kernel: [ 4185.298900] usbcore: registered new interface driver uas Nov 13 13:00:32 mark-ubuntu kernel: [ 4203.492176] usb 2-4.4: device not accepting address 4, error -62 Nov 13 13:00:43 mark-ubuntu kernel: [ 4214.500585] usb 2-4.4: device not accepting address 4, error -62 Nov 13 13:00:48 mark-ubuntu kernel: [ 4220.136105] usb 2-4.4: Device not responding to setup address. Nov 13 13:00:48 mark-ubuntu kernel: [ 4220.344806] usb 2-4.4: device not accepting address 4, error -71 Nov 13 13:00:48 mark-ubuntu kernel: [ 4220.348168] usb 2-4-port4: cannot disable (err = -71) Nov 13 13:00:48 mark-ubuntu kernel: [ 4220.355169] usb 2-4-port4: cannot reset (err = -71) Nov 13 13:00:49 mark-ubuntu kernel: [ 4220.798423] usb 2-4-port4: cannot reset (err = -71) Nov 13 13:00:49 mark-ubuntu kernel: [ 4220.897949] usb 2-4-port4: cannot reset (err = -71) Nov 13 13:00:49 mark-ubuntu kernel: [ 4220.901440] usb 2-4-port4: cannot reset (err = -71) Nov 13 13:00:49 mark-ubuntu kernel: [ 4220.904914] usb 2-4-port4: cannot reset (err = -71) Nov 13 13:00:49 mark-ubuntu kernel: [ 4220.904922] usb 2-4-port4: Cannot enable. Maybe the USB cable is bad? Nov 13 13:00:49 mark-ubuntu kernel: [ 4220.908444] usb 2-4-port4: cannot disable (err = -71) Nov 13 13:00:49 mark-ubuntu kernel: [ 4220.911947] usb 2-4-port4: cannot disable (err = -71) Nov 13 13:00:49 mark-ubuntu kernel: [ 4220.972838] usb 2-4: USB disconnect, device number 2 Nov 13 13:00:49 mark-ubuntu kernel: [ 4220.972843] usb 2-4.1: USB disconnect, device number 3 Nov 13 13:00:49 mark-ubuntu kernel: [ 4220.974004] usb 2-4.4: USB disconnect, device number 4 Nov 13 13:00:49 mark-ubuntu kernel: [ 4221.353012] usb 2-4: new SuperSpeed Gen 1 USB device number 5 using xhci_hcd Nov 13 13:00:49 mark-ubuntu kernel: [ 4221.376022] usb 2-4: New USB device found, idVendor=05e3, idProduct=0612, bcdDevice=92.24 Nov 13 13:00:49 mark-ubuntu kernel: [ 4221.376028] usb 2-4: New USB device strings: Mfr=1, Product=2, SerialNumber=0 Nov 13 13:00:49 mark-ubuntu kernel: [ 4221.376032] usb 2-4: Product: USB3.0 Hub Nov 13 13:00:49 mark-ubuntu kernel: [ 4221.376036] usb 2-4: Manufacturer: GenesysLogic Nov 13 13:00:49 mark-ubuntu kernel: [ 4221.379203] hub 2-4:1.0: USB hub found Mark -- Mark Rogers // More Solutions Ltd (Peterborough Office) // 0844 251 1450 Registered in England (0456 0902) 21 Drakes Mews, Milton Keynes, MK8 0ER

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[ALUG Announce] ALUG Norwich Pub Meet Thursday 8th November
by Viperfang 05 Nov '18

05 Nov '18

ALUG Announce Please send announcements to Announce(a)lists.alug.org.uk Unsub, change settings via https://lists.alug.org.uk/mailman/listinfo/announce ----- Hello Norwich Aluggers, Our monthly ALUG Norwich social meeting will be held this Thursday, 8th November at The Coach and Horses (82 Thorpe Road, Norwich, NR1 1BA). The meeting officially starts at 8pm, although some people may arrive earlier. More information on those people can be found on the list and the IRC channel. If you are unsure if you will recognise us then make yourself and your intent to attend known by either posting on list or visiting us on IRC so we can look out for you rather than hiding in the corner. Optionally you could ask at the bar if they know where the geeky computer weirdos are and they'll point you in the right direction (seriously!). Another possibility is look for heaps of electronics on a table that may possibly look like movie props that would used for detonating explosives. Feel free to bring electronics/laptops/gadgets to the meet, you will by no means be alone. Ben Bewick aka Viperfang NB: This mail is automated, please refer to the usual sources for more information. ALUG Contact Details: Website : http://www.alug.org.uk/ IRC : #alug on irc.alug.org.uk List : http://lists.alug.org.uk/mailman/listinfo Twitter : http://twitter.com/anglianlug Identica: TBA Facebook: http://www.facebook.com/group.php?gid=2381613902 ----- Send discussion replies to main(a)lists.alug.org.uk (Reply-To set) Unsub, change settings via https://lists.alug.org.uk/mailman/listinfo/announce

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Is there a way for an ssh connection to allow the server to send a file to the client?
by Chris Green 02 Nov '18

02 Nov '18

I am looking for a way that will allow my ssh 'server' machine (desktop running xubuntu 18.04 at home) to send a file back to the client machine (laptop running xubuntu 18.04 which may be anywhere including behind a firewall etc. and behind NAT). I need the server machine to be able to do this from a script running on the server at some indeterminate time after the ssh connection has been made. The only remotely possible way I can think of to do this is to run something via the 'LocalCommand' option in the client ssh configuration. However, at the moment, that's about as far as I can get. I can't think of a way of actually doing it at the moment. The best I can come up with is to have a script (run as a LocalCommand) that uses sshfs to mount a server directory on the client. Then a server script can simply copy a file to the mounted directory and it will be visible on the client. Job done..., or not. There are problems with this however. Firstly as I often have several ssh connections running at the same time there needs to be some way to prevent the LocalCommand running multiple sshfs instances. This isn't too bad to overcome but the second issue is how to pull down the sshfs connection when the last ssh exits, at present I can't see any way to do this, there isn't the equivalent of LocalCommand which runs when a connection is about to be closed. Does anyone have any ideas which might help? -- Chris Green

6 18

Pdf measuring tools
by Bev Nicolson 31 Oct '18

31 Oct '18

I don't have Flash installed so I'm not able to 'measure' Adobe documents and it turns out this could be useful in some circumstances. Does anyone know of a Linux tool one could uses for this? Bev.

4 10

Strange apache permission problem, can access anywhere *except* /tmp
by Chris Green 30 Oct '18

30 Oct '18

I want to put some temporary html files in /tmp (well, a sub-directory of /tmp) and view them using apache2. I always get permission denied and it seems as if apache2 refuses to access any files in /tmp. I have a very simple apache2 set up with the root set to /srv with an entry as follows:- <Directory /srv/> Options Indexes FollowSymLinks AllowOverride All Require all granted </Directory> I add symlinks to /srv to get access to files around the system, it works for every directory I've tried (even including such places as /etc) but *not* for /tmp. (I've removed all the odd symlinks again of course!) What's so special about /tmp? I've searched for references to tmp in the apache configuration but there's nothing there. Can anyone suggest what the issue is? Alternatively where can I put a file that will get cleaned out periodically (like /tmp at reboot)? -- Chris Green

4 6

2600 meeting at 18:00 on Friday the 2nd November.
by Viperfang 30 Oct '18

30 Oct '18

Quick heads up about this months Norwich 2600 meeting, more info at http://www.norwich2600.co.uk

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Evince
by Bev Nicolson 25 Oct '18

25 Oct '18

Now, I have googled and I understand Evince/Document Viewer crashing is not news. But how come it only does this with one document for me? Opens it, loads, crashes. Okular has been downloaded, btw. I'm asking this because I’m puzzled. Bev

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Re: [ALUG] Batch formatting documents in LibreOffice? (Phil Thane)
by mark fernandes 16 Oct '18

16 Oct '18

Would headless mode Libreoffice get you closer to your goal? https://help.libreoffice.org/Common/Starting_the_Software_With_Parameters HTH, Mark

1 0

Batch formatting documents in LibreOffice?
by Phil Thane 15 Oct '18

15 Oct '18

Hello Lugs, Like a fool I volunteered to edit the Great Ouse Boating Association magazine (GOBA News). Obviously I use LO on Linux so maybe someone can help. I get a lot texts sent in from members and others, mostly done on MS Word, various versions, different defaults and different user preferences in evidence. I change the lot as I edit them to my preferred font and remove all the odd line spaces, paragraph indents, justification and so on. It's a bit of a pain. Then I send them to another member who proof reads them, using MS word, and puts all the justification back. Eventually I send the text files (as docx) plus photos etc to the designer. I know from my past experiences with DTP the simpler the input text the easier the designer's job so I'd like to help out by stripping most of the formatting. I don't really want to go to .txt because writers use italics and bold for emphasis and that would get lost. Does anyone know if it's possible to set up a set of rules in LibreOffice then apply them to a batch of files (typically 20-30)? Can't find anything helpful online. -- Phil

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