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  1. save authentication credentials in an AES256 .pgp file?

    Hello all!

    Is it an inherently bad idea to save a list of authentication details in a .pgp file encrypted using AES256 with a symmetric key (or password or whatever you want to call it). I'm not...
  2. How can I fully remove an old system app from an Android device?

    Hello all!

    Thought I'd try a little android question here.

    So I have a Samsung Note 4 running an unofficial build of Lineage OS 17.1. I want to re-enable the call recording function of the...
  3. [SOLVED] Re: grep wont search multiple patterns sepperated by a newline

    Righhht now I've got it, I never realised you can just hit enter after typing the first pattern to move to a newline in the terminal (naturally I assumed this would just attempt to run an incomplete...
  4. [SOLVED] Re: grep wont search multiple patterns sepperated by a newline

    I still can't get this to work but it's probably my syntax. I can't see any '\' at the end of your first line, mine looks like this...
    perrywinklesnoop@perrywinklesnoop-System-Product-Name:~$ ...
  5. [SOLVED] Re: grep wont search multiple patterns sepperated by a newline

    sorry there's a misunderstanding, I'm not trying to find newlines in the input data, but rather trying to specify a list of patterns to be searched for with each pattern in the list separated by a...
  6. [SOLVED] Re: grep wont search multiple patterns sepperated by a newline

    Thanks, I've just given it a go but still grep will only print the strings which match the final line. I just find it really weird because the info pages literally state this is a feature of grep...
  7. [SOLVED] Re: grep wont search multiple patterns sepperated by a newline

    hmmm very annoying, my grep doesn't seem to respond to this!
    perrywinklesnoop@perrywinklesnoop-System-Product-Name:~$ ls|grep -F 'owl\n
    > alpha\n
    > grep'
    grepfile
    ...
  8. [SOLVED] grep wont search multiple patterns sepperated by a newline

    Hello all,

    This ones been annoying me for a while. grep is supposed to accept a list of patterns to search for with each separated by a newline, so I've tried the following syntax(s)...
    grep...
  9. [SOLVED] Re: How would I specify a different dependency name when compiling?

    wow, that was a good spot! In the end I tried downloading and compiling it again and the second time it worked! A bit annoying as I didn't do anything different apart from downloading the .zip as...
  10. [SOLVED] How would I specify a different dependency name when compiling?

    Hello all,

    I'm trying to compile VBA-M, a game boy advanced emulator, but one of the dependencies in the install script has had it's name changed in the Ubuntu 20.04 repositories. libwxgtk3.0-dev...
  11. [SOLVED] Re: dd fails with I/O error when trying to create .iso

    I agree, but at the rate it's copying it would take days, weeks even maybe! I'd like to get it going but I'm not that bothered. But also on the other hand I probably will because I never use the...
  12. [SOLVED] Re: Can anyone explain a little about graphics drivers?

    Wow, how confusing! so one final question if I may, are these different versions of the same API left in there for compatibility reasons? or are they different versions as in the implementations of,...
  13. [SOLVED] Re: Can anyone explain a little about graphics drivers?

    I have a similar situation, with having an AMD APU but also a discrete graphics card. I generally just plug my monitor into the card. So the "Mesa DRI Intel HD Graphics 4600", my understanding is...
  14. [SOLVED] Re: Can anyone explain a little about graphics drivers?

    When you say Mesa contains different implementations of the APIs, do you mean this as in it contains an implementation for each of OpenGL, Vulkan, Direct 3D 9 etc., or do you mean it contains...
  15. [SOLVED] Can anyone explain a little about graphics drivers?

    Hello all,

    So one thing that has so far eluded me is fully understanding graphics drivers in Linux. The things I do know are...



    I understand what graphics libraries are and the difference...
  16. [SOLVED] Re: dd fails with I/O error when trying to create .iso

    The thing is the game plays fine on a windows machine, just wont let me copy the disk, the same with a copy of Max Payne 1 that I have, plays fine but dd fails immediately. The impression I'm getting...
  17. [SOLVED] Re: dd fails with I/O error when trying to create .iso

    Sorry my bad, when I wrote "of=game.iso" what I actually meant was "/path/to/game.iso" but your right, a good point.



    It fails immediately, the drive spins up and then drops to a really low rpm...
  18. [SOLVED] dd fails with I/O error when trying to create .iso

    Hello all!

    Obligatory I am not a pirate!

    I'm trying to create an .iso image of an old game cd but when I run 'dd' the cd drive sounds like it's dying a miserable death and then the copy...
  19. [SOLVED] Re: How does checksumming work for filesystems?

    Thanks!
  20. [SOLVED] How does checksumming work for filesystems?

    Hello all,

    Just reading about metadata checksumming for ext4 but I can't find an explanation of how it basically works. Does the filesystem driver basically hash metadata before it is written to...
  21. Re: ext4, delayed allocation and losing data

    I know a bit about inodes, like how inode numbers are unique at the partition level and they store metadata, how they relate to hard / symbolic links, and store everything about their file except the...
  22. ext4, delayed allocation and losing data

    Hello all,

    So I fell down the rabbit hole and now I'm trying to understand a passage taken from the Wikipedia article on ext4:



    So my understanding is that the safe method that programmers...
  23. [ubuntu] dmesg error: Unable to read/write to IOMMU perf counter

    Hello all.

    I'm trying to set up PCI passthrough using this guide however I've hit a snag (I think).

    I've got as far as enabling the required options in the BIOS - SVM module and IOMMU - as well...
  24. [SOLVED] Re: Motherboard refused to power on, then finally did after some popping

    @Qlll & @TheFu yes you are both right, finally found the proof of purchase I need so I've stopped using that machine and will RMA it ASAP. It's hard to know what to do as there is so much conflicting...
  25. [SOLVED] Re: Motherboard refused to power on, then finally did after some popping

    From reading around online, there seems to be a problem with Corsair PSU's and popping noises, allegedly caused by the in-rush of current into the empty capacitors after one leaves the machine either...
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