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    Thursday, May 3, 2018

    Linux Is GNU/Linux a viable option for high schoolers?

    Linux Is GNU/Linux a viable option for high schoolers?


    Is GNU/Linux a viable option for high schoolers?

    Posted: 03 May 2018 06:22 AM PDT

    For personal and political reasons, I have decided I should move to a free software computer OS. I am not proficient with the command line, and I'd prefer to use a Mac OS-inspired interface. Because of this, Elementary OS has interested me, although I'm cautious because it seems like it might be too simplistic—one aspect I admired about the older versions of Mac OS was that it was, on the surface, simple, but also quite customisable and powerful when it needed to be. So, I've considered also Debian and Ubuntu, although I'm not sure how I feel about the GNOME 3 interface. I would also like to be able to use Mac OS-like gestures. What I'd like, above all, is something which is reliable: I don't have the time or the tools to tinker much with the OS past the initial setup. I want to automate as much of the menial processes I can, such as updates, backups, etc.

    So, here are my questions:

    • Is there a GNU/Linux distribution which satisfies all or most of the above?
    • Does there exist libre replacements for commonplace programs, like PowerPoint, OneNote, iTunes, Lightroom, etc?

    Cheers.

    submitted by /u/cBvOh76Zo2i9
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    What Linux Distro is the best for Toshiba NB500 notebook?

    Posted: 03 May 2018 12:29 PM PDT

    My specs on this notebook are:

    -Intel Atom N455 1.66 GHz

    -2GB RAm

    -Intel GMA 3150

    -Realtek WiFi Card

    Now have Windows 7 starter on this notebook. But sometimes is little laggy.

    And today i have blue screen of death when i try power up my notebook.

    I dont do anything strange yesterday night.

    Only browse net.

    Thats why i look for best avaible distro, with user friendly like windows for this notebook.

    Anyone here may help me with this?

    I need good advice. I use this notebook for web browsing, music, video watching.

    Nothing more.

    submitted by /u/Vicarstar
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    Alias in .bashrc, selecting random file

    Posted: 03 May 2018 01:33 PM PDT

    Hi Linux4Noobs,

    I am engaged in an endeavor to alias a command to have mplayer play a random nature documentary from a directory, let's call it $PRONDIR.

    The following code snippet in my .bashrc works:

     alias mpron="mplayer $(find $PRONDIR -type f | shuf -n 1 |sed 's/ /\\ /g' )" 

    except that it retains memory of the first file generated in that particular shell, so one would have to close and reopen the shell if one got tired of the nature documentary and wished to view an alternate random nature documentary.

    Do any other nature enthusiasts have some advice so I don't have to keep closing my shell?

    submitted by /u/ancientkangz
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    [CentOS 7] It's raining threads - how to best configure the machine?

    Posted: 03 May 2018 07:44 AM PDT

    Hi everyone,
    I've been running some python code on two servers (Development and Quality Check, both CentOS7) that, at peak times, opens something like 2-3k threads. On the Development server everything is fine, while on the QC server I get the error "error: can't start new thread". I ran the command "ulimit -a" and these are the differences:

    Quality Check

    pending signals (-i) 128277 stack size (kbytes, -s) 10240 max user processes (-u) 1024 

    Devel

    pending signals (-i) 4135232 stack size (kbytes, -s) 8192 max user processes (-u) 4135232 

    As you can see I have 4M possible processes I can use in Devel, and only 1K in Quality.

    Is this the problem? How do I go on an solve this problem? Should I insert a line in /etc/security/limits.conf like

    pyUser - nproc 4135232 

    Thanks in advance

    submitted by /u/Murlocs_Gangbang
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    How to check if the HDD is realy encrypted by Ubuntu?

    Posted: 03 May 2018 11:00 AM PDT

    The title says it all. I am not sure how to do it properly.

    submitted by /u/diekholzen
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    Debian not booting into GUI!

    Posted: 03 May 2018 10:39 AM PDT

    So I am on debian stretch, kernel 4.9.something.... I had hibernated debian by clicking on the extension I downloaded. Since then , it does not boot into the OS. It is stuck on /Dev/sda5/ clean..... However if I press Ctrl+alt+F2 and login and startx, it works normally but hangs in sometime... If I kill gdm3 before startx, I get something like enter password for keyring .... Please help me boot my OS! I have a theme installed in Tweak tool.

    submitted by /u/gopalkaul5
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    Ubuntu asked if I wanted to upgrade my distribution. I clicked Yes. Now my laptop won't boot!

    Posted: 03 May 2018 06:33 AM PDT

    After I type in my LUKS password, I get spammed with this error message:

    [356.000000] ata3: irq_stat 0x00000040, connection status changed

    [356.000000] SError: { CommWake DevExch }

    [356.000000] ata3: exception Emask 0x10 SAct 0x0 SErr 0x4040000 action 0xe frozen

    I'm not sure if this is relevant, but I have a Transcend 2.5" SSD in my Lenovo G580.

    submitted by /u/unique616
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    nano ~/.bash_profile & source...question

    Posted: 03 May 2018 08:00 AM PDT

    Gents, Go to:

    1. nano ~/.bash_profile alias casa="cd /home/snash"

    2. Save file

    3. source ~/.bash_profile

    It works , it takes me automatically to my home directory when ever I type "casa" but as soon as I CLOsE terminal and opens a new one , it does not work anymore though bash...contains yet the alias.

    Can somebody provide me a briefly explanation as to why it happens and how to solve it ??? Thanks , xDDD

    submitted by /u/RrChaos
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    Problem with Linux shell scripting (using VIM)

    Posted: 03 May 2018 01:53 PM PDT

    I'm completely new to this, so this might be a basic question:

    For my Linux assignment I am supposed to write a shell script, using the VIM editor. It's just a handfull of commands one by one, so far so good, I got the file up and running and all commands are fine except 2:

    • history: typed into the Linux command line, it works fine, showing me my recent commands, but included in the script, it just won't excecute. Nothing shows up.

    • top: works fine in the script, but since it needs a manual quit, it kind of stops my script from running, cause it won't stop by itself. I tried "timeout 3s top" but then nothing happens for those 3 seconds, and I won't get any output.

    I tried googleing all day, but I'm running out of ideas. Could someone point me in the right direction here?

    submitted by /u/Conny21
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    Help troubleshooting system attempting to boot from incorrect drive

    Posted: 03 May 2018 01:26 PM PDT

    I had Ubuntu installed on a HDD, then I bought a SSD and freshly installed Fedora by removing all previously existing partitions during the Fedora installation process.

    When I try to boot I always get the error error: file '/boot/grub/i386-pc/normal.mod' not found. Entering rescue mode

    I've gone into my BIOS several times and tried:

    • putting the SSD at the top of the boot priority and;
    • disabling all devices for booting apart from the SSD

    But the result is dropping to the grub rescue prompt in the first case or the system not booting at all. However if I enter a 'one-off' menu which allows me to select a device to boot from I can boot from the SSD. However, I can't make this change persist.

    Can I modify a file somewhere to stop the system from looking for the boot file in the wrong place? I'd appreciate any suggestions as what I can try next as I'm completely stumped..

    Cheers!

    submitted by /u/lentils_and_lettuce
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    Keep Ubuntu awake, but shut monitors off

    Posted: 02 May 2018 11:29 PM PDT

    Hey guys,

    Are there any easy apps (preferably with a 1 click button type of deal, on/off) that would prevent the computer from going to sleep, yet allow the monitors to do so?

    For example, I want to upload a very large file through the browser overnight. Currently I just use presentation mode, but I really don't want my monitors to be on all night as they can burn in (and it's also a waste of electricity)

    Any solutions?

    submitted by /u/WeirdPneumaticCheese
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    Chromebook + Linux = Great budget coder?

    Posted: 03 May 2018 08:45 AM PDT

    Good morning Linux community. I've been considering either a refurbished Thinkpad or a Chromebook (specifically the Lenovo 100e, 11inch, Intel Celeron N3350, 4gb, 32gb eMMC storage) for coding while I'm on the go. Will it hold up for front end web development? Perhaps back end and computer science related material?

    Thanks

    submitted by /u/Lidoptics
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    Debian/Sid, desktop environment crashing after login, how to rollback apt dist-grade???

    Posted: 03 May 2018 11:52 AM PDT

    Backstory: I have a Debian Sid (should of used stable, hindsight is 20/20) on my laptop and never had a problem with it until today. It boots fine, loads lightdm, but if I login into MATE I just get a black screen. Logging into gnome3 seems to work just fine.

    Happens loading kernal 4.16 or 4.15. Since I had last rebooted I ran a dist-upgrade so I suspect it must have something to do with that? How would I go about rolling back the upgrade? I have apt logs from the last few days, last nights was probably the one that did it (I also ran it once in gnome3 today). Any ideas? I figure I should just start rolling back packages but I don't know how, or if, I should do that. Below are my update logs too if anyone sees one in particular. Thanks!

    Start-Date: 2018-05-02 21:36:03 Commandline: apt-get upgrade Requested-By: macy (1000) Upgrade: libjson-glib-1.0-0:amd64 (1.4.2-3, 1.4.2-4), libmpx2:amd64 (8-20180425-1, 8.1.0-1), linux-libc-dev:amd64 (4.15.17-1, 4.16.5-1), libegl-mesa0:amd64 (17.3.9-1, 18.0.2-2), libglapi-mesa:amd64 (17.3.9-1, 18.0.2-2), gcc-8-base:amd64 (8-20180425-1, 8.1.0-1), libgpg-error0:amd64 (1.29-4, 1.30-1), libitm1:amd64 (8-20180425-1, 8.1.0-1), libegl1-mesa:amd64 (17.3.9-1, 18.0.2-2), libquadmath0:amd64 (8-20180425-1, 8.1.0-1), libgbm1:amd64 (17.3.9-1, 18.0.2-2), libgcc1:amd64 (1:8-20180425-1, 1:8.1.0-1), libwayland-client0:amd64 (1.14.0-2, 1.15.0-1), libtsan0:amd64 (8-20180425-1, 8.1.0-1), libjson-glib-1.0-common:amd64 (1.4.2-3, 1.4.2-4), liblsan0:amd64 (8-20180425-1, 8.1.0-1), libgomp1:amd64 (8-20180425-1, 8.1.0-1), libasound2-plugins:amd64 (1.1.1-1, 1.1.6-1), libgl1-mesa-glx:amd64 (17.3.9-1, 18.0.2-2), libflac8:amd64 (1.3.2-1, 1.3.2-2), libzstd1:amd64 (1.3.4+dfsg-1, 1.3.4+dfsg-2), libatomic1:amd64 (8-20180425-1, 8.1.0-1), gir1.2-json-1.0:amd64 (1.4.2-3, 1.4.2-4), libcc1-0:amd64 (8-20180425-1, 8.1.0-1), libstdc++6:amd64 (8-20180425-1, 8.1.0-1), poppler-data:amd64 (0.4.9-1, 0.4.9-2), libwayland-server0:amd64 (1.14.0-2, 1.15.0-1), libglx-mesa0:amd64 (17.3.9-1, 18.0.2-2), libwayland-cursor0:amd64 (1.14.0-2, 1.15.0-1) End-Date: 2018-05-02 21:36:11

    Ran AutoRemove

    Start-Date: 2018-05-02 22:11:51 Commandline: apt autoremove Requested-By: macy (1000) Remove: libx265-146:amd64 (2.6-3) End-Date: 2018-05-02 22:11:52

    dist-upgrade

    Start-Date: 2018-05-02 22:13:10 Commandline: apt-get dist-upgrade Requested-By: macy (1000) Install: libwayland-egl1:amd64 (1.15.0-1, automatic), libllvm6.0:amd64 (1:6.0-3, automatic), linux-image-4.16.0-1-amd64:amd64 (4.16.5-1, automatic) Upgrade: libxatracker2:amd64 (17.3.9-1, 18.0.2-2), linux-image-amd64:amd64 (4.15+92, 4.16+93), libwayland-egl1-mesa:amd64 (17.3.9-1, 18.0.2-2), libgl1-mesa-dri:amd64 (17.3.9-1, 18.0.2-2), mesa-vdpau-drivers:amd64 (17.3.9-1, 18.0.2-2), mesa-va-drivers:amd64 (17.3.9-1, 18.0.2-2) End-Date: 2018-05-02 22:13:40

    And the one I ran today

    Start-Date: 2018-05-03 13:02:54 Commandline: apt-get upgrade Requested-By: macy (1000) Upgrade: libatk-wrapper-java:amd64 (0.33.3-20, 0.33.3-21), libgpg-error0:amd64 (1.30-1, 1.31-1), nano:amd64 (2.9.5-1, 2.9.6-1), alsa-utils:amd64 (1.1.3-1, 1.1.6-1), readline-common:amd64 (7.0-3, 7.0-4), libatk-wrapper-java-jni:amd64 (0.33.3-20, 0.33.3-21), fonts-noto-color-emoji:amd64 (0~20180424-1, 0~20180424-2), libdee-1.0-4:amd64 (1.0.10-3.1+b2, 1.0.10-3.2), libreadline7:amd64 (7.0-3+b1, 7.0-4), libgit2-26:amd64 (0.26.0+dfsg.1-1.1+b2, 0.26.0+dfsg.1-1.2), libslang2:amd64 (2.3.2-1, 2.3.2-1+b1) End-Date: 2018-05-03 13:02:59

    Edit: Or should I just wait a few days and then update it again to see if it's fixed? I know things break in unstable (again, hindsight) but isn't the flip side that things get fixed pretty quickly? I can use my mint install for a couple days if that's the case.

    submitted by /u/ctrlAltVogue
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    New to Ubuntu (SecureBoot, Veracrypt, User Accounts)

    Posted: 03 May 2018 05:33 AM PDT

    I realy want to switch from Win to Ubuntu, but I have difficulties in the following fields:

    I have disabled Secure Boot while installing Ubuntu. Can I safely re-enable it after the installation? Does it bring extra security?

    Mounting Drives / Files via Veracrypt as an "normal" ubuntu user does not work. Veracrypt asks for the root password and then says it´s not working. I have googled workarounds but they all seem unsafe. What should I do?

    How safe is it to login and work as the "first" user (with admin privileges)? I would like to work as a "normal" user, but I need to work with Veracrypt.

    THANK YOU!

    submitted by /u/diekholzen
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    KDE Neon, NFS mounts, and Dolphin - unimpressive performance?

    Posted: 03 May 2018 11:31 AM PDT

    I'm fairly new to Linux as a desktop, although I have run a Debian-based (OpenMediaVault) server for some time now. I have three shares mounted in /etc/fstab. While browsing the mounts in Dolphin, any time changes are made to the files or folders (moving, creating new files, etc.) I have to refresh the window manually before the contents are updated. Also, sometimes I move some files using Midnight Commander or rutorrent on the server, and not only do I have to manually refresh to see the changes, but sometimes empty folders are left behind.

    I had expected that viewing and navigating mounted shares would be more natural than using Samba on Windows 10 (which I just gave up a few days ago), but Windows Explorer rarely needed to be refreshed and all changes were reflected immediately.

    Am I mounting these folders in a suboptimal way? Should I be using SSHFS instead of NFS? Why are Linux filesystems mounted to a Linux OS clunkier to operate than when they were mounted on Windows?

    submitted by /u/flvinny521
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    Unable to boot into Linux Mint.

    Posted: 03 May 2018 11:06 AM PDT

    Basically I went out of my depth as a new Linux user and in an attempt to fix a (now) minor problem, I checked the 'Graphics Support' under the linux mint sub FAQ for help.

    I tried to enable DRI3 as seen here with the commands shown before properly having installed AMD MESA which I guess caused my problem.

    Saved and rebooted, but now I'm unable to boot into Linux at all (still have W10 as dual boot)

    When booting I see:

    • usb device descriptor read/64 error -110

    • usb device descriptor read/64 error -32

    • cannot get freq at ep 0x1

    • no caching mode page found, assuming drive cache write through linux

    • several cannot get min/max values for control X

     

    I have tried:

    • removing all usb's, then it simply boots into a black screen with a blinking underscore in top left corner, but with no errors.

    • Adding 'nomodeset' in the GRUB menu but this has no effect.

    • Removed 'quiet splash' in GRUB menu to see where it fails, but it always asks me to log in before I can see where it fails, but I assume I completely messed up my GPU.

     

    Linux Mint 18.3 Cinnamon x64

    GPU Radeon fury

    CPU i7-2600K

    Windows 10 dual-boot

     

    If you need more info, let me know. Any tips would be greatly appreciated!

    submitted by /u/Ecotroa
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    No right click on trackpad? Dell XPS 13

    Posted: 03 May 2018 05:01 AM PDT

    I've got a dell xps 13 and just installed ubuntu (deeply steeped windows user/linux virgin), and am having a really frustrating time as my right click on my track pad doesnt work.

    Googling led me to these posts which propose altering some parameters in a .conf file:

    https://askubuntu.com/questions/957099/dell-vostro-3568-model-ubuntu-17-04-touch-pad-left-and-right-click-behaving-same/957831#957831

    https://askubuntu.com/questions/608843/dell-xps-13-cannot-right-click?utm_medium=organic&utm_source=google_rich_qa&utm_campaign=google_rich_qa

    However, I do not have the synaptics.conf file in that location.

    So, I thought I'd just create that file with the parameters required - but I can't right click to create the file! lol

    Figure I have to create it in terminal; open in terminal; write the parameters; save; and reboot..?

    But as I really don't know how to do that, I'd really appreciate any help - thanks in advance!

    submitted by /u/jafflemonkey
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    compiling Debian packages "by hand"

    Posted: 03 May 2018 10:34 AM PDT

    Hello everybody,

    For work I use a software on my university cluster. I used to be able to compile it by myself but now the admins did something to the cluster and I can only use the package delivered on Debian.

    Sadly there is a component which is not working (I use this component rarely, so most of the time it is not a problem, but now I would like to use it), and I think that everything could be solved by changing a flag in the compilation, so I was thinking if there is a way (for a non-root) to be able to get the package, fix the flag and run the compilation with the other parameters untouched in order to obtain a working binary (I don't care if it is or not a good practice, for now almost everything is working, but for some operation I would need this modified package, nothing would depend on this modified binary).

    Just to reiterate, the reason why I'd like to try in this convolute way is that the package works "out of the box", while when I try to compile it by myself it is not working.

    Cheers!

    submitted by /u/ta314413
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    Problem with new install of Mint Cinnamon

    Posted: 03 May 2018 06:34 AM PDT

    Just did a fresh install. While adding programs I had a couple issues.

    1. After reboot the terminal text is grey to near black that its barely readable. I cant seem to find where to change that back to normal. downloading and using an external terminal looks fine.

    2. Problem with some apps not running due to nginx-full error.

      ● nginx.service - A high performance web server and a reverse proxy server Loaded: loaded (/lib/systemd/system/nginx.service; enabled; vendor preset: enabled) Active: failed (Result: exit-code) since Thu 2018-05-03 09:07:19 EDT; 22s ago Docs: man:nginx(8) Process: 6470 ExecStart=/usr/sbin/nginx -g daemon on; master_process on; (code=exited, status=1/FAILURE) Process: 6468 ExecStartPre=/usr/sbin/nginx -t -q -g daemon on; master_process on; (code=exited, status=0/SUCCESS)

      May 03 09:07:16 evo-UX410UAK nginx[6470]: nginx: [emerg] bind() to 0.0.0.0:80 failed (98: Address already in use) May 03 09:07:17 evo-UX410UAK nginx[6470]: nginx: [emerg] bind() to 0.0.0.0:80 failed (98: Address already in use) May 03 09:07:17 evo-UX410UAK nginx[6470]: nginx: [emerg] bind() to 0.0.0.0:80 failed (98: Address already in use) May 03 09:07:18 evo-UX410UAK nginx[6470]: nginx: [emerg] bind() to 0.0.0.0:80 failed (98: Address already in use) May 03 09:07:18 evo-UX410UAK nginx[6470]: nginx: [emerg] bind() to 0.0.0.0:80 failed (98: Address already in use) May 03 09:07:19 evo-UX410UAK nginx[6470]: nginx: [emerg] still could not bind() May 03 09:07:19 evo-UX410UAK systemd[1]: nginx.service: Control process exited, code=exited status=1 May 03 09:07:19 evo-UX410UAK systemd[1]: Failed to start A high performance web server and a reverse proxy server. May 03 09:07:19 evo-UX410UAK systemd[1]: nginx.service: Unit entered failed state. May 03 09:07:19 evo-UX410UAK systemd[1]: nginx.service: Failed with result 'exit-code'. ~

    I attempted to uninstall apache2 and saw this.

    I was trying to install megasync when the error for nginx-full comes up. Then the above error. When i check port 80 i get this:

    Recv-Q Send-Q Local Address:Port Peer Address:Port 0 128 127.0.0.1:http *:* users:(("gsad",pid=1100,fd=5)) 

    When I try to change gsad to another port I get an error.

    submitted by /u/wildscholar
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    Is it bad to use Legacy boot mode if it's the only way Linux will boot?

    Posted: 03 May 2018 10:18 AM PDT

    HP Stream 13" laptop, previously Windows.

    I installed Linux on my USB and it ran fine. Installed it on my computer and restarted and it wouldn't boot: said "The boot image failed to authenticate". I ran it off the USB again to find out what to do, and it said to switch to "Legacy" boot mode.

    This works, but I am wondering if there are any downsides to this setting? Security risks, etc.

    Thanks! :) And thanks to everyone in the other thread for all your help!

    submitted by /u/unsureartsstudent
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    [Manjaro] System upgrade fails

    Posted: 03 May 2018 06:18 AM PDT

    Hi guys, since for some reason I don't receive the account verification Email for the Manjaro forum I'm asking here. When trying to upgrade the system (-Syu), pacman tells me about missing files and conflicting packages and stops the process.. Anyone got an Idea how to resolve this?

    Here's what the terminal gives: :: Synchronizing package databases... core is up to date extra is up to date community is up to date multilib is up to date :: Starting full system upgrade... :: Replace gnome-themes-standard with extra/gnome-themes-extra? [Y/n] error: could not open file /var/lib/pacman/local/grub-2.03.0-4/desc: No such file or directory :: Replace wxpython with community/python2-wxpython3? [Y/n] resolving dependencies... looking for conflicting packages... :: poppler and poppler-qt4 are in conflict. Remove poppler-qt4? [y/N] error: unresolvable package conflicts detected error: failed to prepare transaction (conflicting dependencies) :: poppler and poppler-qt4 are in conflict (poppler-qt4<0.63.0)

    submitted by /u/ElPanaa
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    Slow/fluctuating file transfer between USB - HDD

    Posted: 03 May 2018 06:15 AM PDT

    I'll start off with saying I'm new to both linux (and reddit). I switched from Windows 10 a couple of days ago, so I'm not completely familiar with how everything works.

    I'm trying to move a file (about 3.3gbs) onto a USB key. At the start, it went at about 51mb/s. After the 1GB transfer mark, the speed went down quite a bit, and fluctuates between 2.2mb/s to as low as 200kb/s. This was never an issue when I had Windows installed, and I'm wondering that if maybe I did something wrong somewhere?

    I installed the same Linux version (Mint 18.3 XFCE) on another laptop, and it doesn't have this issue whatsoever.

    Any links/help/stuff appreciated! <3

    submitted by /u/lizzielynn
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    Informative Websites

    Posted: 03 May 2018 09:59 AM PDT

    Hey everyone!

    What are some informative websites to help keep me up-to-date about the latest in ALL things tech, not just with Linux?

    Thanks!

    submitted by /u/Xurin_Tech
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    Right-click function not working on my new Ubuntu minimal install?

    Posted: 03 May 2018 08:15 AM PDT

    I feel like a huge noob for asking this, but is this just a new GNOME thing or something? When I want to right click- say the background to change wallpaper, or a file to rename it, nothing happens. In some instances, I can hold down left click (like to remove things from the toolbar), but in others it makes icons seemingly impossible to interact with. Can someone tell me what's going on so I can rename my files? Edit: Also not working in Mozilla, when I try to save images.

    submitted by /u/RIUFabian
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