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Q&A How to get a new IP address from DHCP?

How do I make my computer request a new IP from DHCP? I am using Arch with NetworkManager.

1 answer  ·  posted 1y ago by matthewsnyder‭  ·  last activity 1y ago by matthewsnyder‭

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Q&A Getting a Module Error When Running Pytest Even Though the Module is Installed in the Current Virtual Environment

Hello everyone, I am encountering an issue when running pytest in my virtual environment. Although I have installed the required modules in my virtual environment using pip, I am still getting a M...

2 answers  ·  posted 1y ago by ShadowsRanger‭  ·  last activity 5mo ago by Karl Knechtel‭

Question manjaro python
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Meta Suggestion: Basic Linux skills compendium

My thoughts on the matter are clear from the question, but I'll add some example topics that could be covered by this "basics compendium": A "curriculum" of sorts that lists all the basic topics...

posted 1y ago by matthewsnyder‭  ·  edited 1y ago by matthewsnyder‭

Answer
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Q&A What unexpected things can happen if a user runs commands expecting a text file on input lacking a file-final newline?

I tried to think of some for a while, but couldn't find any good ones. That said, there's plenty of programs I don't know. For reference: $ echo -en "hello\nworld" | tee 1.txt | bat -A ───────┬──...

posted 1y ago by matthewsnyder‭  ·  edited 1y ago by matthewsnyder‭

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Q&A how to determine from the command line whether a DVD is encrypted

I am currently ripping a bunch of DVDs. Some are encrypted, and some are not. My method for ripping a DVD depends on whether or not it is encrypted, so I am looking for a command-line method to det...

0 answers  ·  posted 3y ago by Trevor‭  ·  last activity 1y ago by Mithical‭

Question dvd
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Meta How can we grow this community?

I stopped using a former Q&A Network of Sites because of their poor political choices. Before I left, I noticed a number of people who also objected to those politics renaming their usernames ...

posted 3y ago by re89j‭  ·  edited 3y ago by re89j‭

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Q&A VPN tunnel for outgoing connections but still allowing incoming bidirectional connections, using Wireguard or OpenVPN on Linux

For a particular use case, I need to be able to set up a Linux host (specifically Debian) to use a VPN tunnel for routing outgoing connections, but still allow incoming connections outside of that ...

0 answers  ·  posted 3y ago by Canina‭  ·  last activity 1y ago by Mithical‭

Question wireguard openvpn
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Q&A How do I safely replace brew on Big Sur?

Since asking this question I've updated to 12.2 (Monterey), but it's the same problem on either. I was nervous about blowing away my existing brew installation, even if I first captured a list of ...

posted 3y ago by Monica Cellio‭

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Q&A Close all desktop notifications

While there doesn't seem to be a general command like notify-send to hide all notifications, we can use features of our specific notification daemon, like mako in this case, to hide all notificatio...

posted 3y ago by Matthias Braun‭  ·  edited 3y ago by Matthias Braun‭

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Q&A Who creates subdirs under `/run`?

Looking at a few system daemons on my Fedora 36 machine; avahi, rpcbind & chrony. avahi & chrony seem to both do the creating of their /run/<program> directories, rpcbind seems to b...

posted 2y ago by ac000‭

Answer
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Q&A What does capital T mean in the output of 'ls -l'?

I had a nightly cronjob start throwing errors about "inappropriate permissions..." rsync: [generator] failed to set permissions on "/data2/home/redacted/alsoredacted/opt/dell/srvadmin/var/log/open...

2 answers  ·  posted 3y ago by re89j‭  ·  last activity 3y ago by Quasímodo‭

Question linux coreutils ls
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Q&A Docking station block playing of audio on laptop

Use pavucontrol-qt It can be used to investigate configuration of output - in my case comparing what pavucontrol shown with and without docking station indicated that dock was recognized as "USB h...

posted 3y ago by Runaway_from_you_know_what‭

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Q&A Set compose key to Shift + AltGr

You can find a list of options in man xkeyboard-config. Under the section "key to choose the 3rd level" is the one you are after: lv3:ralt_switch_multikey Right Alt; Shift+Right Alt as Compo...

posted 2y ago by Quasímodo‭  ·  edited 2y ago by Quasímodo‭

Answer
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Meta Who should the temporary moderators be?

As we have set up communities here on the Codidact network we've been appointing temporary moderators. Ultimately, of course, we want each community to choose its own moderators; we've been doing ...

2 answers  ·  posted 3y ago by Monica Cellio‭  ·  edited 3y ago by Monica Cellio‭

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Meta Who should the temporary moderators be?

I would like to also nominate Quasímodo‭ Although the community doesn't have a lot of content yet, Quasímodo has contributed generally well-received content on several subject matters (both as qu...

posted 3y ago by Canina‭

Answer
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Q&A Why is libvkd3d1 not upgrading on my system? (lubuntu 20.04 LTS)

Why is libvkd3d1 not upgrading on my system? (lubuntu 20.04 LTS) When I run sudo apt update, apt flags libvkd3d1 and libvkd3d1:i386 as upgradable, but sudo apt upgrade does nothing and reports tha...

1 answer  ·  posted 3y ago by Darth_Muldoon‭  ·  last activity 3y ago by Canina‭

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Q&A How to RTFM well to get a CLI command

The pager less(1) less(1) is the usual pager nowadays; you would do well learning to use it. It's also used for paging the manual pages, in most systems. The most common operation is searching,...

posted 1y ago by alx‭  ·  edited 1y ago by alx‭

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Q&A Rename multiple files which have a variable suffix

You can use rename for this. Many distributions package it; for example, it's apt-get install rename in Debian. In normal usage, it is used to apply an arbitrary regular expression substitution ex...

posted 1y ago by Canina‭  ·  edited 1y ago by Canina‭

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Q&A How can I restrict filename characters?

You could try and convince Linux kernel maintainers, but they are reticent to that. I wonder what they'll do after POSIX.1-202x (Issue 8) possibly will forbid those. Maybe you could patch your ke...

posted 1y ago by alx‭  ·  edited 1y ago by alx‭

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Q&A How to invert command exit code?

How to apply a logical not to a shell command, e.g. in a Bash script? So if the command exited with 0 (success) I would like it to be changed to a non-zero value, and if it exited with a non-zero ...

1 answer  ·  posted 1y ago by Iizuki‭  ·  last activity 11mo ago by Quasímodo‭

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Q&A Alternating 2 keyboard layouts with Key Combination

You probably need to change the permissions on the file to make it executable. You can do that with chmod: chmod +x change-xkbmap.sh To verify, try running ./change-xkbmap.sh in a terminal with...

posted 1y ago by dzaima‭

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Q&A Rename multiple files which have a variable suffix

An easy one-liner in POSIX-compatible shells: for f in *-min.jpg-*; do mv -- "$f" "${f%-*}"; done The only (mildly) tricky concept here is ${f%-*}, which expands to $f minus the shortest suffix...

posted 1y ago by r~~‭  ·  edited 1y ago by terdon‭

Answer
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Q&A VISUAL=gvim makes crontab -e open a new crontab instead of a current one

Specific answer: Use gvim -f. General answer: Use the non-forking mode of your editor, i.e. if you run it in a terminal, it should wait until the editor is closed to return back control to you. E...

posted 1y ago by Quasímodo‭  ·  edited 1y ago by Quasímodo‭

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Meta shell and shell-scripting tags: duplicates?

Is there a difference between these two tags? shell shell-scripting In a sense the first could be a bigger category. E.g. If someone wants to create a new shell, then they may have questions...

1 answer  ·  posted 1y ago by Arpad Horvath‭  ·  last activity 1y ago by matthewsnyder‭

Question discussion tag
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Q&A Looking for a way to sync dotfile content between different machines without introducing security issues

It depends on how much sensitive they are. I have three classes. 1) Very sensitive directories Partitions For my ~/.ssh/, ~/.password-store/, ~/.gnupg/, and ~/.abook/, I have a drive with 4 p...

posted 1y ago by alx‭  ·  edited 1y ago by alx‭

Answer