matthewsnyder‭

Unix is very permissive with filenames, and this can sometimes lead to a bunch of annoying corner cases when printing files. A well known example is when you put a newline in a filename, and it bre...

2 answers  ·  posted 2y ago by matthewsnyder‭  ·  last activity 2y ago by terdon‭

I have a static website I serve with Caddy. The Caddy is inside a container. I notice that occasionally I get malicious requests, looking at the paths requested. Some examples are: /cgi-bin/luc...

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

How can I view font files, like .ttf, in Linux? I'd like to see a sample of the font (quick brown fox...) and metadata about it (like exact name).

2 answers  ·  posted 2y ago by matthewsnyder‭  ·  last activity 2y ago by andrew.46‭

We are all Linux users and enthusiasts on this site, as well as caring about FOSS. Although technically this is a site for technical Q&A, I think some level of Linux activism is possibly benefi...

3 answers  ·  posted 2y ago by matthewsnyder‭  ·  last activity 2y ago by LAFK‭

Don't answer too many questions Avoid major tag gaps Keep the front page lively. My armchair analysis is that the funnel for this site is like this: User gets linked from internet search ...

posted 2y ago by matthewsnyder‭  ·  edited 1y ago by matthewsnyder‭

Suppose I want to limit what characters are allowed in filenames. For example, I want file creation to fail if there is a \n in the name. Is there a way to enforce this? If it matters, I prefer a...

2 answers  ·  posted 2y ago by matthewsnyder‭  ·  last activity 2y ago by Basile Starynkevitch‭

Sometimes I share Unix commands online, and people chastise me for "useless use of cat" (UUOC) or "cat abuse". My cat is quite comfy and doing very well, thank you. What are they talking about?

3 answers  ·  posted 2y ago by matthewsnyder‭  ·  last activity 1y ago by Canina‭

If I had a fast drive (SSD) and a slow one (HDD), what parts of my Linux system should go on the fast one?

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

There are several options, like xargs and for. I'll leave those for other answers and only describe my favorite, GNU Parallel. You will have to install it separately, because unlike the inferior xa...

posted 2y ago by matthewsnyder‭  ·  edited 2y ago by matthewsnyder‭

What you're looking for is called process substitution. In Bash and many bash-like shells, you can use <(foo_command --with --arguments) instead of the file path: diff <(ls /home/alice) &lt...

posted 2y ago by matthewsnyder‭  ·  edited 2y ago by BryKKan‭

There are many GUI apps on my computer that show up as eg. items in the start menu. When I launch these, what if I want to control how exactly they are launched, such as setting environment variabl...

1 answer  ·  posted 2y ago by matthewsnyder‭  ·  last activity 2y ago by matthewsnyder‭

When running sed through fish, I often encounter a problem with regexes. Many commonly used regex control characters like []{}().+ need to be escaped, even if I type the regex in a single quoted st...

2 answers  ·  posted 2y ago by matthewsnyder‭  ·  last activity 2y ago by terdon‭

I've been learning some Linux and I finally feel like I can find my way around the command line. But now I hear people say there are other, "non-POSIX" kinds of shell, with different semantics. Wha...

1 answer  ·  posted 2y ago by matthewsnyder‭  ·  last activity 2y ago by matthewsnyder‭

On a default Arch install, faillock makes it so that if you enter the sudo password wrong too many times, even the correct password will be rejected until the timer is up. At the same time, you ca...

0 answers  ·  posted 2y ago by matthewsnyder‭

I use Wine to play Windows games. As is well known: Wine is not a sandbox Windows games are proprietary blobs and can contain malware Windows malware can potentially harm Linux through Wine ...

1 answer  ·  posted 2y ago by matthewsnyder‭  ·  last activity 2y ago by r~~‭