User JoL - Unix & Linux Stack Exchange

14 votes

5 answers

12k views

How to poweroff when there's no systemd/init (e.g. using init=/bin/bash)?

asked Dec 11, 2018 at 0:06

10 votes

2 answers

1k views

Do typical system call interfaces allow reducing the size of a file (without replacing it with a different inode)?

asked Jan 23, 2019 at 2:07

7 votes

3 answers

391 views

Is parsing scripts at script-runtime ubiquitous to shells or present in other interpreters and how does that work?

asked Jun 13, 2018 at 16:01

7 votes

1 answer

2k views

How are time namespaces supposed to be used?

asked Apr 22, 2021 at 23:27

6 votes

1 answer

2k views

Why is the stdout of a `>()` subshell different if it's part of a redirection (e.g. `> >()`)?

asked Jan 18, 2019 at 20:03

4 votes

1 answer

2k views

Is it normal for tune2fs default mount options to not appear in mount output?

asked Jan 28, 2020 at 23:47

4 votes

4 answers

2k views

Why does `... | sed 's/^/stdout: /'` print on empty stdin when `... > >(sed 's/^/stdout: /')` doesn't?

asked Jan 18, 2019 at 17:42

3 votes

2 answers

143 views

Is there a shorter equivalent to long/path/**/^.(complex|pattern)~long/path/(bad-1|bad-2)/(.) that doesn't require repeating long/path/?

asked Aug 18, 2018 at 0:02

2 votes

1 answer

882 views

How to inspect decrypted TLS/SSL traffic in Wireshark from program not supporting SSLKEYLOGFILE?

asked Dec 4, 2018 at 2:51

2 votes

1 answer

678 views

"Inheritance" in bash; Is there a way to call super in overriding function (without eval)?

asked Jul 13, 2019 at 16:31

2 votes

1 answer

1k views

How come `while true; do echo y; done | true` dies on its own, but `while true; do echo y | cat; done | true` doesn't?

asked Apr 15, 2020 at 18:38

1 vote

1 answer

2k views

`find -type l` matches file while `-type l -o -type f` does not, but only with explicit `-print` [duplicate]

asked Apr 18, 2017 at 8:51

1 vote

2 answers

3k views

Is there a command to get model/driver/ppd of existing printers for use with `lpadmin -m`?

asked Jul 30, 2021 at 1:02

1 vote

0 answers

770 views

How to programmatically determine if a USB device (by bus id) is a keyboard?

asked Jul 17, 2019 at 17:20

0 votes

2 answers

864 views

How to write to terminal device stdin of running process from a different terminal without any prior preparation? [duplicate]

asked Aug 6, 2019 at 17:06

Stack Exchange Network

15 Questions

How to poweroff when there's no systemd/init (e.g. using init=/bin/bash)?

Do typical system call interfaces allow reducing the size of a file (without replacing it with a different inode)?

Is parsing scripts at script-runtime ubiquitous to shells or present in other interpreters and how does that work?

How are time namespaces supposed to be used?

Why is the stdout of a `>()` subshell different if it's part of a redirection (e.g. `> >()`)?

Is it normal for tune2fs default mount options to not appear in mount output?

Why does `... | sed 's/^/stdout: /'` print on empty stdin when `... > >(sed 's/^/stdout: /')` doesn't?

Is there a shorter equivalent to long/path/**/^.(complex|pattern)~long/path/(bad-1|bad-2)/(.) that doesn't require repeating long/path/?

How to inspect decrypted TLS/SSL traffic in Wireshark from program not supporting SSLKEYLOGFILE?

"Inheritance" in bash; Is there a way to call super in overriding function (without eval)?

How come `while true; do echo y; done | true` dies on its own, but `while true; do echo y | cat; done | true` doesn't?

`find -type l` matches file while `-type l -o -type f` does not, but only with explicit `-print` [duplicate]

Is there a command to get model/driver/ppd of existing printers for use with `lpadmin -m`?

How to programmatically determine if a USB device (by bus id) is a keyboard?

How to write to terminal device stdin of running process from a different terminal without any prior preparation? [duplicate]