
error: you need to load the kernel first - 24.04 LTS
Nov 12, 2024 · Stack Exchange Network. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.
Awesome symbols and characters in a bash prompt
Feb 7, 2018 · P.S. On Shapecatcher, I got U+2234 THEREFORE for ∴, U+2192 RIGHTWARDS ARROW for →, U+263F MERCURY for ☿ and U+2605 BLACK STAR for ★. In a bash script, up to bash 4.1, you can write a byte by its code point, but not a character.
What does ` (backquote/backtick) mean in commands?
This is a backtick.A backtick is not a quotation sign. It has a very special meaning. Everything you type between backticks is evaluated (executed) by the shell before the main command (like chown in your examples), and the output of that execution is used by that command, just as if you'd type that output at that place in the command line.
Check if terminal supports 24-bit / true color - linux
Jun 18, 2018 · Here's a simple routine that submits an ANSI query, and pulls characters off the reply. We assume the terminal program is fast, and the 1-tick (0.1 sec) term character timeout will tell us when the reply characters stop coming. The terminating '\n' is sometimes needed to get the terminal program to execute the command.
Any way to make system time go slower or faster? - linux
Sep 18, 2020 · newfreq can be negative or positive, and gives a much finer adjustment than the --tick switch. -s adj, --singleshot adj Slew the system clock by adj usec. -o adj, --offset adj Add a time offset of adj usec.
bash - Understanding backtick (`) - Unix & Linux Stack Exchange
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Optimizing Disk I/O Performance in Linux: Advanced Techniques …
Sep 28, 2023 · In Redhat, there is tuned.And from RHEL 7.9 a tuned-adm list shows. Available profiles: - atomic-guest - Optimize virtual guests based on the Atomic variant - atomic-host - Optimize bare metal systems running the Atomic variant - balanced - General non-specialized tuned profile - cpu-partitioning - Optimize for CPU partitioning - default - Legacy default tuned profile - desktop - Optimize for ...
How to use variables inside single quotes
Jan 10, 2015 · I have an application which takes as an input attributes in double quotes embedded in single quotes. Take for example this right command: command -p 'cluster="cl1"' In order to automate it, I crea...
cp - Copying files from one disk to another disk - Unix & Linux …
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How does the Linux kernel handle shared IRQs?
Footnotes: I specified PCI above because all of the above assumes level-triggered interrupts, as used in the original PCI spec. ISA used edge-triggered interrupts, which made sharing tricky at best, and possible even then only when supported by the hardware.