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#scripting

1 Beitrag1 Beteiligte*r0 Beiträge heute
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Mark Gardner

TIL that software (especially #scripting runtimes like #Python, #Perl, and #NodeJS) running in #Alpine #Linux containers is often slower than in other distros like #Ubuntu. This is despite Alpine being faster on startup and often vastly more efficient with CPU, memory, and storage.

It mostly comes down to Alpine’s use of musl libc rather than #GNU’s glibc. musl is optimized for minimalism, not raw performance. Also, the Alpine packages are often not compiled with as many optimizations.

Hacker News

Debugging Bash Like a Sire

blog.brujordet.no/post/bash/de

Automate attention · Debugging Bash like a SireMany engineers have a strained relationship with Bash. I love it though, but I’m very aware of it’s limitations when it comes to error handling and data structures (or lack thereof). As a result of these limitations I often see Bash scripts written very defensively that define something like: set -euxo pipefail These are bash builtin options that do more or less sensible things. e: Exit immediately when a non-zero exit status is encountered u: Undefined variables throws an error and exits the script x: Print every evaluation. o pipefail: Here we make sure that any error in a pipe of commands will fail the entire pipe instead just carrying on to the next command in the pipe. All of these are quite useful, thought I tend to skip the -u flag as bash scripts often interact with global variables that are set outside my scripts. The -x flag is extremely noisy so it’s most often used manually when debugging. And to be honest, I don’t really use -o pipefail either. I guess this is a good place for a few words of caution when it comes to this approach. Feel free to dig into this reddit comment, but to summarize, the behavior of these flags aren’t consistent across Bash versions and they can break your scripts in unexpected ways.
#HackerNews#Debugging#Bash
Marek

Ich wollte mal schauen, wo bei mir in der Nähe Jellycat Stores sind (Jellycat stellt ganz süße Kuscheltiere her). Zum Glück gibt es auf deren Website ein Store-Finder, leider jedoch werden diese nur via Suche und Google Maps abgezeigt und sind nicht via Mausklick exportierbar.
Aber: Es gibt eine versteckte JSON-Datei mit den Standorten und die kann man dann zu eimer GPX-Datei umwandeln:

codeberg.org/api/packages/mark
codeberg.org/mark22k/jellycat-

#Jellycat#GPX#Programming
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Daniel Wayne Armstrong

This video was helpful in getting me started on writing my own bash script to automate the process of creating ZFS snapshots and doing backups to my home server.

[Video starts at 9:45 where the scripting begins]...

youtu.be/_4wJMUgZloQ?si=JPy19G

youtu.be- YouTubeAuf YouTube findest du die angesagtesten Videos und Tracks. Außerdem kannst du eigene Inhalte hochladen und mit Freunden oder gleich der ganzen Welt teilen.
#ZFS#Bash#Scripting
LINUXexpert.org

🚀 New release from @linuxexpert: SysAdminAutomation-py – a modern Python-based toolkit that replaces your old Bash scripts with clean, portable, cross-platform code.

linuxexpert.org/🚀-introducing-

LINUXexpert · 🚀 Introducing SysAdminAutomation-pyA Smarter, Cross-Platform Toolkit for Modern System Administrators We’re thrilled to announce the official release of SysAdminAutomation-py — a powerful, cross-platform Python-based automation toolkit designed to supercharge your workflow and modernize your infrastructure management practices. This release is the next evolution of our original SysAdminAutomation Bash toolkit. It delivers the same functionality you’ve come to […]
#Linux#Python#SysAdmin
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Michael Zeevi

How would you solve the following use case when #bash #scripting ?

Given a text file and need to insert a line somewhere specific.
Extra challenging: Assume some lines are identical.

This might be worth sharing with @b0rk 's audience.

I'll share a solution I just used at work in the first comment; worth adding to ones #cheatsheet!

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