linuxopsys's profile picture. Learn something new daily from our daily infographic tweets. What to expect to learn from us: Linux🐧, Sysadmin💻, and DevOps. https://linuxopsys.substack.com/

Linuxopsys

@linuxopsys

Learn something new daily from our daily infographic tweets. What to expect to learn from us: Linux🐧, Sysadmin💻, and DevOps. https://linuxopsys.substack.com/

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Hello everyone👋 We are an independent portal that publishes Linux, Sysadmin, and DevOps content. We tweet about Linux, Sysadmin, and DevOps related topics. Our tweets can help you improve your Linux knowledge. Follow us and learn Linux right here on Twitter🐧


Design terminal logos and banners in seconds. A full ANSI Logo Designer & Font Library for the command line. github.com/superstarryeye…

linuxopsys's tweet image. Design terminal logos and banners in seconds. A full ANSI Logo Designer & Font Library for the command line.

github.com/superstarryeye…

Show off your system in style. GhosttyFetch adds animated system info to the Ghostty terminal - lightweight, fast, and fun github.com/BarutSRB/Ghost…

linuxopsys's tweet image. Show off your system in style. GhosttyFetch adds animated system info to the Ghostty terminal - lightweight, fast, and fun

github.com/BarutSRB/Ghost…

I USE LINUX !!! AND I'M NOT A HIPSTER

linuxopsys's tweet image. I USE LINUX !!! AND I'M NOT A HIPSTER

A jq-style CLI utility that lets you parse, filter, and transform Markdown with ease github.com/harehare/mq


A lightweight uptime monitoring dashboard that helps you track website and API availability at a glance. github.com/abhixdd/Uptime…

linuxopsys's tweet image. A lightweight uptime monitoring dashboard that helps you track website and API availability at a glance.

github.com/abhixdd/Uptime…

Tiny, cross-platform CLI AI tool that reads your code changes and instantly creates clear, consistent Git commit messages github.com/rshdhere/vibec…


Meet qo — a minimalist TUI for querying JSON/CSV/TSV with pure SQL. Fast in, clean out. “Query” what you need, get it “Out” to your pipeline github.com/kiki-ki/go-qo


Linuxopsys reposted

Resizing a 1GB buffer sounds expensive. 1. Allocate new 1GB 2. Copy 1GB of data 3. Free old 1GB This burns CPU cycles and trashes your cache. But Linux has a shortcut that makes this lighter. mremap (#25 on x86_64): the syscall that resizes memory without copying bytes. 🧵👇

popovicu94's tweet image. Resizing a 1GB buffer sounds expensive.

1. Allocate new 1GB
2. Copy 1GB of data
3. Free old 1GB

This burns CPU cycles and trashes your cache.

But Linux has a shortcut that makes this lighter.

mremap (#25 on x86_64): the syscall that resizes memory without copying bytes. 🧵👇

It was DNS

linuxopsys's tweet image. It was DNS

/dev/null, and no one will hear you scream.

linuxopsys's tweet image. /dev/null, and no one will hear you scream.

Can anybody with Linux knowledge tell me where this train is going?

yanabantai's tweet image. Can anybody with Linux knowledge tell me where this train is going?


Linuxopsys reposted

Basic Networking in Linux Networking is essential in today’s interconnected world, and Linux provides a powerful set of tools to manage and troubleshoot network connections. This guide covers essential networking concepts, configuration files, commands, and practical tips.…

linuxopsys's tweet image. Basic Networking in Linux

Networking is essential in today’s interconnected world, and Linux provides a powerful set of tools to manage and troubleshoot network connections. 

This guide covers essential networking concepts, configuration files, commands, and practical tips.…

Is this what Mac users think we all look like

linuxopsys's tweet image. Is this what Mac users think we all look like

Good old days

linuxopsys's tweet image. Good old days

Redirections in Linux with Examples Many times, when we execute a command that generates a long output, we wish to capture the results into a file. Other times, we feel lacking when we use commands that don’t have an option for reading files. Here is where file redirection…

linuxopsys's tweet image. Redirections in Linux with Examples

Many times, when we execute a command that generates a long output,  we wish to capture the results into a file. Other times, we feel lacking  when we use commands that don’t have an option for reading files. Here  is where file redirection…

Linux in a nutshell

linuxopsys's tweet image. Linux in a nutshell

7 Free resources to learn Linux & DevOps 1. Linux → linuxopsys.com 2. Bash → blog.sysxplore.com 3. AWS → explore.skillbuilder.aws 4. Azure → learn.microsoft.com 5. DevOps → edx.org/learn/devops 6. Docker → docker-curriculum.com 7. Kubernetes…

linuxopsys's tweet image. 7 Free resources to learn Linux & DevOps 

1. Linux → linuxopsys.com

2. Bash → blog.sysxplore.com

3. AWS → explore.skillbuilder.aws

4. Azure → learn.microsoft.com

5. DevOps → edx.org/learn/devops 

6. Docker → docker-curriculum.com

7. Kubernetes…

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