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mboelen, to linux
@mboelen@mastodon.social avatar

With more people joining after recent news, it may be good to focus on some core commands ๐ŸŽ“

Before you think 'uptime' on the question below, the article got a few alternatives included.

When did a system start? Learn how to query the boot time (uptime) of a system using commands like uptime and ps: https://linux-audit.com/system-administration/faq/how-to-see-when-system-was-started/

Got other options or useful commands that can be added? ๐Ÿ—๏ธ

Feedback and boosts welcome ๐Ÿ‘ท

mboelen,
@mboelen@mastodon.social avatar

@Corb_The_Lesser @visone But then you make the assumption that we only have users that want to use the GUI. On Windows there are also "power users" using PowerShell to automate their work or activities. My goal is to provide information (for free) to anyone that can use it. From the starter that wonders about viruses on up to the Unix wizards. I understand that not everything uses a terminal that often, but that is also the reason to create blog posts: the is not a scary place.

gooba42,
@gooba42@mastodon.social avatar

@Corb_The_Lesser @mboelen @visone There's a very tricky middle ground between scaring them away from the hard parts and hiding the hard parts to turn into a "gotcha" later.

Trying to hit the sweet spot of "this is available and useful if you need it later" is one of the very hard parts of doing user education.

mboelen, to random
@mboelen@mastodon.social avatar

One of the things I always wanted for the Linux Audit blog was more FAQ entries. Quickly find relevant commands or close enough to find alternatives, or read more about a particular tool. Man pages are great, but also they are not...

So with adding the 'iftop' command page today, adding this frequently asked question: How to see active connections and bandwidth usage?

https://linux-audit.com/networking/faq/how-to-see-active-connections-and-bandwidth-usage/

mboelen, to linux
@mboelen@mastodon.social avatar

The command iftop shows ongoing bandwidth usage on one or more network interfaces and is a great tool for troubleshooting network issues.

Doing some tool โš™๏ธ and network analysis, so great option to combine things: https://linux-audit.com/system-administration/commands/iftop/

Feedback and boosts welcome ๐Ÿš€

ncrav,
@ncrav@mas.to avatar

@mboelen it's also great in combination with iotop when assessing trouble in data clusters

mboelen, to linux
@mboelen@mastodon.social avatar

With all those cheat sheets for in the making, I decided to enhance the section page: https://linux-audit.com/cheat-sheets/

Other tools that should be added?

mboelen, to sysadmin
@mboelen@mastodon.social avatar

The tool can be useful, but the amount of options is overwhelming. Collecting the ones that I would use, so that I don't have to look things up next time.

Another cheat sheet to simplify the life of a running

https://linux-audit.com/cheat-sheets/lsof/

Do you have other ones that you on a regular basis and that I missed?

mboelen, to HowTo
@mboelen@mastodon.social avatar

One of the best HTTP clients is the open source tool curl. With ongoing development and continuously new updates, it is worth getting everything out of this powerful tool!

https://linux-audit.com/cheat-sheets/curl/

And as a bonus: @bagder is friendly developer, and also great to follow here on Mastodon! So give the article a go and follow Daniel ๐Ÿ˜‰

This is the first version of the cheat sheet, with some practical examples. Feedback is very welcome, and boosts as well ๐Ÿš€

bagder,
@bagder@mastodon.social avatar

@mboelen that was a fine dinner indeed!

mboelen,
@mboelen@mastodon.social avatar

@bagder While refreshing blog content, I came across this one: https://linux-audit.com/web-changes-with-http2-performance-and-security/

I even blogged about the dinner, yet totally forgot that I did ๐Ÿ˜ฒ

mboelen, to linux
@mboelen@mastodon.social avatar

I'm working on a cheat sheet for . This nifty tool is easily overlooked, but so powerful that it really made me invest more time into learning it.

The initial version of the cheat sheet is available and ready for feedback: https://linux-audit.com/cheat-sheets/awk/

Boosts would be appreciated, and feedback even more!

What are your AWK one-liners that others really need to know and should be included?

Special thanks to @DopeGhoti

ncrav,
@ncrav@mas.to avatar

@mboelen @DopeGhoti Nice work! Always trying to have something I can use to teach newcomers, which in my case are too much spark oriented these days and forget tiny little awk can handle quite a lot ๐Ÿ˜…

mboelen, to security
@mboelen@mastodon.social avatar

Today Lynis 3.1.0 has been released. Never used it before? It's a lightweight tool packed with tests to scan your Linux/Unix systems for and issues. It helps with auditing and system hardening your system or environment.

Cost: free
License: GPLv3
Contributors: many
Website: https://cisofy.com/downloads/lynis/
Project URL: https://github.com/CISOfy/lynis

mboelen, to opensource
@mboelen@mastodon.social avatar

The @nluug opened their Call for Proposals. This is your chance to speak, share, and enjoy!

Date: 2024-05-21
Location: Utrecht, The Netherlands
Website: https://nluug.nl/
CFP: https://cfp.nluug.nl/nluug-voorjaarsconferentie-2024/cfp
CFP tips [EN]: https://nluug.nl/en/events/nluug/cfp/

Don't delay and start submitting! ๐Ÿ˜‰

mboelen, to random
@mboelen@mastodon.social avatar

Like @bert_hubert I removed X from my phone. Had my account already in hibernation mode. With @nluug also leaving the platform, no more need to use the app ๐Ÿ‘‹

alien,
@alien@fosstodon.org avatar

@mboelen @bert_hubert @nluug i think that all of us here must make an effort to convince the not-so-tech-savvy but influential people on X to quit there and join us here.

mboelen,
@mboelen@mastodon.social avatar

@alien
Agree. That is why I announced it clearly on my X timeline a while back as well. If people value a person's messages/knowledge, then they might be persuaded to make the jump or at least try it out. I see in my bubble (not just Linux or security, but also sustainability) that people are coming over. Hopefully that continues, include leaving X.
@bert_hubert @nluug

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