5.4.4 Performance & tuning
Every entry filed under Performance & tuning and its subtopics.
Level
- Beginner 0
- Intermediate 3
- Advanced 0
What kind of help
- Guided project 0
- Explains an idea 1
- Step by step 0
- Cheat sheet 1
- Fixes an error 1
Works on
- Linux 3
- macOS 1 (selected, select to remove)
- Windows 0
- Browser 0
What do these mean?
- Beginner
- You are new to this topic.
- Intermediate
- You use it, and want to get better.
- Advanced
- You know it well and need the details.
- Guided project
- Build something small from start to finish, step by step.
- Explains an idea
- Plain words on how something works and why.
- Step by step
- Numbered steps to get one task done.
- Cheat sheet
- Commands and options in a table, to look up fast.
- Fixes an error
- An error message, what it means, and how to solve it.
1 entry match these filters
- 0326 Fix: too many open files A process hit its file descriptor limit, usually 1024. Raise it for the shell, the systemd unit or the user, fix a… Intermediate · Fixes an error · Linux, macOS Article Performance & tuning · Processes & ports · Services & systemd 15 Oct 2026