sysctl


```typesysctl -ainxi -Fxz```





- ask-password error solve
```typesudo -iecho 1048576 > /proc/sys/fs/inotify/max_user_watchesexit```

```typesudo nano /etc/sysctl.conf# applysysctl -p```


> [How to reload sysctl.conf variables on Linux - nixCraft](https://www.cyberciti.biz/faq/reload-sysctl-conf-on-linux-using-sysctl/)

> [Failed to add /run/systemd/ask-password to directory watch: No space left on device?](https://askubuntu.com/questions/828779/failed-to-add-run-systemd-ask-password-to-directory-watch-no-space-left-on-dev)




