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This commit is contained in:
Philipp Heckel 2022-03-15 08:27:17 -04:00
parent 53e08988e7
commit 53375ff559
3 changed files with 37 additions and 5 deletions

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@ -5,13 +5,13 @@ This page is used to list deprecation notices for ntfy. Deprecated commands and
## Active deprecations
### Android app: WebSockets will become the default connection protocol
> since 2022-03-13
> since 2022-03-13, behavior will change in **June 2022**
In future versions of the Android app, instant delivery connections and connections to self-hosted servers will
be using the WebSockets protocol. This potentially requires [configuration changes in your proxy](https://ntfy.sh/docs/config/#nginxapache2caddy).
### Android app: Using `since=<timestamp>` instead of `since=<id>`
> since 2022-02-27
> since 2022-02-27, behavior will change in **May 2022**
In about 3 months, the Android app will start using `since=<id>` instead of `since=<timestamp>`, which means that it will
not work with servers older than v1.16.0 anymore. This is to simplify handling of deduplication in the Android app.

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@ -16,6 +16,27 @@ rsync -a root@laptop /backups/laptop \
|| curl -H tags:warning -H prio:high -d "Laptop backup failed" ntfy.sh/backups
```
## Low disk space alerts
Here's a simple cronjob that I use to alert me when the disk space on the root disk is running low. It's simple, but
effective.
``` bash
#!/bin/bash
mingigs=10
avail=$(df | awk '$6 == "/" && $4 < '$mingigs' * 1024*1024 { print $4/1024/1024 }')
topicurl=https://ntfy.sh/mytopic
if [ -n "$avail" ]; then
curl \
-d "Only $avail GB available on the root disk. Better clean that up." \
-H "Title: Low disk space alert on $(hostname)" \
-H "Priority: high" \
-H "Tags: warning,cd" \
$topicurl
fi
```
## Server-sent messages in your web app
Just as you can [subscribe to topics in the Web UI](subscribe/web.md), you can use ntfy in your own
web application. Check out the <a href="/example.html">live example</a> or just look the source of this page.
@ -93,3 +114,13 @@ Or, if you only want to send notifications using shoutrrr:
```
shoutrrr send -u "generic+https://ntfy.sh/my_watchtower_topic?title=WatchtowerUpdates" -m "testMessage"
```
## Random cronjobs
Alright, here's one for the history books. I desperately want the `github.com/ntfy` organization, but all my tickets with
GitHub have been hopeless. In case it ever becomes available, I want to know immediately.
``` cron
# Check github/ntfy user
*/6 * * * * if curl -s https://api.github.com/users/ntfy | grep "Not Found"; then curl -d "github.com/ntfy is available" -H "Tags: tada" -H "Prio: high" ntfy.sh/my-alerts; fi
~
```

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@ -33,10 +33,11 @@ If you do not care for Firebase, I suggest you install the [F-Droid version](htt
of the app and [self-host your own ntfy server](install.md).
## How much battery does the Android app use?
If you use the ntfy.sh server and you don't use the [instant delivery](subscribe/phone.md#instant-delivery) feature,
If you use the ntfy.sh server, and you don't use the [instant delivery](subscribe/phone.md#instant-delivery) feature,
the Android app uses no additional battery, since Firebase Cloud Messaging (FCM) is used. If you use your own server,
or you use *instant delivery*, the app has to maintain a constant connection to the server, which consumes about 4% of
battery in 17h of use (on my phone). I use it, and it makes no difference to me.
or you use *instant delivery*, the app has to maintain a constant connection to the server, which consumes about 0-1% of
battery in 17h of use (on my phone). There has been a ton of testing and improvement around this. I think it's pretty
decent now.
## What is instant delivery?
[Instant delivery](subscribe/phone.md#instant-delivery) is a feature in the Android app. If turned on, the app maintains a constant connection to the