nohup trick

docs/software/nohup.md

@@ -25,17 +25,38 @@ The output will be in `nohup.out` by default. If you want to customize the outpu
 nohup mycmd &> log.txt &
 ```
 
-To monitor what is inside `nohup.out`
+To monitor what is going on in `nohup.out`
 
 ```sh
 tail -f nohup.out
 ```
 
 ## End the running process
 
-When you're done, you can kill the process by the process ID (PID).
+You can kill the ongoing process by the process ID (PID).
 
 ```sh
 ps -aux | grep mycmd
 kill PID
 ```
+
+## Run a background process with sudo and nohup
+
+Use `sudo -b CMD`
+
+```sh
+nohup sudo -b CMD
+```
+
+## Limit the size of nohup.out
+
+Use [logrotate](https://linux.die.net/man/8/logrotate). Configure something like this in `/etc/logrotate.conf`
+
+```txt title="/etc/logrotate.conf"
+/path/to/nohup.out {
+    size 1024k
+    copytruncate
+    rotate 100
+    maxage 100
+}
+```