$ ${SOLR_ROOT}/bin/solr status

Here's the output of running this command on my localhost where I have 2 Solr instances and 1 ZooKeeper instance.

Found 2 Solr nodes:

Solr process 7306 running on port 8984
{
  "solr_home":"/opt/solr-i2/server/solr",
  "version":"9.8.1 d998e63978abfedde3b75bab4ba6e1e78ddb5944 - magibney - 2023-01-17 19:58:00",
  "startTime":"2023-03-05T00:03:29.088Z",
  "uptime":"0 days, 0 hours, 29 minutes, 33 seconds",
  "memory":"144.4 MB (%28.2) of 512 MB",
  "cloud":{
    "ZooKeeper":"localhost:2181/solr",
    "liveNodes":"2",
    "collections":"0"
   }
}

Solr process 7214 running on port 8983
{
  "solr_home":"/opt/solr-i1/server/solr",
  "version":"9.8.1 d998e63978abfedde3b75bab4ba6e1e78ddb5944 - magibney - 2023-01-17 19:58:00",
  "startTime":"2023-03-05T00:03:12.286Z",
  "uptime":"0 days, 0 hours, 29 minutes, 52 seconds",
  "memory":"225.9 MB (%44.1) of 512 MB",
  "cloud":{
    "ZooKeeper":"localhost:2181/solr",
    "liveNodes":"2",
    "collections":"0"
  }
}