Failing to find bitcoind auth cookie file

[ElectrumBSV]

joe@pop-os:~$ electrs
Starting electrs 0.10.6 on x86_64 linux with Config { network: Bitcoin, db_path: "$hodl/.electrs/db/bitcoin", db_log_dir: None, daemon_dir: "/home/hodl/.bitcoin", daemon_auth: CookieFile("/var/run/bitcoin-mainnet/cookie"), daemon_rpc_addr: 127.0.0.1:8332, daemon_p2p_addr: 127.0.0.1:8333, electrum_rpc_addr: 127.0.0.1:50001, monitoring_addr: 127.0.0.1:4224, wait_duration: 10s, jsonrpc_timeout: 15s, index_batch_size: 10, index_lookup_limit: Some(1000), reindex_last_blocks: 0, auto_reindex: true, ignore_mempool: false, sync_once: false, skip_block_download_wait: false, disable_electrum_rpc: false, server_banner: "Welcome to electrs 0.10.6 (Electrum Rust Server)!", signet_magic: f9beb4d9 }
[2024-10-15T01:18:50.755Z INFO  electrs::metrics::metrics_impl] serving Prometheus metrics on 127.0.0.1:4224
[2024-10-15T01:18:50.755Z INFO  electrs::server] serving Electrum RPC on 127.0.0.1:50001
[2024-10-15T01:18:50.798Z INFO  electrs::db] "$hodl/.electrs/db/bitcoin": 221 SST files, 50.781165209 GB, 6.288829024 Grows
[2024-10-15T01:18:52.100Z INFO  electrs::chain] loading 865494 headers, tip=00000000000000000002cfdedd8358532b2284bc157e1352dbc8682b2067fb0c
[2024-10-15T01:18:53.707Z INFO  electrs::chain] chain updated: tip=00000000000000000002cfdedd8358532b2284bc157e1352dbc8682b2067fb0c, height=865494
[2024-10-15T01:18:53.712Z INFO  electrs::db] closing DB at $hodl/.electrs/db/bitcoin
Error: electrs failed

Caused by:
    0: failed to open bitcoind cookie file: /var/run/bitcoin-mainnet/cookie
    1: No such file or directory (os error 2)

any help in resolving above errors would be appreciated. sorry, noob here.

[romanz]

Please make sure bitcoind is running and that it has written its cookie to /var/run/bitcoin-mainnet/cookie. The path is usually logged when bitcoind is started:

2024-10-15T14:19:57.329325Z Using random cookie authentication.
2024-10-15T14:19:57.329394Z Generated RPC authentication cookie ~/.bitcoin/.cookie
2024-10-15T14:19:57.329406Z Permissions used for cookie: rw-------