Embark demo errored out

[webzest]

I installed Embark with all its dependencies as prescribed in the embark installation documentation; however, when I tried to create an app with the demo variable, it failed with the following errors:

(base) webzest@JSPHOTOGRAPHY:~/ethereum/embark_demo$ embark run
embark info invoked /home/webzest/.nvm/versions/node/v10.17.0/lib/node_modules/embark/bin/embark
embark info located /home/webzest/ethereum/embark_demo/node_modules/embark/bin/embark
embark info Switching from [email protected] to [email protected]

===== locale C detected but not supported, default: en =====
pid 12770 listening on /tmp/embark-5e086be9/embark.ipc
loaded plugins: embark-ipfs, embark-swarm, embark-whisper-geth, embark-geth, embark-parity, embark-profiler, embark-graph, embark-basic-pipeline
/home/webzest/ethereum/embark_demo/.embark/chains.json file not found, creating it...
Cockpit UI available at http://localhost:55555
Blockchain node is ready
Starting Whisper node in another process
IPFS node not found, attempting to start own node
Starting ipfs process
HTTP Proxy for node endpoint ws://localhost:8546 listening on http://localhost:8555
WS Proxy for node endpoint ws://localhost:8546 listening on ws://localhost:8556
geth error: Incorrect Usage. flag provided but not defined: -wsport

geth error: NAME:

geth error: geth - the go-ethereum command line interface

Copyright 2013-2021 The go-ethereum Authors

USAGE:
geth [options] [command] [command options] [arguments...]

VERSION:
1.10.9-stable-eae3b194

geth error:
COMMANDS:

geth error: account Manage accounts
attach Start an interactive JavaScript environment (connect to node)
console Start an interactive JavaScript environment
db
geth error: Low level database operations
dump Dump a specific block from storage
dumpconfig Show configuration values
dumpgenesis Dumps genesis block JSON configuration to stdout
export Export blockchain into file
export-preimages Export the preimage database into an RLP stream
import Import a blockchain file
import-preimages Import the preimage database from an RLP stream
init Bootstrap and initialize a new genesis block
js Execute the specified JavaScript files

geth error: license Display license information
makecache Generate ethash verification cache (for testing)
makedag Generate ethash mining DAG (for testing)
removedb Remove blockchain and state databases
show-deprecated-flags Show flags that have been deprecated
snapshot A set of commands based on the snapshot
version Print version numbers
version-check Checks (online) whether the current version suffers from any known security vulnerabilities
wallet Manage Ethereum presale wallets
help, h
geth error: Shows a list of commands or help for one command

ETHEREUM OPTIONS:

geth error: --config value TOML configuration file
--datadir value Data directory for the databases and keystore (default: "/home/webzest/.ethereum") --datadir.ancient value Data directory for ancient chain segments (default = inside chaindata)
--datadir.minfreedisk value Minimum free disk space in MB, once reached triggers auto shut down (default = --cache.gc converted to MB, 0 = disabled)
--keystore value
geth error: Directory for the keystore (default = inside the datadir)
--usb Enable monitoring and management of USB hardware wallets
--pcscdpath value Path to the smartcard daemon (pcscd) socket file (default: "/run/pcscd/pcscd.comm")
--networkid value Explicitly set network id (integer)(For testnets: use --ropsten, --rinkeby, --goerli instead) (default: 1)
--mainnet Ethereum mainnet
--goerli Görli network: pre-configured proof-of-authority test network
--rinkeby Rinkeby network: pre-configured proof-of-authority test network
--ropsten Ropsten network: pre-configured proof-of-work test network
--syncmode value Blockchain sync mode ("fast", "full", "snap" or "light") (default: snap)
--exitwhensynced
geth error: Exits after block synchronisation completes
--gcmode value Blockchain garbage collection mode ("full", "archive") (default: "full")
--txlookuplimit value Number of recent blocks to maintain transactions index for (default = about one year, 0 = entire chain) (default: 2350000)
--ethstats value Reporting URL of a ethstats service (nodename:secret@host:port)
--identity value Custom node name
--lightkdf Reduce key-derivation RAM & CPU usage at some expense of KDF strength
--whitelist value Comma separated block number-to-hash mappings to enforce (=)

LIGHT CLIENT OPTIONS:

geth error: --light.serve value Maximum percentage of time allowed for serving LES requests (multi-threaded processing allows values over 100) (default: 0)
--light.ingress value Incoming bandwidth limit for serving light clients (kilobytes/sec, 0 = unlimited) (default: 0)
--light.egress value Outgoing bandwidth limit for serving light clients (kilobytes/sec, 0 = unlimited) (default: 0)
--light.maxpeers value Maximum number of light clients to serve, or light servers to attach to (default: 100)
--ulc.servers value List of trusted ultra-light servers
geth error:
--ulc.fraction value Minimum % of trusted ultra-light servers required to announce a new head (default: 75)
--ulc.onlyannounce Ultra light server sends announcements only
--light.nopruning Disable ancient light chain data pruning
--light.nosyncserve Enables serving light clients before syncing

DEVELOPER CHAIN OPTIONS:

geth error: --dev Ephemeral proof-of-authority network with a pre-funded developer account, mining enabled
--dev.period value Block period to use in developer mode (0 = mine only if transaction pending) (default: 0)

ETHASH OPTIONS:

geth error: --ethash.cachedir value Directory to store the ethash verification caches (default = inside the datadir)
--ethash.cachesinmem value Number of recent ethash caches to keep in memory (16MB each) (default: 2)
--ethash.cachesondisk value Number of recent ethash caches to keep on disk (16MB each) (default: 3)
--ethash.cacheslockmmap Lock memory maps of recent ethash caches
--ethash.dagdir value Directory to store the ethash mining DAGs (default: "/home/webzest/.ethash")
--ethash.dagsinmem value Number of recent ethash mining DAGs to keep in memory (1+GB each) (default: 1)
--ethash.dagsondisk value Number of recent ethash mining DAGs to keep on disk (1+GB each) (default: 2)
--ethash.dagslockmmap Lock memory maps for recent ethash mining DAGs

TRANSACTION POOL OPTIONS:
geth error:
--txpool.locals value Comma separated accounts to treat as locals (no flush, priority inclusion)
--txpool.nolocals Disables price exemptions for locally submitted transactions
--txpool.journal value
geth error: Disk journal for local transaction to survive node restarts (default: "transactions.rlp")
--txpool.rejournal value Time interval to regenerate the local transaction journal (default: 1h0m0s)
--txpool.pricelimit value Minimum gas price limit to enforce for acceptance into the pool (default: 1)
--txpool.pricebump value Price bump percentage to replace an already existing transaction (default: 10)
--txpool.accountslots value Minimum number of executable transaction slots guaranteed per account (default: 16)
--txpool.globalslots value Maximum number of executable transaction slots for all accounts (default: 5120)
--txpool.accountqueue value Maximum number of non-executable transaction slots permitted per account (default: 64)
--txpool.globalqueue value Maximum number of non-executable transaction slots for all accounts (default: 1024)
--txpool.lifetime value Maximum amount of time non-executable transaction are queued (default: 3h0m0s)

PERFORMANCE TUNING OPTIONS:

geth error: --cache value Megabytes of memory allocated to internal caching (default = 4096 mainnet full node, 128 light mode) (default: 1024)
--cache.database value Percentage of cache memory allowance to use for database io (default: 50)
--cache.trie value Percentage of cache memory allowance to use for trie caching (default = 15% full mode, 30% archive mode) (default: 15)
--cache.trie.journal value Disk journal directory for trie cache to survive node restarts (default: "triecache")
--cache.trie.rejournal value Time interval to regenerate the trie cache journal (default: 1h0m0s)
--cache.gc value Percentage of cache memory allowance to use for trie pruning (default = 25% full mode, 0% archive mode) (default: 25)
--cache.snapshot value Percentage of cache memory allowance to use for snapshot caching (default = 10% full mode, 20% archive mode) (default: 10)

geth error: --cache.noprefetch Disable heuristic state prefetch during block import (less CPU and disk IO, more time waiting for data)
--cache.preimages Enable recording the SHA3/keccak preimages of trie keys

ACCOUNT OPTIONS:
--unlock value Comma separated list of accounts to unlock
--password value Password file to use for non-interactive password input
--signer value External signer (url or path to ipc file)
--allow-insecure-unlock Allow insecure account unlocking when account-related RPCs are exposed by http

geth error: API AND CONSOLE OPTIONS:

geth error: --ipcdisable Disable the IPC-RPC server
--ipcpath value Filename for IPC socket/pipe within the datadir (explicit paths escape it)
--http
geth error: Enable the HTTP-RPC server
--http.addr value HTTP-RPC server listening interface (default: "localhost")
--http.port value HTTP-RPC server listening port (default: 8545)
--http.api value API's offered over the HTTP-RPC interface
--http.rpcprefix value HTTP path path prefix on which JSON-RPC is served. Use '/' to serve on all paths.
--http.corsdomain value Comma separated list of domains from which to accept cross origin requests (browser enforced)
--http.vhosts value Comma separated list of virtual hostnames from which to accept requests (server enforced). Accepts '' wildcard. (default: "localhost")
--ws Enable the WS-RPC server
--ws.addr value WS-RPC server listening interface (default: "localhost")
--ws.port value WS-RPC server listening port (default: 8546)
--ws.api value API's offered over the WS-RPC interface
--ws.rpcprefix value HTTP path prefix on which JSON-RPC is served. Use '/' to serve on all paths.
--ws.origins value
geth error: Origins from which to accept websockets requests
--graphql Enable GraphQL on the HTTP-RPC server. Note that GraphQL can only be started if an HTTP server is started as well.
--graphql.corsdomain value Comma separated list of domains from which to accept cross origin requests (browser enforced)
--graphql.vhosts value Comma separated list of virtual hostnames from which to accept requests (server enforced). Accepts '' wildcard. (default: "localhost")
--rpc.gascap value Sets a cap on gas that can be used in eth_call/estimateGas (0=infinite) (default: 50000000)
--rpc.txfeecap value Sets a cap on transaction fee (in ether) that can be sent via the RPC APIs (0 = no cap) (default: 1)
--rpc.allow-unprotected-txs Allow for unprotected (non EIP155 signed) transactions to be submitted via RPC
--jspath loadScript JavaScript root path for loadScript (default: ".")
--exec value Execute JavaScript statement
--preload value Comma separated list of JavaScript files to preload into the console

NETWORKING OPTIONS:

geth error: --bootnodes value Comma separated enode URLs for P2P discovery bootstrap
--discovery.dns value Sets DNS discovery entry points (use "" to disable DNS)
--port value Network listening port (default: 30303)
--maxpeers value Maximum number of network peers (network disabled if set to 0) (default: 50)
--maxpendpeers value Maximum number of pending connection attempts (defaults used if set to 0) (default: 0)
--nat value NAT port mapping mechanism (any|none|upnp|pmp|extip:) (default: "any")
--nodiscover Disables the peer discovery mechanism (manual peer addition)
--v5disc
geth error: Enables the experimental RLPx V5 (Topic Discovery) mechanism
--netrestrict value Restricts network communication to the given IP networks (CIDR masks)
--nodekey value P2P node key file
--nodekeyhex value P2P node key as hex (for testing)

MINER OPTIONS:

geth error: --mine Enable mining
--miner.threads value Number of CPU threads to use for mining (default: 0)
--miner.notify value Comma separated HTTP URL list to notify of new work packages
--miner.notify.full Notify with pending block headers instead of work packages
--miner.gasprice value
geth error: Minimum gas price for mining a transaction (default: 1000000000)
--miner.gaslimit value Target gas ceiling for mined blocks (default: 8000000)
--miner.etherbase value Public address for block mining rewards (default = first account) (default: "0")
--miner.extradata value Block extra data set by the miner (default = client version)
--miner.recommit value Time interval to recreate the block being mined (default: 3s)
--miner.noverify Disable remote sealing verification

GAS PRICE ORACLE OPTIONS:

geth error: --gpo.blocks value Number of recent blocks to check for gas prices (default: 20)
--gpo.percentile value Suggested gas price is the given percentile of a set of recent transaction gas prices (default: 60)
--gpo.maxprice value Maximum gas price will be recommended by gpo (default: 500000000000)
--gpo.ignoreprice value Gas price below which gpo will ignore transactions (default: 2)

VIRTUAL MACHINE OPTIONS:
--vmdebug
geth error: Record information useful for VM and contract debugging

LOGGING AND DEBUGGING OPTIONS:

geth error: --fakepow Disables proof-of-work verification
--nocompaction Disables db compaction after import
--verbosity value Logging verbosity: 0=silent, 1=error, 2=warn, 3=info, 4=debug, 5=detail (default: 3)
--vmodule value Per-module verbosity: comma-separated list of = (e.g. eth/*=5,p2p=4)
--log.json Format logs with JSON
--log.backtrace value
geth error: Request a stack trace at a specific logging statement (e.g. "block.go:271")
--log.debug Prepends log messages with call-site location (file and line number)
--pprof Enable the pprof HTTP server
--pprof.addr value pprof HTTP server listening interface (default: "127.0.0.1")
--pprof.port value pprof HTTP server listening port (default: 6060)
--pprof.memprofilerate value Turn on memory profiling with the given rate (default: 524288)
--pprof.blockprofilerate value Turn on block profiling with the given rate (default: 0)
--pprof.cpuprofile value Write CPU profile to the given file
--trace value Write execution trace to the given file

METRICS AND STATS OPTIONS:

geth error: --metrics Enable metrics collection and reporting
--metrics.expensive Enable expensive metrics collection and reporting
--metrics.addr value Enable stand-alone metrics HTTP server listening interface (default: "127.0.0.1")
--metrics.port value Metrics HTTP server listening port (default: 6060)
--metrics.influxdb Enable metrics export/push to an external InfluxDB database
--metrics.influxdb.endpoint value InfluxDB API endpoint to report metrics to (default: "http://localhost:8086")
--metrics.influxdb.database value InfluxDB database name to push reported metrics to (default: "geth")
geth error:
--metrics.influxdb.username value Username to authorize access to the database (default: "test")
--metrics.influxdb.password value Password to authorize access to the database (default: "test")
--metrics.influxdb.tags value Comma-separated InfluxDB tags (key/values) attached to all measurements (default: "host=localhost")
--metrics.influxdbv2 Enable metrics export/push to an external InfluxDB v2 database
--metrics.influxdb.token value Token to authorize access to the database (v2 only) (default: "test")
--metrics.influxdb.bucket value InfluxDB bucket name to push reported metrics to (v2 only) (default: "geth")
--metrics.influxdb.organization value InfluxDB organization name (v2 only) (default: "geth")

ALIASED (deprecated) OPTIONS:
--nousb Disables monitoring for and managing USB hardware wallets (deprecated)

geth error:
MISC OPTIONS:
--snapshot Enables snapshot-database mode (default = enable)
--bloomfilter.size value Megabytes of memory allocated to bloom-filter for pruning (default: 2048)
--help, -h
geth error: show help
--catalyst Catalyst mode (eth2 integration testing)
--override.london value Manually specify London fork-block, overriding the bundled setting (default: 0)

COPYRIGHT:
Copyright 2013-2021 The go-ethereum Authors

geth error:

geth exited with error code 1
Blockchain process ended before the end of this process. Try running blockchain in a separate process using $ embark blockchain. Code: null
IPFS exited with error code 1
IPFS exited with error code 1