user80031: Hi so I used the following bash script to set up bitcoin on my centos server https://gist.github.com/cdodd/f485b72aed8c2a6440a6141cd1ba8273?signup=true 
however i don't know how to get a wallet or create a wallet and everytime i try I get the following error, their is no config file and I am not sure where one is meant to be located. could someone please help point me in the right direction to install bitcoin correctly and create my own wallet.
Thanks
./bitcoin-cli -testnet getwalletinfo                                                        
error: Could not locate RPC credentials. No authentication cookie could be found, and RPC password is not se
t.  See -rpcpassword and -stdinrpcpass.  Configuration file: (/root/.bitcoin/bitcoin.conf)  


user54581: check out the bitcoin.conf file and see instructions to create rpc credentials. template is here: https://github.com/bitcoin/bitcoin/blob/master/contrib/debian/examples/bitcoin.conf
specifically, here
# If no rpcpassword is set, rpc cookie auth is sought. The default `-rpccookiefile` name
# is .cookie and found in the `-datadir` being used for bitcoind. This option is typically used
# when the server and client are run as the same user.
#
# If not, you must set rpcuser and rpcpassword to secure the JSON-RPC api. The first
# method(DEPRECATED) is to set this pair for the server and client:
#rpcuser=Ulysseys
#rpcpassword=YourSuperGreatPasswordNumber_DO_NOT_USE_THIS_OR_YOU_WILL_GET_ROBBED_385593
#
# The second method `rpcauth` can be added to server startup argument. It is set at initialization time
# using the output from the script in share/rpcauth/rpcauth.py after providing a username:
#
# ./share/rpcauth/rpcauth.py alice
# String to be appended to bitcoin.conf:
# rpcauth=alice:f7efda5c189b999524f151318c0c86$d5b51b3beffbc02b724e5d095828e0bc8b2456e9ac8757ae3211a5d9b16a22ae
# Your password:
# DONT_USE_THIS_YOU_WILL_GET_ROBBED_8ak1gI25KFTvjovL3gAM967mies3E=
#
# On client-side, you add the normal user/password pair to send commands:
#rpcuser=alice
#rpcpassword=DONT_USE_THIS_YOU_WILL_GET_ROBBED_8ak1gI25KFTvjovL3gAM967mies3E=
#
# You can even add multiple entries of these to the server conf file, and client can use any of them:
# rpcauth=bob:b2dd077cb54591a2f3139e69a897ac$4e71f08d48b4347cf8eff3815c0e25ae2e9a4340474079f55705f40574f4ec99


80031: <p>Hi so I used the following bash script to set up bitcoin on my centos server <a href="https://gist.github.com/cdodd/f485b72aed8c2a6440a6141cd1ba8273?signup=true" rel="nofollow noreferrer">https://gist.github.com/cdodd/f485b72aed8c2a6440a6141cd1ba8273?signup=true</a> </p>

<p>however i don't know how to get a wallet or create a wallet and everytime i try I get the following error, their is no config file and I am not sure where one is meant to be located. could someone please help point me in the right direction to install bitcoin correctly and create my own wallet.</p>

<p>Thanks</p>

<pre><code>./bitcoin-cli -testnet getwalletinfo                                                        
error: Could not locate RPC credentials. No authentication cookie could be found, and RPC password is not se
t.  See -rpcpassword and -stdinrpcpass.  Configuration file: (/root/.bitcoin/bitcoin.conf)  
</code></pre>
 54581: <p>check out the <code>bitcoin.conf</code> file and see instructions to create rpc credentials. template is here: <a href="https://github.com/bitcoin/bitcoin/blob/master/contrib/debian/examples/bitcoin.conf" rel="nofollow noreferrer">https://github.com/bitcoin/bitcoin/blob/master/contrib/debian/examples/bitcoin.conf</a></p>

<p>specifically, here</p>

<pre><code># If no rpcpassword is set, rpc cookie auth is sought. The default `-rpccookiefile` name
# is .cookie and found in the `-datadir` being used for bitcoind. This option is typically used
# when the server and client are run as the same user.
#
# If not, you must set rpcuser and rpcpassword to secure the JSON-RPC api. The first
# method(DEPRECATED) is to set this pair for the server and client:
#rpcuser=Ulysseys
#rpcpassword=YourSuperGreatPasswordNumber_DO_NOT_USE_THIS_OR_YOU_WILL_GET_ROBBED_385593
#
# The second method `rpcauth` can be added to server startup argument. It is set at initialization time
# using the output from the script in share/rpcauth/rpcauth.py after providing a username:
#
# ./share/rpcauth/rpcauth.py alice
# String to be appended to bitcoin.conf:
# rpcauth=alice:f7efda5c189b999524f151318c0c86$d5b51b3beffbc02b724e5d095828e0bc8b2456e9ac8757ae3211a5d9b16a22ae
# Your password:
# DONT_USE_THIS_YOU_WILL_GET_ROBBED_8ak1gI25KFTvjovL3gAM967mies3E=
#
# On client-side, you add the normal user/password pair to send commands:
#rpcuser=alice
#rpcpassword=DONT_USE_THIS_YOU_WILL_GET_ROBBED_8ak1gI25KFTvjovL3gAM967mies3E=
#
# You can even add multiple entries of these to the server conf file, and client can use any of them:
# rpcauth=bob:b2dd077cb54591a2f3139e69a897ac$4e71f08d48b4347cf8eff3815c0e25ae2e9a4340474079f55705f40574f4ec99
</code></pre>
