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root@srv [~/public_html/server/bin]# ./bitcoind -daemon
Bitcoin server starting
root@srv [~/public_html/server/bin]# sendto: Operation not permitted
What is the problem?
Also, bitcoind didn't download the blockchain in my linux centos server.
What is the reason?
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Most likely SELinux.
~/public_html is not the correct place to store binaries or even the bitcoin data directory.
Put the binaries in ~/bin/
The data files should end up in ~/.bitcoin/ if you haven't changed the configuration. That should be okay.
If it still doesn't work you might need to run restorecon -R ~/bin to fix SELinux attributes.
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This is very likely to be a Firewall problem. The "sendto: operation not permitted" is the typical message you get from an iptables reject
i never run a full bitcoind myself but looking at the documentation you need port tcp:8333 inbound and , i guess, at least HTTP and HTTPS outbound ...
check your firewall with
iptables -L -n
if the firewall is running, just to confirm you might try to stop the firewall and see if it fixes your problem.
root/public_html/server/bin/here is my bitcoind . and data file is'root/.bitcoin/. what is the problem?? i run the commandrestorecon -R ~/bin. sitill same this.. pls give me some solution – Md Shahadat Hossain – 2015-05-15T12:16:27.8031public_html is for serving web pages, not for binaries. Put the bitcoin binaries in ~/bin/ . AFTER moving you may need to run restorecon. Also don't run bitcoin (or anything) as root, create a new user and run bitcoin as that user. Once you have it working you probably want to set it up as a systemd service, which is very simple. – Jannes – 2015-05-15T12:27:34.187