What is nscd used for?

What is nscd used for?

DESCRIPTION. Nscd is a daemon that provides a cache for the most common name service requests. The default configuration file, /etc/nscd. conf, determines the behavior of the cache daemon.

Is nscd deprecated?

nscd is already planned for deprecation in Fedora 34. The functionality it currently provides can be achieved by using systemd-resolved for DNS caching and the sssd daemon for everything else.

How do I flush nscd cache?

Clear/Flush DNS Cache on Linux

  1. sudo systemctl is-active systemd-resolved.service.
  2. sudo systemd-resolve –flush-caches.
  3. sudo systemctl restart dnsmasq.service.
  4. sudo service dnsmasq restart.
  5. sudo systemctl restart nscd.service.
  6. sudo service nscd restart.
  7. sudo dscacheutil -flushcache sudo killall -HUP mDNSResponder.

How do I check my nscd cache?

How to inspect the DNS cache on Windows, Mac OS X, and Linux

  1. In Windows, you can inspect the content of such file by typing ipconfig /displaydns on a command prompt.
  2. In Mac OS X, inspecting the DNS cache is a little more tricky than Windows.
  3. sudo nscd -g.
  4. ipconfig /flushdns.

What is Nscd Ubuntu?

DESCRIPTION. Nscd caches libc-issued requests to the Name Service. If retrieving NSS data is fairly expensive, nscd is able to speed up consecutive access to the same data dramatically and increase overall system performance. Nscd should be run at boot time by /etc/init.

Does Nscd cache DNS?

To reduce the load on your DNS infrastructure, it’s highly recommended to use the Name Service Caching Daemon (NSCD) on cluster nodes running Linux. This daemon will cache host, user, and group lookups and provide better resolution performance, and reduced load on DNS infrastructure.

Does nscd cache DNS?

What is Nscd conf?

NSCD, Name Service Cache Daemon, is a daemon that provides a cache for the most common Name Service Switch requests. The default configuration file, /etc/nscd. conf, determines the behavior of the cache daemon.

How do I fix DNS problems?

8 Strategies for Troubleshooting a DNS Failure

  1. Restart Your Software or Device. Sometimes simply exiting the browser completely for a few minutes will solve the problem.
  2. Restart the Modem or Router.
  3. Switch Browsers.
  4. Pause Your Firewall.
  5. Clear Your Cache.
  6. Disable Extra Connections.
  7. Keep Everything Updated.
  8. Check DNS Settings.