Ubuntu doesn’t cache dns records by default so unless you’ve installed a dns cache there isn’t anything to clear. What is the DNS cache? DNS cache refers to the temporary storage of information about previous DNS lookups on a machine’s OS or web browser.
The cache can then be used as a source for subsequent requests in order to speed up the total round-trip time. Almost all DNS servers that you might have in your network configuration will be caching DNS servers.
How many DNS cache does Ubuntu 20 have?
Seems that Ubuntu 20.10 has two (2) DNS caches: After disable/enable the network and the wifi connection, or rebooting the system, the problem was still there: All the system configuration was ok, but some addresses where like fixed somewhere.
From Ubuntu 17.04 and onwards, systemd-resolve is used for DNS. You can flush systemd’s caches like so: Show activity on this post. Look at Mike Shultz’ answer. Ubuntu doesn’t cache dns records by default so unless you’ve installed a dns cache there isn’t anything to clear.
How to check if a DNS record has been cached?
DNS records are likely cached by your provider’s DNS servers so if you want to check if the DNS changes you made were successful you can interrogate a DNS server from your domain hosting service with dig: It you want Ubuntu to start caching dns I recommend installing pdnsd together with resolvconf. Nscd is buggy and not advisable.
Does ubuntu read ntfs?
Yes, Ubuntu supports read & write to NTFS without any problem. You can read all the Microsoft Office docs in Ubuntu using Libreoffice or Openoffice etc. You can have some issues with text format because of default fonts etc. (which you can fix easily) but you will have all the data.
This is what my research found. So there is nothing to lose trying Ubuntu. Yes, Ubuntu supports read & write to NTFS without any problem. You can read all the Microsoft Office docs in Ubuntu using Libreoffice or Openoffice etc. You can have some issues with text format because of default fonts etc. (which you can fix easily) but you will have all the data.
You may be wondering “Can I write to a shared NTFS partition from Ubuntu?”
Whether you write to your Windows C:\ partition or a shared NTFS data partition, be aware that if you are using Windows 7, and Windows 7 is in a hibernated state when you write to the NTFS partition from Ubuntu, you will lose all your changes.
What is NTFS file system in Linux?
This file-storing system is standard on Windows machines, but Linux systems also use it to organize data. Most Linux systems mount the disks automatically.
Why can’t I mount NTFS on Ubuntu?
Filesystems occasionally become damaged. Power outages, bugs, system crashes, and other conditions can cause this to happen. When Ubuntu encounters a damaged NTFS volume, Ubuntu will refuse to mount it. Thus, on an Ubuntu-only system, using NTFS on an internal disk is a problem waiting to happen.