I want to create user accounts named after a domain name. adduser complains that the usernames need to match the NAME_REGEX regular expression. adduser: Please enter a username matching the regular expression configured via the NAME_REGEX configuration variable. Use the `--force-badname' option to relax this check or reconfigure NAME_REGEX.

How to Install and Configure DNS Server in Linux Network Information. In this tutorial, we are going to setup a local DNS server for the network shown … Linux hostname command help and examples May 04, 2019

Mar 17, 2017

The mechanism for name resolution in Linux is modular and can use various sources of information declared in the /etc/nsswitch.conf file. The entry that involves host name resolution is hosts.By default, it contains files dns, which means that the system consults the /etc/hosts file first, then DNS servers. NIS/NIS+ or LDAP servers are other possible sources.

Sep 27, 2017 · For such a scenario you have to configure the domain name for your Linux server. We will walk you through steps that need to be taken to the setup domain name on your Linux server. First of all, check if your server is having domain name already set up or not using below command : root@server12 # dnsdomainname kerneltalks.com

Linux System Administration and Configuration After installation, Linux requires configuration and systems administration. Corporate systems need monitoring, backups, updates, as well as system and user management. Ubuntu, CentOS, Fedora and Red Hat Linux server administration and desktop systems adminstration are covered in this tutorial. name server configuration - LinuxQuestions.org Nov 21, 2018 Configuration > Name Servers Configuration > Name Servers The Name Servers page allows you to manage machines acting as File System name servers. You may specify either a hostname or an IP addresses, but an IP address is preferable because it avoids problems associated with the lookup system (e.g., DNS or NIS). How To Configure DNS Server On Debian 10 / Debian 9 | ITzGeek