Route53 Error: RRSet of type CNAME with DNS name is not permitted at apex in zone
RRSet of type CNAME with DNS name is not permitted at apex in zone This error happens on trying to
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Linux
How to clear bash command line history
Bash keeps the history of commands that executed and the user can re-execute it using up and down arrows. All
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Password aging configurations in "/etc/login.defs" not working
We can configure the password expiration interval in the configuration file "/etc/login.defs". But please note that this will be applicable
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How to get the EC2 instance ipaddress through aws cli
We can retrieve the ipaddress of EC2 instance using awscli. To get the private ipaddress, To get the public ipaddress,
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How to configure disk quota for user in Linux
This article explains the steps to configure disk quota for user in Linux. Please note that the /home should be
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Download file and save to a different name using wget
Wget command provides the option to save the downloaded file to a different name. Where filename and url need to
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Nginx Error: failed (13: Permission denied) while connecting to upstream
failed (13: Permission denied) while connecting to upstream Sometimes you may face the above error on using Nginx as reverse
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How to install packages using dnf
DNF or Dandified YUM is the next-generation version of the Yellowdog Updater, Modified, a package manager for .rpm-based distributions. It
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How to skip existing file when download using wget
Wget command will not overwrite existing files by-default. Instead of that it will download the same file to another name.
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How to configure cronjob to run first Sunday of every month
Cronjob timing fields are not enough to achieve this requirement. But it provides the option to configure conditions in cronjob
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How to configure password complexity in Ubuntu
This article explains the steps to configure password policies in Ubuntu. Step1: Login to the machine as root. Step2: Install
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