Simon bfgits

## curl.md

      
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              January 12, 2021 07:34
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                curl POST examples
              
          
    Common Options

-#, --progress-bar
Make curl display a simple progress bar instead of the more informational standard meter.
-b, --cookie <name=data>
Supply cookie with request. If no =, then specifies the cookie file to use (see -c).
-c, --cookie-jar <file name>
File to save response cookies to.

  
## change_dns_servers
Short Description
The default behavior of an Amazon EC2 instance associated with an Amazon Virtual Private Cloud (Amazon VPC) is to request a DNS server address at startup using the Dynamic Host Configuration Protocol (DHCP). The DNS server addresses returned in the DHCP response are written to the local /etc/resolv.conf file. Manual modifications to the resolv.conf file with custom DNS server addresses are lost when the instance is restarted. The method that you use to solve this issue depends on your Linux distribution. For more information on VPCs and DNS servers, see Amazon DNS Server.
Resolution
Important: Before you change your Amazon EC2 instance, create a backup using an Amazon Machine Image (AMI) or an Amazon Elastic Block Store (Amazon EBS) snapshot. Changing networking configuration for an instance might render the instance unreachable.

Amazon Linux, Amazon Linux 2

Use one of the following options to configure your Amazon EC2 instance. If you apply both options, then the DNS servers specified in
	Short Description
	The default behavior of an Amazon EC2 instance associated with an Amazon Virtual Private Cloud (Amazon VPC) is to request a DNS server address at startup using the Dynamic Host Configuration Protocol (DHCP). The DNS server addresses returned in the DHCP response are written to the local /etc/resolv.conf file. Manual modifications to the resolv.conf file with custom DNS server addresses are lost when the instance is restarted. The method that you use to solve this issue depends on your Linux distribution. For more information on VPCs and DNS servers, see Amazon DNS Server.
	Resolution
	Important: Before you change your Amazon EC2 instance, create a backup using an Amazon Machine Image (AMI) or an Amazon Elastic Block Store (Amazon EBS) snapshot. Changing networking configuration for an instance might render the instance unreachable.

	Amazon Linux, Amazon Linux 2

	Use one of the following options to configure your Amazon EC2 instance. If you apply both options, then the DNS servers specified in