| Server IP : 3.147.158.171 / Your IP : 216.73.216.216 Web Server : Apache/2.4.67 (Amazon Linux) OpenSSL/3.5.5 System : Linux ip-172-31-2-178.us-east-2.compute.internal 6.1.172-216.329.amzn2023.x86_64 #1 SMP PREEMPT_DYNAMIC Wed May 20 06:31:34 UTC 2026 x86_64 User : ec2-user ( 1000) PHP Version : 8.4.21 Disable Function : NONE MySQL : OFF | cURL : ON | WGET : ON | Perl : ON | Python : OFF | Sudo : ON | Pkexec : OFF Directory : /usr/share/doc/ec2-hibinit-agent/ |
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The Amazon Linux hibernation agent. The purpose of this agent is to create a setup for an instance to support hibernation feature. The setup is created only on supported instance types. This agent does several things upon startup: 1. It checks for sufficient swap space to allow hibernation and fails if not enough space 2. If there's no swap file or the existing swap file isn't of a sufficient size, a swap file is created and a background thread is launched to touch all of its blocks and makes sure that EBS volumes are pre-warmed. 3. It updates the offset of the swap file in the kernel using SNAPSHOT_SET_SWAP_AREA ioctl. 4. It updates the resume offset and resume device in grub file.