After updating grub2 and rebooting, my server does not boot: Booting from Hard Disk 0... error: symbol `grub_calloc' not found. Entering rescue mode... grub rescue> _ Solution: You have to detach you /dev/sda1 volume from the ec2 instance. Mount it…
Swap is a space on a disk that is used when the amount of physical RAM memory is full. When a Linux system runs out of RAM, inactive pages are moved from the RAM to the swap space. Swap space…
After you increase the size of an EBS volume, you must use file system–specific commands to extend the file system to the larger size. You can resize the file system as soon as the volume enters the optimizing state. Important: Remember to…
To enable ENA support, run one of the following commands: aws ec2 modify-instance-attribute --instance-id instance_id --ena-support If you encounter problems when you restart the instance, you can also disable ENA support using one of the following commands: aws ec2 modify-instance-attribute…
https://technet.microsoft.com/en-us/library/gg318049(v=ws.10).aspx#BKMK_Attach In addition to attaching VHDs (see Creating Virtual Hard Disks), you can create VHDs that are bootable. Bootable VHDs are VHDs that contain a Windows image. You can create bootable VHDs by using either of the following methods: Using…
http://docs.aws.amazon.com/vm-import/latest/userguide/import-vm-image.html After exporting your VM from your virtualization environment, you can import it to Amazon EC2. The import process is the same regardless of the origin of the VM. Tasks Prerequisites Import the VM Check the Status of the…
After the instance has been launched, from the EC2 console: right-click on the Windows instance > Instance Settings > Get System Log find the <Password>..</Password> tag and select and copy its content. This is the Administrator password, but ciphered with…
Have you ever wanted to shrink an EC2 volume? I tried several ways and this is the only one worked for me. In my case, I wanted to shrink a 30GB volume down to 8GB. Make sure you have a…
You can check or run fsck on /dev/xvda1 using the following method on Ubuntu or Debian Linux based cloud server. The fsck command is used check and repair a Linux filesystem Step 1 – Force fsck Type the following command to…
Sources: http://edoceo.com/blog/2009/02/amazon-ebs-how-to-grow-storage http://stackoverflow.com/questions/9604337/how-do-i-increase-the-ebs-volume-size-of-a-running-instance
source: http://stackoverflow.com/questions/11535617/add-ebs-to-ubuntu-ec2-instance additional info: http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ebs-creating-volume.html Since this is a new volume, you need to format the EBS volume (block device) with a file system between step 1 and step 2. So the entire process with your sample mount point is:…
Lets say we want to mount /var into new partition: 1. create new volume (leave snapshot id empty) 2. name new volume [var-vol] 3. attach volume to instance: right-click on volume/attach and choose the ec2 instance 4. format the instance:…
*** /dev/xvda1 will be checked for errors at next reboot *** It is a bug on Ubuntu 11.04 and 12.04 ... which causes a file to be created with a future time stamp that contains that message. The simplest solution…
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