Menu
blog.headdesk.me
blog.headdesk.me

Tag: featured

Scheduled snapshot on AWS using Lambda

Check out my recent wiki page on how to schedule snapshot backups on AWS using Lambda. https://www.headdesk.me/Lambda Lambda is much more powerful then this. Using it together with S3 / SNS / SQS / etc allow deployment of business applications / workflows truly on cloud.

Enable GPU acceleration on Chrome/Ubuntu

Ever feel your browser always perform slower on Linux or taking more cpu then other OS platforms? Well I did and as it turns out, I can manually enable GPU acceleration. Check out the instructions in this link. Do you have it enabled? Quickly check by opening chrome://gpu To enable it, see instructions on http://www.webupd8.org/2014/01/enable-hardware-acceleration-in-chrome.html…

Resize root disk on Azure VM

Azure hard-codes disk size and it cannot be changed during deployment. Resizing root disk on Azure is often a required task. Here is how a root disk can be resized. I learned this the hard way.

Freshness of coffee beans – huge difference?

Ever since I got my Breville 870XL, I’ve read numerous comments about how important it is to get fresh beans. Out of laziness, I usually go to the supermarket to get my coffee. There is a self-service counter in the store where I can pour the amount of beans I desire. The beans were prepared by…

Let CloudWatch monitor your disk and memory utilisation

It is possible to use CloudWatch to monitor your disk and memory usage. There are very good information on AWS – http://docs.aws.amazon.com/AmazonCloudWatch/latest/DeveloperGuide/mon-scripts-perl.html For the impatient, here is how to get it done.

Backup to USB drive and power it off when not in use

On Linux, it is possible to power off a USB device using command line. It’s perfect for my USB backup drive. I can power it off after backup every night, and power it on before the job starts. This saves power, reduce heat, and more importantly, prevent accidental or unexpected changes as the device is completely offline.

Leap second 2015-Jul-1

Redhat has provided a couple of excellent articles describing the upcoming leap second as well as how to handle it. Here, I want to demonstrate the behavior of a server not running NTP.

Adding SystemRescueCD to grub2

Adding a bootable ISO image to grub will be very useful for recovering Linux systems. Here we add the systemrescuecd iso to grub2 on Ubuntu 15.04. It’s really easy and I recommend adding it to every Linux systems!

Oracle Database 12c

Check out my latest wiki post on installing Oracle 12c Release 1 on Linux.

Why not Azure

I recently attended a 4-day training on Microsoft’s cloud platform. Quickly I learned why it should not be used if you’re serious about your business.

  • 1
  • 2
  • Next
  • aws (8)
  • coffee (1)
  • headfi (1)
  • linux (6)
  • others (58)
  • security (2)
  • tech (36)
  • wordpress (2)

apache aws awscli azure backup clearlinux cloud coffee docker DOCP ec2 EL8 epyc espresso featured gpg jenkins kernel lelit linux lvm meltdown memory MFA mikrotik php python rdp Redhat RHEL roasting rpm Ryzen site-to-site snapshot spectre tech terraform tuning ubuntu ubuntu upgrade vim vpn wordpress xdotool

©2023 blog.headdesk.me | Powered by SuperbThemes & WordPress