Powering The Shell

Microsoft Defender used to mean different things to different teams. Endpoint protection for the desktop team. Cloud security for the Azure team. Identity monitoring for IAM. In 2026, that’s changing. Microsoft has been pulling Defender for Endpoint, Defender for Cloud, Defender for Identity, Defender for Office 365, and Defender for Cloud Apps into one connected… Continue reading

Hyperconverged infrastructure was pitched a decade ago as a way to collapse compute, storage, and networking into a single, software-defined layer. In 2026, that promise hasn’t faded — it’s evolved. The HCI market is still expanding at a steady double-digit clip, and the conversation has shifted from “should we consolidate the datacenter stack” to “which… Continue reading

/ chroot /host cd /usr/bin/toolbox 3. Then run the commands like tcpdump or telnet. Continue reading

After application deployments, Kibana stopped showing logs exactly after 7 days. The error “Fluentd error: Unable to push logs to [elasticsearch]” was shown in the fluentd logs. The initial response was to increase the buffer limits for fluentd as follows: chunk_limit_size 10M queue_limit_length 256 The behavior occurred again after two weeks, which led to the… Continue reading

Steps for customizing cloud images for linux using guestfish: 1. Install guestfish yum install guestfish 2. Run the guestfish command on the image you want to customize. guestfish –rw -a 3. Type run in the next prompt and press Enter. >run 100% ⟦▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒⟧ –:– 4. Type list-filesystems in the prompt to see the filesystems in… Continue reading

In a federated environment, an Office 365 user was unable to book meeting in room which was on-premise. After tracing the messages created for booking the room, it was confirmed that the message indeed reached but the room was rejecting it for some reason. The room was rejecting the meeting request as it was considering… Continue reading

Here is the first Nutanix Calm blueprint which creates a Linux VM and installs Nginx using a Chef role. 1. First we need to upload the RedHat qcow image into the Nutanix PC image repository.  2. Create a blueprint. 3. Select the cloud. Here we have the options: Nutanix, VMware, AWS and GCP. Nutanix is… Continue reading

For on-boarding linux servers to Azure log analytics, just execute the command on the respective server: wget https://raw.githubusercontent.com/Microsoft/OMS-Agent-for-Linux/master/installer/scripts/onboard_agent.sh && sh onboard_agent.sh -p [protocol://][user:password@]proxyhost[:port] -w -s In few cases like mine, the servers will not have access to internet and we will need to install the downloaded oms agent package with the proxy information.  sh omsagent-1.6.0-42.universal.x64.sh… Continue reading

Recently we experienced an outage with third party services like Oracle cloud and Service-Now which were integrated with ADFS. ADFS creates a new signing certificate and makes it primary 20 days and 15 days respectively before the expiry of the current certificate. After this, the 3rd party services are unable to communicate with ADFS for… Continue reading