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How to Update Time without NTP or GPS

How to Update Time without NTP or GPS

Slack Notification and Opsgenie Alerting in Jenkins

Slack Notification and Opsgenie Alerting in Jenkins

Red Hat Satellite Ansible Dynamic Inventory

Red Hat Satellite Ansible Dynamic Inventory

Sending Mail with Ansible

Sending Mail with Ansible

Ansible Sample Scripts

Ansible Sample Scripts

Ubuntu Autoinstall

Ubuntu Autoinstall

Provisioning a VM on KVM via Kickstart using virt-install

Provisioning a VM on KVM via Kickstart using virt-install

Sample Expect Script

Sample Expect Script

Packer

Packer

How Fix Certificate Error on Azure Self-Hosted Agent

Fix Certificate Error on Azure Self-Hosted Agent

Creating a Customized Golden Image for Azure Cloud with Packer

Creating a Customized Golden Image for Azure Cloud with Packer

Sending an Email Using Shell

Sending an Email Using Shell

Kubernetes MetalLB Loadbalancer with BGP mode

Kubernetes MetalLB Loadbalancer with BGP mode

Building Container Image with Buildah

Building Container Image with Buildah

Issuing Certificate with cert-manager

Issuing Certificate with cert-manager

CheckMK Programmatic Hostdowntime

CheckMK Programmatic Hostdowntime

Satellite Compute Resource Provider Password Update

Satellite Compute Resource Provider Password Update

Write Your own Custom Plugin on checkMK

Write Your own Custom Plugin on checkMK

Creating a VM on GCE via gcloud cli

Creating a VM on GCE via gcloud cli

Minimizing Docker Images with Multistage

Minimizing Docker Images with Multistage

Dynamic DNS

Dynamic DNS

Dynamic DNS

Dynamic DNS

How to Make Simple IR Sender(Samsung TV)

How to Make Simple IR Sender(Samsung TV)

Hack Remote IR Controller with Logic Analyzer

Hack Remote IR Controller with Logic Analyzer

Share Serial Devices with WSL Machine

Share Serial Devices with WSL Machine

PlatformIO Bug with VSCode Plugin in WSL Environment

PlatformIO Bug with VSCode Plugin in WSL Environment

How to Update Time without NTP or GPS

How to Update Time without NTP or GPS

LM35 Temperature Sensor with Atmega328P

LM35 Temperature Sensor with Atmega328P

Measuring a Temperature with DS18B20

Measuring a Temperature with DS18B20

PlatformIO Bug with VSCode Plugin in WSL Environment

PlatformIO Bug with VSCode Plugin in WSL Environment

nginx-ingress Websocket Connection

nginx-ingress

Aruba VAN SDN Controller

Aruba VAN SDN Controller

Creating a VM on GCE via gcloud cli

Creating a VM on GCE via gcloud cli

GNS3 Permission Denied

GNS3 Permission Denied

Connect to Real World With GNS3

Connect to Real World With GNS3

Configure NVIDIA GPU on ESXi to be used by VMs

Configure NVIDIA GPU on ESXi to be used by VMs

nginx-ingress Websocket Connection

nginx-ingress

Finding Server IMM IP by IPv6 Multicast Address

Finding Server IMM IP by IPv6 Multicast Address

Java TimeZone Update

Java TimeZone Update

Slack Notification and Opsgenie Alerting in Jenkins

Slack Notification and Opsgenie Alerting in Jenkins

VM provisioning with Jenkins and Terraform(Cloud-init) on KVM

VM provisioning with Jenkins and Terraform(Cloud-init) on KVM

VM provisioning with Jenkins and Terraform on KVM

VM provisioning with Jenkins and Terraform on KVM

Kick Start Questions and Answers

Kick Start Questions and Answers

OCP Upgrade with Canary Rollout Strategy

OCP Upgrade with Canary Rollout Strategy

Export ProFTPD Metrics into Prometheus or InfluxDB

Export ProFTPD Metrics into Prometheus or InfluxDB

Issuing Certificate with cert-manager

Issuing Certificate with cert-manager

nginx-ingress Websocket Connection

nginx-ingress

Multinode Kubernetes Cluster with LXC and microk8s

Multinode Kubernetes Cluster with LXC and microk8s

Building Container Image with Buildah

Building Container Image with Buildah

Kubernetes MetalLB Loadbalancer with BGP mode

Kubernetes MetalLB Loadbalancer with BGP mode

Minimizing Docker Images with Multistage

Minimizing Docker Images with Multistage

Ubuntu Autoinstall

Ubuntu Autoinstall

Provisioning a VM on KVM via Kickstart using virt-install

Provisioning a VM on KVM via Kickstart using virt-install

VM provisioning with Jenkins and Terraform(Cloud-init) on KVM

VM provisioning with Jenkins and Terraform(Cloud-init) on KVM

VM provisioning with Jenkins and Terraform on KVM

VM provisioning with Jenkins and Terraform on KVM

Connect KVM host over GRE

Connect KVM host over GRE

Windows Server 2012 R2 hangs on the KVM hypervisor

Windows Server 2012 R2 hangs on the KVM hypervisor

Vlan Creation on KVM

Vlan Creation on KVM

Adding Shared disk on KVM

Adding Shared disk on KVM

Mounting QCOW2 Disk

Mounting QCOW2 Disk

HashiCorp Vault LDAP Integration

HashiCorp Vault LDAP Integration

OpenLDAP Server Installation, Configuration and Hardening

OpenLDAP Server Installation, Configuration and Hardening

Share Serial Devices with WSL Machine

Share Serial Devices with WSL Machine

Ubuntu Autoinstall

Ubuntu Autoinstall

Provisioning a VM on KVM via Kickstart using virt-install

Provisioning a VM on KVM via Kickstart using virt-install

MaaS Mac Filtering

MaaS Mac Filtering

VM provisioning with Jenkins and Terraform(Cloud-init) on KVM

VM provisioning with Jenkins and Terraform(Cloud-init) on KVM

VM provisioning with Jenkins and Terraform on KVM

VM provisioning with Jenkins and Terraform on KVM

Compiling Archer T600U Plus WiFi USB Adapter on GNU/Linux with dkms

Compiling Archer T600U Plus WiFi USB Adapter on GNU/Linux with dkms

Connect KVM host over GRE

Connect KVM host over GRE

DRBD(without clustering)

DRBD(without clustering)

Checking Connection without Telnet

Checking Connection without Telnet

Building RHEL7 Cluster Part I

Building RHEL7 Cluster Part I

How to Change I/O Scheduler in Linux

How to Change I/O Scheduler in Linux

Sharing Internet in Linux

Sharing Internet in Linux

Oracle EMCLI II

Oracle EMCLI II

Finding ORA and SP2 Errors with grep

Finding ORA and SP2 Errors with grep

Oracle RMAN backup through emcli

Oracle RMAN backup through emcli

Connection to the current OMS could not be established

Connection to the current OMS could not be established

Windows Server 2012 R2 hangs on the KVM hypervisor

Windows Server 2012 R2 hangs on the KVM hypervisor

Diskless Machine

Diskless Machine

How to Create Red Hat HA Cluster Part IV

Red Hat HA Cluster Part IV

How to Create Red Hat HA Cluster Part III

Red Hat HA Cluster Part III

Red Hat HA Cluster Part I

Red Hat HA Cluster Part I

How to Create Red Hat HA Cluster Part II

Red Hat HA Cluster Part II

SSL Client Certificate Authentication with Apache

SSL Client Certificate Authentication with Apache

Fake Kernel Panic for Testing(Magic SysRq)

Fake Kernel Panic for Testing(Magic SysRq)

System Restore with Rsync

System Restore with Rsync

Vlan Creation on KVM

Vlan Creation on KVM

Configuring PAM for crontab

Configuring PAM for crontab

CPU Affinity

CPU Affinity

Adding Shared disk on KVM

Adding Shared disk on KVM

Removing and Rescanning SCSI Disk

Removing and Rescanning SCSI Disk

Multipath with iSCSi

Multipath with iSCSi

Mounting QCOW2 Disk

Mounting QCOW2 Disk

Z-Modem

Z-Modem

SNMP-1

SNMP-1

Syslog Server Configuration

Syslog Server Configuration

VMware Hot-Add RAM on Rhel 5

VMware Hot-Add RAM on Rhel 5

Sample Expect Script

Sample Expect Script

Screen & Rsync

Screen & Rsync

Sending an Email Using Shell

Sending an Email Using Shell

Finding out per process Swap usage

Finding out per process Swap usage

Kubernetes MetalLB Loadbalancer with BGP mode

Kubernetes MetalLB Loadbalancer with BGP mode

Multinode Kubernetes Cluster with LXC and microk8s

Multinode Kubernetes Cluster with LXC and microk8s

Export ProFTPD Metrics into Prometheus or InfluxDB

Export ProFTPD Metrics into Prometheus or InfluxDB

Slack Notification and Opsgenie Alerting in Jenkins

Slack Notification and Opsgenie Alerting in Jenkins

CheckMK Programmatic Hostdowntime

CheckMK Programmatic Hostdowntime

Satellite Compute Resource Provider Password Update

Satellite Compute Resource Provider Password Update

Write Your own Custom Plugin on checkMK

Write Your own Custom Plugin on checkMK

Creating Bridges and VLANs with Netplan

Creating Bridges and VLANs with Netplan

Creating Bridges and VLANs with Netplan

Creating Bridges and VLANs with Netplan

Finding Server IMM IP by IPv6 Multicast Address

Finding Server IMM IP by IPv6 Multicast Address

Compiling Archer T600U Plus WiFi USB Adapter on GNU/Linux with dkms

Compiling Archer T600U Plus WiFi USB Adapter on GNU/Linux with dkms

Connect KVM host over GRE

Connect KVM host over GRE

Checking Connection without Telnet

Checking Connection without Telnet

Sharing Internet in Linux

Sharing Internet in Linux

Aruba VAN SDN Controller

Aruba VAN SDN Controller

Vlan Creation on KVM

Vlan Creation on KVM

GNS3 Permission Denied

GNS3 Permission Denied

Connect to Real World With GNS3

Connect to Real World With GNS3

Port Forwarding on Windows 10

Port Forwarding on Windows 10

Find your Public IP in Terminal

Find your Public IP in Terminal

nginx-ingress Websocket Connection

nginx-ingress

Configure NVIDIA GPU on ESXi to be used by VMs

Configure NVIDIA GPU on ESXi to be used by VMs

Upgrade Openshift Cluster Logging Operator from 5 to 6

Openshift Cluster Logging Operator Upgrade

OCP Upgrade with Canary Rollout Strategy

OCP Upgrade with Canary Rollout Strategy

Slack Notification and Opsgenie Alerting in Jenkins

Slack Notification and Opsgenie Alerting in Jenkins

Oracle EMCLI II

Oracle EMCLI II

Oracle RMAN backup through emcli

Oracle RMAN backup through emcli

Connection to the current OMS could not be established

Connection to the current OMS could not be established

Creating a Customized Golden Image for Azure Cloud with Packer

Creating a Customized Golden Image for Azure Cloud with Packer

Packer

Packer

Sorting by Specific Column in PowerShell

Sorting by Specific Column in PowerShell

Export ProFTPD Metrics into Prometheus or InfluxDB

Export ProFTPD Metrics into Prometheus or InfluxDB

Export ProFTPD Metrics into Prometheus or InfluxDB

Export ProFTPD Metrics into Prometheus or InfluxDB

My Repair Note on DC – AC Inverter

My Repair Note on DC – AC Inverter

Don’t Make Popcorn in Air Fryer!

Don’t Make Popcorn in Air Fryer

VMware Hot-Add RAM on Rhel 5

VMware Hot-Add RAM on Rhel 5

Kick Start Questions and Answers

Kick Start Questions and Answers

Red Hat Satellite Ansible Dynamic Inventory

Red Hat Satellite Ansible Dynamic Inventory

Vault Patch Method

Vault Patch Method

OpenShift Global Pull Secret

OpenShift Global Pull Secret

check-certificate.sh

check-certificate.sh

walk.sh(HC Vault)

walk.sh(HC Vault)

Issuing Certificate with cert-manager

Issuing Certificate with cert-manager

HashiCorp Vault Disk Inode Is Full

HashiCorp Vault Disk Inode Is Full

HashiCorp Vault LDAP Integration

HashiCorp Vault LDAP Integration

OpenLDAP Server Installation, Configuration and Hardening

OpenLDAP Server Installation, Configuration and Hardening

Apache as a Forward Proxy

Apache as a Forward Proxy

SOCKS

SOCKS

SSL Validation and Troubleshooting

SSL Validation and Troubleshooting

SSH Two-Factor Authentication

SSH Two-Factor Authentication

Encrypting with aespipe

Encrypting with aespipe

Dynamic DNS

Dynamic DNS

Redirecting http to https

Redirecting http to https

Port Knocking

Port Knocking

Free SSL Certificate

Free SSL Certificate

Slack Notification and Opsgenie Alerting in Jenkins

Slack Notification and Opsgenie Alerting in Jenkins

SNMP-1

SNMP-1

Provide Terraform providers in Air gapped Environment

Provide Terraform providers in Air gapped Environment

VM provisioning with Jenkins and Terraform(Cloud-init) on KVM

VM provisioning with Jenkins and Terraform(Cloud-init) on KVM

VM provisioning with Jenkins and Terraform on KVM

VM provisioning with Jenkins and Terraform on KVM

Java TimeZone Update

Java TimeZone Update

SOCKS

SOCKS

HashiCorp Vault LDAP Integration

HashiCorp Vault LDAP Integration

Creating Bridges and VLANs with Netplan

Creating Bridges and VLANs with Netplan

VMware Hot-Add RAM on Rhel 5

VMware Hot-Add RAM on Rhel 5

Sorting by Specific Column in PowerShell

Sorting by Specific Column in PowerShell

Windows Server 2012 R2 hangs on the KVM hypervisor

Windows Server 2012 R2 hangs on the KVM hypervisor

Z-Modem

Z-Modem