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  • Floating IP and Containers

    Rancher Series Part 1: RancherOS Part 2: Rancher–First Application Part 3: Rancher Infrastructure Services Part 4: Floating IP and Containers Floating IP or Virtual IP address can be moved from one host to another in the same network / datacenter; this technique can be used to implement high availability infrastructure. If one host ...
    Posted to Khurram Aziz (Weblog) by khurram on August 9, 2016
  • RancherOS

    Rancher Series Part 1: RancherOS Part 2: Rancher–First Application Part 3: Rancher Infrastructure Services Part 4: Floating IP and Containers Containers in general and Docker Containers in particular are becoming popular everyday mainly because they allow us to have a componentized environment to run the ...
    Posted to Khurram Aziz (Weblog) by khurram on July 23, 2016
  • GlusterFS Volume as Samba Share

    We made Docker Container using a Dockerfile in the GlusterFS post that can mount a GlusterFS volume (running on Raspberry Pis); lets extend our Dockerfile and add Samba Server to expose the mounted directory as Samba Share so it can be accessed from Windows. For this we need to add these additional lines into the Dockerfile RUN apt-get -y ...
    Posted to Khurram Aziz (Weblog) by khurram on July 19, 2016
  • GlusterFS

    GlusterFS is a scale-out network-attached storage file system that has found applications in cloud computing, streaming media services, and content delivery networks. GlusterFS was developed originally by Gluster, Inc. and then by Red Hat, Inc., as a result of Red Hat acquiring Gluster in 2011, says the Wikipedia. Its a distributed file system ...
    Posted to Khurram Aziz (Weblog) by khurram on July 14, 2016
  • Dockerizing Mongo and Express

    Dockerizing Node Part 1: Running Node Application in Docker Container on Raspberry Pi Part 2: Dockerfile Part 3: Dockerizing Mongo and Express Part 4: docker-compose Part 5: Rancher–First Application Now that we are familiar with the Docker and how it helps us in high isolation and compartmentalization; lets expand and try out ...
    Posted to Khurram Aziz (Weblog) by khurram on July 4, 2016
  • Docker on Windows: Customized Boot2Docker ISO with CIFS

    Docker on Windows Part 1: Docker on Windows Part 2: Docker on Windows- HyperV, NAT and DHCP Server Part 3: Docker on Windows- Windows Containers Part 4: Docker on Windows- Customized Boot2Docker ISO with CIFS Part 5: Docker on Windows- Docker for Windows When using Docker in Linux Virtual Machine on ...
    Posted to Khurram Aziz (Weblog) by khurram on July 3, 2016
  • Docker on Windows

    Docker on Windows Part 1: Docker on Windows Part 2: Docker on Windows- HyperV, NAT and DHCP Server Part 3: Docker on Windows- Windows Containers Part 4: Docker on Windows- Customized Boot2Docker ISO with CIFS Part 5: Docker on Windows- Docker for Windows Setting up Docker on Windows is slightly ...
    Posted to Khurram Aziz (Weblog) by khurram on June 4, 2016
  • Running Node Application in Docker Container on Raspberry Pi

    Dockerizing Node Part 1: Running Node Application in Docker Container on Raspberry Pi Part 2: Dockerfile Part 3: Dockerizing Mongo and Express Part 4: docker-compose Part 5: Rancher–First Application Lets run a Node application in Docker on Raspberry Pi; for the proof of concept; I will be using a simple hello world app and a GIT/SSH ...
    Posted to Khurram Aziz (Weblog) by khurram on June 1, 2016
  • Docker on Raspberry Pi

    Docker allow us to package our application with all its dependencies into a standardized unit; the application run in the Container that has everything it needs to run and this is kept in isolation from the other Container running on the Server. Its architecturally different from Virtual Machine and are more portable and efficient; they share the ...
    Posted to Khurram Aziz (Weblog) by khurram on May 31, 2016
  • Monitoring Raspberry Pi

    Part 1: Staging Node Application Part 2: Staging Node Application on Raspberry Pi Before commissioning the Raspberry Pi; it would be nice if we setup some monitoring; so we can correlate any issue in the field with device status. This becomes important especially for devices like Raspberry Pi that has limited resources. The simplest and ...
    Posted to Khurram Aziz (Weblog) by khurram on May 20, 2016
  • Staging Node Application on Raspberry Pi

    Staging Node Application Part 1: Staging Node Application Part 2: Staging Node Application on Raspberry Pi Part 3: Staging Node Application on Windows Part 4: Running Node Application in Docker Container on Raspberry Pi To make things interesting; lets test our Node application on Raspberry Pi running Raspbian. Raspbian; just like ...
    Posted to Khurram Aziz (Weblog) by khurram on May 19, 2016
  • Staging Node Application

    Staging Node Application Part 1: Staging Node Application Part 2: Staging Node Application on Raspberry Pi Part 3: Staging Node Application on Windows Part 4: Running Node Application in Docker Container on Raspberry Pi Node applications are “usually” deployed on Linux / Unix environments; and if you are not exposed to these ...
    Posted to Khurram Aziz (Weblog) by khurram on May 18, 2016
  • SNMP Traps - Low Diskspace Notification from Windows

    Infrastructure Things get changed with time; having solid and generic infrastructure is must….DNS is good thing for this; ACLs should be based on DNS names instead of IPs…We should use “private DNS Servers” for our internal network devices….Use A records for your hosts and CNAME for your ''services'' e-g using snmpagent.yourdomain CNAME in ...
    Posted to Khurram Aziz (Weblog) by khurram on January 2, 2008
  • Running Unix Apps on Windows

    From last few months we have been involved in an interesting project that has different tiers in different platforms. Data Tier MySQL / LDAP / config files on Linux SQL Server on Windows Application Service Tier C/C++, Perl, Bash Scripting on LinuxC#, ASP.NET on Windows Client Tier Desktop: ...
    Posted to Khurram Aziz (Weblog) by khurram on December 14, 2007
  • Fedora 5

    Fedora 5 was released last Monday; I guess this is the first “client ready” operating system having built in support of .NET (oops Common Language Runtime / CLR) support. There are even three apps built with Mono; a note taking app, a photo manager and a search/index app. There is even an easy going announcement of it here which is quite fun to ...
    Posted to Khurram Aziz (Weblog) by khurram on March 24, 2006
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