Scenario: Multiple network interfaces in your server and each connected to different network and getting the IP via DHCP Objective: Make all IP pingable and accessible remotely e.g. SSH Solution: Configure Gateway Routing or setting up multiple default routes for each interfaces Initially when you connect different links/network (regardless it’s in the same subnet or not) for each of the interfaces, it will end up only one interface is reachable. Why? Because by default, it…"Configuring Multiple Interfaces and Multiple Default Routes in Linux"
After installing GNS3 or Graphical Network Simulator 3 in Ubuntu Linux, you can run it via the command “gns3” but it does not come with a default launcher or shortcut. To have a nice shortcut to place under your launcher bar or dock, here are the steps: 1. Go to /usr/share/applications folder tux@freelinux:~$ cd /usr/share/applications 2. Create a filename with extension “desktop” , e.g. gns3.desktop . Configure the following desktop entries as per below. The…"Quick Tip: Create GNS3 Launcher in Ubuntu Linux"
Spotify is considered the king of digital music streaming service that offers millions of songs. There are 4 steps to install Spotify client in Debian-based Linux. Tested in Ubuntu 16.04 LTS. Enjoy! 1.Add Spotify’s repository signing key to verify downloaded packages sudo apt-key adv –keyserver hkp://keyserver.ubuntu.com:80 –recv-keys BBEBDCB318AD50EC6865090613B00F1FD2C19886 2. Add Spotify repository echo deb http://repository.spotify.com stable non-free | sudo tee /etc/apt/sources.list.d/spotify.list 3. Check and update latest version sudo apt-get update 4. Install the Spotify client…"Quick Tip: Install Spotify in Ubuntu or Debian Linux"
Sublime Text is one of the best text or code editor that you can have in Linux as it supports different programming languages and markup languages. There’s a list of features that you can check from the Sublime Text official website, one of my favorites is the python-based plugin API and “Goto Anything” feature. The only downfall I find is Sublime Text may be downloaded and evaluated for free, however a license must be purchased…"Quick Tip: Installation of Sublime Text in Ubuntu Linux"
Installing a graphical network simulator GNS3 is quite easy for Ubuntu based distribution for 64-bit systems. Tested using Ubuntu 16.04. sudo add-apt-repository ppa:gns3/ppa sudo apt-get update sudo apt-get install gns3-gui few packages will be installed aside from the gns3-gui , gns3-server qemu wireshark dynamips cpu-checker Type “gns3” in command line to launch the application. Enjoy! tux@freelinux:~$ sudo add-apt-repository ppa:gns3/ppa Swipe your finger across the fingerprint reader PPA for GNS3 and Supporting Packages. Please see http://www.gns3.com…"Quick Tip: Installing GNS3 in Ubuntu (64-bit)"
For Ubuntu 16.04 LTS or greater, it would be simple as only required two steps to install Fingerprint Scanner. Tested using Lenovo Thinkpad X240 sudo apt install libpam-fprintd fprintd-enroll That’s it. You can now login or even use for sudo access using finger print Alternative: Fingerprint GUI tux@freelinux:~$ sudo apt install libpam-fprintd Reading package lists… Done. Building dependency tree Reading state information… Done The following NEW packages will be installed: libpam-fprintd 0 upgraded, 1 newly…"Quick Tip: Install Fingerprint Scanner (FPrint) in Ubuntu 16.04 Linux"
Objective: to copy/send or tee packets coming from enp3s4f1 and send to a destination IP via the enp3s4f0 management/data port ServerA = enp3s4f1 (connected to a switch1 span port) (no IP address) enp3s4f0 (connected to switch2 as management/data port) (IP is 192.168.100.99) ServerB destination IP = 192.168.100.100 (same IP range) This is based on commer’s post in LQ below: http://www.linuxquestions.org/questions/linux-networking-3/how-to-route-forward-packets-in-promiscuous-mode-832698/ Configure the bridge interface and bind enp3s4f1 into it. Disable Spanning Tree Protocol (STP) if necessary. Bring…"copy and send (tee) packets from a mirrored interface using iptables and ebtables"
MacStadium, a fast growing global provider of Apple Mac hosting, colocation, cloud hosting and Infrastructure-as-a-Service (IAAS) solutions with currently around 20,000 dedicated servers hosted worldwide, has acquired specific assets of Atlanta-based software company, Virtual Command, including key personnel and intellectual property related to virtualization and cloud orchestration software. Through this acquisition, MacStadium would add deep industry expertise in platform development complementing the company’s core discipline centered around the deployment of scalable private clouds built on…"Apple Mac Hosting Company MacStadium Buys Cloud Orchestration Software Company"
Zadara, a cloud storage provider delivering its products via public clouds, managed service providers (MSPs), data centers, colocation partners, and on-premises in customers’ data centers, has signed a $25 million funding round led by IGP Capital with participation from existing investors. This brings the total equity raised by Zadara to over $60 million. Zadara plans to use the investment primarily to accelerate growth, including expanding its worldwide sales, dev-ops and engineering teams as well as…"Cloud Storage Provider @Zadara Announces $25M Investment Round for Global Expansion"
Cloudian, an object storage company turning information into insight with their hyperscale data fabric – that lets users store, find and protect data across an organization and around the globe – has raised $94 million in a Series E funding, bringing the company’s total funding to $173 million. Cloudian will use this new investment to expand its worldwide sales and marketing efforts and increase its engineering team to meet rising demand for its “limitlessly-scalable” enterprise…"Object Storage Company Cloudian Raises $94 million in New Funding"