Archive for the ‘Open source’ Category

[Solved] Skype 4.2.x Linux : Can’t Connect | Ubuntu 12.04 / Ubuntu 14.04 LTS

Hello All, Today Morning, I started my Laptop and Logged in to My Ubuntu 14.04.1 LTS box and tried to Login in to Skype with same credentials, Skype thrown Error was “Can’t Connect”. I managed to solve this error so sharing this error’s solution which might helps you. This Error’s solution is very simple but […]

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RHEL 7 / CentOS 7 : Recovering / Reset Root Password

Hello, Setting up the root password is a mandatory part of the Red Hat Enterprise Linux 7 / CentOS 7installation. If you forget or lose your password, it is possible to reset it. Now it is known as Rescue Mode / Emergency mode in CentOS / RHEL 7, Previously in RHEL / CentOS 5/6 It was “Single User […]

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RHEL 7 / CentOS 7: How to get started with Firewalld

Hello All, Today I was trying to learn and know about Systemd. I have found one of the great Article about firewalld, Sharing with you guys, It will help you to understand this biggest and major change in RHEL and CentOS 7. This article is not mine, I found on internet and felt that this […]

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RHEL 7 / CentOS 7 : Disable Firewalld and use iptables

Hello, Just installed CentOS 7 on my Virtual machine and realized that, Firewalld is bit complicated as I am using iptables firewall from many years. So decided not to use firewalld at least as of now and wanted to continue with iptables commands as I was using in RHEL / CentOS 5 and 6. I […]

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Information on Red Hat Certification / RHCE / RHEV / Red Hat OpenStack / RHEL 7

Hello Friends, RHEL 7 is released, I am getting constant calls / emails / messages from many friends from different different places regarding their doubts on RHEL 5 to 6 or 6 to 7 up-gradation. Sharing this to clear confusion / doubts. Clear your doubts Regarding Up-gradation :- 1. Yes, RHEL 7 is out, but […]

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[Video] [HowTo] CentOS / RHEL 7 Installation with GUI / Custom Partition

Hello, Today I have tried to Install CentOS 7 on my Virtual Machine. Sharing video of CentOS 7 Installation with GUI and Custom Partition with LVM. Hope this video will help to those who wants to Install and Looking for easy guide for CentOS 7 Installation. CentOS / RHEL 7 Installation Video Enjoy CentOS 7 […]

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RHEL 7 / CentOS 7 : How to get started with Systemd

Hello All, Today I was trying to learn and know about Systemd. I have found one of the great Article, Sharing with you guys, It will help you to understand this biggest and major change in RHEL and CentOS 7. This article is not mine, I found on internet and felt that this is wonderful […]

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Script for Check Bulk IP Ping / Status / Health | Linux

Hello, Sharing Basic script which I have shared in Some LUG before few months. Sharing it here because it will help to people who wants to check PING of Bulk IP Addresses and check status and health by pinging the IP Address. Again repeating this is very basic script and many changes required to improve, […]

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