How to reset or change lost root password in RHEL / CentOS 7
In Red Hat Enterprise Linux/Cent OS 6 changing root password was quiet easy (well it is easy if you know the steps and it is hard if you don't) For RHEL / CentOS 7 the
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How to configure Password-less authentication from Windows to Linux using Putty
I have already written few articles to configure passwordless authentication between two Linux servers, here in this article I will share the steps to configure password less login from Windows to Linux box using Putty
How to migrate (move) logical volumes and volume groups from one disk to another disk online without reboot in Linux
In this article I will show you two methods to migrate a logical volume /dev/rhel/lv1 from one disk to another without reboot assuming you have the extra disk already available on your system. Below steps
Sample autoyast example xml file for SLES 10, 11 and SLES 12
<?xml version="1.0"?> <!DOCTYPE profile SYSTEM "/usr/share/autoinstall/dtd/profile.dtd"> <profile xmlns="http://www.suse.com/1.0/yast2ns" xmlns:config="http://www.suse.com/1.0/configns"> <!-- $Header: $ --> <configure> <ntp-client> <configure_dhcp config:type="boolean">false</configure_dhcp> <peers config:type="list"> <peer>
Best practices to harden and increase security with ssh (ciphers, MACs etc)
In my another article I have shared the steps to configure SSH port forwarding and tunnelling in Linux Below are some of the selected arguments which can be used in sshd_config to harden the ssh
Step by Step Guide to Install and configure VCSA 6.5 with Embedded Platform Service Controller
VCSA i.e. vCenter Server Appliance is pre-configured linux virtual machine which is bundled with VMware vCenter Server. Here we are deploying VCSA with embedded PSC. Download the VCSA ISO from VMware website and then extract
How to reset iLO4 password remotely using Onboard Administrator
Did you forgot password for your iLO4 web page? You can reset the same using your OA, either using RIBCL script or by connecting to your iLO via OA and then resetting the same Method
Step by step tutorial guide with screenshots to Install and Configure VMware ESXi 6.5
Download the ISO from VMware and write it to DVD or Pendrive in bootable mode. How to make bootable Pendrive (USB) to install Windows, Linux, VMware from an ISO NOTE: If the target blade has