How to Enable GUI in RHEL 7 / CentOS 7? When you install the Redhat Enterprise Linux on datacenter, we will be not be installed with gnome packages by default. But in some cases, you may need graphical user mode. So you have to install the gnome packages and it’s dependencies to bring the system […]
How to create the yum repository on RHEL 7 ?
There is no much difference in package management in RHEL 7 when we compared to RHEL 6 . We can set up the yum repository using the DVD or you can dump the DVD contents to the filesystem and set-up it. Later on , you can make that filesystem to be available on other systems using http or […]
How to edit the grub on RHEL 7 ?
The default boot loader in Redhat enterprise Linux 7 is grub2(GRand Unified Bootloader2). The “grub2” supports almost all the operating systems. The main configuration file for grub2 is /boot/grub2/grub.cfg. If you want to make any configuration change on the grub menu , you need to use the utility called “grub2-mkconfig” . If you manually edit […]
How to reset the root password on RHEL 7 ?
This article will help you to reset the root password on Redhat enterprise Linux 7 (If you have lost it). Unlike the previous version of RHEL releases , REHL 7 brought special attention by bringing the lot of new features on it. You need to follow some special instruction on Redhat Enterprise Linux 7 to break the […]
Redhat Enterprise Linux 7.0 Installation
Redhat has made a lot of changes in Redhat Enterprise Linux 7.0(RHEL 7) when we compared to the previous versions. These changes likely to remind me that what oracle has done with Solaris 11. Most of the operating system vendors are forced to include many virtualization technologies to support the cloud and Redhat also one among […]
Cisco UCS – P81E Virtual Interface Card – Part 4
In UCS C-Series Rack-Mount Servers , You will get an option to choose the third party vendors network card or Cisco UCS P81 E VIC (Virtual Interface Card). Cisco UCS P81E Virtual Interface Card is a virtualization-optimized Fibre Channel over Ethernet (FCoE) PCI Express (PCIe) two x 8 10-Gbps adapter.The virtual interface card is a dual-port […]
Cisco UCS – C-Series Server Administration – Part 3
There are lot of elements which we didn’t see in the last article. In this article ,we will see that how to configure the CIMC log (syslog), Virtual KVM settings ,configure the BIOS, Power polices, User management, CIMC network settings. We will also see that how to configure the communication services for CIMC(http,https, ssh). To […]
Cisco UCS – C-Series Server Management – Part 2
In this article ,we will explore more about the Cisco UCS C-series server components and CIMC(Cisco Integrated Management controller). C-series are rack mounted servers and we need to manage using the CIMC unless you have the UCS manager installed on your environment. You have also option to opt the cisco UCS P81E virtual Interface card along […]
Cisco – UCS (Unified Computing System) Part -1
Everybody would have been surprised when CISCO jumped in to the X86 server hardware market in 2009. Since then they are growing rapidly in the server market and now they are one of the competitive vendors for Dell and HP. CISCO have chosen the right market where they can demonstrate the network capabilities and implement […]
How to update Oracle Solaris 11.2 – SRU
This article will talk about the Oracle Solaris 11.2 SRU update (Jan 2015). Oracle’s ultimate goal is to make the Solaris patching like Redhat Linux satellite server patching model. There are some companies would like to stick with the legacy OS patching model instead of going for the IPS patching method(Downloading the OS patch bundle […]