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Potential Impact on Processors in the POWER family

On Wednesday, January 3, researchers from Google announced a security vulnerability impacting all microprocessors, including processors in the IBM POWER family. This vulnerability doesn’t allow...

How to patch Meltdown CPU Vulnerability CVE-2017-5754 on Linux

A very serious security problem has been found in the Intel CPUs. Meltdown CPU Vulnerability CVE-2017-5754 breaks the most fundamental isolation between user applications and...

Creating a Yum Repository Server for Red Hat and CentOS

There are many reasons you may want a local Red Hat Enterprise Linux or Centos repository. Bandwidth is a major factor as downloading updates...

How to Clear RAM Memory Cache on Linux

Every Linux System has three options to clear cache without interrupting any processes or services. 1. Clear PageCache only. # sync; echo 1 > /proc/sys/vm/drop_caches 2. Clear...

nagios- nrpe installation error(configure: error: Cannot find ssl libraries)

When I want to install nrpe plugin,I get an error. # ./configure ... checking for type of socket size... size_t checking for SSL headers... SSL headers found in...

AIX command vs. Linux commands

Lets Compare Commands between AIX and Linux Common System Files File AIX Linux Password file /etc/passwd /etc/passwd Encrypted password file /etc/security/passwd /etc/shadow Error logs /var/adm/ras/errpt /var/adm/messages /var/log/messages Group files /etc/group /etc/security/group /etc/group /etc/gshadow Secure...

Top 5 Yum Repositories for CentOS/RHEL 7/6/5 and Fedora 21/20/19 Systems

YUM ( Yellowdog Updater, Modified ) is an command-line package-management utility for RPM based Linux systems, It has been released under the GNU General...

15 Best Security Tips for LAMP Stack (Apache, MySQL and PHP) on Linux

All the configuration changes are used in this article will be updated in following configuration files as per your operating systems. In some cases...

Setting up LAMP ( Linux,Apache,MariaDB,PHP) stack on Redhat 7 Linux

This tutorial will show how to setup a basing LAMP environment on RHEL7. This guide is logically split into three parts: Installation of Apache...

How To Fix “Device eth0 does not seem to be present, delaying initialization” Error

Try to start Eth0 device # ifup eth0 Device eth0 does not seem to be present, delaying initialisation To Solve this : Delete networking interface rules file so...

Host resource of type “Other Storage Device (20)” is supported with SATA AHCI controllers only, line 47.

ı encountered a problem yesterday.I have a vmdk for vmware workstation.But I deleted vmware and install oracle virtual box.I have to convert this vmx...

RHEL 7, CENTOS 7 in VMware no network adapter

RHEL 7, CENTOS 7 in VMware no network adapter After installing CentOS 7 in ESXi or VMWare Workstation there are no network adapters available. The new...

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What’s new in Kubernetes 1.17?

The newest version of Kubernetes is about to get released.Here is the list of what’s new in Kubernetes 1.17. This recap...

JFrog Announced JFrog Container Registry

JFrog has launched a free edition of its JFrog Container Registry.This free container registry, launched at this year’s KubeCon+CloudNativeCon North America 2019.

CKAD Certification now expire 36 Month

The Certified Kubernetes Application Developer (CKAD) certificate is now valid for 36 months instead of 24 months.You can...

Quay(Container Registry) and Clair(Container Security) are now officially open source as Project Quay

Quay(Container Registry) and Clair(Container Security) are now officially open source as Project Quay.Red Hat is introducing...