Deepak Prasad

OOM is an abbreviation for Out Of Memory and if you are working in IT Field then you may not be new to this term. This can be a nightmare for developers and

How to allow SSH for root login only from specific host or IP address? How to configure and restrict SSH to permit login only for certain users and/or groups?

configure and setup gfs2 file system with pacemaker cluster on rhel or centos 7 linux. configure gfs2 fs resource constraint using clvmd and dlm

How to configure apache http server to transfer files? Steps to configure apache HTTP server over TLS/SSL to transfer files. How to configure Apache server

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The other day I noticed this specific message on the console of Virtual Box VM installed with Ubuntu 22.04 RETBleed: WARNING: Spectre v2 mitigation leaves CPU vulnerable to RETBleed attacks, data leaks possible! As you …

how to configure dns server in rhel 7 or rhel 8 step by step. dns server configuration in linux step by step centos. bind chroot. dns server configuration in linux step by step centos. how to configure dns server in rhel …

Step by Step Installation Guide for Red Hat Enterprise Linux 8 Beta. Install RHEL 8 Beta with screenshots. How to install RHEL 8 Beta Linux with images.

Steps to convert image format, resize image percentage, scale using imagemagick in linux. shell script to batch resize image and convert image format in linux.

Step by Step instructions to setup wordpress reverse shell using 3 different methods. Setup reverse shell using metasploit framework, vulnerable plugins, editing wordpress themes.

There are four different ways to compute square of a number in Java, Using multiplication operator *, Using Math.pow() function, Using BigInteger.pow() function, Using Apache Commons Math API

In this article I will share the steps to capture serial console dump from iLO4 using VSP with screenshots which can help you troubleshoot RSOD issue in BIOS

Set and Modify kernel command line arguments, update GRUB2 in RHEL 8 using grub2-editenv, grubby and grub2-mkconfig with examples to disabled IPv6 RHEL 8 Linux

Steps to set java timezone using tzupdater update tzdata for openjdk in CentOS RHEL SLES. Check current tzdayta version in JRE java -jar tzupdater.jar -V

How to prevent user from using old password or reusing old password while providing new password in CentOS/RHEL 7 Password has been already used. Choose another

Step by step tutorial to join or add CentOS 8 to Windows Domain Controller running on Windows Domain Controller Active Directory on 2012 R2 using winbind RHEL 8

How to generate sosreport in rescue mode linux. Fix sosreport command not found. Boot using RHEL/CentOS DVD to rescue mode in linux with software raid linux

Earlier I was getting an error "The domain status of Virtual Connect Manager is not OK Update will not continue" while performing firmware upgrade of my Virtual Connect wherein one of my VC module had a hardware error …

Configure port forwarding in virtualbox NAT Networking using command line CLI using VboxManage GUI. ssh into virtualbox from windows port forwarding computer

Configure FTP Server and authenticate users from Active Directory for VSFTPD server in CentOS/RHEL 7 and 8 Linux. Connect FTP Server from AD user in Linux

Some of the task performed by the NumberFormat class in Java are Formatting Numbers, Setting number of Digits in Fraction part, Rounding Numbers, Formatting Percentage, Formatting Currency

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In this tutorial we'll show how we can use node affinity to schedule application pods as per our needs.

When operating with numbers and strings, many times while fetching the data from the text box, we fetch it as a string. Now, on back-end this data may be

The Kubernetes subPath property prevents overwriting of existing data by mounting a single file from the volume instead of mounting the whole volume. We'll

Kali Linux is one of the most popular Linux distributions used for Security auditing and Penetrations testing. It comes pre-installed with numerous (300+)

It is a traditional way to paginate with mongoose. Here, It simply uses limit and offset in SQL queries to paginate the data from database. If you are working

Shodan is a search engine but very different from regular search engines like Google, Yahoo, Bing, etc., which search the web for standard websites. Shodan

A Stack is a Last in First out(LIFO) data structure. Push and pop operations are used for insertion and deletion of a value from the stack respectively. In

In this article we explored three different methods which can be used in Java to find merge point of two lists i.e Brute Force Approach, Marking Node as visited and Using HashSet