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Relax-and-Recover (ReaR) configuration || Backup and Recover Linux System With ReaR

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Relax-and-Recover (ReaR) configuration Introduction: Relax-and-Recover is the leading Open Source bare metal disaster recovery solution. It is a modular framework with many ready-to-go workflows for common situations. Relax-and-Recover produces a bootable image which can recreate the system’s original storage layout. Once that is done it initiates a restore from backup. Since the storage layout can be modified prior to recovery, and disimilar hardware and virtualization is supported, Relax-and-Recover offers the flexibility to be used for complex system migrations. Currently Relax-and-Recover supports various boot media (incl. ISO, PXE, OBDR tape, USB or eSATA storage), a variety of network protocols (incl. sftp, ftp, http, nfs, cifs) as well as a multitude of backup strategies (incl. IBM TSM, Micro Focus Data Protector, Symantec NetBackup, EMC NetWorker [Legato], SEP Sesam, Galaxy [Simpana], Bacula, Bareos, RBME, rsync, duplicity, Borg). Relax-and-Recover was designed to be ea...
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ISCSI Target and Initiator Configuration In Linux

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ISCSI Target and Initiator Configuration In Linux Configure ISCSI Target(Server): First we’ll start by configuring the iSCSI target on our server, which will be offering its disk space over the network to our client which is the iSCSI initiator. We want to install the ‘targetcli’ package on the server, this provides a shell for viewing and modifying the target configuration so that we can export local storage resources such as files, volumes or RAM disks to external systems. The layout is tree based and navigation works in a similar way to moving through the file system with commands such as ‘cd’ and ‘ls’ available.  NOTE: You need to one external blank DISK added in server(Target) for this configuration. check my youtube video " ISCSI Target and Initiator Configuration " for your reference. Install targetcli and open-iscsi package on Target and Initiator server: #yum install targetcli (For RedHat) #apt-get install targetcli (For Ubuntu) #zypper in targetcli  (For SUSE) ...
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Create a free EC2 Linux instance in AWS For 12 Months

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Create a free EC2 Linux instance in AWS For 12 Months To create a key pair: Follow the steps in  Setting up with Amazon EC2  in the  Amazon EC2 User Guide for Linux Instances  to create a key pair. If you already have a key pair, you don't need to create a new one. You can use your existing key pair for this exercise. check my youtube video " Create a Free EC2 Linux Instance In AWS " for your reference. To launch the EC2 instance and mount an EFS file system: 1. Open the Amazon EC2 console at  https://console.aws.amazon.com/ec2 2. Choose  Launch Instanc e .   3. In  Step 1: Choose Any Linux Image (AMI) , find an ubuntu AMI at the top of the list and choose  Select . 4. In  Step 2: Choose an Instance Type , choose  Next: Configure Instance Details .   5. In  Step 3: Configure Instance Details , provide the following information: Leave  Number of instances  at one. Leave  Purchasing option ...
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Red Hat Certified Systems Administrator – RHCSA (EX200) Ex@m practice 2022

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Red Hat Certified Systems Administrator – RHCSA (EX200) Ex@m practice 2022 Course Details RHCSA is an entry-level certification that focuses on actual competencies at system administration, including installation and configuration of a Red Hat Enterprise Linux system and attach it to a live network running network services. To achieve the RHCSA certification the student must pass  EX200 , a 2.5-hour hands-on lab exam. The minimum passing score for the exam is 21 0 out of 300 possible points (70%). There is no prerequisite for the exam, but Red Hat recommends preparing for the exam by taking courses in Red Hat System Administration (RH124 or RH134) if o ne does not have previous experienc e. RHCSA was launched in 2002 as Red Hat Certified Technician (RHCT). As of July 2009 there were 30,000 RHCTs. In November 2010 it was renamed to RHCSA. RHCSA E@AM Questions & Answers ********************************************** RHCSA-...
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Step-by-Step Install and Configure OpenLDAP on RHEL7/CentOS 7 Linux

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OpenLDAP Server Configuration on RHEL7/Centos7 Lightweight Directory Access Protocol  ( LDAP  in short) is an industry-standard, lightweight, widely used set of protocols for accessing directory services. A directory service is a shared information infrastructure for accessing, managing, organizing, and updating everyday items and network resources, such as users, groups, devices, email addresses, telephone numbers, volumes, and many other objects. The  LDAP  information model is based on entries. An entry in a LDAP directory represents a single unit or information and is uniquely identified by what is called a  Distinguished Name  ( DN ). Each of the entry’s attributes has a type and one or more values. An attribute is a piece of information associated with an entry. The types are typically mnemonic strings, such as “ cn ” for common name, or “ mail ” for the email address. Each attribute is assigned one or more values consis...
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Install LAMP Stack (Linux, Apache, MySQL, PHP) with PHPMyAdmin on RHEL 8 and CentOS 8

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  LAMP Stack (Linux, Apache, MySQL, PHP) with PHPMyAdmin on RHEL 8 and CentOS 8 Introduction: A “LAMP” stack is a group of open source software that is typically installed together in order to enable a server to host dynamic websites and web apps written in PHP. This term is an acronym which represents the Linux operating system, with the Apache web server. The site data is stored in a MySQL database, and dynamic content is processed by PHP. In this guide, you’ll set up a LAMP stack on an RHEL 8 and CentOS 8 server. Type the following command to find OS name and version: # cat /etc/*rel* check my youtube video " Install LAMP Stack with PHPMyAdmin on RHEL 8 and CentOS 8 Server " for your reference.                                                                         ...
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