Replication is a feature allowing the contents of one or more servers (called masters) to be mirrored on one or more servers (called slaves). The main mechanism used in replication…
PostgreSQL is a powerful, open source object-relational database system ( ORDBMS ). Unlike other relational database systems, PostgreSQL allows users to create unique operators, complex data types, aggregate functions, data…
Adiscon LogAnalyzer is a web interface to syslog/Rsyslog and other network event data. Although, it provides easy browsing, analysis of real time network events and reporting services. In this guide,…
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Centos/RedhatLinux
How to Install and Configure Lsyncd on CentOS 7 / RHEL 7
by Lotfi Waderni December 25, 2016Lsyncd stands for “Live Syncing Daemon“, lsyncd is used to sync or replicate files and directories locally and remotely after a specific time of interval. Lsyncd uses Rsync and ssh…
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Centos/RedhatLinux
How to Boot systems into different targets manually on CentOS 7 / RHEL 7
by Lotfi Waderni December 23, 2016RHCSA Exam Objectives: How to Boot systems into different targets manually In this lesson we are going to learn how to boot systems into different targets manually on the Red…
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Centos/RedhatLinux
How Boot, Reboot, and Shut Down the System Normally on CentOS 7 / RHEL 7
by Lotfi Waderni December 22, 2016RHCSA Exam Objectives: Boot, Reboot, and Shut Down a System Normally In this lesson we are going to learn how to boot, reboot, and shutdown the Red Hat Enterprise 7…
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Centos/RedhatLinux
How to reset the Root Password on CentOS 7 / RHEL 7
by Lotfi Waderni December 20, 20161./ Step Start the system and, on the GRUB 2 boot screen, press the e key for edit 2./ Step Jump to the end, of the linux16 line, or linuxefi…