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OS Tunining

CentOS and RHEL Performance Tuning Utilities and Daemons Tuned and Ktune

Tuned is a daemon that can monitors and collects data on the system load and activity, by default tuned won’t dynamically change settings, however you can modify how the tuned daemon behaves and allow it to dynamically adjust settings on the fly based on […]

Performance Tuning in centos7

Performance Tuning in centos7 Tuned

In RedHat (and thus CentOS) 7.0, a daemon called “tuned” was introduced as a unified system for applying tunings to Linux. tuned operates with simple, file-based tuning “profiles” and provides an admin command-line interface named “tuned-adm” for applying, listing and even recommending tuned profiles.

Some operational benefits of tuned:

File-based configuration – […]

WinPE 10-8 Sergei Strelec

WinPE 10-8 Sergei Strelec (x86/x64/Native x86) 2018.01.05 English Version | File size: 2.89 GB

Bootable disk Windows 10 and 8 PE – for maintenance of computers, hard disks and partitions, backup and restore disks and partitions, computer diagnostics, data recovery, Windows installation.

WinPE 10-8 Sergei Strelec (x86/x64/Native x86) 2017.10.03 English Version

The World’s Most Advanced […]

How-to extend a root LVM partition online

How-to extend a root LVM partition online

This guide will explain you how to extend a root LVM partition online.

There is also a quick remedy for the emergency situation when your root partition runs out of disk space. There is a feature specific to ext3 and ext4 that can help the goal of resolving […]

Firewalld Centos-7

As of Centos7 the default firewall application has changed from iptables to firewalld. FirewallD provides dynamic filterinc versus static ones in iptables. You can read more about details of the features included at Fedora project page here and or on their official homepage here.

This page will help me to unlearn the iptables and remember […]