• Home
  • About Us
  • Contact
  • Privacy Policy

LinuxAdmin.io

  • Home
  • Tutorials
    • System Administration
    • Linux Tutorials
    • Web Hosting
    • WordPress
    • Virtualization
    • Troubleshooting
    • OpenStack

Linux System Administration 28

Tutorials, tricks and tips for linux system administration, management, troubleshooting security and devops.
 

How To Use LVM To Create A New Logical Volume

What is LVM Logical Volume Managment (LVM) is an abstraction layer between physical devices and the file systems which they create. This can make disk management easier by adding abilities to shrink or expand filesystems by just adding additional physical devices no longer being limited to a single physical device as the volume can span […]

5 years ago More
 

KVM Virsh Console Access on CentOS 7

By default Kernel-Based Virtual Machines(KVM) are not set up to access a serial console on the host using virsh. To enable a serial virsh console, so you can view text-based output on the host machine from the virtual machine you will need to make modifications to both the virtual machine and the physical machine.  Enabling […]

5 years ago 1 More
 

Using Parted To Create A New Swap Disk

What is Parted? Parted is a software package used to manipulate paritition tables. It is useful for formatting new disks, reorganinzing disks, and removing disk data First select the disk you would like to use, if you are unsure you you can use fdisk to list all of the disks available to you fdisk -l […]

5 years ago More
 

SELinux Introduction In CentOS 7

What is SELinux? Security-Enhanced Linux (SELinux) was developed to provide access control for linux. It goes beyond file permissions and ACLs to create a more secure environment by limiting access.  It is based  on subjects, objects, and actions. A subject is the running command or application(example proftpd), the object is anything that can be accessed […]

5 years ago 1 More
 

FirewallD Introduction On CentOS 7

What is FirewallD? Firewalld was introduced in CentOS 7/ RHEL 7 with both a GUI and command line interface for making changes. It is a alternative for using IPtables.  If offers a zone based firewall configuration that allows you to enable different zones with different levels of trust. Different Zone possibilities Zones change be changed, […]

5 years ago More
 

Recover A Root Password On CentOS

To recover the root password on a linux system if you do not have it have misplaced it depends on the major release of the OS. This guide will cover both CentOS 6(and prior releases) and CentOS 7. Recover a root password on CentOS 6 or older You will need to boot into single user mode. […]

5 years ago More
 

Iptables Introduction and Examples

Iptables is a firewall service included in CentOS, in CentOS 7 its offered as a alternative firewalld is offered as well. Iptables uses netfilter to filter chains. Essentially you create a chain of filter rules to process how incoming and outgoing data is handled. You can view more about iptables on Netfilter Iptables rule format […]

5 years ago More
Page 4 of 6« First«...23456»
Recent Posts
  • Laravel Installation Guide For CentOS
  • Openstack Services Explanation And Overview
  • OSSEC Intrusion Detection Installation On Centos 7
  • Configure ProFTPd for SFTP on CentOS
  • How To Check And Repair MyISAM Tables In MySQL
Most Commented
Hot Clone Linux Server with Rsync
Hot Clone A CentOS Server With Rsync
14 Comments
ngx_cache_purge module
Install The ngx_cache_purge Module In Nginx
8 Comments
piwik-nginx
Piwik Analytics on Nginx
8 Comments
Tags
linuxcentosLinux Performance Tuningsysadminkvmnetworkingmemcachedanalyticssystemd
About

We love Linux and are dedicated to creating Linux administration tutorials for System Administrators since 2016.

Most Viewed
Default Gateway
How To Configure A Default Gateway on CentOS
62,997 views
Zend Opcache
Setup and Optimize Zend OpCache
46,714 views
Install ffmpeg
FFMpeg Install On CentOS 7
20,912 views
Archives
Email subscription

Sign up for our newsletter to receive the latest news and event postings.

2018 © LinuxAdmin.io