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RHEL / CentOS 6.x KVM Virtualization Installation and Configuration Guide
How do I setup and manage a virtualized environment with Kernel based Virtual Machine (KVM) in CentOS or Red Hat Enterpise Linux version 6 server on IBM server? Can you provide step-by-step commands of...
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Linux: Log Suspicious Martian Packets / Un-routable Source Addresses
I run a web-server and I would like to log packets with un-routable source addresses on Linux operating system. How can I log spoofed packets on Debian / Ubuntu / CentOS / RHEL / Linux based server?...
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Linux / Unix: chroot Command Examples
I am a new Linux and Unix user. How do I change the root directory of a command? How do I change the root directory of a process such as web-server using a chroot command to isolate file system? How do...
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Set Up SSH Tunneling on a Linux / Unix / BSD Server To Bypass NAT
I'm a new Linux / Unix system user. How can I set encrypted tunnel between my desktop/laptop computer and server in a remote data center to bypass the limits in a network? How do I create a reverse SSH...
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How To Stress Test CPU and Memory (VM) On a Linux and Unix With Stress-ng
I want test my Linux, OpenBSD, FreeBSD and Unix-like server entirely for high load and monitoring the health under stress. How can I stress out my CPU, memory, I/O, and disk stress and more with stress...
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Howto Configure PFSense Site-to-Site IPSec VPN Tunnel For Remote Access
I work from a small office/home office and I need to set up an IPSec site-to-site VPN between a Cisco/OpeNBSD IPSec-enabled gateway and firewall running PFSense. How do I configure the VPN tunnel so...
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Debian/Ubuntu Linux: Restrict an SSH user session to a specific directory by...
I setup a web-server. I need to grant a user ssh access but I do not trust users. How can I limit user session to a specific directory such as /home/httpd/$USERNAME? How do I set up a ssh chroort jail...
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How To Install pfSense Firewall On a Hard Disk Drive With Serial Console...
I'm looking to install pfSense 2.2.x and I would like to install it on a hard disk drive rather than CF (compact flash). How can I install hard disk install via serial console on the soekris net5501...
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How to Compile and Install Linux Kernel v4.2 Source On a Debian / Ubuntu Linux
How do I download, compile and install the latest version of the Linux kernel on a Debian Linux v8.x or Ubuntu Linux LTS home server or my laptop? How do I build and install a custom Linux kernel on a...
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How to backup and restore a partition table on Linux
Is it possible to just backup my Linux partition table and restore it when required? How do I restore partition table if it get deleted by mistake on Linux operating system? How do I backup and restore...
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How To Setup OpenVPN Server In 5 Minutes on Ubuntu Server
I am a new Ubuntu Linux server user. How do I setup an OpenVPN Server on Ubuntu Linux version 14.04 or 16.04 LTS server to shield my browsing activity from bad guys on public Wi-Fi, and more?
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How to install htop on pfSense firewall
I am using pfSense version 2.3.2-RELEASE (FreeBSD 10.3-RELEASE-p5). How do I install htop version 2.x on a pfSense firewall?
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How to setup a UFW firewall on Ubuntu 16.04 LTS server
How do I setup a firewall with UFW (uncomplicated firewall) on an Ubuntu Linux 16.04 LTS server to restrict traffic on my personal web-server that hosts my pictures and blogs for my family members?
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How to configure pfSense as multi wan (DUAL WAN) load balance failover router
How do I setup a multi-WAN load balancing and failover on pfSense router with two ADSL or cable or leased-line or FTTH (Fiber to the home) connections?
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How to configure Wi-fi+Lan bridged access point in pfSense firewall router
I have installed wireless mini-PCIe card for my pfSense firewall. How do I configure a bridged LAN wifi access point (AP) network and setup pfSense?
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How to pair Pi-hole with an OpenVPN to block ads and increase privacy on...
I followed your tutorial to install an OpenVPN on my Ubuntu server in the cloud. How can I install Pi-hole to block ads, reduced my 4G/3G/LTE traffic on the same Debian or Ubuntu Linux server?
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How to add an extra second hard drive on Linux LVM and increase the size of...
I have 250GB disk installed on my home Linux server. I just bought a brand new 250GB SATA disk and I want to add a new disk to my existing LVM volume to increase its size total size to 500GB. How do I...
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How to install GlusterFS with a replicated high availability storage volume...
I want to share my web server DocumentRoot /var/www/html/ across 2 Apache web server. Both of my web servers are behind load balanced reverse proxy powered by Nginx. How do I setup and install...
View ArticleHow to install and configure MariaDB Galera as master to master replication...
How do I install and configure MariaDB Galera master to master cluster on Ubuntu Linux 16.04 LTS server to get both read and write scalability?
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How to enable TLS/SSL encryption with Glusterfs storage cluster on Linux
I setup GlusterFS cluster on Ubuntu Linux. How do I enable network encryption using TLS/SSL for my Glusterfs storage cluster on Linux for security reasons? How do I setup I/O encryption and management...
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