Linux: Instructions on using commands about User and Group on Linux
Structure of / etc / passwd file Structure of /etc/shadow file Useradd command: Create new Local User Usermod command: Modify exist Local User Userdel command: Read More
Articles by Vincent
Linux: Instructions for using the File System command on Linux (Part 2)
fsck command: is used to check and repair Linux filesystems (ext2, ext3, ext4, etc.) The exit code returned by fsck is the sum of the Read More
Linux: Instructions for using the File System command on Linux (Part 1)
Overview Utilities support The fdisk family: These programs (fdisk, cfdisk, and sfdisk) are text-mode tools that can handle MBR GPT fdisk: This family (gdisk, cgdisk, Read More
Linux: Instructions for using file permission commands on Linux
Overview There are 3 types of people that affect file/dir permissions User Owner: A single person who owns the file/dir (user owner may be user Read More
Linux: How to install CentOS virtual machine on VMWare
Overview The article instructs the installation of CentOS operating system on VMWare Workstation, CentOS is a free Linux operating system, which can be used to Read More
Visio Stencils: Network Diagram with DR Site
Overview This article describes a network with a disaster response infrastructure that happens to be DR Site. Applicable to medium and large enterprise systems, high Read More
Fortigate: How to configure user authentication LDAP on Fortigate
Overview This article explains how to authenticate LDAP to synchronize users form AD to the Fortigate firewall device, from which to configure the features for Read More
Pfsense: How to configure DHCP Relay function on Pfsense
Overview This tutorial explains how to configure DHCP Relay, to act as a request and response station for DHCP Server, to provide IP for workstations Read More
Pfsense: How to configure DHCP Server function on Pfsense
Overview How to configure Login to Pfsense by Admin account Services -> DHCP Server -> LAN Choose Enable DHCP Server on LAN interface In Range: Read More
Pfsense: How to configure Failover for WAN on Pfsense
Overview This article guides how to configure the Failover for WAN on Pfsense device to ensure the network has Backup network, helping the system to Read More