Samba is an open source, and free software suite that provides file and print services to the SMB/CIFS clients. It allows us to share files, folders, and printers between Linux server and Windows clients. Using Samba, we can setup a domain controller on Unix/Linux server, and integrate the Windows clients to the Domain controller.
Category: Linux
Linux NFS File Server
The Network File System (NFS) is a client/server application that lets a computer user view and optionally store and update files on a remote computer as though they were on the user’s own computer. The NFS protocol is one of several distributed file system standards for network-attached storage (NAS).
Linux Firewalld rich rules
Rich rules provide a much greater level of control through more custom granular options. Rich rules can also be used to configure logging, masquerading, port forwarding, and rate limiting.
Linux Firewalld Port-Forward and NAT
In computer networking, port forwarding or port mapping is an application of network address translation (NAT) that redirects a communication request from one address and port number combination to another while the packets are traversing a network gateway, such as a router or firewall.
Linux Firewalld Zones and Services
Zones are pre-constructed rulesets for various trust levels you would likely have for a given location or scenario (e.g. home, public, trusted, etc.). Different zones allow different network services and incoming traffic types while denying everything else. After enabling FirewallD for the first time, Public will be the default zone.
Red Hat CentOS Linux Firewalld
A firewall is a network security system, either hardware- or software-based, that uses rules to control incoming and outgoing network traffic.
Hide Linux on LAN
Do you want to stay anonymous online, stay safe from ARP poisonong attacks, so you need to hide your machine from others, let’s hide linux on lan. You may have been attacked by someone on your LAN by redirecting or spoofing your connections to his own machine and watch all your packets including http and
Change network interfaces to old eth0 naming
You may noticed that network cards in new Linux have a new naming schema that will looks like eno1236558 or ens 3365777 , and you may don’t feel comfortable with that, the good news that you can get back old naming to eth0 , eth1 , … , let’s do it.
Linux File ACL extended permissions
The POSIX permissions are that each file or directory has an owner, group, and other with read, write, and executable bits, but only one user and one group. ACL are an extended set of permissions.
Linux SUID and SGID Permission
SUID ( Set User ID ) or SGID ( Set Group ID ) upon execution are Linux access rights flags that allow users to run an executable with the permissions of the executable’s owner or group respectively and to change behaviour in directories. They are often used to allow users on a computer system to