Linux Network Related Knowledge
Mission 25 October
10.11 Linux Network Related
10.12 firewalld and netfilter
10.13 Netfilter 5 Table 5 Chain Introduction
10.14 iptables grammar
Linux network related commands
View network card information: ifconfig
Installation: Yum install-y net-tools
[root@centos7 ~]# ifconfig
ens33: flags=4163<UP,BROADCAST,RUNNING,MUL ...
Posted by jenniferG on Sat, 19 Jan 2019 09:18:13 -0800
Linux Cluster Keepalived-Nginx High Availability Cluster Architecture, Load Balancing Cluster, LVS Algorithms, NAT Model LVS Architecture
1. Introduction to Linux Cluster
linux cluster functions can be divided into: HA high availability, load balancing.
High Availability: There are two machines, one for the main work and one for the redundant backup. When the main machine goes down, the redundant machine will take over and continue to provide services.
Open ...
Posted by BigTime on Thu, 20 Dec 2018 19:33:05 -0800
Case of Day32 iptables filter table and application of iptables nat table
iptables filter small table case
Introduce two possible future examples of iptables filter tables
Case 1. Requirements (Release of designated ports)
Specify ports 80, 21, 22 to release, and 22 to specify an ip segment
To fulfill this requirement, we need to write a script
vi /usr/local/sbin/iptables.sh //Add the following
######The editoria ...
Posted by kitcorsa on Thu, 13 Dec 2018 21:03:06 -0800