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Category Archives: Networking

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Setting up a Software Bridge on Top of a Teamed Device on RHEL 7

Posted on 14/07/2016 by Lisenet

We are going to setup a bridged network interface on top of a teamed link. Continue reading →

Posted in Linux, Networking | Tagged bridge, CentOS, EX300, RHCE, RHEL | 16 Comments

Firewalld Rich and Direct Rules: Setting up RHEL 7 Server as a Router

Posted on 18/06/2016 by Lisenet

We are going to configure RHEL server as a router. Masquerading, port forwarding, rich and direct rules will be covered.  Continue reading →

Posted in Linux, Networking | Tagged CentOS, EX300, firewalld, RHCE, RHEL, rich rules | 69 Comments

Configure Unique Local IPv6 Addresses on RHEL 7

Posted on 23/05/2016 by Lisenet

Configure IPv6 addresses and perform some basic IPv6 troubleshooting. Continue reading →

Posted in Linux, Networking | Tagged CentOS, EX300, IPv6, RHCE, RHEL | 26 Comments

Configure Aggregated Network Links on RHEL 7: Bonding and Teaming

Posted on 21/05/2016 by Lisenet

Configure network bonding and teaming on RHEL 7. Continue reading →

Posted in Linux, Networking | Tagged bonding, CentOS, EX300, nmcli, RHCE, RHEL, teaming | 78 Comments

Set up CentOS 6 Linux Server as a Router Using Iptables

Posted on 21/11/2015 by Lisenet

Configuring CentOS Linux server as a router. Continue reading →

Posted in Linux, Networking | Tagged CentOS, homelab, Iptables, postrouting, prerouting, routing | 1 Comment

Configure fault-tolerance Network Bonding on Oracle Linux

Posted on 24/05/2015 by Lisenet

We are going to configure an active-backup network bonding on Oracle Linux 6. Continue reading →

Posted in Linux, Networking | Tagged bond0, bonding, CentOS, Oracle Linux | Leave a comment

Limit Bandwidth on Mikrotik with Simple Queue

Posted on 23/07/2014 by Lisenet

The simplest way to limit data rate for specific IP addresses and subnets on Mikrotik router. Continue reading →

Posted in Networking | Tagged Mikrotik | 4 Comments

Connect to WPA/WPA2 Secured Wireless Network on Debian Using Command Line

Posted on 16/05/2014 by Lisenet

Article applies to WPA-PSK/WPA2-PSK secured wireless networks. Note that WPA is deprecated, you should use WPA2 if possible.  Continue reading →

Posted in Linux, Networking | Tagged Debian, LPIC-2, wpasupplicant | 2 Comments

Manually and Automatically Configure Network Interfaces on Linux

Posted on 23/12/2013 by Lisenet

Yet another cheat-sheet for configuring network interfaces on Linux servers. Continue reading →

Posted in Linux, Networking | Tagged CentOS, Debian, LPIC-1

Finding Open Ports and Listening Services on Linux: Nmap, Netstat, lsof and ss

Posted on 29/11/2013 by Lisenet

Trying to keep it simple. Continue reading →

Posted in Linux, Networking | Tagged LPIC-1, lsof, netstat, nmap, ss

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