≡ Menu

Networking

Debian / Ubuntu: Console Based Network Load Monitor

I am looking for a generic network load monitor that will work over the remote ssh session. Nothing fancy. All I need is current device statistics together with a nice graph. How do I monitor network load using a console based software under Debian or Ubuntu Linux operating systems?
[click to continue…]

OpenBSD: Boot / Install Using PXE (Preboot Execution Environment)

How do I boot and Install OpenBSD operating system using Preboot Execution Environment (PXE)? Do I need to use an existing OpenBSD host to install OpenBSD using PXE?
[click to continue…]

HowTo: Linux Limit A Specific User’s Shell Account Network Bandwidth Using Bash Shell and Trickle

I am using a bash shell under Ubuntu Linux operating system. Sometime I need to restrict my own Internet bandwidth for all my shell applications such as ftp, sftp, wget, curl and friends. How do I limit the network speed under bash without setting up a complicated firewall and tc rules as described here?
[click to continue…]

Ubuntu / Debian Linux: Install and Setup TFTPD Server

How do I install and configure TFTP server under Debian or Ubuntu Linux server to configure networking equipment such as remote booting of diskless devices or remote loading of Unix like operating systems via PXE boot?
[click to continue…]

OpnBSD PPTP Client: Install and Create a VPN

I work form home, and I need to login into our corporate network (Microsoft based PPTP server) using a pptp based vpn. How do I configure and setup up a PPTP VPN client under OpenBSD desktop / laptop or router / server operating systems?
[click to continue…]

Ubuntu / Debian Linux: Setup An ISC DHCP Server For Your Network

How do I setup a DHCP server for my local area network (LAN) using Debian Linux 6 or Ubuntu Linux server running on my IBM hardware?
[click to continue…]

HowTo: Speedup ping and traceroute Command Responses under Linux / Unix

The following question was asked in the Unix networking exam:

     How do you speed up ping and traceroute command responses under Unix or Linux operating systems?

How can I speed up my ping or traceroute commands on a Linux?
[click to continue…]

CentOS Linux 5/6 Change Hostname Command

I am a new CentOS Linux server user. How do I change hostname on CentOS Linux? How can I change server hostname on CentOS Linux version 5 or 6?
[click to continue…]

Linux FTP Server Traffic Control And Throttle Port 21

I‘ve setup a FTP server at port 21 and 40000:41000 as range of passive ftp. How do I control outgoing traffic for the FTP server/service running on my Debian/CentOS/Ubuntu Linux server?
[click to continue…]

Debian / Ubuntu Linux: Setup Wireless Access Point (WAP) with Hostapd

I‘ve got a spare USB Wireless Adapters (WIFI adapter/dongle) and my ISP router does not support wireless option. How do I turn my home nas server into a wireless access point (WAP) that allows wireless devices to connect to a wired network using Wi-Fi under a Debian or Ubuntu Linux operating systems without purchasing additional WPA box? How do I setup an Access Point (AP) mode Wi-Fi hotspot on a Debian or Ubuntu Linux operating systems?
[click to continue…]