A few very useful networking apps for Android.
I recently set up my server again and I wanted to use it on a network. I removed Network Manager from the system as it was overwriting the /etc/resolv.conf file. Then I set up netplan instead. This allows me to setup a DHCP configuration and get my machine working on the network again. I still … Read more
Get the IPv6 address of a website very easily with this simple one-liner. jason@. PWD: ~. -bash. 3.2.57. 29 $> host ipv6.google.com | awk ‘FNR==2 {print $5}’ 2404:6800:4006:811::200ejason@. PWD: ~. -bash. 3.2.57. 29 $> host ipv6.google.com | awk ‘FNR==2 {print $5}’ 2404:6800:4006:811::200e This works just fine to get the required information. I am not sure … Read more
It is very easy on Linux to find out very useful networking details. The netdiscover utility will display a listing of all hosts on your local network. This would be very useful if run on a wireless network that does not have host isolation enabled. This can help you find networked printers and other useful … Read more
The Mac OSX operating system has a lot of very useful commands for keeping track of network usage. Here is a very nice one. The nettop command. As you can see, this shows a constantly updating display of network usage on Mac. This is very useful for watching network throughput in real time. Especially, if … Read more
This script will run a qemu VM and setup networking easily. This is very simple. 1 #!/bin/sh 2 3 export QEMU_AUDIO_DRV=alsa 4 DISKIMG=~/win7.img 5 WIN7IMG=~/Downloads/win7.iso 6 VIRTIMG=~/Downloads/virtio-win-0.1-81.iso 7 qemu-system-x86_64 –enable-kvm -drive file=${DISKIMG},if=virtio -m 4096 \ 8 -net nic,model=virtio -net user -cdrom ${WIN7IMG} \ 9 -drive file=${VIRTIMG},index=3,media=cdrom \ 10 -rtc base=localtime,clock=host -smp cores=4,threads=4 \ 11 -usbdevice … Read more
How to return only interface names when listing all installed network interfaces in a Linux box. jason@jason-Lenovo-H50-55:~/Documents$ ip link | grep -Po "(?<=^\d: |^\d\d:)[^:]+(?=:)" lo eth0 wlan0jason@jason-Lenovo-H50-55:~/Documents$ ip link | grep -Po "(?<=^\d: |^\d\d:)[^:]+(?=:)" lo eth0 wlan0 This is very useful to get a listing of all networking interfaces for use in a script. Do … Read more
There are good places in India to learn networking and gain a Cisco certification. The CCNA cert is very important in today`s world, and this is a very good organization to attain this cert. Network Bulls. https://www.networkbulls.com/. This facility offers a fully featured 24/7 lab environment to allow physical labs to practice Cisco networking and … Read more
Some obscure Linux tips for the advanced Linux userDownload a new kernel for your Ubuntu Linux machine Some obscure Linux tips for the advanced Linux user The magic SysRQ key combination is used to reset the Linux system if nothing else will work. To use this key combination, press: Alt+SysRQ then tap these keys in … Read more
The ethtool utility for Linux is very good at getting information about your Ethernet adapter. Below is the standard information that is available concerning the basic abilities of the Ethernet adapter. localhost% ethtool enp0s25 Settings for enp0s25: Supported ports: [ TP ] Supported link modes: 10baseT/Half 10baseT/Full 100baseT/Half 100baseT/Full 1000baseT/Full Supported pause frame use: No … Read more
OpenSwitch has joined the Linux Foundation’s stable of networking projects.
This is a significant step. It means the network operating system’s development will be driven
by community needs, instead of the needs of few private companies.
more>>
Get your gateway IP address with curl on the command line. [homer@localhost ~]$ echo $(curl -# http://ipecho.net/plain) ######################################################################## 100.0% 153.107.97.164[homer@localhost ~]$ echo $(curl -# http://ipecho.net/plain) ######################################################################## 100.0% 153.107.97.164 Another way to list the IP addresses of your network interfaces. Using the ip command. [homer@localhost ~]$ ip a | grep inet* inet 127.0.0.1/8 scope host lo … Read more
This is a good way to get the IP address of a host and print it to the terminal. homer@deusexmachina ~ $ host yahoo.com | awk ‘/ has address / { print $4 }’ | cut -d " " -f14- 98.138.253.109homer@deusexmachina ~ $ host yahoo.com | awk ‘/ has address / { print $4 }’ … Read more
Some common networking terms and their meanings. IPv4 – IP version 4: This is the current networking standard that defines an IP address with a 32-bit address composed of four octects. IPv6 – IP version 6: A newer standard of IP addressing that will replace the current IPv4. This uses a newer and more efficient … Read more
Some useful networking resources. http://www.routeralley.com/ra/docs/tcp_udp.pdf TCP and UDP reference. http://www.razorpoint.com/PDF/Rz.PortsList.pdf TCP/IP Ports listing. This is very useful for reference. http://www.gasmi.net/tcp.php Another TCP ports listing in HTML. http://www.hardwaresecrets.com/article/431 An introduction to the OSI model and how the TCP/IP Protocol works. http://www.protocols.com/pbook/tcpip1.htm A definition of common TCP/IP names. Intro to TCP/IP. TCP/IP and subnet masking explained. Kali … Read more
The newest edition of the Linux Mint distribution, “Olivia” will be available from May 2013. This edition is named after the Olive tree and will provide more of the quality Linux goodness that we have come to expect from a quality Linux distribution. This distro will maintain quality and will not stoop to adding Amazon … Read more
This is the sequence of events when you are creating a new user. Use the sudo adduser jsmith command to add a new user named jsmith. After that, you can type other information to identify your user and then set a password to secure their account. jason@Yog-Sothoth:~$ sudo adduser jsmith Adding user `jsmith’ … Adding … Read more
I recently wanted to connect my laptop running Linux Mint 12 Debian edition with my desktop machine running Linux Mint 13 Maya with a crossover cable, the desktop machine has two network cards, one connected to the Ethernet modem and one that I connected my crossover cable to. Then I clicked the Network icon on … Read more
The only annoying thing about WordPress the way I have it set up is that when you update the WordPress core package, it overwrites the index.php that you have set up in the www root. But I had to upgrade the WordPress core and that has reminded me to back up the index.php in my … Read more