Lynxbee topic
Create a temporary audio loopback from a named microphone source to a named speaker or headphone sink using pactl. Start at a conservative volume and latency, save the returned module ID, unload that module to stop monitoring, and control acoustic feedback before turning anything up.
An apt or dpkg lock usually means another package operation is already protecting the package database. Do not delete the lock file. Identify the owner, let healthy updates finish, terminate only a genuinely frozen frontend, then complete pending configuration and dependency repair.
Ubuntu supports various media player which allow you to play audio and video from command line. Mplayer … Read more
If you want to use download some website contents such as html pages, css and java script … Read more
For testing FTP server connection from Ubuntu command line, we can use following command, Connected to my_ftp_server_IP220———- … Read more
SSHFS is a file system in user space (FUSE) that uses the SSH File Transfer Protocol (SFTP) … Read more
Use scp for a straightforward one-off copy, rsync over SSH for repeatable or resumable directory synchronization, SFTP for interactive/file-oriented workflows, and a tar stream for carefully controlled archive pipelines. The protocol encrypts transport; you still need host verification, least privilege, safe destination semantics, and end-to-end validation.
On Local Machine, from where you will try to login another machine, we need to use ssh-keygen … Read more
EncFS creates a virtual encrypted filesystem which stores encrypted data in the rootdir directory andmakes the unencrypted … Read more
Lets say you are trying to do something with UPNP which reserves port 1900 for all of … Read more
If you want to identify some binary belongs to which package in Ubuntu in certain situations when … Read more
If you want to capture something like commands when you are installing some software, compiling some opensource … Read more
In this post, we give the process and steps required to be done to upgrade your Ubuntu … Read more
You can update Ubuntu as mentioned in our another post “How to update Ubuntu Linux using command … Read more
Universal-ctags is a powerful tool for developers that helps in navigating code efficiently by generating tag files … Read more
Zombie process is the process which dies/finishes immediately and whose parent didn’t cares to handle the status … Read more
A stable address is usually safest as a DHCP reservation. When the host itself must own a static address, identify the active renderer, choose an address outside the dynamic pool, validate Netplan syntax, use rollback-capable apply, and verify link, route, DNS, and remote access separately.
This post details about how you can search and identify the details about the UPNP devices available … Read more
If you want to install docker on ubuntu, follow below procedure, Above two commands will install docker … Read more
If you want to know the bluetooth device you want to connect to is alive or not, … Read more
bluetoothctl is bluetooth control tool which allows us to make the host discoverable, scan other devices, pair to the scanned devices and also connect to those devices using command line utility on ubuntu. Follow below commands for the same.
Write a Go program using net.InterfaceByName to lookup IP addresses, MAC hardware addresses, MTU, and status flags for a specific network interface.
Learn how to enumerate network interfaces, inspect MAC addresses, extract IPv4/IPv6 CIDR subnets, and check interface status flags using Go.
Write a C packet sniffer in Linux using AF_PACKET raw sockets to capture, decode, and analyze Ethernet, IP, TCP, and UDP frames on wlan0.