Bokeh is a powerful Python library for interactive data visualization, but apps at scale can suffer from memory leaks and excessive RAM usage—especially when used with Holoviews, Panel, Datashader, large dataframes, or custom session logic. This article provides actionable techniques for professional developers to minimize Bokeh server memory consumption, grounded in real-world debugging and best-practice Continue reading
Handling Large File Transfers with Paramiko (Optimization Techniques)
Transferring large files with Paramiko requires optimization. This tutorial covers techniques for efficient transfers. It improves transfer speed and reliability.
How to Debug AuthenticationException: Common Causes and Solutions in Paramiko
The paramiko.ssh_exception.AuthenticationException is a common hurdle when working with Paramiko, indicating that the SSH client failed to authenticate with the remote server. This can stem from various issues, ranging from simple credential mistakes to complex server configurations or key file problems. Debugging this exception requires a systematic approach.
How to Troubleshoot NoValidConnectionsError: Network Connectivity and Server Reachability in Paramiko
The paramiko.ssh_exception.NoValidConnectionsError is a specific type of exception raised by Paramiko when it attempts to establish an SSH connection but fails to connect to any of the resolved IP addresses for the given hostname and port. This error essentially means: “I tried all the ways I know to connect to that server, and none of Continue reading
How to Resolve SSHException: Key exchange negotiation failed: Cipher Mismatch and Algorithm Issues in Paramiko
The SSHException: Key exchange negotiation failed is a common and often frustrating error encountered when using Paramiko to connect to an SSH server. This error indicates that the client (Paramiko) and the server could not agree on a common set of cryptographic algorithms for the SSH handshake. This usually boils down to a “cipher mismatch”, Continue reading
How to Fix SSHException: Incompatible ssh server (no acceptable ciphers) in Paramiko
SSHException: Incompatible ssh server (no acceptable ciphers) means cipher mismatch. Paramiko and the server don’t share ciphers. This tutorial explains how to solve it.
How to Authenticate Local Host with Paramiko
While it’s commonly used for connecting to remote servers, you can also use Paramiko to authenticate the local host itself, providing a secure way to automate local tasks.
How to Handle socket.timeout: Connection and Command Timeouts in Paramiko
socket.timeout occurs when a connection times out. This can happen during connection or command execution. This tutorial explains how to handle it.
How to Decode ChannelException: EOF sent: Understanding Channel Closure and Remote Process Termination in Paramiko
ChannelException: EOF sent indicates the remote process finished. This signals the normal end of a command. This tutorial explains what it means.
How to Make a Countplot in Seaborn
A countplot is a bar chart that shows the number of observations for each category of a categorical variable. It is a simple and effective way to visualize the distribution of a categorical variable.
How to Diagnose SSHException: Channel closed: Server-Side Issues and Network Interruptions in Paramiko
SSHException: Channel closed means the SSH channel was closed. This can happen due to server or network issues. This tutorial explains how to diagnose this.
Converting Tensors to NumPy Arrays in Python
Understanding the conversion between tensors and NumPy arrays is crucial in Python’s data science and machine learning landscape. This guide covers methods, considerations, and best practices for converting TensorFlow or PyTorch tensors into NumPy arrays, providing a seamless workflow in various computational tasks.
Paramiko: Socket Is Closed Error
If you’ve encountered the “Socket Is Closed” error while working with Paramiko, you’re not alone. This error can be frustrating, but it’s essential to understand why it occurs and how to deal with it.
How to resolve LinAlgError: Singular matrix in Numpy?
Encountering a ‘LinAlgError: Singular matrix’ error is common in numerical computations involving matrices. This error indicates that the matrix you are trying to invert or perform certain operations on is singular, meaning it doesn’t have an inverse. Here’s how to approach resolving this issue in NumPy.
How to create Scatter Plot in Seaborn
Seaborn is a powerful data visualization library in Python that provides beautiful and easy-to-use interfaces for creating a variety of plots. One of the most common types of plots used in data visualization is a scatter plot. A scatter plot is a type of plot that displays the relationship between two variables. You will see Continue reading