Articles about shell | UserComp.com | Page [ 2 ]

Undo nix-shell-p<package>: Revert Package Changes?

Exit the nix-shell to revert package changes and restore the parent shell environment.

Read More
Unlock Bitlocker Encrypted Drives: A Simple Way with PowerShell

Unlock BitLocker encrypted drives programmatically using PowerShell and recovery passwords for automated remote management.

Read More
Query effective ssh (client) config from the command line

Resolve SSH connection issues by using ssh -G to view the effective client configuration after merging system, user, and command-line settings.

Read More
Automatically Generate List Files with Filename and Folder Names using Windows CMD or PowerShell

Generate a recursive list of files with full paths in Windows using PowerShell or CMD for auditing and backup verification.

Read More
Why Powershell Code Works on One Computer but Not Another?

Resolve PowerShell script failures across different computers by checking execution policies, verifying module availability, and ensuring consistent variable scopes.

Read More
PowerShell Closure Issue: Learning the Basics

Resolve PowerShell closure bugs where script blocks capture variable references instead of values by using parameter binding.

Read More
Error Messages in PowerShell When Running a Foreach Loop: The Variable is Too Long

Resolve PowerShell OutOfMemoryException in Foreach loops by replacing string concatenation with StringBuilder to prevent memory exhaustion.

Read More
XDG Base Directory environment variables not respected by notionally compliant software

Fix XDG Base Directory variables not being exported in shell profiles to resolve software ignoring custom config paths.

Read More
Different Domain Controller Names: LOGONSERVER and Get-ADDomainController

Resolve discrepancies between $env:LOGONSERVER and Get-ADDomainController by understanding their distinct authentication versus discovery mechanisms.

Read More
Powershell (Win) Stopped Working: Win32 Internal Error

Resolve PowerShell Win32 internal errors by repairing corrupted system files with SFC and DISM, adjusting execution policies, and checking for security software conflicts.

Read More
Windows Computer: Gaining SSH Access Outside Local Network Using PowerShell

Resolve inability to remotely access Windows via SSH from outside the local network by configuring the native OpenSSH server and router port forwarding.

Read More
Understanding Multidimensional Expansion and Brace Expansion in Tech Support: A Bash Example with ImageMagick

Use Bash brace expansion to generate multiple file arguments for ImageMagick commands, streamlining batch image processing and preventing syntax errors.

Read More
Configure XShell PGDN to work properly in bash: Session types displaying next command instead of expected

Fix Xshell PGDN key displaying raw escape codes in bash by correcting the terminal type emulation and verifying readline key bindings.

Read More
Understanding the Difference: Pentesting Reverse Shells in Unix vs. Telnet

Resolve non-functional interactive sessions when using Telnet for reverse shells by addressing missing pseudo-terminal allocation.

Read More
Shutdown.exe Not Running on Windows 11 with PowerShell

Resolve shutdown.exe failures in Windows 11 PowerShell by fixing execution policies, granting admin rights, and correcting command syntax.

Read More
Registry Key PowerShell: Troubleshooting with Get-Item and Test-Path

Resolve PowerShell errors when accessing Windows Registry keys by using Test-Path to verify existence and Get-Item to retrieve metadata safely.

Read More
How to Display a Feature List with Subfeatures using Get-WindowsFeature in PowerShell

Resolve the difficulty of viewing Windows feature hierarchies by using Get-WindowsFeature to display parent roles and their subfeatures clearly.

Read More
Troubleshooting PowerShell Get-Appx -AllUsers Failure

Resolve Get-AppxPackage -AllUsers failures caused by stopped services, insufficient permissions, or corrupted system files.

Read More
Command Prompt Drive Switching Different From PowerShell

Resolve drive switching inconsistencies between Command Prompt and PowerShell by understanding their distinct session state management behaviors.

Read More
Powershell Task Scheduler Fails to Launch: A Troubleshooting Guide

Resolve PowerShell Task Scheduler failures by configuring powershell.exe as the program and using -File arguments to handle execution policies and paths correctly.

Read More
Automating Directory Renaming with Number Matching List using Shell Scripting

Automate renaming directories by mapping numeric IDs from a list to specific names using a safe Bash script.

Read More
How to Set the Target of a .lnk File Programmatically with PowerShell or C++

Resolve broken Windows shortcuts by programmatically updating the target path using PowerShell WScript.Shell or C++ IShellLink COM interfaces.

Read More
Troubleshooting: PowerShell Cannot Run Mount-Windowsimage Command

Resolve Mount-WindowsImage failures by verifying admin privileges, correcting WIM paths, and installing required Windows capabilities.

Read More
Cannot install language from CLI: ErrorCode: -2147418113

Resolve RPC_S_SERVER_UNAVAILABLE error when installing language packs via CLI by verifying WMI and Trusted Installer services, repairing system files with SFC and DISM, and ensuring proper administrative permissions.

Read More
Running PowerShell Commands with Spaces using WSL: A Complicated Example

Resolve WSL Bash argument parsing errors when executing complex PowerShell commands containing spaces and special characters.

Read More
Understanding Differences in Basenames and Outputs of '$x' and 'echo ${x##*/}'

Extract the basename from a full file path in Bash using parameter expansion instead of external commands.

Read More
Fixing Browser Errors when Running Jupyter Notebook on Windows 11 PowerShell

Resolve Jupyter Notebook browser launch failures on Windows 11 by fixing default browser settings, Python path conflicts, and environment variable issues.

Read More
Batch Move files to sub-directory from list.txt

Automate batch file movement to specific subdirectories using PowerShell by parsing source and destination paths from a text file.

Read More
Files Not Visible: Troubleshooting Get-FileHash PowerShell Issue

Resolve Get-FileHash failures caused by invalid paths, MAX_LENGTH limits, or insufficient read permissions.

Read More
Exporting same format to CSV

Resolve CSV export issues by removing type headers and setting UTF-8 encoding to ensure consistent, compatible data formats.

Read More
How to Change a Password via PowerShell without Prompting for Existing Password

Reset Active Directory user passwords via PowerShell without prompting for the existing password using Set-ADAccountPassword.

Read More
Setting Global Variable with Bash Function Output Piped to Another Command

Assigns a Bash function's output to a global variable using command substitution to avoid subshell isolation issues caused by pipes.

Read More
Determining Path in Ash Shell: Sourcing Scripts

Resolve command not found errors when sourcing scripts in Ash shell by using absolute paths and ensuring a space between the dot and file path.

Read More
Using Complex Find Statements in Bash Shell Scripting

Demonstrates how to construct precise file searches in Bash using complex find statements with logical operators, grouping, and proper quoting.

Read More
Writing a Shell Script Compatible with Bash and Zsh for Addressing Array Elements

Resolve off-by-one errors and syntax incompatibilities when accessing array elements in scripts intended to run on both Bash and Zsh.

Read More
Connect to OpenSSH Server on Windows using PowerShell

Resolve OpenSSH connection failures on Windows by enabling the client feature and configuring firewall rules via PowerShell.

Read More
Troubleshooting Powershell Script: Unable to Edit TF2 Config File

Resolves PowerShell access denied errors when editing Team Fortress 2 config files by granting write permissions via admin rights or folder security settings.

Read More
POSIX Shell Script: Expand Multiple Command Arguments Variables Later

Resolve unsafe word splitting when expanding multiple command arguments stored in a single variable by using set -- and positional parameters.

Read More
Running External Commands with PowerShell Variables and Parameters

Resolve PowerShell parsing errors when passing variables and arrays to external commands like plink using the call operator.

Read More
How to configure powershell for OpenSSH instead of cmd

Configure Windows PowerShell to use native OpenSSH by installing client and server capabilities, starting the sshd service, and setting it to automatic startup.

Read More
Using Zsh on MacOS Catalina 10.15.17: A Comprehensive Guide

Resolve shell compatibility issues and configure Zsh as the default terminal on macOS Catalina 10.15.

Read More
How to affect only directories with Move-Item in PowerShell?

Move only directories using Move-Item by piping Get-ChildItem with the -Directory parameter to filter out files.

Read More
Change Font in Windows Terminal Session using PowerShell

Programmatically change the font in a Windows Terminal profile by modifying settings.json via PowerShell.

Read More
Asynchronous PowerShell Script: Executing Callbacks Synchronously

Resolve race conditions by invoking PowerShell delegates synchronously using the Invoke method to ensure sequential execution and predictable state management.

Read More
PowerShell Equivalents: Manipulating Files and Directories

Map Unix file commands to PowerShell cmdlets for efficient directory navigation, content viewing, and filtering.

Read More
How to Pass an Environmental Variable URL String to Gradle Task in Jenkins

Pass dynamic URLs from Jenkins to Gradle tasks using the -P flag and project.findProperty for secure, environment-specific builds.

Read More
Pass Argument to the Script in Stdint: A Shell Tech Support Guide

Resolve shell script argument handling errors by correctly using positional parameters and getopts instead of C-style integer types.

Read More
SCP Not Working: Custom Python Shell Script Migration from Ubuntu 20.04 to Debian 12

Resolve SCP failures in Python scripts after migrating from Ubuntu 20.04 to Debian 12 by fixing subprocess path and environment variable issues.

Read More
Find an SSL certificate with Powershell that is NOT expired

Retrieve non-expired SSL certificates from the Windows certificate store using PowerShell by filtering the NotAfter property against the current date.

Read More
Access Denied when Deleting Files or Folders using PowerShell - Fix

Resolve PowerShell Access Denied errors when deleting files by running as Administrator, checking for file locks, and verifying NTFS permissions.

Read More