Articles about permissions | UserComp.com

Cannot change permissions in Windows 10 because the file is being used by another process

Resolve Windows 10 permission changes blocked by file locks by identifying and terminating the holding process using Task Manager or Process Explorer.

Read More
Primary User Group for Linux Desktop Applications

Resolve Linux desktop application permission errors by correctly changing the primary group with usermod and migrating existing file ownership using chgrp.

Read More
Troubleshooting Linux RHEL 7 - Ansible - Execute command in shell

Resolve Ansible shell module failures on RHEL 7 by fixing permission denied, file not found, and SELinux errors through proper user context, absolute paths, and security policy adjustments.

Read More
Giving User Permissions as Root Using Sudo: Two Methods Explained

Grant users administrative privileges via sudo by adding them to the sudo group or editing the sudoers file.

Read More
Tomcat runs from the command line, but will not start as a systemd service

Resolve Tomcat systemd startup failures by configuring environment variables, fixing file ownership, and adjusting SELinux policies.

Read More
How did this usage of chmod break sudo access?

Fixes broken sudo access caused by overly permissive chmod settings on the sudo binary.

Read More
Understanding NTSFSPermissions: Gaining Access to Subfolders

Resolve NTFS access denied errors in subfolders by enabling inheritance and setting the permission scope to apply to this folder, subfolders, and files.

Read More
Troubleshooting: Unable to Adjust Graphics Settings for Better Performance in HITMAN 3

Resolve HITMAN 3 graphics setting errors by fixing file permissions, updating GPU drivers, and configuring Windows Defender exclusions.

Read More
Solved: Ensure Changed Permissions on External HDD Don't Reset on Disconnect/Reconnect

Prevent external hard drive permissions from resetting on reconnect by configuring persistent mount options in fstab or udev rules.

Read More
Making a Move: Fixing Weird File Ownerships After Transferring Hard Drives

Fix permission denied errors caused by mismatched user IDs after transferring hard drives between systems.

Read More
Solved: Permission Denied - 500MB HDD/SSD Window File Deletion

Resolve permission denied errors on detached 500MB drives by taking ownership and updating ACLs to restore file access.

Read More
os.OpenFile threw "permission denied" on a file that has mode 0666

Resolve Go os.OpenFile permission denied errors by verifying file ownership, parent directory execute permissions, ACLs, and SELinux policies.

Read More
Granting Full Control Permissions to a Folder for a Local User without Changing Ownership (Command Line)

Grant full control permissions to a local user on a Windows folder using icacls without changing the directory ownership.

Read More
Force Writing Files in Linux with Superuser Privileges

Resolve permission denied errors when writing to protected files using sudo for CLI and pkexec for GUI applications.

Read More
Setting Read-Only Permissions to Prevent File Modification in Windows 10

Prevent unauthorized file modification in Windows 10 by configuring NTFS permissions to restrict write access for standard users.

Read More
Folder in use, although it isn't

Resolve the "folder in use" error by identifying and terminating hidden processes holding file handles using Resource Monitor or Task Manager.

Read More
Sudo User: Flag Not Using Designated User

Resolve sudo -u flag failures by verifying target user existence and correcting /etc/sudoers permissions.

Read More
Remotely Granting User-Specific Access and Execution Permissions

Grant users remote access to specific folders and single executables on Linux and Windows while enforcing least privilege.

Read More
Troubleshooting Cygwin's Weird Behavior on Security Permissions

Resolve Cygwin permission denied errors by enabling ntsec in fstab and correcting file ownership with chown.

Read More
TCP Connections and VirtualBox VM Processes Excluded from lsof Used Without Root Permissions?

Resolve lsof hiding TCP connections and VirtualBox processes by using pkexec for temporary root access or adjusting sudo group permissions.

Read More
Nginx Returns 403 Forbidden Despite Readable Root Directory

Resolve Nginx 403 Forbidden errors by fixing file ownership, directory permissions, and SELinux contexts.

Read More
Fixing Incorrect File Permissions when Transferring Files with Rsync

Resolve incorrect file permissions after rsync transfers by using the -a flag and configuring the destination umask to 000.

Read More
PHP file_put_contents: Failed to open stream: Permission denied

Resolves PHP file_put_contents permission denied errors by configuring www-data ownership and directory permissions for web server write access.

Read More
VM Ware Shared Folder: New Files Created as Guest Not Visible to Host

Fix VMware shared folders where new files created by the guest are not visible to the host by enabling the allow_other mount option.

Read More
Understanding the Meaning of the First '0' in umask = 0022 in Linux

Explains that the leading zero in umask 0022 preserves special permission bits like setuid and setgid by indicating no modification to those flags.

Read More
Unable to Edit File Permissions for Added Group Users in Secondary Groups (664)

Resolve permission denied errors for group users by correcting umask settings or verifying group membership to ensure write access is granted.

Read More
Preventing Standard User Access to %appdata%\\Local\\Microsoft\\Windows\\iNetCache

Resolve browser crashes caused by denying standard users access to the iNetCache folder by managing cache size and clearing policies instead.

Read More
Understanding User Rights: Creating Files and Folders in Linux Web Apps

Resolve permission denied errors when Linux web apps fail to create files or folders due to missing write and execute permissions on the parent directory.

Read More
Understanding the Last Permission/User in Windows 11: Can I Delete It?

Resolve confusion over unknown users in Windows 11 by distinguishing safe local accounts from critical system services before deletion.

Read More
How to Write Debug Data to a Root Owned File in Bash

Resolve permission denied errors when redirecting output to root-owned files in Bash by using sudo tee instead of direct shell redirection.

Read More
Cannot access specific shared file from specific machine

Resolve specific machine access failures to shared files by verifying share and NTFS permissions, clearing stale credentials, and checking firewall settings.

Read More
Debian Still Complains "user1" Not a Sudoer After Running 'usermod -aG sudo user1'

Resolve sudo permission denial after usermod by logging out and back in or using su - to refresh PAM group cache.

Read More
Can't remove deleted user from file permissions by command

Resolve orphaned NTFS permissions for deleted users by removing specific SIDs using the icacls command.

Read More
How to get access rights to this file?

Resolve Windows 11 Access Denied errors by taking file ownership or modifying security permissions via the Properties dialog.

Read More
Updating Linux Mint 21.3: Handling Unsafe Permissions Warning for .gnupg

Fix unsafe permissions warning for .gnupg in Linux Mint 21.3 by correcting ownership and file modes to secure GnuPG encryption keys.

Read More
Troubleshooting Docker Container Unable to Write to Removable Drive

Fix Docker container write failures on removable drives by resolving UID/GID mismatches and correcting mount options.

Read More
Ubuntu 20.04: Permission Error when Writing to /var/www/html

Fix permission errors when writing to /var/www/html on Ubuntu 20.04 by setting group ownership and setgid bits for the www-data user.

Read More
Understanding Linux Permissions: An In-depth Look at SELinux, OpenSSH, Systemd, Docker, and RPM-based Builds

Resolve Linux permission errors in SELinux, OpenSSH, Systemd, and Docker to secure applications and ensure stable deployments.

Read More
Repeated Unauthorized Changes in Location Section: An Analysis

Resolve repeated unauthorized location changes by enforcing server-side validation, auditing RBAC permissions, and clearing corrupted browser cache.

Read More
Do I need to take ownership to be able to delete/move files?

Clarifies that deleting or moving files in Ubuntu requires write permission on the parent directory, not file ownership.

Read More
Program Bypasses File Security Settings: A Tech Support Guide

Resolve access denied errors by adjusting file ownership, modifying ACLs, or running applications with elevated privileges instead of incorrectly editing the hosts file.

Read More
Proper Setup of Windows 11 User Accounts and Network Name to Avoid Permissions Issues

Resolve Windows 11 access denied errors by aligning user accounts and network names to prevent permission conflicts.

Read More
Can Allowing Permissions to an Application via UAC in Windows Compromise Personal Files or Data?

Explains how UAC protects personal files from compromise when granting applications elevated permissions.

Read More
Windows 10: ATT Router Replaced but 2nd Computer Hacked

Resolve Windows 10 BSoD and blocked security permissions on a compromised PC after router replacement by isolating the network and using Safe Mode to restore system integrity.

Read More
Retaining File Ownership: A Guide for Shared Folders in Windows

Grant full access to another user in Windows shared folders without transferring file ownership.

Read More
Noticed Something Odd with your Mac Group 'wheel' After iTunes Reinstall?

Resolve confusion over wheel group permission changes after iTunes reinstall by verifying system stability and confirming the modifications are benign.

Read More
Setting Emby Server Cache Transcoding Temporary Directory

Configure Emby Server's transcoding cache directory to resolve performance issues and disk space errors by directing temporary files to a fast, dedicated drive with correct permissions.

Read More
How to Prevent Users from Clicking the Windows Start Button in the Taskbar After Login

Disable the Windows Start button via Group Policy or Registry to restrict user access in kiosk environments.

Read More
Fixing File Explorer Permissions in Windows 10 Home Edition

Restore default file and folder permissions in Windows 10 Home Edition to resolve Access Denied errors caused by incorrect Security tab changes.

Read More
Understanding the Confusing Behavior of the 'rm' Command in Corner Cases

Resolve rm permission denied errors by understanding that directory write access, not file permissions, controls deletion.

Read More