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

Keeping Windows Visible while Switching Workspaces in Ubuntu 24.04 LTS (X11)

Resolve disappearing windows when switching workspaces in Ubuntu 24.04 X11 by enabling Workspaces only on screen.

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Windows 10: Creating a Samba Server on Ubuntu and Accessing It from File Explorer

Resolve Windows 10 File Explorer access issues to Ubuntu Samba shares by configuring smb.conf, creating Samba users, and allowing firewall traffic.

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Dual Boot with Ubuntu: A Step-by-Step Guide for Windows 10 Users

Resolve Windows 10 dual boot installation by guiding users through creating Ubuntu USB media, partitioning drives, and configuring the bootloader safely.

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Reset Password of an Unlocked LUKS Encrypted Drive

Resolves the issue of resetting a LUKS passphrase on an unlocked drive by using cryptsetup luksChangeKey on the block device instead of the mapper path.

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Ubuntu Server on AWS EC2 loses connection after turning on VPN client

Resolve SSH disconnection on Ubuntu EC2 by configuring split tunneling or static routes to prevent VPN clients from hijacking the default gateway.

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PHP File Execution Not Working on Freshly Installed Ubuntu Unity (23.10), Prints File Contents Instead

Resolve PHP files printing as text in Ubuntu by explicitly running them with the php command or starting a local server.

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Importing Previously Exported WSL Distro: Installing Ubuntu on Windows 11

Resolve WSL import failures by ensuring WSL2 is enabled, using a local NTFS path for the destination folder, and running the wsl --import command with administrative privileges.

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Sudo Interrupted: Manually Running sudo dpkg --configure after apt-get upgrade

Resolve interrupted apt-get upgrades by running sudo dpkg --configure -a to complete pending package configurations.

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Jerky Scrolling in Ubuntu: A Love-Hate Relationship with Linux and Windows

Resolve jerky scrolling in Ubuntu by adjusting xinput pointer acceleration and display server settings.

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Understanding the sysctl fs.quota.syncs Parameter in Linux and Ubuntu Kernel

Resolve confusion regarding the non-existent sysctl fs.quota.syncs parameter by clarifying that Linux uses standard VFS writeback and journaling for quota synchronization.

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How to Configure Linux Guest with Dynamic Space in VirtualBox

Resolve disk space exhaustion in Linux VirtualBox guests by extending the VDI file and resizing partitions.

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Unable to Install WSL/Hyper-V on New Machine: Troubleshooting Ubuntu Installation

Resolve WSL and Hyper-V installation failures on new machines by verifying BIOS virtualization, enabling Windows features, and updating the kernel.

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Unable to SSH into Ubuntu Server: Log in Locally First

Resolve Ubuntu SSH connection failures by logging in locally to install the OpenSSH server, start the service, and configure firewall rules.

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Upgrading Ubuntu: Checking Installed Kernels in the Boot Partition

Verify Ubuntu upgrade success by comparing active kernel version with installed packages and boot partition files.

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WSL and VM: Unable to Connect WSL2 Ubuntu to VMware VM

Resolve WSL2 Ubuntu connectivity issues with VMware VMs by aligning network modes and disabling Windows Firewall blocks.

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User Chrome CSS Changes in Firefox: Removing Unused Menu Items in Ubuntu

Resolve cluttered Firefox menus on Ubuntu by editing userChrome.css to hide unused items.

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How to Log Keypresses in Windows and Ubuntu to Diagnose Communication Error

Diagnose keyboard communication errors by logging keypresses using Windows OSK and PowerShell or Ubuntu xev and evtest.

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Dealing with Unmet Dependencies Error in Ubuntu

Resolve unmet dependencies errors in Ubuntu by updating package lists and using apt fix-broken install to repair broken installations.

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Monitoring Headless Ubuntu 24.04 Server with Installed Xubuntu-core

Resolve headless Ubuntu 24.04 server monitoring by installing lightweight Netdata for real-time resource visibility without GUI dependencies.

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Fixing oh-my-posh Error Block in Ubuntu 22.04 LTS Terminal

Fix oh-my-Posh error blocks in Ubuntu 22.04 by verifying the binary path, configuring shell integration, and installing Nerd Fonts.

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Editing names.txt File on Ubuntu VPS with Browser

Edit names.txt on Ubuntu VPS via browser using code-server and secure tunneling.

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Error launching chrome on Ubuntu WSL: Failed to connect to the bus, Missing X server or DISPLAY

Resolve the Failed to connect to the bus and Missing X server or DISPLAY error when launching Chrome on Ubuntu WSL by configuring an X server and dynamic display settings.

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How to Update Ubuntu 20.04.6 LTS Using Command Prompt

Resolve security vulnerabilities and apply bug fixes on Ubuntu 20.04.6 LTS using command line tools like apt update and apt upgrade.

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Getting Path Name of Driver Used for Network Printer LPR-UPS on Linux Ubuntu 22.04 Server

Locate the PPD file path and DeviceURI for an LPR-UPS network printer by inspecting the printers.conf configuration file on Ubuntu 22.04.

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Find Source Bandwidth Cap for Ubuntu 22.04 LTS Workstations

Identify active source bandwidth caps on Ubuntu 22.04 by inspecting kernel traffic control policies using tc qdisc and class show commands.

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Troubleshooting: Synology NAS Hard Drive Not Mounting in Ubuntu

Resolve Synology NAS hard drive mounting failures in Ubuntu by fixing network connectivity, installing cifs-utils, and configuring fstab credentials.

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Dual Booting Ubuntu 22.04 and Windows 11: Partition Specific Drive

Resolve BIOS conflicts and Secure Boot issues when dual booting Ubuntu 22.04 and Windows 11 on separate physical drives by configuring a shared EFI partition or correct GRUB chainloading.

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How to Open File Dialogue Window in SSH for Windows, PowerShell, and Ubuntu 20.04

Resolve the inability to open native file dialogs in SSH sessions by using SCP, SFTP, or dedicated GUI clients like WinSCP.

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Troubleshooting Storage Space Error When Copying Files in File Explorer with WSL on Ubuntu Server 24.04

Resolve storage space errors when copying files from an 8TB EXT4 NAS drive via WSL on Ubuntu Server 24.04 by addressing Windows File Explorer compatibility issues with Linux filesystems.

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WSL2 Ubuntu 20.04.6 LTS not working: WslRegisterDistribution failed with error: 0x80070490

Fix WSL2 Ubuntu 20.04 WslRegisterDistribution error 0x80070490 by reinstalling the distribution and clearing cached virtual hard disk files.

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Solving the Image Display Issue in Linux Ubuntu 24.04 LTS: A Tech Support Guide

Resolve missing image viewer in Ubuntu 24.04 LTS by installing eog and setting it as the default application for image files.

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How to Test for ext4 Partition? Not ext4 Filesystem

Verify if a Linux partition is formatted as ext4 using lsblk -f or blkid to distinguish between the partition container and its filesystem type.

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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.

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Understanding NFS4 Client Calls: Different Number of Calls for the same command

Explains why NFSv4 clients generate varying RPC call counts for identical commands due to stateful sessions, caching, and delegations.

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Troubleshooting: Jupyter Lab on Ubuntu Does Not Start Browser

Resolve Jupyter Lab browser launch failure on Ubuntu by installing a web browser and configuring the ServerApp.browser setting.

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Error Installing Ubuntu on Windows Server (Status: 0xc0000225)

Resolve Windows Server Ubuntu installation error 0xc0000225 by fixing Hyper-V boot order and ISO attachment.

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Ubuntu 20.04 on WSL2 with Windows 11: Heap Errors Preventing Reboot

Resolve heap exhaustion errors in Ubuntu 20.04 on WSL2 with Windows 11 that freeze the system and prevent normal reboot by configuring memory limits or forcing process termination.

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Troubleshooting WSL_E_DEFAULT_DISTRO_NOT_FOUND Error on Windows Subsystem for Linux

Resolve WSL_E_DEFAULT_DISTRO_NOT_FOUND by reinstalling a missing Linux distribution and setting it as the default using wsl --set-default.

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VMWare Workstation Pro: Resolving Static IP Assignment Issue with Two VMs (Kali Ubuntu)

Fix static IP assignment failures for Kali and Ubuntu VMs in VMware Workstation by configuring NAT mode and disabling DHCP.

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Troubleshooting Docker on Ubuntu under WSL2 with Docker Desktop

Fix Docker pull failures on Ubuntu under WSL2 by configuring proxy environment variables, updating daemon.json, and installing corporate CA certificates.

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How to Fix {"dd"} Command Error when Creating a Bootable Ubuntu Installation Drive

Resolve dd command errors when creating bootable Ubuntu drives by fixing permission denied, device busy, and incorrect target device issues.

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Exim4 E-mails Not Going Out: Troubleshooting Guide

Resolve Exim4 email delivery failures on Ubuntu by diagnosing service status, DNS issues, and configuration errors.

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Passwd Recovery Help: Dual Boot Hard Drive

Reset a forgotten Windows password on a dual boot system by mounting the NTFS partition in Ubuntu and using chntpw to clear or change the SAM database credentials.

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Keep Your SSH Connection Alive with Auto-SSH and Screen on Ubuntu Server

Resolve dropped SSH connections and lost background processes on Ubuntu by using Auto-SSH for automatic reconnection and Screen for session persistence.

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Routing Traffic Coming to OpenVPN Access Server to the VPN Not Working

Fix OpenVPN Access Server routing failures on Ubuntu by enabling IP forwarding, configuring split tunneling, and correcting firewall rules to resolve asymmetric routing and packet drops.

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Installing Linux Ubuntu on Blackview Tab 11: A Step-by-Step Guide

Resolves the inability to run Ubuntu on Blackview Tab 11 by explaining virtualization via UserLAnd and risky native installation methods.

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DNS Resolution Issue with Free Hotspot via Mobile Router: 'No address associated with hostname'

Resolve Ubuntu DNS resolution failures on GL.iNet hotspots by verifying DHCP settings and flushing the systemd-resolved cache.

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Handling Email Delivery with Dynamic IP Addresses on Ubuntu Server using Postfix

Configure Postfix on Ubuntu to relay email through a smart host, bypassing dynamic IP blocks and ensuring reliable delivery.

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Extending an Unallocated Space Behind an Existing Partition in Ubuntu: A Solution

Resolve inability to extend a partition into unallocated space separated by another partition in Ubuntu using GParted.

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How to Route Mail through a WireGuard Tunnel for Self-Hosted Domains

Resolve Postfix mail delivery loops by routing outbound SMTP through a WireGuard tunnel to a remote pfSense gateway instead of localhost.

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