Articles about ubuntu | UserComp.com | Page [ 7 ]

Successfully Bring up IPsec VPN Tunnel on Ubuntu 24.04.2 using Gnome Network Settings and StrongSwan Plugin

Resolve IPsec VPN connection failures on Ubuntu 24.04 by configuring the StrongSwan plugin via Gnome Network Settings.

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How to Install the Newest Linux Kernel on Linux Mint

Resolve hardware compatibility issues and access new features by safely installing the latest Linux kernel on Linux Mint using the built-in Update Manager tool.

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Ubuntu 22.04 LTS to 24.04 LTS Update: Fixing PPA Purge Errors

Resolve PPA conflict errors during Ubuntu 22.04 to 24.04 LTS upgrades by using ppa-purge to downgrade and remove incompatible third-party repositories.

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Sharing Permissions for Shared Folders in VirtualBox on Windows 10 and Ubuntu 20

Resolve permission errors for VirtualBox shared folders on Ubuntu by adding users to the vboxsf group or adjusting mount options.

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Sudo Complain: DNS Name Resolution in Ubuntu 22.04

Resolve DNS errors in Ubuntu 22.04 by avoiding direct edits to /etc/resolv.conf and using NetworkManager or Netplan instead.

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Running CMD Recursively on Directories in Ubuntu

Run commands recursively on directories in Ubuntu while excluding root-owned folders using find with -exec and -not -user root filters.

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Apache2 Serving User Files as Symlinks on Ubuntu 24.04

Resolve Apache2 403 errors when serving user files via symlinks on Ubuntu 24.04 by enabling FollowSymLinks and adjusting filesystem permissions for the www-data user.

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Blurry Screen After Installing Display Drivers in Ubuntu on Windows 11

Fix blurry Ubuntu screens on Windows 11 dual-boot by adjusting GNOME display scaling factors and reinstalling proprietary graphics drivers.

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How to Fix Chrome Browsing History Appearing Blank in Ubuntu 22.04

Resolve blank Chrome browsing history on Ubuntu 22.04 by fixing profile permissions or repairing the corrupted SQLite database file.

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Xubuntu Laptop Unexpectedly Shutting Down - Diagnosis

Diagnose Xubuntu laptop unexpected shutdowns by analyzing journal logs for kernel panics and monitoring hardware temperatures to identify thermal or software causes.

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How to Change Default Startup to MacOS in Ubuntu

Resolve the issue of Ubuntu booting by default on Intel Macs by configuring GRUB to automatically start macOS.

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Troubleshooting Strange Timeouts when Connecting to registry.gitlab in CI/CD Pipeline

Resolve timeouts connecting to registry.gitlab in CI/CD pipelines by fixing DNS resolution, correcting proxy settings, and validating authentication tokens on Ubuntu.

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SSD Installation Failed: Deleting Partitions Prevented Ubuntu Installation

Resolve Ubuntu Server installation failure on external SSDs by using wipefs to remove residual partition tables and filesystem signatures that block the installer.

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Windows Won't Boot on M.2 SSD after Installing Ubuntu on Separate SSD

Fix Windows boot failure on M.2 SSD after Ubuntu installation by reordering UEFI boot priority to prioritize Windows Boot Manager over GRUB.

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Unable to Find a Way to Permanently Delete an Ext4 Directory on Ubuntu 24.04

Resolve inability to permanently delete ext4 directories on Ubuntu 24.04 by using sudo rm -rf instead of graphical deletion methods.

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Disk Management: Values of 700GB Files Deleted After Installing Ubuntu on Dell XPS 17 9710

Prevent accidental data loss when installing Ubuntu on Dell XPS 17 by manually configuring partitions instead of using the default full disk wipe option.

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How to Configure a Jump Server to Allow Access to a Local Server Web GUI from a Remote Client Machine

Configure an SSH jump host to securely tunnel local server web GUI access from a remote client through a bastion server.

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Differentiation Between Directories Created Manually and Directories Created by Installed Programs

Distinguish manually created directories from those installed by programs using path conventions and package manager records.

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Ubuntu 23.10: Error Updating Kernel (anbox-ashmem)

Resolve Ubuntu 23.10 kernel update failures caused by incompatible anbox-ashmem modules by removing the conflicting package.

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Prevent Ubuntu (22.04) from Trying to Autoconnect to New Wi-Fi Networks

Disable automatic Wi-Fi connection for specific profiles in Ubuntu 22.04 using nmcli or nmtui to prevent unintended network joins.

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How to Fix UFW Blocking KVM Guest from Getting IP Address and Accessing Network

Resolve KVM guest network isolation by configuring UFW to allow traffic on the bridge interface for DHCP and connectivity.

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Unable to Type Special Characters in Gedit on Ubuntu Windows

Resolve special character input failures in Gedit on Ubuntu WSL by installing IBus, configuring environment variables, and verifying system locale settings.

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How to Recover Ubuntu VMs after Uninstalling WSL2 on Windows 10

Recover Ubuntu VM data after uninstalling WSL2 by locating and mounting the persistent ext4.vhdx file from the user's AppData directory.

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Troubleshooting Garbage Screen Issues in Ubuntu 23.10

Resolve garbage screen artifacts in Ubuntu 23.10 by switching to Xorg or updating graphics drivers.

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Installing Specific Packages without Recommended Ones using apt

Prevent apt from installing recommended dependencies to reduce disk usage and system bloat.

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Upgrading SSH/SSHD: Resolving Issues with Ubuntu 20.04 (1:8.2p1-4ubuntu0.11)

Resolve SSH lockouts and service failures during the Ubuntu 20.04 openssh-server upgrade from version 8.2p1-4ubuntu0.11.

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Unable to Ping Hyper-V Host from Ubuntu VM: A Networking Issue

Resolve inability to ping Hyper-V host from Ubuntu VM by configuring internal virtual switches and allowing ICMPv4 in Windows Firewall.

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Starting a Screen Sessions Upon Reboot and Executing a Script in It

Configure cron to automatically start a named GNU Screen session and execute a script upon system reboot.

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Putty Session Opens Blank Screen: A Solution for Ubuntu VPS Users

Fix blank PuTTY screens on Ubuntu VPS by repairing corrupted shell configuration files and verifying default shell permissions.

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Wifi Adaptor Not Found on Acer Laptop with Ubuntu 22.04

Fixes Wi-Fi adapter not found on Acer laptops running Ubuntu 22.04 by resolving hardware switches, missing firmware, and driver issues.

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How to Reset Windows 10 Subsystem for Ubuntu Password?

Reset forgotten Ubuntu password in Windows Subsystem for Linux by launching the distribution as root via command line to modify user credentials.

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Apache RewriteMap: Absolute Paths No Longer Treated as Such in v2.4.41 Ubuntu

Resolve Apache RewriteMap file not found errors on Ubuntu 2.4.41 by fixing syntax, verifying absolute paths, and correcting file permissions for the www-data user.

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Fixing the 'Unsupported key' Error when Running a Script from Zabbix GUI

Resolve Zabbix Unsupported key errors by fixing script permissions, ownership, shebang lines, and environment variables.

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Installing Pacman for Kubuntu 24.04: A Misconception

Prevents system instability by explaining why Pacman cannot be installed on Kubuntu due to incompatible package formats and dependency structures.

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WSL: No Internet Connection (Ubuntu, Windows 11)

Fix WSL Ubuntu no internet on Windows 11 by resetting the network stack and configuring DNS.

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How to Configure GRUB to Boot an ISO Image from an exFAT Partition

Resolve GRUB boot failures from exFAT partitions by converting the drive to FAT32, which GRUB natively supports for loading ISO images.

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C Memory Allocation: Using Up More Bytes Than Is Available on the Computer?

Resolve C program crashes caused by virtual memory allocation exceeding physical RAM and swap limits.

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WSL: Used 'sudo reboot' in ubuntu; now everything is down incl. wsl

Resolve WSL Ubuntu failure caused by sudo reboot by running wsl --shutdown in Windows to reset the virtual machine state.

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JetsonTX2 Unreachable: Troubleshooting Ethernet Connection Issues

Resolve Jetson TX2 unreachable errors by verifying physical links, configuring matching static IPs on Ubuntu, and testing connectivity with ping.

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Troubleshooting Ubuntu 20.04.6 LTS Machine with Large Storage Usage

Resolve high disk usage on Ubuntu 20.04.6 LTS by cleaning APT caches, managing systemd journal logs, and identifying large directories with ncdu.

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Can't Create or Modify Files/Folders in Ubuntu 20.04 LTS

Resolve permission denied errors in Ubuntu 20.04 by correcting file ownership with chown, adjusting permissions with chmod, and removing immutable attributes.

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Why Does a Folder Get Automatically Created in /home/myuser/ When I Create a Folder in the Root Directory?

Explains why folders appear in the home directory after creation in root due to file manager mounts, symlinks, or scripts.

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Ghost MDADM RAID Array Appearing at Boot: A Tech Support Mystery

Resolve the md127 ghost array appearing at boot by clearing MDADM superblock metadata on underlying disks.

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Optimizing AMD Ryzen 5 7640U Performance on Ubuntu: CPU Clock Speeds

Resolve low CPU clock speeds on AMD Ryzen 5 7640U Ubuntu systems by verifying hardware limits and configuring performance governors.

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Default Network Access to the Docker Host

Resolve conflicts between Docker and UFW firewall rules on Ubuntu to prevent security gaps or broken container connectivity.

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Why is /recovery at 100% and is it ok to remove those files

Resolve 100% disk usage caused by a misconfigured or leftover /recovery directory in Linux.

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SSH Connection Permission Denied on New Ubuntu 22.04 LTS Server

Resolve SSH permission denied errors on Ubuntu 22.04 by fixing file permissions, verifying usernames, and configuring sshd settings.

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Restricting SASL Accounts by IP Addresses in Postfix on Ubuntu 22.04

Restrict SASL authentication to specific IP addresses in Postfix on Ubuntu 22.04 by configuring smtpd_client_restrictions in master.cf and using a hash table for access control.

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VNC-Session and Real Desktop: Application Started in VNC-Session Opens on Real Machine and Not on VNC-Session

Resolve applications opening on the physical monitor instead of the VNC session by configuring distinct display numbers and environment variables.

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Understanding Linux Partition Mountpoints: A Comprehensive Guide

Resolve Linux storage access issues by creating and managing partition mountpoints to make isolated drives readable within the file system.

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