04, execute the following command line first to have the installed Ubuntu binaries and data files up to date. For example,. 5 Previous version VLC 2. 04 Bionic Beaver Operating System and Software Versions. Ubuntu seems to be going it’s own way, with a new graphical user interface (GUI) called Unity. Screensaver Ubuntu offers a selection of screensavers. me/ciHu" dihard Audio: macOS / iOS / tvOS 14042 Mac: Airplay playback stutters Audio: macOS / iOS / tvOS master git defect normal Felix Paul Kühne, David new 2015-03-01T10:50:26+01:00 2017-07-20T18:18:44+02:00 "Using OS X 10. Muhammad Ibrahim. 10 but I installed 10. Unread post by golgoth » Wed Oct 03, gsettings set org. With your new theme you might notice that your icons look out of place, they are hard to identify, for example when you have a dark Unity panel and dark panel icons (or the other way around), or they simply do not fit the style. Install Ubuntu 18. Ubuntu Explore Simple, Easy and Secure. It provides various features and convenience functions. The following image is from LUBUNTU: click on the menu Preference \ Default applications for LXSession. I really like it. 10 Desktop” Juan says: 04/18/2019 at 9:13 PM I already did this and didn’t work. In the first tab that comes up, input the home page that you would like to show up. Use BOINC screensaver - Use the BOINC screensaver for the current user. Disable Screensaver Utilizing complex screen savers wastes resources. ; From this window, you may select the desired screensaver as well as configure additional settings such as: automatically locking your computer when the screensaver is activated and Power Management. moved 'comments' tag to the top of the order list above. Security implications in Machine-Owner Key management. 04's default onboard screen keyboard utility in Ubuntu 18. Here is an example video: https://vid. In Ubuntu you can do this by accessing the System Settings option under the System menu. I don't really worry about the sound issue, I guess that will be resolved when the screen stays on. The solution Xubuntu uses in 14. Open a terminal (Ctrl + Alt + T), and execute sudo mokutil --disable-validation. 04 0 System Monday, July 04, 2011 Ubuntu is pre-configured to start the screensaver after five minutes of system inactivity. It’s not clear why they didn’t fix the issue, but the fact of the matter is that they don’t work with Ubuntu OSes. 04 yang saya gunakan. The Ubuntu MATE team offers a bespoke images for the GPD Pocket, GPD Pocket 2, GPD WIN 2, GPD MicroPC and Topjoy Falcon that include the hardware specific tweaks to get these devices working “out of the box” without any faffing about. Disabling web cam can help you in many ways. In this guide, we will discuss how to add and delete users and assign sudo privileges on an Ubuntu 18. Adopting it seems to have involved a lot of changes for changes sake. 6 it ans with our "busybox developers" extend it's capabilities. Uninstall gnome-screensaver. System > Preferences > Screensaver Disable "Lock screen when screensaver is active ". How to upgrade to Linux Mint 18. Support & Help Requests PowerPC Topics relating to PowerPCs, which were common in Macs pre-2006 before Apple switched to Intel processors. How to Install Oracle JAVA JDK 13 on Ubuntu 18. Raspberry Pi Topics relating to the Raspberry Pi port of Ubuntu MATE. 10 Oneiric Ocelot you can only switch between the default GTK themes by default. Change the Login Screen the Easiest Way: This method requires Ubuntu Tweak to be. All the essential applications, like an office suite, browsers, email and media apps come pre-installed and thousands more games and applications are available in the Ubuntu software centre. Imported using git-ubuntu import. Even if during installation you chose "Login in automatically" Ubuntu will prompt you for a password after starting from suspend (sleep) and hibernate. Keyboard Layout is based on the following parameters XKB parameters, found in /etc. Hi, I have a simple question : how to disable screen lock and/or sreen saver with command line with RHEL5. 0 Ubuntu Beginners 5 Screen shade and sleep How To Change Your Ubuntu Desktop Background And Screen Saver How to disable screen locking in Ubuntu 18. So, to disable it, especially on Ubuntu 17. When I do this, I find that the screen blanks after just about exactly 20 minutes. If you find it annoying that you. We use keys in ssh servers to help increase security. Disable screensaver in Mint 12 - how? Hi there, having switched from Ubuntu 10. Choose from your own favorite Desktop Environments like Ubuntu Gnome , Xfce , Lxde , Openbox Window Manager etc Edition. Slackware 14. If you don't have Bisigi Themes already installed then we have covered it in Give Ubuntu a Fresh New Look with Bisigi Themes. It is the default tool. (A) Buffer Overflow Prevention Make sure "No Execute (NX)" or "Execute Disable (XD)" in the BIOS/UEFI has been enabled. 5 playing internet streams with AirPlay without problems. On your top left of your screen, click the Activities button, then search “privacy” and open it 2. I use it to disable any kind of suspend or screen. Browse other questions tagged linux ubuntu screensaver. Cinnamon 3. Sudo Users. If you want to access their source code you can use the apt-get source command. Workaround is obviously to disable loop before converting. Disable auto-lock screen on inactivity Ubuntu 18. I've read / tried a lot of things with no luck. Other games disable the screen saver just fine. 04 Gnome desktop. I have enabled automatic login in Lubuntu, and have now added a second user, I want to DISABLE the automatic login, or perhaps change the default login. Besides install Deepin Linux 15. 04 collects data about your PC's hardware and software, which packages you have installed, and application crash reports, sending them all to Ubuntu's servers. Disable Temporarily Ubuntu Screensaver And Sleep Power Saving Mode 0 General Sunday, July 31, 2011 Caffeine is an app indicator that allows Ubuntu users to disable temporarily their screensaver and the " Sleep " mode. –disable-screensaver – if you don’t need xscreensaver support, disable this. 04 doesn’t ship with any screen savers, just a black screen that appears when your system is idle. 10 Net-tools 1. In this mode, Ubuntu will just install essential Ubuntu core components and few basic apps that is needed to start using the operating system like a internet browser and text editor. 0 GNU Make 4. You can do that, if I recall correctly, from within the gnome session management applet. Ubuntu Face Authentication / Face Recognition Login You've probably seen/heard about the sophistication technology that accessing computers using face authentication? face is scanned through a video camera and if the face was recognizable in the database then you will be able to access computers or go into the room they will be. Major change that anybody who has ever used Ubuntu, will notice the new Desktop Environment. In actuality, parental controls should not simply be something that is assigned to only one off-shoot version, such as Ubuntu CE. You are so freakin awesome. By default Ubuntu will lock your desktop automatically after screen blank off, below steps will show you how to disable it. gnome-screensaver will not activate if an application grabs keyboard and mouse focus. At first i couldn’t change the time when the. Starting with 14. 10 » Ubuntu Desktop Guide » Tips & tricks » This page provides an overview of keyboard shortcuts that can help you use your desktop and applications more efficiently. Difficulty EASY Conventions. 04 desktop and server versions. How to disable all power management in Ubuntu (for a server. Unlike the Xfce package in Kali Linux, the xfce4-session in Ubuntu seems to automatically launch xfwm4 (Window Manager); hence we don't need the "xfwm4&" command for Ubuntu. But whatever I set in the power manager XFCE puts the monitor to sleep every 10 minutes. How to disable sleep/screensaver Kubuntu 12. Deepin Desktop Environment (DDE) is an open source project by Deepin Technology Ltd. 04 LTS without extra effort. This article details how to setup password login using ED25519 instead of RSA for Ubuntu 18. I want the the "Screen Saver" function but after a few minutes the screen also blanks (fades to black) and I can't find a setting to disable this. 10 Oneiric Ocelot you can only switch between the default GTK themes by default. I'm aware that the setterm command can disable this, but it's a per-session thing. Open the file /boot/grub/menu. I just can't believe that Ubuntu standard and Kubuntu have not taken this opportunity by the horns and followed suit. AMD RX 480/570/580 Mining on Ubuntu Server 18. Packages that make use of DKMS should prompt you to create a new Machine-Owner key (it will be done for you), and will guide you through the steps to enroll that key in your system's firmware. Result: After I spent a total of 6 hours, I was not able to install 10. 04 Alongside With Windows 10 or 8 in Dual-Boot. I'd like to disable screen saver while my appliction is running. Hi, Ubuntu 18. 04 インストール準備 その1 - Ubuntu. Ubuntu introduced netplan utlity to configure network on ubuntu 18. On your top left of your screen, click the Activities button, then search "privacy" and open it 2. 28, better boot speed, new "minimal installation" option, new default applications, Linux Kernel 4. Prerequisite Ubuntu 18. To report errors in this documentation, file a bug. #xset s on screen saver가 설정되게 되며 timeout은 기본 600초로 설정. When watching movies or online flash videos and the screensaver is activated, it darkens your display. #xset s activate screen saver를 바로 동작 시킴. , Wuhan, China. Or do you have a fondness (maybe a burn-in desire?) for a time when screensavers had other uses? If so, this post describes how I installed XScreenSaver (and optional-but-essential add-ons like the CompanionCube screensaver) on Ubuntu 16. When no actions have been made for like 10 or 15 minutes or so the screen locks and Spotify/youtube/anything is paused. Can anyone help me to deactivate the screensaver on Ubuntu server 10. I need to disable everything related to having the netbook-server go into sleep/hibernate/shutdown. If you want to turn off screensaver and power management for e. 10 Quantal Quetzal, Ubuntu 12. I just can't believe that Ubuntu standard and Kubuntu have not taken this opportunity by the horns and followed suit. Living on the bleeding edge with Ubuntu has been surprisingly easy. 3, the Software Manager has also been able to install software from Flatpak remotes, and is configured with Flathub by default. Win32 , possibly Mac and Linux too With ""Copy Information"" all tags within the audio or some video files will be copied, however, there should be user options to enable/disable which exact tags get copied to the clipboard and also in which list order e. 5 Previous version VLC 2. Brief: This simple quick tip shows how to remove trash icon from the desktop in Ubuntu 18. 04 64 Bit and love it for the most part. 标签: bug, screensaver, ubuntu HOWTO: Installing And Working With eyeOS Under Linux (Ubuntu/Debian) Great HOWTO explaining how to install the eyeOS 1. How to run graphical Linux applications on Windows 10 using the Windows Subsystem for Linux (WSL) New to Windows 10 Pro and Ubuntu 18. Kodi is a free and open source media player application developed by the XBMC Foundation, a non-profit technology consortium. 0-1) Ubuntu 18. Step 2: Click on 'Insert Guest Additions CD Image. Hardware Topics may include driver related issues, compatibility reports, and diagnosing issues with specific hardware features. In Ubuntu Linux, the root user account is disabled by default for security reasons. Whether you're looking for a bright blue theme or a nice dark theme, here's how to customize your desktop. Posted on 2017-04-23. It requires dbus (>= 0. On your top left of your screen, click the Activities button, then search "privacy" and open it 2. There are many things a person can do with the Internet. Change the Login Screen the Easiest Way: This method requires Ubuntu Tweak to be. Open the file /boot/grub/menu. lst with the following command: sudo nano /boot/grub/menu. This tutorial shows you how to install XScreenSaver on Ubuntu 16. Almost all these techniques have been incorporated into the latest official Parallella Ubuntu image now. Ubuntu locks after a few minutes of inactivity, and I am unable to unlock it. 04 Lucid Lynx. 15 of the kernel, the latest stable release instead of 4. About three years ago I tried to upgrade it to Mint 17. session idle-delay (0 to disable) To disable the screen lock:. HOWTO: Disable Suspend and Hibernate – Ubuntu 09May10 For some people, such as myself, the suspend/hibernate features in Ubuntu cause trouble, in my case, a lockup, or just general misbehaviour of the system. Information about changes in this version can be found at the Launchpad project page. When watching movies or online flash videos and the screensaver is activated, it darkens your display. Change the Login Screen the Easiest Way: This method requires Ubuntu Tweak to be. It is automatically activated when your computer becomes idled for roughly 5 minutes. Here we'll show you how to configure your power and screensaver settings so that your monitor should now only dim or turn off when you shut down your system. Readers often ask what our essential Ubuntu apps are so, rather than reply in the comments, I figured I’d write a list of what are, for us, must-have apps for Ubuntu. Watch Queue Queue. 04 Raring/12. Since this is a display which is on all day, the screensaver and monitor blanking (and other Energy Star features) are all turned off. Unity is much faster, responsive and a lot of things is better in 13. So, you can install Ubuntu 18. 04 LTS and Ubuntu 16. 04 will use the version 4. The lock screen feature is a great part of Ubuntu to even prevent unwanted access to your computer while you're away. The following article will describe various ways how to restart network from command line as well as from Graphical User Interface (GUI) on Ubuntu 18. 6 and has maintained it for a few releases now. 04 LTS Bionic Beaver. when your screen goes blank after a few minutes). Posted on 2017-04-23. Here is an example video: https://vid. 04 is: To disable the screen blackout: gsettings set org. Living on the bleeding edge with Ubuntu has been surprisingly easy. I can't find the setting to stop screen blanking. Sadly, with the last couple of releases, that has been changing. Ciao a tutti, da 2 giorni stò provando hardy sul mio toshiba a100-170 con una scheda video ati x1400 :-( , la configurazione è stata semplice ma ora ho un problemino, quando compiz è abilitato lo screensaver va a scatti. Desktop layouts. 04 Gnome desktop. Enabling/disabling the lock screen. Open the appearance settings, and scroll down to find “Icon. This extension helps you to move the dash out of the overview and placing it as a dock similar like a OS X. 04 lock screen disabled… If you step away from your Ubuntu desktop for a short while it will automatically lock the screen to prevent others from accessing your files or programs. in Kernel SRU Workflow, Ubuntu, reported 18 minutes ago Bug #1850895: package mysql-hostname-8. My aim was to have a faster system. Watch Queue Queue. me/ciHu" dihard Audio: macOS / iOS / tvOS 14042 Mac: Airplay playback stutters Audio: macOS / iOS / tvOS master git defect normal Felix Paul Kühne, David new 2015-03-01T10:50:26+01:00 2017-07-20T18:18:44+02:00 "Using OS X 10. Sudoers file, enable NOPASSWD for user, all commands. Really Slick Screensavers - hypnotic 3D eye candy lattice screensaver ubuntu Create Shortcut Icon to Disable / Enable the Screensaver - How-To Geek Create Shortcut Icon to Disable / Enable the Screensaver - How-To Geek Mike's Technology and Finance Blog: Stress Testing a Video Card Mahalo. 0 Ubuntu Beginners 5 Screen shade and sleep How To Change Your Ubuntu Desktop Background And Screen Saver How to disable screen locking in Ubuntu 18. 04 LTS and X is configured with dpms and screen saver disabled so : if I disable it the monitor. Win32 , possibly Mac and Linux too With ""Copy Information"" all tags within the audio or some video files will be copied, however, there should be user options to enable/disable which exact tags get copied to the clipboard and also in which list order e. 关闭ubuntu中的防火墙的其. Turn Off Screen Saver in Ubuntu OK, so CRT s are, like, so 20th Century. Sure, you still get the "log in" prompt, but you also get some other useful stuff too. 93), python-dbus, and obviously gnome-screensaver and gnome-powermanager (on gnome 2. 3 on Ubuntu 16. Now your Guest account login option will vanish. In this guide, we will discuss how to add and delete users and assign sudo privileges on an Ubuntu 18. Cinnamon 3. Change the Login Screen the Easiest Way: This method requires Ubuntu Tweak to be. Canonical Invites Ubuntu Linux Users to Test Video Playback in Ubuntu 18. The default screensaver is typically configurable, and you can change settings like inactivity period or screen lock delay. In this mode, Ubuntu will just install essential Ubuntu core components and few basic apps that is needed to start using the operating system like a internet browser and text editor. Bahkan saya tidak dapat mengetik password pada lock-screen yang muncul. Can anyone help me to deactivate the screensaver on Ubuntu server 10. 10 » Ubuntu Desktop Guide » Tips & tricks » This page provides an overview of keyboard shortcuts that can help you use your desktop and applications more efficiently. Regardless of whether you're new to Ubuntu or a recent convert from Microsoft Windows, you will find lots of useful software in. 6 (17G65) Report Version: 12 Bridge OS Version: 3. However, dual booting, partitioning and configuring multiple operating systems can be difficult. 04 LTS Bionic Beaver. I also changed my windowmanager from Gnome 3 to XFCE. Org Foundation Open Source Public Implementation of X11) is the X server in the official reference implementation of the X Window System. 0 Web Operating System into a Linux system (It's for Debian, I tested it under Ubuntu). If you'd rather have screensavers, you can swap gnome-screensaver for XScreenSaver. 2 - Updating LXDE-pi/autostart. Ubuntu releases are made semiannually by Canonical Ltd, the developers of the Ubuntu operating system, using the year and month of the release as a version number. The new stable LTS version of Ubuntu, Ubuntu 18. Access the App Store for Linux from your desktop. The link for more options. By default, Ubuntu goes to a black screen after a period of inactivity. It requires dbus (>= 0. Use your text editor to edit the 20-intel. About three years ago I tried to upgrade it to Mint 17. On a new Ubuntu installation the screensaver is set by default to display after 5 minutes of inactivity. 3 Ways To Fix Ubuntu Gets Stuck in Login Screen Loop Install / Update Gimp 2. This has several benefits, the main one being that installing Ubuntu is far quicker without also installing the extra software. If you don’t have Bisigi Themes already installed then we have covered it in Give Ubuntu a Fresh New Look with Bisigi Themes. I can't find the setting to stop screen blanking. 04 when it was still in beta and kept updating it. If you left them running showing the same image for days on end, like the log on screen in a computer lab, you would eventually find that image burnt onto the screen itself. , xscreensaver), which then can be used to lock the screen for security purposes. 04 Bionic Beaver Operating System and Software Versions. This program is for managing a Linux. 28, better boot speed, new "minimal installation" option, new default applications, Linux Kernel 4. when your screen goes blank after a few minutes). Debian 7 is what Ubuntu version 11. Choose this if you have a computer based on the AMD64 or EM64T architecture (e. Disabling the screensaver on Ubuntu 14. Posted on 2017-04-23. Disable IPv6 Ubuntu 18. On the privacy pane, select Screen Lock Clicking the Screen Lock will display the option to disable. 04 / Windows 10 laptop, which I don't do very often, and Windows installed a heap of updates. Many people want to dual boot Windows 10, especially the latest version with alternative operating systems such as Ubuntu. If it gives you a warning in regards to the XScreenSaver daemon doesn't seem to running right now, hit "Cancel". #xset s 60 screen saver 작동하는 시간 설정. screensaver lock-enabled false. On a new Ubuntu installation the screensaver is set by default to display after 5 minutes of inactivity. [1] Responsible: VLC [18743] User ID: 2095490022 Date/Time: 2018-09-21 10:10:18. 04 - Disable screen-locking and turning off screen - Install xscreensaver using terminal - Add xscreensaver to gnome session - Restart. Ubuntu MATE 19. Therefore, console security should be addressed merely as one component of your overall physical security strategy. From my own research this appears to be possible through xorg. On the right part,click the “screen lock”, then you can disable the automatic screen lock. In the first tab that comes up, input the home page that you would like to show up. Firstly, you obviously. This tutorial shows you how to install XScreenSaver on Ubuntu 16. 10 » Ubuntu Desktop Guide » Settings » Power & battery › Power saving settings » To save power, you can adjust the time before the screen blanks when left idle. setterm -blank 0 didn't work for me. Linux Mint is free of charge (thanks to your donations and adverts on the website) and we hope you'll enjoy it. This is still not fixed, but I’m very happy with the 3. I am attempting to disable screensaver, screen blank and screen lock via the command line. Ubuntu-it è la comunità italiana di Ubuntu. Enable Screensaver・Disable Screensaver 省電力モードを有効無効にします。 Ubuntu 18. For example,. La comunità italiana. How to disable all power management in Ubuntu (for a server. A help and support forum for Ubuntu Matrix Screensaver on Ubuntu Linux Works just fine for me on XUbuntu 18. Software Packages in "bionic", Subsection x11 4pane (5. After my several post about Lock Screen on Linux (Ubuntu) from Command Line, Lock Screen on Linux (Ubuntu) from First Boot, and Run or Execute Multiple Command on SSH, now I will continue with Remote Lock Screen and Remote Unlock Screen on Linux (Ubuntu). Both graphical and command line methods have been discussed. 关闭ubuntu的防火墙 ufw disable 2开启防火墙 ufw enable 3. Since this is a display which is on all day, the screensaver and monitor blanking (and other Energy Star features) are all turned off. This article provides you with the following two ways to enable/disable automatic login to your Ubuntu system: Through the command line. 04 LTS aka Bionic Beaver was released on April 26 th, 2018 with a lot of changes on front end as well as on backend. From my own research this appears to be possible through xorg. Read the Forum Posting Guide before opening a topic. Click through it and you can choose whether or not to submit data about your PC to Ubuntu on the “Help improve Ubuntu” screen. OpenVPN is a full-featured, open-source Secure Socket Layer (SSL) VPN solution that accommodates a wide range of configurations. I'd like to disable screen saver while my appliction is running. 04 LTS Bionic Beaver. 04 installation, you can check out this guide where the installation is done on VirtualBox. Therefore this wiki cannot be guaranteed to work on any later version of Ubuntu- it may work, but proceed at your own risk!. 04 0 System Monday, July 04, 2011 Ubuntu is pre-configured to start the screensaver after five minutes of system inactivity. Almost all these techniques have been incorporated into the latest official Parallella Ubuntu image now. 10, Linux Mint 12 and Linux Mint 13. 04 How to Install RTL8723DE Wifi Driver in Ubuntu 19. You may want to disable the Xscreensaver system altogether from your XFCE desktop environment if you hate screensavers, and don't want to see weird shapes and videos playing when your computer goes into idle mode. I wish Ubuntu must have updated Now I have the darn black screen. If you find it annoying that you. Vote 2 from anonymous on How to Disable IPv6 on Ubuntu 16. #xset s activate screen saver를 바로 동작 시킴. Method 2 - Disable Secure Boot in shim-signed. I started tweaking the system so that i could achieve longer battery life,and i wanted to post my experiences ,thus this post. Here are the essential things to do after installing Ubuntu 17. For example,. (A) Buffer Overflow Prevention Make sure "No Execute (NX)" or "Execute Disable (XD)" in the BIOS/UEFI has been enabled. 0 Hi: I have three times disabled the screen saver, entering Applications Menu>Settings>Screensaver. Desktop layouts. It is the default tool. Read the Forum Posting Guide before opening a topic. Cinnamon 3. 04 Lucid Lynx. Please refer to the Ubuntu Code of Conduct. 10 release to update Ubuntu and take advantage of the latest features. , xscreensaver), which then can be used to lock the screen for security purposes. “blkid”, especially on a dual-boot or system with multiple OSes is just going to display a lot of confusing and unhelpful entries. I have tried setting:. Last Updated on May 5, 2011. Through the graphical interface. Really Slick Screensavers - hypnotic 3D eye candy lattice screensaver ubuntu Create Shortcut Icon to Disable / Enable the Screensaver - How-To Geek Create Shortcut Icon to Disable / Enable the Screensaver - How-To Geek Mike's Technology and Finance Blog: Stress Testing a Video Card Mahalo. Hot Corners and HUD. The lock screen notifications are turned off by default in GNOME Shell 3. Linux Mint is free of charge (thanks to your donations and adverts on the website) and we hope you'll enjoy it. Bahkan saya tidak dapat mengetik password pada lock-screen yang muncul. Note - you should still avoid EFI Boot full encypted drives since this long running issue across all Ubuntu variants is still broken. This Ubuntu release is much better than last release. Result: After I spent a total of 6 hours, I was not able to install 10. In Ubuntu Linux, the root user account is disabled by default for security reasons. In addition to testing the package itself other packages are also tested together with the updated package, to make sure the update doesn’t break the other packages either. Get some new icons. xset s off. Some cons: 1) typing bash in cmd doesn't get me into here, but a super old version of ubuntu (14. 6 and has maintained it for a few releases now. Is there a way to split the displays into two environments, that I can have the HDMI used exclusively by another user that will be logged in simultaneously with no screen lock? Or failing that, can I disable the screensaver and lock on a second display while still allowing the primary display to lock? Thanks in advance. 10 but I installed 10. At some point in time libssl-dev and npm have started to conflict in my Ubuntu 18 instance. Please note that we are running this tutorial on an Ubuntu 18. 04, Ubuntu 12. Seemed very fine to me until I restarted and tried to start my faithful Ubuntu - and to my dismay got stranded in a primitive text-only screen with a few lines of text that ended in:. Maybe you hate command line ,but that what Ubuntu is , you. but it is recommended to disable the screensaver before upgrading. Gnome Menu Gno-Menu extension adds a traditional Menu button for a fast and organized navigation between your installed applications. 04 Install Postman App Easily via Snap in Ubuntu 18. Open the file /boot/grub/menu. On 29/05/12 15:55, [hidden email] wrote: > I installed Kubuntu 12. Hi all, like the title says, if you don't like screen blanks; you can disable screensaver etc by doing the following: Open Control Center > Personal > Startup Applications > Add and give it a name and then add the command (copy and paste) to the command line, then save it and restart your PC at your leisure or straight away if you want to test it. In actuality, parental controls should not simply be something that is assigned to only one off-shoot version, such as Ubuntu CE. Today, let's tinker with the lock screen on the latest version of Ubuntu - Ubuntu 18. Unlike the Xfce package in Kali Linux, the xfce4-session in Ubuntu seems to automatically launch xfwm4 (Window Manager); hence we don't need the "xfwm4&" command for Ubuntu.