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[[File:ubuntulogo150x173x256.png]][[File:ubuntulogo150x173x256.png|50px]]== Secure Shell Support for Remote Login ===== Secure Shell Support for Remote Login ===== Add new user to system ==Note: Added 10/17/2016 old cyphers no longer configured, may cause connection problems with legacy ssh clients such as SecureCRT. ref: https://blog.hqcodeshop.fi/archives/245-SSH-connection-fails.html === Add new user to system ===== Mount some shares from a Windows machine or SMB NAS ===== Mount some shares from a Windows machine or SMB NAS === Development of seamless [[windows network share integration for linux]] in some respects has been, over the many years, very disappointing. There are basically a couple well known approaches. First, use the "Browse Network" from nautilus file manager for temporary access after providing your username and password for the windows share, or secondly, hard coding your username and password along with the network path in /etc/fstab for a persistent share available on boot. == Numlock On by Default ==For more information see: [[Windows network share integration for linux]] - discussion of methods available. Includes an fstab example providing full read/write access to network share.== Double Click to Launch ==Error: mount: wrong fs type, bad option, bad superblock on *You need to install cifs-utils sudo apt-get install cifs-utilsError: mount error: could not resolve address for xxxxx: Unknown error*You need to add an entry for the server host in /etc/hosts sudo vi /etc/hosts 192.168.X.X xxxxx xxxxx.domain.com Error: mount error(13) permission denied#Check to make sure you are using the correct username password combination#Check the uid to ensure it matches with the username === Numlock On by Default === === Double Click to Launch === === Restore the Classic Menu that's missing from Unity === '''How to Install and Launch the Classic Gnome Menu in Ubuntu 14.04'''== Restore the Classic Menu that's missing from Unity ==As root or using sudo do the following:{{:Install_and_Launch_the_Classic_Gnome_Menu_in_Ubuntu_14.04}} apt-add-repository ppa:diesch/testing apt-get update=== Fast Light File Manager Nautilus Replacement === apt-get install classicmenu-indicatorPCMan File Manager (PCManFM) is meant to be a replacement for Nautilus, Konqueror and Thunar. PCManFM is the standard file manager in LXDE. After installing it, go and launch the application from Unity Dash. It’s called Classic Menu Indicator. When you launch it, it will automatically dock at the top panel over towards the right side. It should be just left of the speaker or clock. It will look like three horizontal bars. apt-get install pcmanfm === Wimamp like audio player lightweight fast ===We used to install xmms, however, it has been removed from the respositories since the Gutsy Gibbon release. Another alternative which is easy to install and has been included in newer releases of Ubuntu is qmmp apt install qmmp Run as sudo or root. Some versions may require adding repository. See: [[Multimedia_Audio_and_Video_in_Linux#qmmp|qmmp]] under the Multimedia Audio and Video in Linux entry.* note: I had problems getting qmmp to play ogg files without adding a 3rd pty repository to update to the latest version along with addons.== IP Network Configuration (GUI - Network Manager) ===== IP Network Configuration (GUI - Network Manager) ===== IP Network Configuration (Console) ===== IP Network Configuration (Console) ===== install configure vncserver ===== install configure vncserver ===== Enable Other Package Repositories ==To connect to remote machines you will need to install xtightvncviewer. sudo apt install xtightvncviewerhowever, it does not support scaling on linux. A more sophisticated viewer is "[[vinagre]]". sudo apt install vinagreIt used to be the default viewer in older versions of Ubuntu. It has been replaced by a worthless piece of junk called Remmina. For vnc the [[vinagre]] viewer is great and supports screen scaling. note: The program vinagre is displayed as "Remote Desktop Viewer" in the desktop environment. After you install vinagre look for Remote Desktop Viewer in the menu. === Enable Other Package Repositories ===== Install or Update the Flash Plugin Package ===== Install or Update the Flash Plugin Package === === Persistent Path Environment Variable === *Bash as login shell will load /etc/profile, ~/.bash_profile, ~/.bash_login, ~/.profile in the order*Bash as non-login interactive shell will load ~/.bashrc*Bash as non-login non-interactive shell will load the configuration specified in environment variable $BASH_ENV The Ubuntu desktop session is no longer affected by .profile. Additionally bash doesn't parse .profile if either .bash_profile or .bash_login exists. A path set in .bash_profile will only be set in a bash login shell (bash -l). If you put your path in .profile it will be available to your complete desktop session. To add a directory to your, or a specific user's $PATH, edit ~/.profile vi ~/.profileTo make the change persist PATH="$HOME/bin:$PATH"and change it to: PATH="$HOME/bin:$PATH:/foo"to make the change immediate for your session export PATH=$PATH:/foo * /etc/environment - This file is specifically meant for system-wide environment variable settings.* /etc/.profile - This file gets executed whenever a bash login shell is entered To set a persistent path for all users on the system, edit the /etc/environment file. === blacklisting a kernel module at boot === ''There maybe a time when you need to disable some modules from being loaded during your system's boot time. In this "how to" we will discus some of the few ways how to blacklist module including its dependencies, that is, disable permanently module from loading during the boot time.'' Source: [http://linuxconfig.org/how-to-blacklist-a-module-on-ubuntu-debian-linux How to blacklist a module on Ubuntu/Debian Linux] In a quick example, if you wish to disable the sound generated by the PC speaker, do the following: vi /etc/modprobe.dThen add the following: blacklist snd_pcspNow the module snd_pcsp will not be loaded when you reboot. No more sound from the PC speaker. beep will be silent. To enable the module once again you can simply remark it by placing a # in front and reboot. === changing your default console editor === Ubuntu default text editor seems to be "nano" which is a pico style text editor. It is for DOS people (because it is like the old MSDOS6 DOS EDIT.) DOS SUCKS. Type: sudo update-alternatives --config editorYou will get a text like below. There are 4 choices for the alternative editor (providing /usr/bin/editor). Selection Path Priority Status ------------------------------------------------------------ * 0 /bin/nano 40 auto mode 1 /bin/ed -100 manual mode 2 /bin/nano 40 manual mode 3 /usr/bin/vim.basic 30 manual mode 4 /usr/bin/vim.tiny 10 manual mode Press enter to keep the current choice[*], or type selection number: 3 run the following: export EDITOR=vimTo make it permanent, add this line to ~/.profile export EDITOR=vim === Unity Tweak Tool ===Unity Tweak Tool offers 20 different customization options under 4 categories. Installation: sudo apt-get install unity-tweak-tool gnome-tweak-toolOnce you have installed Unity tool, type “Unity” (without quotes) in Dash and click on the Unity Tweak Tools icon. === Disable Screen Lock ===There is two steps involved into completely disabling the lock screen in Unity. *Go to Brightness & Lock panel from the Unity Launcher. And set Turn screen off when inactive: to Never*Install "Unity Tweak Tool" with sudo apt-get install unity-tweak-tool. Run it from the Launcher and select System > Security > Enhance system security by disabling Desktop lock ===turn off screensaver and power-management===Use the "screen" or "brightness and lock" application. Click on the Unity Search and type "Brightness & Lock" In the "Brightness & Lock" interface disable "Dim screen to save power" and set "Turn screen off when inactive for: Never" You might find that the above solution is necessary, but not sufficient. The screen might still be blanking after 10 minutes. This is a default setting compiled into Xorg. To disabled it for the current session, run: xset s off You can put this in your .xsession file to disable it upon every login. === Coping with Mac styled Global Application Menus === The AppMenu (Global Menu) - Unity's Global Menu - 14.04 Change the global menu to show in the windows title bar (all apps) * System -> Appearance -> click on the "Behavior" tab. Select the radio box for "In the window's title bar." Once clicked, the application menus appear within the window decoration inline with the menu buttons. This isn't exactly a complete fix but is preferred to the auto-hide behavior that is default. The command line alternatives: gsettings set com.canonical.Unity integrated-menus trueand gsettings set com.canonical.Unity integrated-menus falseYou can also completely cripple and disable Mac like menus by removing the offending package. sudo apt-get remove indicator-appmenuWarning, removing indicator-appmenu will cripple Dash. It is said to disable HUD? In a practical sense the crippling may go unnoticed by some users. After removing indicator-appmenu you may not miss a thing! It won't hurt to try, you can always put it back. You need to reboot after removal to experience the changes. Test: after removal of indicator-appmenu and a reboot, the HUD service was still running. 2159 ? Ss 0:00 /usr/lib/x86_64-linux-gnu/hud/window-stack-bridge 2243 ? Ssl 0:00 /usr/lib/x86_64-linux-gnu/hud/hud-serviceFurthermore, Global Menu was completely gone! Now menus are back where they are supposed to be, on the application window! Tested successful on Ubuntu 14.04. === Unity Launcher Customization ===The Unity Launcher bar is on the left side of the desktop screen. It cannot be moved. It can be hidden or set to automatically hide itself. It cannot be moved to the right side or anywhere else, which is by design. === /etc/resolv.conf gets overwritten ===This should be titled reslov.conf gets overwritten and modification to the DNS name server settings in the GUI is broken too. Preliminary testing: completely delete /etc/resolv.conf, reboot, create a new resolv.conf, add the nameserver, execute the command chattr +i /etc/resolv.conf This procedure is not yet verified. It is necessary to delete resolv.conf and reboot in order to use the chattr command. === Disable Alt-Tab Window Grouping ===Install the compizconfig-settings-manager using apt-get: sudo apt install compizconfig-settings-manager compiz-plugins-extra In this manager, find the Ubuntu Unity Plugin, go to tab "Switcher" and disable it. You will be disabling the switcher plugin. Some recommend unchecking all of the boxes within the switcher settings. Click the back button. Now search for "Static Application Switcher" and enable that.{{:Sparse Entry}}Enable its key combinations for next and previous windows Alt+Tab and Shift+Alt+Tab.