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Ssh-copy-id you will need to enter your password (for the last time!). If you leave it *blank* (just press enter), *no password* will be required for login. You will also be asked if you want to use a passphrase.
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On Linux it will be somewhere like $HOME/.ssh/id_rsa and for Mac somewhere like /Users/username/.ssh/id_rsa. You might need to enter a location to save it.
* First, you need to create an RSA key pair on your computer (if you don't already have one): * Use *SSH Key Based Authentication* with *empty passphrase* in order to login over ssh or scp without password. ++ How can I login over ssh without typing my password?
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* It's possible to poweroff or restart your PC from the command line by typing ++ I can no longer shutdown/reboot my PC This will kill the x-server and the login screen should appear. * An other possibility is pressing =CTRL+ALT+Backspace= *twice*. Kde-logout -n # -n: logout without confirmation (now) * Try to logout with the following command: *Don't forget to delete your trash from time to time.* * Quite often your Trash which is under =$HOME/.local/share/Trash= fills up the whole disk space. * For example to print the size of your folders in the home directory type: Login with username and password, when the login procedure gets stuck, press CTR+C. Ask the administrator to enable it again. The administrator can set a new password. Rm -rf ~/.config/plasma-* # try this, if the above doesn't help Rm -rf ~/.local/share/kactivitymanagerd # try this first
However sometimes it's enough to clean up your plasem desktop settings with Try to ] - note that all KDE settings are lost. Try to login over ssh and delete files in =/tmp=. *CTRL+ALT+F7* will bring you back to the login screen again. * Or press at the login screen *CTRL+ALT+F1* and login to the text console. The other side of the LAN cable has to be connected to a UTP plug. The blue LAN cable should be attached to the back of your PC and the interface should blink. * In case you work on a IAC Linux PC, check if the PC is connected to the network. ++ I can no longer login to a Linux system * Acroread does not react for several seconds. * Scrolling in *firefox* can be very slow. Choose from Look & Feel %M% *Desktop* %M% *Desktop Effects* and uncheck the box *Enable desktop effects* Try to disable KDE Desktop effects: From the KDE menu choose *Configure Desktop*. * *KDE Desktop effects* can make your PC slow. If you see in =top= processes called kswapd0, kswapd1 using a lot of CPU, your PC is swapping. * If your PC starts to *swap* (all physical memory is used) it will be very slow. In top press =1= to see the amount of CPUs * The *load average* in =top= should be below the amount of CPUs you have. * =top -i= will show you only the main running processes See if a process is using all your resources (%CPU, %MEM) There could be several reason why your PC gets slow. * See this document for some examples about converting and manipulating files in Linux %M% LinuxConvertFiles ++ How can I convert file X into file Y? * The following list gives an overview of some Linux applications and their purpose %M% LinuxApplications ++ Which application should I use to do XYZ?
+!! FAQ - Hints & Tricks for Linux Users
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