Many distros enable by default several X11 server extensions that can be used toīypass grabs, and thus snoop on you while you're typing your password. On your front door doesn't matter much so long as someone else in the house insists on X11 developers are actively working against security like this. There's little that I can do to make the screen locker be secure so long as the kernel and Xdefaults file, and then tell the running xscreensaver process to restart Your changes immediately instead of the next time it wakes up, then you will need to If you change a setting in your X resource database, or if you want xscreensaver to notice Screen saver needs to take some action, such as blanking or unblanking the screen, or (The file will be reloaded the next time the It will notice this, and reload the file. xscreensaver file while xscreensaver is already running, Xdefaults file forĮxample, to set the timeout parameter in the. xscreensaver file is similar to that of the. Overrides any settings in the resource database. Home directory or in the X resource database. Options to xscreensaver are stored in one of two places: in a. Trying to do something tricky, like customize xscreensaver for site-wide use or You shouldn't need to know any of the stuff described in this manual unless you are The easy way to configure xscreensaver is to run the xscreensaver-demo(1) program. Program, and change the settings through the GUI. The easiest way to configure xscreensaver is to simply run the xscreensaver-demo(1) That runs in the background it is controlled by the foreground xscreensaver-demo(1) and Note that xscreensaver has a client-server model: the xscreensaver program is a daemon Saver, and experiment with the various display modes. The xscreensaver-demo(1) program pops up a dialog box that lets you configure the screen It also provides configuration and control of your monitor's power-saving features. This program can lock your terminal in order to prevent others from using it, though itsĭefault mode of operation is merely to display pretty pictures on your screen when it is The xscreensaver program waits until the keyboard and mouse have been idle for a period,Īnd then runs a graphics demo chosen at random. Xscreensaver - extensible screen saver and screen locking framework None addressed how to change this globally, which would be appropriate for a server setting.Provided by: xscreensaver_5.45+dfsg1-2ubuntu1_amd64 Previous posts resolved the issue by having the user manually change the screen saver preferences in the GUI. I also came across previous posts, noting that XScreenSaver has been causing high CPU loads for nearly a decade. So, sometimes you just get lucky and get the one that consumes your entire system. Apparently, the default behavior for XScreenSaver is to randomly pick from the installed screen savers and change every 10 min. Researching on "m6502," I found it is part of the standard XScreenSaver distribution. some quick research pointed me to a process called "m6502" that was running in multiple iterations (one per CPU core) and that was solely responsible for the excessive load. The new server I had just setup was nearly brought down to its knees with CPU utilization above 50% across all cores! But, I just barely installed lubuntu 16.04 server-I wasn't running anything yet.
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