ubuntu frozen kill process
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killall firefox For killing two or more processes at once killall process1 process2 process3 If you want to kill a process that was started with administrative privileges (sudo), then you'll have to use it in the below format. As shown in the picture above, you can get the process ID of the program/process in the second column. Please note that kill -9 does not guarantee to kill a zombie process. After it's enabled, you can press Ctrl+Alt+Backspace to immediately restart your X server. That said, for your puropse I recommend taking a look at htop. 5. To get the Process ID (, If all this fails, as a last resort, you can, E Send Terminate signal to all processes except for init, I Send Kill signal to all processes except for init. Deactivate (uninstall) your current 173-nvidia driver using the Additional Drivers window. 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To find a process that you wanna kill use the ps -aux |grep processname (Go ahead and try C-A-B, it obviously can't hurt; it does work when an app (like compiz/unity) is stuck, rather than X itself, however other answers on this page would be better in this case). To debug the freeze, you can use Magic SysRq key, for example: Note: Consider holding Shift (depending on your keyboard). A note for new users about KMS: As a general rule, if you're using a binary driver (probably if you have an nVidia graphics card, and sometimes if you've got an ATI card) you're video driver is not using KMS. Check for signs that the process is running, hung, or shut down. For some experiments, a virtual machine in VirtualBox is recommended. The crash was because of the build of some other app in kdevelop, so not the "TRAIN" process How to kill a process that I know it freezes my ubuntu? More Commands. If not, find the name and process ID of its command, and tell the program to end as soon as possible with kill [process ID here]. Only if it doesn't work you should try the whole REISUB sequence. It only takes a minute to sign up. I've used clonezilla countless times and it has always got me out of trouble. How can I kill the processes . Ubuntu ships with sysrq default setting 176 (128+32+16), which allows to run only SUB part of REISUB combination. This also works in remote desktop view mode (AnyDesk, probably TeamViewer, others?). killing in bash resulted the process turning into a zombie process assigned to pid 1 as parent. For example, for a calculator, sudo ps -aux | grep -inE calc My particular problem was my graphics card (integrated Radeon 9000 series). CTRL + ALT + T --> type in top --> find process ID --> k PID where PID = process ID Effect: This kills the program. In extreme, condition you may have to reboot your Linux box by typing the shutdow command/ reboot command: $ sudo reboot. 32bit 280 drivers: ftp site and 64bit: 280 drivers: ftp site, CTRL + ALT + F1 to switch to TTY1 and login. all can result in freezes. Thanks! commands send the TERM signal if none is given. Copy. When a program window stops responding, you can usually stop it by clicking the X-shaped close button at the top left of the window. How do I parse command line arguments in Bash? Make note of the PID on the process that you want to kill and then execute the following command: taskkill /f /PID 00000. Depending on the exact sequence of calls leading to the crash there may be other ways to sandbox the application to avoid this repeating hang. Kernel will kill the mostly expensive process each time. In most Linuxes, this is the only point reached. CODES NEW ADD. Ubuntu freezes: When everything, keys, mouse,.. stop working Try the Magic Combination as follows: While holding Alt and the SysReq (Print Screen) keys, type REISUB. If above command failed, try the following command to kill its parent process: # kill -9 4104. rev2022.12.9.43105. If you are unable to stop the offending process as described you can also try to enable ctrl-alt-backspace to kill the xserver without swapping run-levels, as a last-ditch effort to avoid a reboot on a hard hang. When in the terminal, type your user and password to get to the prompt line. If even that doesn't work, you'll just have to power-cycle the machine. Thank you! And cant always kill a process that no longer responds. Keyboard is completely unresponsive. i - Sends the kill signal to all processes, forcing them to end immediately. Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Click the Options button and enable the Control + Alt + Backspace check box under Key sequence to kill the X server. Using Alt + F2, xkill is a good option for applications having a window to click on. The process should then end. Here you can find information on all running processes, system resources, and file systems. Open terminal, You can launch Gnome System Manager through the UI any time you want by searching for system monitor or even task manager in the Ubuntu Dash, or otherwise access it directly from the Applications list. Most of the times the desktop seems to freeze when Firefox is running. If the keyboard is still functional, press Alt+F2 and run gnome-terminal or try ctrl+alt+T (or, if these fail to launch, press Alt+Ctrl+F1 to switch to consoleand login with your username and password). To search for a process in htop (let's say you're looking for a python process, you can hit / and then type "python" followed by enter. It does not work running xkill from Terminal (Ctrl + Alt + T). Once you have the PID of the desired application, use the following command to kill the process: sudo kill -9 process_id Could you please explain how to tackle in such case.. I just looked through all the shortcuts and couldn't find "Key sequence to kill the X server". From there you can troubleshoot things. b - Reboots your computer. If during testing you dont see the same freeze activity you could try uplifting your X version with the x-edgers ppa and using kernel kernel 3.0 in Natty. Ready to optimize your JavaScript with Rust? Help us identify new roles for community members, Ubuntu 12.04 totally freezes while browsing or using VirtualBox, How to kill an application that locks/freezes the system when that app does not show in System Monitor. To kill a process, we navigate through that list, right-click the process, and choose the kill option. I had this problem with ghost windows that remain after you have closed the main program on Ubuntu 18.4. This will show you all processes running (ps | less if you want to see the results page by page). such as the ability to kill processes from other than your own user ID If the process hung up, it might be neccessary to send a sigkill to the process (this is signal number 9, so the following examples do the same): pkill -9 <name> pkill -SIGKILL <name> You can use this option with kill and killall, too. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. The first thing to look at is if it is just X that's frozen, or the whole system. See. This is my "linux emergency cheat sheet": SUPER --> type in System Monitor --> RETURN --> find process --> right click --> Kill Process, ALT + F2 --> type in xkill --> x marks the spot (or in this case frozen app), CTRL + ALT + T --> type in top --> find process ID --> k PID where PID = process ID, CTRL + ALT + F1 --> type in sudo service lightdm restart. Extra: Use Ctrl+Alt+Del for Task Manager in Linux to Kill Tasks Easily. Enable ssh and then ssh into the system. Italways works provided you have the permission to kill. X would hang and and nothing but a reset would fix it. Just open from your Start "Menu" > system > system monitor When everything stops working, first try Ctrl + Alt + F1 to go to a terminal, where you can likely kill X or other problem processes. Some drivers like -intel are more likely to have freeze bugs than other drivers like -ati. After reboot, check your kern.log for details, especially call traces generated by above kernel commands. If you want to "kill" a process you write down the "PID" Number. ,bash,shell,ubuntu,kill,kill-process,Bash,Shell,Ubuntu,Kill,Kill Process, #!/bin/sh echo "Start: " $ (date +%s) (time hive --hiveconf mapreduce.job.reduce.slowstart.completedmaps=0.5 --hiveconf mapred.reduce.tasks=10 --hiveconf mapreduce.reduce . Connect and share knowledge within a single location that is structured and easy to search. You can also get to the TTY when booting by pressing ESC or holding SHIFT, then on the GRUB menu, selecting recovery mode. Making statements based on opinion; back them up with references or personal experience. In the image below you can see that the process firefox is running ; os.kill(): This method in Python is used to send a specified signal to the process with specified process id. You should also consider your hardware and driver. File Upload with API Platform and Symfony, You can usually halt a program running in the terminal with, If that doesnt work, find the name and process ID of your program and kill the process. The two replies above seem to imply that simple, yet effective solutions are not acceptable. Kernel 3.0 is packaged with the PPA - you'll need to install the headers as well as the kernel itself from synaptic BEFORE rebooting if you intend to install the nvidia drive later. Kill Process with System Monitor (Task Manager) Ubuntu provides the System Monitor which is used as Task Manager . It may work and you may save yourself a reboot. Note: If above hard reboot combination won't work, the freeze could be caused by defected hardware, not video drivers. It typically consumes up to 20% of my CPU, so if you're computer's bogged down, launching SM is only going to grind it into the dirt faster. Anyway, this get's me out of this mess 95% of the time. On the Xubuntu installation, it was the first one, accessible with the Ctrl + Alt + F2 combination. There are several ways to kill a process in Ubuntu/Linux, discover the quickest way to force kill unresponsive program in 3 quick actions. Is there a diagnostic procedure I can follow? In case you like mnemonics: Raising Elephants Is So Utterly Boring, or Reboot Event If System Utterly Broken. Site design / logo 2022 Stack Exchange Inc; user contributions licensed under CC BY-SA. Once you execute, it should bring down the GUI, which will then attempt to respawn, bringing you back to the login screen. If you have to do a hard shutdown I'd be wondering if the memory (RAM) was failing. In the image below you can see that the process firefox is running. However - I would strongly recommend a backup unless you feel confident on reversing a nvidia install - especially since you had serious issues with the slightly older 270 drivers. Select the zombie process, right-click and then select Kill from the menu. While holding Alt and the SysReq (Print Screen) keys, type REISUB. Upgrade your Ubuntu and kernel to the latest version. survived killing its parent via bash. I know in Windows I could use ctrl-alt-del to get to the task manager to shut it down. 2. Is there any reason on passenger airliners not to have a physical lock between throttles? accepted as options, and arguments may be job or process IDs. Going this route is not really desirable - and could cause you upgrade issues in the future - and may have other unforeseen stability issue. How do I use REISUB with an Apple slim aluminum keyboard? If SysReq key works, you can kill processes one-by-one using Alt+SysReq+F. In some special cases the process is still listed by ps or top (as "zombie") - in this case, the program was killed, but the process table entry is kept, becuse it's needed later.). If the DE has frozen, switch to a different run-level by using ctrl-alt-f3 and login to the terminal presented. e - Sends the terminate signal to all . By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. If you want to kill all processes for one console, you can issue Alt+SysReq+K. Method-1: Use pkill Command. You can change it to 1 or, that which is potentially less harmful, 244. Here are the steps: The following is specific to my Radeon card, but I'm sure other cards have a similar setup. signal was successfully sent, non-zero if an error occurred. If your program is running from a terminal, on the other hand, you can usually halt it with Ctrl+C. Ubuntu automatically configures xorg.conf and doesn't use a file. - Paul Coleman Aug 9, 2017 at 14:41 Add a comment 2 Answers Sorted by: 1 Why does my stock Samsung Galaxy phone/tablet lack some features compared to other Samsung Galaxy models? I can do a suspend from the ssh shell, it might take a while until it gets thru, and after a while the computer is idle again. What do you do if you're using a Mac that has no SysRq key? If your GUI is working, then you can simply logout and re-login, but if your desktop/navbar is also frozen, then launch your terminal and execute the following . How can I get a list of user accounts using the command line in MySQL? It only takes a minute to sign up. Note - this will lead you away from the standard baseline - if upgrading in the future ppa-purge the PPA itself before upgrading. I recommend always test the latest version and only if it throws a problem, then go down from there until you reach a version where everything works correctly. But they only send a standard signal strenght of -15. I have a process (TRAIN) that turns and I have also started kdevelop and tried to build some application. So, for all of you getting sudden unexpected freezings, give up messing around with your OS beyond what's reasonable and do an exhaustive dust and contact cleaning. The System Monitor app will launch with the default Processes tab visibleif it doesn't, click on the Processes tab at the top. Clicking this option will send the " SIGKILL " process. Help us identify new roles for community members, Proposing a Community-Specific Closure Reason for non-English content. It is installed by default on your system, but in case it is not, you can follow the method in the next section to install xkill. Find centralized, trusted content and collaborate around the technologies you use most. Obviously you will not get Unity during testing this. Thus there is a parent process, which monitors its children, and if one dies, it gets respawned by the parent. I note you have tried the standard 270 drivers but have failed due to freezes. Note that user permissions apply to both "kill" and . Kill an unresponsive program with xkill If you are using a Linux desktop, your first step should be an attempt to use your window manager's execute command (alt+f2 in Ubuntu) feature. In Bash, both signal names and numbers are. You do need a large external drive though - USB stick/external drive or a separate drive. You should then be able to re-login with your usual display manager. In that case you'll need to replace at least one stick of your RAM. :-). Alt-F2 and xkill did not work for me, I ended up logging out and logging back in and when it finished logging me back in the stubborn app was gone. Using the top command on the console you can often see which process is hanging, by checking the cpu % column. Ubuntu ships with sysrq default setting 176 (128+32+16), which allows to run only SUB part of REISUB combination. So, to kill it, type. Allow non-GPL plugins in a GPL main program. The only way to diagnose these issues is to keep swapping parts until it works. Rise up (from the dead) if you're inclined to zombie movies, use the cursor keys to select the last option "memtest86", Uncomment "NoAccel" option and set to "True", Reset the nice level of all high-priority and real-time tasks by hitting, Try forcing a return to a text console try hitting, Kill all processes on the current virtual console (can kill X) by hitting, Perform a system crash (if it is configured) by. (Community wiki answer - solution was originally buried in the OP question). If it still doesn't work, then you may have a GPU lockup in the kernel drm driver. Move mouse pointer to a window controlled by the process to make quit. I must say this Alt+F2, type xkill was a crazy thing i didn't knew, totally saved the day. Of course, you can always do a ps -A and pipe that to grep for your program name. Is this an at-all realistic configuration for a DHC-2 Beaver? By pressing the "k" button now, you will be prompt to enter the PID number of the process you want to kill. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. To diagnose the freezes you should be able to use the net console (or serial serial console for that matter). A way to kill processes that freeze is by the terminal. Moterboard asus m3n78 pro last bios. Follow the set up instructions outlined here. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Effect of coal and natural gas burning on particulate matter pollution. Ubuntu and Canonical are registered trademarks of Canonical Ltd. Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site, Learn more about Stack Overflow the company. If you're getting a lot of freezes, there might be something wrong with your hardware. This should have been the accepted answer. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. I usually have to repeat this combo a couple of times before ubuntu spurs back to life. Something can be done or not a fit? Ubuntu and Canonical are registered trademarks of Canonical Ltd. Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site, Learn more about Stack Overflow the company. If you can't ssh into it, then it's probably a kernel lock up. Bash . If this is the case you can kill X, which will restart and drop you back at the log-in screen. (sudo apt-get install htop). ONLY USE WHEN EVERYTHING ELSE FAILS: after killing init, the process now appears without parent in Process Explorer. Books that explain fundamental chess concepts. Another possibility would be to use Ctrl+ALT+F4, You have to login there with your user account. Next try restarting X. As I had a lot of trouble with nvidia-current and nothing worked That's why I switched to the nvidia-173 one. Step 1: Find the process ID (PID) of the program There are several ways you can use for finding the PID of a process. As long as there are no failures, you'll see a green status. Installation of xkill I prefer simplicity. End: The correct way to close a process, this will safely terminate the application, cleaning temporary files on the way. xD. Are the S&P 500 and Dow Jones Industrial Average securities? You can kill a zombie process graphically through the System Monitor Utility as follows: Open the System Monitor utility through Ubuntu Dash. Ask Ubuntu is a question and answer site for Ubuntu users and developers. So please help me? In your Applications list, click on the System Monitor icon to launch it. Alsjd 115 points ps -ax | grep application name . I'm a Windows guy, dual booted recently, and now I'm using Linux Mint 12. While holding Alt and the SysReq (Print Screen) keys, type REISUB. You can kill any offending processes by using kill or killall, if the DE has gone into hardlock it may be worthwhile to kill xorg by sudo killall Xorg to restart the DE (usually drops you back to the DM to login),switch back to the graphic run-level with ctrl-alt-f7. Press ALT+F2, type xkill. All operating systems freeze sometimes, and Ubuntu is no exception. Popularity 10/10 Helpfulness 7/10 Contributed on Sep 30 2020 . The process just stops to exist. to close a running application in foreground. I would raise a launchpad bug report with the compiz team. Is Energy "equal" to the curvature of Space-Time? find the name and process ID of its command, ubuntuforums.org/showthread.php?p=11773367#post11773367, community documentation of diagnosing hardware failures, Use Ctrl+Alt+Del for Task Manager in Linux to Kill Tasks Easily, https://wiki.ubuntu.com/X/Troubleshooting/Freeze, https://wiki.ubuntu.com/X/Troubleshooting/BlankScreen. It can be found by searching for it after clicking the Activities button. An example is below. Are there breakers which can be triggered by an external signal and have to be reset by hand? Can virent/viret mean "green" in an adjectival sense? Each process running on your Ubuntu server has a unique PID, when it comes to managing processes, you'll find that the PID is very useful. The mouse pointer on screen will change to a cross. To find the PID of any process, run the following command: $ ps The command will display the PID of all ongoing processes. What do you do when Ubuntu hangs/lags? the first number, 7645 for the first application is its id number. If youre using another display manager, replace lightdm/gdm/kdm with its name. rev2022.12.9.43105. My desktop randomly freezes as well. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. 1980s short story - disease of self absorption. What should I do when starting up Ubuntu fails? Just ignore the line with "-color =auto". When I go to Settings > Keyboard the tabs are only Typing and Shortcuts. It won't work in most cases. If that doesn't work, press the Reset button on the computer case. then find pid which is listening to tcp. The best answers are voted up and rise to the top, Not the answer you're looking for? Browse other questions tagged. Hover over the offending window and left-click to kill it. 1. Name of a play about the morality of prostitution (kind of), Received a 'behavior reminder' from manager. How is the merkle root verified if the mempools may be different? Press and hold the Alt+SysRq keys, then select the "reboot" option from the menu. Is it correct to say "The glue on the back of the sticker is dying down so I can not stick the sticker to the wall"? If even that doesn't work, try using holding down Alt + SysReq while pressing (slowly, with a few seconds between each) R E I S U B. Some days after the cleaning (I used CRC 2-26) and a series of really brutal stress tests, my PC hasn't frozen once. ubuntu kill process. 1. How does legislative oversight work in Switzerland when there is technically no "opposition" in parliament? If you know this process/program always crashes your computer (TRAIN or kdevelop or other), then you really should stop running it. For instance, -intel has a set of debugging tools you can install that allow you to capture GPU dumps. Use the man pages for more information about these commands. To do this: It will immediately work! This restarts or logs you out of your current session but it will not reboot. Note: Consider holding Shift (depending on your keyboard). It, too, was fixed by changing memory sticks. Would salt mines, lakes or flats be reasonably found in high, snowy elevations? References. After loading X, and with any change on the screen, the system freezes. Freezes are an unfortunately common end result of a whole variety of different kinds of problems. The kill command is the first and standard command to kill the process in Unix. A zombie process has terminated (it may even have been killed), but it remains in the process list until its parent process performs the wait() call to read its exit status. nvidia-bug-report.log.gz (95.3 KB) Mounir October 29, 2019, 2:39pm #14 i got the same problems but after updating the BIOS , the freeze disapear until now . Open a System Monitor from Dash -> Go to 1st tab Processes. If you absolutely must run it, I'd suggest running Ubuntu in a VM (Virtual Machine, like VirtualBox) and run the unstable program/process inside of it. I get to see the Unity interface, and then everything simply freezes :p I can switch to the tty's and run commands and everything, but it just seems Unity and the window manager/decorator have crashed. Did neanderthals need vitamin C from the diet? I'll give that a shot and post-back the results. It is a tool that comes pre-installed in Ubuntu. ubuntu kill process. Right clicking will cancel and return your mouse to normal. 3. Then you type in top: number_of_PID is the PID number you just wrote down. How to correctly enable Desktop Cube in Unity 3D? Running 'service gdm restart' always brings it up. If problem repeats, the workaround is to install. For example, let's say you want to . Understanding The Fundamental Theorem of Calculus, Part 2. Press Ctrl + Alt + F1 to get this, use Ctrl + Alt + F7 (or maybe F8) to get back to the GUI. # pkill -9 -t pts/1. Ready to optimize your JavaScript with Rust? The best way to fix a frozen Ubuntu session is to force the login screen program to reset. In operating systems (Windows, Linux does not matter), things are managed as processes. What are the criteria for a protest to be a strong incentivizing factor for policy change in China? We do not currently allow content pasted from ChatGPT on Stack Overflow; read our policy here. Please note that you can run 64-bit and 32-bit guests on a 64-bit host using Virtualbox without any problem. I have pressed also ctrl+alt+f3, but nothing has happendI had no chance to ttry ctrl+alt+backspace so I cannot accept your answer now @sop If console switching is broken then the system is in a hard hang (either a full stall or kb input is being ignored = Xorg crash), if thats the case, its worth researching why the program is crashing or at the very least sandboxing it to avoid taking down the whole system. Making statements based on opinion; back them up with references or personal experience. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. MOSFET is getting very hot at high frequency PWM. Does a magic combination like Ctrl + Alt + Delete exist for Ubtuntu? How To Restart A Hung Process In Linux. More info on all the Alt+SysReq functions here. In the System Monitor, we can see a list of all the processes currently running. Unfortunately, System Monitor is quite CPU intensive. Or mnemonically RebootEvenIfSystemUtterlyBroken. You may need to also install manually the beta 280 graphics drivers above since it probably will not be offered in the Additional Drivers window. Are defenders behind an arrow slit attackable? Is Energy "equal" to the curvature of Space-Time? I will edit the answer to address basic sandboxing, It looks like his entire system is halted and frozen - i don't think he can open the system monitor. Ultimately the method you use is up to you, htop offers a lot of clearly laid-out information and tools to manage processes. The simplest way to kill frozen . Ctrl+Alt+Del? The User Mode Call Stack Process of Stack Hung Process can be viewed. I have also tried Alt+F2, or Ctrl+Alt+F1, but nothing happens. The default signal for kill is TERM (terminate process). To force close a program in Ubuntu using the System Monitor, press the Show Applications button at the bottom of the Ubuntu dock. Method 1: By using xkill The utility allows users for killing the frozen applications on Ubuntu. My ubuntu is super prone to freezing (probably 20 odd times a day). When a Windows desktop freezes I refresh, or if I am using a program I use alt + F4 to exit the program or I can use ctrl + alt + delete and this command will allow me to fix the Windows desktop by seeing what program is not responding and so on.. Mint freezes fewer times than my XP, but when it does, I don't know what . I'm not going to get into mouse troubleshooting here, as I haven't researched it. ONLY USE WHEN EVERYTHING ELSE FAILS: Hold ALT + SysRq down and hit the following keys in the given order: This is where you find the magic SysRq key: Effect: This restarts the system but only after performing the following actions: Bonus mnemonic: Reboot Even If System Utterly Broken. I have never seen a Linux freeze that can be fixed. If you cannot reproduce the freeze with classic Ubuntu (no effects) then this will point you towards a compiz issue. 32. The init process periodically calls wait() to reap any zombie . **note for sudo ps -aux | grep -inE calc I could have typed in, sudo ps -aux | grep -inE calculator to be more specific. the process should not survive killing init. For example man kill will explain the use of the kill command and give examples of use. Better way to check if an element only exists in one array. If all else fails, as a last resort send SIGKILL (9): kill -9 [process ID here]. If all else fails, you can always reboot your system. Bad RAM, buggy motherboards, overheating, power irregularities, etc. NOTE: You should explicitly enable these key combinations. Using the F10 button also works to quit. Extension. Once the process is highlighted, you can press f9 to bring up the kill menu, here you'll see all the signals you can send to the process. Try Memtest86+ to check for fault due to low memory. System Monitor is, unfortunately, not the trusty Task Manager on Windows. I am surprised with so many answers, this isn't mentioned. To get rid of the zombies you have to terminate the parent process. There exists less radical way than rebooting the whole system. +1 for memtest86. When it opens, run the kill command. We should mention that if you force kill programs from the Terminal, there's a chance you might lose your work. Ubuntu doesnt tend to leak memory over time. Effect of coal and natural gas burning on particulate matter pollution, Understanding The Fundamental Theorem of Calculus, Part 2. I can't switch back to Gnome Panel (and honestly, I wouldn't want to), as I killed it a few weeks ago (on purpose, as it ran together with the Unity Panel for some strange reason :p). REISUB is BUSIER backwards, as in The System is busier than it should be, if you need to remember it. this is an option If you knew in advance that the computer might hang soon, open the connection first before you perform that task. If that doesn't work, try Alt + SysRq + R E I S U B. Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. You can always do Alt + F2 and write killall
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