Ubuntu sleep vs suspend

Ubuntu sleep vs suspend. wait [n ] Wait for each specified process and return its termination sta- tus. Feb 11, 2018 · Starting with Ubuntu 16. S. I do see that when I use "pm-suspend" to sleep the machine the script does get executed. systemctl suspend-then-hibernate initially suspends the system to RAM as long as possible, then wakes it with an RTC alarm and hibernates. pm-suspend Command – During suspend most devices are shutdown, and system state is saved in RAM. g. Depending on your operating system, sleep is sometimes used interchangeably with suspend (as is the case in Ubuntu based systems). gnome. Aug 1, 2021 · On Ubuntu 16. Mar 22, 2022 · Suspend-to-RAM (deep) offers more significant savings: essentially only the RAM is kept powered to keep RAM contents and the state of the devices and CPU stored in RAM. HandleLidSwitch=suspend: suspend laptop when lid is closed. I have tried to implement this by adding Conflicts= in the [Unit] section of the suspend service, which does work, but the resume service does not start again after resume. service(8), systemd-suspend-then-hibernate. Then there is hibernation, Suspend-to-disk , where the state of the system is saved in swap space on disk, and the system essentially is fully powered off. The options in #1 are, as others have pointed out, just too easy to hit by mistake once every month or so. I am not sure Sep 29, 2011 · Host OS: Windows 7 Guest OS: Ubuntu 11. 04 LTS and above suspend-then-hibernate works similarly In this mode laptop sleeps or suspends to RAM when the lid is closed or a button is pressed. Jun 22, 2011 · for details on actions, try bash -x /etc/acpi/sleep. if single-user mode console suspend or resume fails . To solve it, I did: sudo visudo -f /etc/sudoers. After a certain time that has been pre-set, the laptop will wake up and write the data in RAM to disk, and enter hibernate mode. Nov 25, 2019 · Suspend to Disk ("hibernate") will take longer both saving and resuming, but you won't lose the saved state when the power is lost; the system is powered off anyhow. Apr 5, 2018 · There are two ways of enabling WiFi after sleep. When the laptop is connected to a docking station and you close the lid, it doesn’t go in suspend mode. They seem to both do the same thing in that I select them and I cant seem to figure out the keyboard or function i. We must also supply the --yes-i-know-what-i-am-doing flag. Want to put your Linux PC into sleep or hibernate mode and have it automatically wake at a specific time? You can easily do this with the rtcwake command, included by default with most Linux systems. Whats the difference between systemctl and pm-suspend? Ubuntu 16. Make sure you un-comment those Then, the kernel will try to freeze processes, suspend devices, wait a few seconds (5 by default, but configurable by the suspend. The OS puts Networkmanager and the ethernet adapter to sleep instead of handing control over the ethernet adapter to the BIOS. Jun 11, 2017 · Suspend writes memory to disk and the Guest OS enters hibernate/sleep state; Powers off the virtual machine. Mar 5, 2023 · Ubuntu 22. Dec 31, 2018 · Stack Exchange Network. If you are using Ubuntu Desktop, you must open the terminal before you put the device to sleep. enable PM trace (echo "1" > /sys/power/pm_trace) which will write device hashes to the system timer . Oct 3, 2020 · Sleep: Also known as "Suspend to RAM". This mode is also called suspend to both. Mar 12, 2016 · When it comes to power options in Linux distros, there are Logout, Shutdown, Suspend, and Hibernate functions. See the answer here on this page from Adam Paetznick regarding the use of dbus. Question: Suspend VS hibernate in Linux, what is the difference? Answer: Suspend stops operation of all applications and system state is saved in RAM, the machine go into a low-power mode, in this state, the system still requires power . There is one problem, though. 04, systemctl call must be used (See Suspend command in Ubuntu 16. Power off or restart If you want to power off your computer entirely, or do a full restart, click the system menu on the right side of the top bar, click the button, and select either Restart… or Power Off… . I use lightdm because multiseat with gdm3 was acting funny, and as soon as I installed (and used) lightdm, screensaving stopped working :( IIRC there was a popup message by Gnome warning me from that, but that popup disappeared quickly and I could not fully read it. Why does my computer turn off when I close the lid? — Laptops go to sleep when you close the lid, in order to save power. Suspend is a state where most devices are shutdown, except for RAM. Meaning the state of all your running programs are saved to disk, the computer powers down and it will take zero battery. May 6, 2018 · I am having a very similar issue on an HP Pavilion 17-ar050wm laptop. This state still draws power. look at dmidecode information that matches settings in /usr/share/acpi-support/*. config. sudo pm-suspend everything works fine. 10 that consume energy. More info from VMWARE online library Jan 23, 2021 · So it must be either Networkmanager going to sleep or another service shutting the Ethernet connection. Using the Terminal to Suspend Ubuntu. --hibernate Test whether hibernate is supported. To use suspend, an operating system must first configure wake-up events (things like the power button, lid-button, etc). --suspend-hybrid Test whether hybrid-suspend is supported. Writes all RAM contents on disk, and computer can turn off completely. service(8), systemd(1), systemd. This means that your computer can wake up quicker than for normal hibernation if you do not run out of power, and you can resume even if you run out of power. 04. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. S4 Hibernate System appears off. Save the file and finally restart the Systemd service to apply changes via command: systemctl restart systemd-logind. systemd-inhibit CMD [] With no extra options, systemd-inhibit will execute CMD while temporarily disabling idle detection (that might auto suspend/hibernate the machine), explicit suspend/hibernate (e. 04, 23. Aug 21, 2015 · I have Ubuntu Lucid installed on a Panasonic Toughbook CF-29. This mode is also referred to as 'Save To RAM'. It allows more energy to be saved relative to runtime idle by freezing user space, suspending the timekeeping and putting all I/O devices into low-power states (possibly lower-power than available in the working state), such that the processors can spend time in Nov 26, 2023 · Performing suspend or hibernate via terminal works fine: systemctl suspend Nov 26 16:39:11 XYZ ModemManager[933]: <info> [sleep-monitor-systemd] system is about to suspend Nov 26 16:39:14 XYZ systemd-sleep[19184]: Entering sleep state 'suspend' An environment variable called "SYSTEMD_SLEEP_ACTION" will be set and contain the sleep action that is processing. 04) systemctl suspend and. target And this to re-enable it: sudo systemctl unmask sleep. target hibernate. I believe "leave" just means end the current session. The CPU has no power; RAM is refreshed; the system is in a lower power mode than S1. There might be other options there that will help you like gnome_keyring_hibernate and gnome_keyring_suspend (If they use the keyring they might be the ones asking for the password when locked) This are EXTREME cases please let me know if they work so i can copy them here and make a reference: Nov 17, 2020 · The suspend service should be able to (a) stop the resume service prior to suspend and (b) allow the resume service to stop fully before suspending. Sep 30, 2020 · The difference is when you suspend your machine stores the essentials into ram if there is enough space. sh >/root/sleep. The "Suspend" button on your KDE or Gnome desktop causes the computer to become semi-awake. Refer to suspend-then-hibernate for details on how this option interacts with other options/system battery state. directives(7) Aug 17, 2017 · If I have the "Brightness & Lock" settings enabling "screen lock" after x minutes, but the Power settings set to "never suspend", does that mean the machine will "sleep" or not? It seems like a long running process is being paused when I check back on it after a screen lock, even though the machine isn't supposed to suspend Nov 13, 2023 · I'm on an Lenovo Ideapad, dual boot and having major problems returning from suspend, sometimes the computer will be on (not a totally dark screen as I had on Ubuntu 22. 13. Oct 21, 2016 · My choices are as follows: Maybe the problem could be solved by disabling "suspend when lid is closed" (as technically, the lid is closed when the device is attached to the docking station). Only used by systemd-suspend-then-hibernate. Suspend means "suspend to RAM". systemctl hibernate New Method (obsolete) Obsolete circa Ubuntu 16. Sleep, hibernate, hybrid-sleep are the advanced power management options. I found out that it was due to the sleep mode that was set to s2idle instead of deep: $ sudo cat /sys/power/mem_sleep [s2idle] deep I then use the following command to get it back into deep sleep mode: sudo sh -c 'echo "deep" > /sys/power/mem_sleep' Apr 11, 2020 · Every time I want to boot into Ubuntu, I just plug the USB drive in and it boots into Ubuntu, and everything works just fine. 1. Most modern Linux distro only needs to use the systemctl command. The first is a common patch to Network Manager as you can see I've made by listing the file: Turn off or enable power savings as illustrated below: Aug 14, 2012 · How to Make Your Linux PC Wake From Sleep Automatically. target hybrid-sleep. The "Suspend" option still appears on the gear menu (not that I expected it to disappear), and the sleep (moon) button on my keyboard still triggers suspend. Two parts: Earlier versions of nvidia drivers required support for suspend/resume/hibernate in /etc/systemd/ Mar 21, 2019 · Hibernate should mean "suspend to disk". I have disabled all devices that can wake up the system using the method described here: Ubuntu wakes up after few seconds of sleep. Various triggers can resume the machine, among them pressing a key or quickly pressing and releasing the Stack Exchange Network. Oct 21, 2019 · Since the system is restored from the saved state, to start the system, we don’t need to boot the system again. I installed pm-utils (sudo apt install pm-utils) and when I run. uswsusp Troubleshooting S2 Sleep System appears off. So now the output of cat /proc/acpi/wakeup is: Aug 31, 2022 · Don’t suspend when laptop lid is closed. What is the best way to change the default behaviour of the GUI suspend button and closing the lid to use pm-suspend instead of the systemctl suspend? Jun 22, 2023 · After this I am able to resume the system after suspend. Hibernate: Also known as "Suspend to Disk". Suspend-to-RAM uses more power, but is almost instant. The in-guest signal is ignored. Oct 14, 2021 · To turn standby mode on, we can use hte -s 1 option. The CPU has no power; RAM is in slow refresh; the power supply is in a reduced power mode. pm_test_delay module parameter), resume devices and thaw processes. I did the experiment twice. It's probably because you need privileges to execute systemctl hibernate. ) Jul 25, 2021 · sudo systemctl mask sleep. I found that for some reason, despite being an Ubuntu Server, I was able to change the gnome settings so I tried to change the settings with the following command. This is a generic, pure software, light-weight variant of system suspend (also referred to as S2I or S2Idle). Hibernate stores everything to disc so it will be safe during power loss, But it's slower than suspend. S3 Sleep (Standby) System appears off. when I press the sleep button or when I close the lid, after some time I turn it on again and it gives me external drive errors and some other errors. Whenever I closed the lid it went to sleep (or hibernation?). But for scheduling a single suspension or hibernation, which seems to be what Ederico was asking about (and which is something that makes a lot more sense to want to do), the at command should be used. What is the best way to change the default behaviour of the GUI suspend button and closing the lid to use pm-suspend instead of the systemctl suspend? Dec 30, 2020 · Hi James, Great tutorial, thanks! The other day I installed a music server on an old notebook running Ubuntu Server 20. target From man systemctl: mask NAME Jun 25, 2021 · Hibernate vs Suspend in Ubuntu. See full list on simpleit. cat /sys/power/state now gives more options which has suspend. From man bash:. Sleep (sometimes called Standby or “turn off display”) typically means that your computer and/or monitor are put into an idle, low power state. The solution is to disable automatic suspend: Open GNOME Control Center, go to Power tab (or simply gnome-control-center power); In Suspend & Power Button set Automatic suspend, to Off when Plugged In. If pm-suspend, pm-hibernate, or pm-suspend-hybrid are invoked without any commandline parameters, they will try to grab the correct quirks from the internal quirk database. Interestingly, in Xubuntu, hibernate does work. May 4, 2018 · From my perspective, both 'suspend' and 'sleep' are active behaviours but 'block' is passive. 04 » Ubuntu Desktop Guide » Settings » Power › Power saving settings » Set up automatic suspend You can configure your computer to automatically suspend when idle. gsettings set org. I'm not seeing any indication that the script ever gets run when I sleep the machine with "systemctl suspend". Hybrid-suspend is the process where first the The solution is to disable automatic suspend: Open GNOME Control Center, go to Power tab (or simply gnome-control-center power); In Suspend & Power Button set Automatic suspend, to Off when Plugged In. Make sure you un-comment those changed keys as well. The computer gets into suspend (= nothing written to disk), but in parallel the current state gets also written to disk an in hibernate mode. Let's learn what is Hibernate and Suspend operations and the differences between them. This will take a small amount of battery while suspended, but it resume faster than hibernate. I disabled suspend and hibernate with this command and tried to reboot, but the result was the same. Dec 7, 2020 · Ubuntu 20. Even many hours after. 04LTS, 5. you pressed the sleep key on the keyboard by accident) and shutdown commands. d/hibernate Jun 20, 2018 · In Ubuntu 18. Linux Suspend vs Hibernate Jun 10, 2021 · FIX for suspend-resume problem - black screen on resume Ubuntu 20. wait is a BASH built-in command. In terms of suspension and sleep, they are asked for by programmers or other threads/processes. pm-hibernate (part of pm-utils) is the preferred way to run s2disk. target. Suspend Suspend is the same as Sleep in Microsoft Windows. s2both(8) is an hybrid-suspend implementation. State lost on power loss, and this requires constant energy to DRAM. log & sudo pm-hibernate. service(8), systemd-hibernate. . Both default to using the kernel's suspend driver (by writing to /sys/power/state) and both support external suspend drivers (such as uswsusp, see here for details on how to hook it into systemd. That means, that normally the computer will later get at resuming very quickly usable again (like in suspend mode). 04*, follow these steps:. 9, one can use systemctl suspend with [Sleep] SuspendState=freeze SEE ALSO systemd-sleep(8), systemd-suspend. Using the terminal, you can also easily suspend the Ubuntu operating system. With the --quirk-* options of the pm-suspend and pm-suspend-hybrid commands you can select which quirks should be used. Jan 23, 2021 · So it must be either Networkmanager going to sleep or another service shutting the Ethernet connection. When I suspend the laptop, i. 04 won't wake up from sleep. Aug 14, 2012 · How to Make Your Linux PC Wake From Sleep Automatically. conf file: [Sleep] #AllowSuspend=yes #AllowHibernation=yes AllowSuspendThenHibernate=yes #AllowHybridSleep=yes #SuspendMode= #SuspendState=mem standby freeze HibernateMode May 7, 2024 · systemctl suspend Command – Use systemd to suspend/hibernate from command line on Linux. Down side is that suspend can't save to ram if you running out of power. the one to be used without writing anything into /sys/power/mem_sleep) is either “deep” (on the majority of systems supporting suspend-to-RAM) or “s2idle”, but it can be overridden by the value of the mem_sleep_default parameter in the kernel command line. e. Combining two related answers (here and here), here's an /etc/pam_session. Whenever the laptop suspends (either due to a closed lid or due to a black screen for a certain time), I cannot wake it up. 0, nvidia-drivers 510. – Aug 3, 2017 · Never suspend under Power; Never turn screen off under Brightness and Lock. Logout and Shutdown are self-explanatory. Unlikely ubuntu 23. Suspend-to-disk, on the other hand, uses no power (the system actually powers off), but takes longer to suspend/resume. I found that hibernate won't work as it always fails to boot up after hibernate. Nov 21, 2022 · And if you want to turn on hibernation in your Ubuntu 20. target suspend. Apr 29, 2022 · Searching for "hybrid" I just found an old thread which wasn't answered, but is closed already. — Suspend sends your computer to sleep so it uses less power. 1. Suspend and Hibernate differ in how they manage power when your computer goes into "low-power mode". First ensure you allocate swap memory in your machine to check: swapon --show Then check whether the swap memory you allocated is more than or at least equal to the Physical memory(RAM). Jan 12, 2011 · Hello seems kind of a silly question, but I purchased a Lenovo Thinkpad Edge and was wondering what the made difference is between suspend and hibernate. 04, and earlier versi Feb 17, 2021 · The most convenient way to do it temporarily is using systemd-inhibit:. Jun 22, 2011 · It contains information about the given system's hardware, including details on how to suspend/resume (and hibernate). Jan 12, 2018 · Hybrid sleep is a combination of suspend and hibernate. Resumption from suspension also needs someone to make it. Nov 1, 2022 · Currently, suspend does not work on my Thinkpad running ubuntu 22. Windows never had any problem resuming from sleep. max_cstate=1 which prevents the processor from entering deep sleep states. directives(7) I can confirm that my desktop rig has the same issues and I assume the reason is the lightdm. Jan 11, 2023 · # Comment the next line to disable ACPI suspend to RAM ACPI_SLEEP=true # Comment the next line to disable suspend to disk ACPI_HIBERNATE=true # Change the following to "standby" to use ACPI S1 sleep, rather than S3. 04 and later, are not available. Nov 20, 2023 · Waking from sleep can take a few minutes as the system needs to restore itself from your RAM. Can ubuntu be improve to be as good as windows 11? Nov 1, 2022 · Currently, suspend does not work on my Thinkpad running ubuntu 22. Commands, such as the systemctl suspend command in Ubuntu 16. Today, I noticed that Ubuntu wakes up immediately when suspending. Nov 28, 2018 · Both pm-suspend and systemd-suspend use typically the same interfaces to actually put the computer to sleep. Sep 11, 2021 · pm-suspend-hybrid Hybrid-suspend is the process where the system does everything it needs to hibernate, but suspends instead of shutting down. systemctl hybrid-sleep suspends the system both to RAM and disk, so a complete power loss does not result in lost data. I've tried lots of different things -- using Oilaf/Ubuntu-X bleeding-edge drivers, switching to lightdm, running gdm3 -reset-- but the only thing that seems to make a difference is whether I entered sleep by pressing the power button or by closing the laptop lid. I had the same issue also on Ubuntu 22. target xset s noblank xset s off xset dpms force off xset -dpms crontab -e: added Oct 24, 2016 · In case your Ubuntu is using systemd, you can use: journalctl | grep systemd-sleep You should get something like: Jul 31 16:02:51 johndoe systemd-sleep[5958]: Suspending system Nov 2, 2017 · HandleLidSwitch=hibernate: hibernate when lid is closed (need to test if hibernate works). rocks Aug 19, 2012 · There are two main forms of suspend - suspend-to-RAM and suspend-to-disk (also known as "software suspend" or "hibernation"). Usually, sleep has a timeout limit, which means it will wake up automatically when time's up. What is the best way to pause my work on the guest OS? Ubuntu has suspend and hibernate. Ubuntu Linux users often confuse "Suspend" and "Hibernate". attempt to suspend Suspend; Use less power and improve battery life — Tips to reduce the power consumption of your computer. All it requires is a simple single command. Jun 9, 2014 · SLEEP_MODULE="uswsusp" Then, to test, you can run this: sudo tail -f /var/log/pm-suspend. The default suspend variant (ie. Jun 10, 2019 · Change all the suspend triggering keys and switch to suspend-then-hibernate from systemd-suspend (or suspend). d on resume from sleep. Where 3600 is the number of seconds to wait before suspending. Example: to exploit the “freeze” mode added in Linux 3. For example, let’s suspend our system to RAM, then wake it up one minute later: $ sudo rtcwake -u -s 60 -m mem rtcwake: wakeup from "mem" using /dev/rtc0 at Wed Nov 9 15:11:05 2022. This mode doesn't power off… May 16, 2024 · Then I installed some packages (both snap and deb packages). service Source Jun 6, 2020 · gsettings get org. Sleep (suspend or standby) This mode is also known as the standby, suspend, or suspend-to-ram mode. TLdr; Modern suspend puts the machine in OS controlled s0 instead of BIOS controlled s3. In this mode, Linux saves the current state of the system I already disabled suspend in System Settings -> Power. Dec 9, 2022 · I am running a python code with multiprocessing, during this time if I press the power button then system suspends for 10seconds, then pauses and again on suspend. As funny as that sounds, it truly is necessary to supply it in the hdparm command syntax, otherwise the command won’t work. enable_dc=0 disables GPU power management. 04; use systemctl instead, as above. Mar 10, 2019 · I have seen this question before What is the difference between Hibernate and Suspend , but I still have some lingering questions about suspending, and hibernating and all the such. Is there a Nov 17, 2019 · I got same message with fresh installed Ubuntu 18. HandleLidSwitch=ignore: do nothing. 04 and 19. Suspend-To-RAM, which is set by using deep in /sys/power/mem_sleep) rather than the Suspend-To-Idle mode as signified by Nov 30, 2023 · If i use windows 11 and suspend my computer, it almost dont consume energy. I have AMD Ryzen™ 5 5500U with Radeon™ Graphics × 12 And it is a lenovo laptop. Ubuntu 24. desktop. The virtual machine does not attempt to shut down the guest operating system gracefully. Each n may be a process ID or a job specification; if a job spec is given, all processes in that job's pipeline are waited for. Jun 24, 2021 · Later suspend issue seem to have been fixed, while my computer still uses a lot of power while suspended, so I was trying to restore the setting to its original state. 04 won't wake up from sleep Issue: Whenever the laptop suspends (either due to a closed lid or due to a black screen for a certain time), I cannot wake it up. Terminal. Why does my computer not turn back on after I suspended it? — Some computer hardware causes problems with suspend. 10. Say if I won't need to work on the guest OS for 1 hour, while having a lot of programs running and don't want to close them. sleep 3600 && systemctl suspend. Power down ("halt") will shut down your operating system completely, and it has to be booted after power on. Using cron is a good solution when the goal is to suspend or hibernate at a specific time of day, or a specific time on a specific day of the week, or month, or year. sh that does the trick on Ubuntu 19. Feb 15, 2015 · Stack Exchange Network. HibernateDelaySec= The amount of time the system spends in suspend mode before the system is automatically put into hibernate mode. For others who ended up at this question searching for how to simply suspend/hibernate after a certain amount of time (and not automatically wake), this seems to work on ubuntu 22. Aug 17, 2023 · My laptop's battery drains very quickly from time to time. Dec 30, 2020 · Hi James, Great tutorial, thanks! The other day I installed a music server on an old notebook running Ubuntu Server 20. Oct 17, 2016 · I'm trying to run a script in /etc/pm/sleep. issue. May 25, 2011 · There is a major difference between suspend and hibernate, suspend saves the snapshot of present system state into ram and your hard-disk power will be turned-off (ram, mother-board, cpu) will be powered on, while when you press the power button it reloads the snap shot saved in ram with in seconds based on the system capability. Because it doesn’t require power, it really is like a bear going to sleep for the winter. 10 (at least):#!/bin/sh # # This script runs when an ssh session opens/closes, and masks/unmasks # systemd sleep and hibernate targets, respectively. That’s the normal expected behavior but it may not work all the time for reasons known to Ubuntu gods. and it's faster. Added in version 239. 04 LTS, I successfully used the following to disable suspend: sudo systemctl mask sleep. To be clear, the computer is completely powered off with Hibernate. Feb 17, 2021 · Generally speaking I would expect this option to be set by default to deep by default (as indicated by [code]) on all Linux operating systems, simply because when one sets the /sys/power/state option to mem, one would expect the system to write the contents to memory (i. This was done on Legion Y540 (GTX 1650 with Nvidia drivers - 418 (no IGPU) /Ubuntu 20 LTS/ Kernel 5. session idle-delay 0 sudo /bin/systemctl mask sleep. screensaver ubuntu-lock-on-suspend false NOTE: The above question and this answer is for Ubuntu 18. service(8), systemd-hybrid-sleep. service(8). The history: When I had an iBook more than 15 years ago, I got used to just closing it and re-opening at any time. sleep. Most things work well, but, under Gnome, suspend and hibernate do not work. You can only suspend an instance for up to 60 days before the VM is automatically stopped. Aug 31, 2010 · Hybrid-suspend is the process where the system does everything it needs to hibernate, but suspends instead of shutting down. screensaver ubuntu-lock-on-suspend If the result displayed is true then set it to false using: gsettings set org. i915. Alternatively, we can suspend the system to disk: Feb 16, 2017 · In this state the computer does not require power. I believe the issue lies with intel_idle. Suspend Mode Suspend mode, also known as sleep mode, is a power-saving state where the system appears to be off but can be quickly resumed. May 15, 2024 · This article will explain the key concepts of suspend and hibernate, how to detect the current power-saving phase, and how to configure Ubuntu to use suspend-then-hibernate mode. Given this definition, the name Hibernate seems to make a little more sense. Actually, I have noticed that the recent versions of Ubuntu are smarter in this sense. Mar 18, 2024 · We can use rtcwake to suspend the computer to either memory or disk and wake it back up at a specific time. Fn combination on the keyboard to wake the laptop back up. During hibernate the state of the system is saved to disk, the system is fully powered off. However, I would prefer to keep the "suspend when lid is closed" option since I also use the laptop without the docking station. 4/ latest BIOS as of date) P. log 2>&1. This is primarily helpful for "suspend-then-hibernate" where the value of the variable will be "suspend", "hibernate", or "suspend-after-failed-hibernate" in cases where hibernation has failed. 6 days ago · You cannot suspend an instance by using the standard processes that are built into the guest environment. By default, when you choose hibernate from within gnome, the command pm-hibernate will get called. Writes all data to RAM, computer goes to sleep quickly and wakes up instantly. Thanks for your help! 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