Unix systems, and other Unix-like operating systems, use the term "swap" to describe both the act of moving memory pages between RAM and disk, and the region of a disk the pages are stored on. In some of those systems, it is common to use a separate whole partition of a hard disk for swapping. These ...

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Increase existing Ubuntu Partition into Swap space [duplicate]

My dual boot (with XP) Ubuntu 12.04 installation ran well for 18 months. It was allocated 25Gb (ext4) + 25Gb (swap) in the first instance using GParted. About 2 months ago I received a warning that it ...
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103 views

swappiness is zero but swap is still used unnecessarily

On my Kubuntu 12.04 system with an SSD, I have swappiness set to zero (as reported by cat /proc/sys/vm/swappiness), but occasionally the system will begin to use swap, even though memory usage is only ...
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26 views

Crashing when opening settings app and missing letters

every time I try to open the settings application my ubuntu crashes (15.10 64 bits installed, 14.04 64 bits in live usb and 14.04 32 bits also in live usb). All those systems crash when I open ...
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23 views

Does Ubuntu encrypt swap partition when installing with encrypted home?

When I install Ubuntu, I can check the checkbox with label "Encrypt my home folder". Does this option make Ubuntu to encrypt swap partition too?
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1answer
28 views

Increase linux-swap partition for hibernation

I am having problem when I hibernate Ubuntu 14.04 . I want to increase my linux-swap memory to 25-30 GB. Currently it's around 15 GB as it can be seen in the picture below. My RAM is 8 GB. Can anyone ...
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136 views

Why swappiness=10 is not the default in Ubuntu desktop? [duplicate]

According to Ubuntu's swap faq, the default swappiness value is 60. However, "(...) Reducing the default value of swappiness will probably improve overall performance for a typical Ubuntu desktop ...
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1answer
25 views

Why Ubuntu auto swapon swap partition?

I have a standard Ubuntu installation. After that, I disable swap entry in fstab. But, when power on the computer, Ubuntu automatically use that swap partition. Sometimes it does that, sometimes it ...
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0answers
15 views

Lock application data to swap

Is it possible to lock the app data in swap? App data: it means the data loaded by operating system to the ram to run it. I am using Ubuntu 15.10 and my laptop has only 2GB ram. I am thinking that ...
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2answers
553 views

Sharing SWAP and /home beteween Ubuntu 15.10 and Kali Linux 2.0

I am currently running Ubuntu-15.10 on my machine and I am planning to install KaliLinux alongside Ubuntu. I would like to know 2 things before I proceed. (As both Questions are related and similar, ...
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47 views

Hard freezes when RAM is exceeding

I have 8GB RAM, when memory is exceeded (chrome + vbox + something else): hard mouse freezes permanently lit SSD led in 90% of cases I can't login in tty, system without any response, necessary to ...
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7answers
2k views

Is swap area required? Can we install Ubuntu without a swap area? [duplicate]

I bought a new Lenovo B50-80 laptop with 4GB RAM, 500 GB HDD preinstalled with Windows 7 Professional. I would like to install Ubuntu alongside the existing Windows 7. For that when I tried to create ...
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1answer
84 views

Upgrade to 14.04 causes “the disk drive for /dev/mapper/cryptswap1 is not ready yet or not present” - Computer can't start: Live Disc Repair Option?

I am a relative newbie who used Ubuntu 12 a few years back on an old Dell to install Bitcoin Armory for Cold Storage. When recently deciding to retrieve a coin, I also took it out of storage, i.e. ...
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1answer
28 views

How to resize disc after permanently disabling swap

My computer has 16GB of RAM and only 32GB of memory on SSD drive so I want to get rid of those 16GB of swap that was automatically created. I have succesfully disabled swap memory following How do I ...
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1answer
260 views

Ubuntu 15.10 - high ram usage

I am writing because I have no idea what going on with my favourite os, Ubuntu 15.10 with the kde desktop. The problem affect ram usage in normal work (chromium/firefox browser with few cards and ...
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1answer
203 views

How to change zram size?

I installed zram with sudo apt-get install zram-config. After that it started automatically and when I verified with cat /proc/swaps it's running properly But when I used sudo echo 128M > /sys/...
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1answer
53 views

How to check if the swap partition is being used correctly in ubuntu 15.10

when I throw the command 'sudo swapon -s' no error or nothing shows up. I resized my primary partition and deleted my swap and reacreated it updating the values in the fstab file.......I would like to ...
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2answers
87 views

How do I hibernate with swap file without swapping?

Well, I know that my question title is not clear so I'll explain. . Background: I have a laptop with dead battery. (Won't even charge) It also have dead hard drive. (Thrown away) And have 1000MiB RAM ...
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1answer
46 views

I resized partition and deleted swap area , how do I update the /etc/fstab file to reenable swap?

This is my current fstab file content: # /etc/fstab: static file system information. # # Use 'blkid' to print the universally unique identifier for a # device; this may be used with UUID= as a more ...
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16 views

Why is it that my pc will not install grub or a swap partition?

When trying to install a different version of Ubuntu my PC tells me that an error has occurred will trying to create a swap partition, why?
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1answer
29 views

Cannot Remap CapsLock after Swapping with Ctrl

I've remapped my caps lock key so that development in Emacs will be much faster. To do this, I edited /etc/default/keyboard to include: XKBOPTIONS="ctrl:swapcaps" This swapped the Caps lock key with ...
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0answers
12 views

UBUNTU SWAP vs. Vsphere SWAP .vswp

I am really a newbie. I am found the .vswp swap file in the datastore and I have installed ubuntu as the OS. Unfortunately, I couldn't find the swap partition on the ubuntu OS. I really couldn't ...
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1answer
41 views

Set primary swap partition

Can I somehow set Ubuntu to use the first swap partion in /dev/sdb and only if not available (or full), use the swap partition on /dev/sda? /dev/sdb is not always mounted so it is necessary to have a ...
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0answers
23 views

How can you setup encrypted swap with swapspace?

Command swapspace can be used to have dynamically sized swap memory, but how do you setup encryption with it?
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2answers
38 views

How can I get just the “free swap” value from the output of the “free” command?

I know that free -m will print all the free and used memory values, including the values for Swap. However, I want to only get the numerical value for the amount of free swap on my system. How can I ...
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1answer
18 views

swapping keyboard using alt+shift [duplicate]

I need to know how to swap between languages in Ubuntu 14.04.3 using command line .
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41 views

Swap partition loaded but not listed in fstab

I'm in the process of moving my swap partition between two disks and I encountered this behaviour that makes me uncomfortable removing my old swap. I'd like to know: If I can safely remove the swap ...
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0answers
32 views

Force push process to swap

I am running Ubuntu 12.04 on Chromebook. There is couple semi-unneed processes like Google Chrome running in background which I can't just mask via 'chmod -x' or kill since they respawn again (anyway, ...
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0answers
14 views

Server can't start after SWAP encryption

I'am using an encrypted/server with Dropbear SSH to enter my key. I would like to encrypt SWAP partition in that way : fdisk -l Device Boot Start End Sectors Size Id Type /dev/sda1 ...
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0answers
12 views

Erase swap memory storage when app load decreased

I have enough RAM for most purposes, but sometimes I inevitably get carried away with the number of apps and tabs I have open, pushing short-term memory storage into swap. I'll then do an inventory ...
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1answer
25 views

sharing swap partition on network

I have an HPC including a server and about 20 diskless computing nodes. The server has a swap partition. I wonder if I could use this swap partition over network (ie. using NFS) to be used by ...
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0answers
29 views

Swap Goes Nuts and Blocks Whole System

When my RAM gets near full, the system starts swapping (as you'd expect). HOWEVER when it does that the disks go berserk and the entire system becomes utterly unresponsive, sometimes for 15 minutes ...
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1answer
94 views

Unable to set default value for swappiness

I have an Ubuntu 15.04 64bit with 4GB RAM. I do not have a separate swap partition, but a swapfile of 8GB. The system recognizes the swap. I have tried to set swappiness to 15 by adding it to the ...
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0answers
41 views

Ubuntu 15.10 boots slowly

My problem is that I recently installed Ubuntu 15.10 in my PC. At the begging, the OS booted quickly, but few days ago, I've seen with Gparted that there was a swap partition of 3,7 G. My PC has 4GB,...
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25 views

Swap not available says System Monitor

I am having trouble when I play videos on my browser. I guess this may be due to low memory. I have 2GB of ram, and I had created a swap partition during the installation. I don't remember its exact ...
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0answers
53 views

GParted - unable to create new partitions (grayed out)

I'm trying to create a new swap since the old one seems to be set up incorrectly. It takes over 90 seconds to boot in because it's running some process at the start. If I comment out swap in fstab, ...
3
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2answers
184 views

Swap partition not used on fresh Ubuntu 14.04

My system is freezing when the memory used is maxed out and I was wondering why. Turns out the swap is not being used. Here's my partition table: Device Boot Start End Blocks ...
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0answers
25 views

Swap multiple keys -> Caps Lock with both ctrl and escape

As newbie developer, I try currently to get familiar with both Vim and Emacs editors. Vim was the first one (for several months up to now), I got used to it, I have some nice plugins and snippets for ...
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1answer
95 views

Removing Swap Partition after Ubuntu has been installed

So my question is when removing my swap partition sense it is after my boot partition how do I combine it with my root partition? Do I have to run off a Gparted Live cd but how would I go about ...
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0answers
58 views

Unable to enable swap in Ubuntu MATE 15.10

I recently installed a fresh copy of Ubuntu MATE 15.10. I chose to encrypt my Home folder, upon using the system I noticed my swap partition was not enabled. I checked my /etc/fstab and saw it had ...
1
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1answer
28 views

lost swap and no idea why

I'm running an Ubuntu 14.04 LTS on a DELL Inspiron 7. I was happily browsing away, when all of a sudden the laptop turned off as if someone unplugged the power. I reboot no problem, but I noticed, ...
3
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1answer
94 views

Formatting the loopback device?

I'm very new to Ubuntu, I used the Windows installer to install it aside with Windows 7. I chose the same partition as it has enough space. I got this message when the computer rebooted and I'm afraid ...
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1answer
27 views

how can I increase my swap space in this sitution? [duplicate]

I have 16gb Ram,but I need 48gb....so I should increase my swap space to 32. Can I? I ve tried to use Gparted but it's sth such as lock (or mount)!!!! tnx please see this shot
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1answer
139 views

Increase ext4 partition size by decreasing Swap memory size in linux [duplicate]

I was a newbie while installing linux mint 17.2 in my laptop. So I allocated more than 20GB for my swap memory and 30Gb for ext4 partition. Now only I realized that swap memory is using instead of RAM ...
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0answers
111 views

Error when hibernating : “PM: Swap header not found”

I am using Ubuntu 15.10. My swap partition: $ swapon -s Filename Type Size Used Priority /dev/sda2 partition 3144700 2460 -1 and in /...
0
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1answer
301 views

Ubuntu taking way too long time to start

So, I have a Dell laptop. Core i5 4th Generation and 8GB RAM. I recently installed Kali alongside Ubuntu and Windows 10 and then when I booted from Ubuntu (15.10 with Gnome) again it took a VERY LONG ...
4
votes
2answers
369 views

Size of swap partition for 4GB ram

I got a notebook with 4GB RAM and i want to create a swap partition with the exact same size, using gparted. gparted has GiB and MiB as units. is the correct amount 4 GiB or 4.295 GiB?
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0answers
48 views

Swap is still being used heavily although swappines has been set to 5

I run ubuntu on 4 Gb of RAM, and found the system still using 20% of Swap although the RAM is only 57% full and swappiness set to 5. The result of cat /proc/sys/vm/swappiness is 5. Is this is ...
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0answers
16 views

How do I get rid of this delay after deleting my swap partition?

I deleted my swap partition recently with gparted. Now when I bootup, there is a 15-40 second hang after I choose "Ubuntu" from the grub menu. It just says this ACPI probe or something message that it ...
0
votes
0answers
66 views

Performance penalties of using zram on a high-memory machine

I've heard zRAM does wonders in low-memory machines, like allowing to have 20 tabs open in a browser window without swapping or OOM - all that even without noticing that zram has kicked in! I am ...
0
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1answer
101 views

Do I Really Need A Swap Partition? [duplicate]

I am about to format and manually partition my hard drive for Ubuntu for the first time. I have 16GB of RAM. I am wondering if I should even allocate a swap partition? Should I just make a root ...