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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57 views

Does Ubuntu limit svn process memory if ulimit returns unlimited?

I am trying to commit a file using svn it crashes with an Out of memory error. I am running Ubuntu 14.04.1 and have 6G memory, 6G swap partition and 12G swap file. I am able to use svn to commit ...
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2answers
44 views

How can I save a swap?

I have Linux at my school and I must go from 1983 to 3007 with swapon. I did that but if I reboot the system it is not saved. how can I save this?
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50 views

Ubuntu 14.04 stuck in black screen for a minute before booting. According to dmesg, mounting swap partition is delaying the boot process

Ubuntu is taking at least a minute to boot. I checked the dmesg output and it seems that mounting swap takes a long time. I can't seem to figure out why this is happening? Dmesg output is as follows:...
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0answers
17 views

Installing U14 Server on external drive wants to use internal drive for swap

I'm installing U14 Server onto an external drive that is connected to my MacBook Pro. I already have OSX running side-by-side U14 Desktop (using rEFInd) and therefore have an existing swap partition ...
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0answers
86 views

Adding swap takes 90 seconds?

Adding SWAP takes 90 seconds on my Lubuntu 14.04 machine. I dont know why this happens, it makes my computer boot very slowly. How can I resolve this? My RAM is 2 GB, HD is 250 GB with only one ...
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0answers
32 views

Is there a Swap Manager built into 15.10?

There is a bug 1464917 that affects many including me. I think it is related to orphaned data in swap. I am looking for information on how the system manages these orphaned files left in swap in ...
5
votes
1answer
266 views

Permission denied when changing swappiness

I'm trying to set my swappiness to a more reasonable value than 60, but I get errors: root@server1:~# sysctl vm.swappiness=10 sysctl: permission denied on key 'vm.swappiness' root@server1:~# swapoff -...
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0answers
45 views

Swap being used and performance sluggish even though I have 8 gig of RAM?

I have read Why is swap being used even though I have plenty of free RAM? the thread, which was very helpful, however I have 8 gigs of ram installed, (mentioned in the thread as masses of ram), and am ...
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0answers
28 views

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 ...
0
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1answer
122 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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0answers
29 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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25 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
34 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 ...
0
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0answers
154 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 ...
0
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1answer
27 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 ...
0
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0answers
17 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 ...
5
votes
2answers
607 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, ...
1
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0answers
56 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 ...
12
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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 ...
0
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1answer
97 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. ...
1
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1answer
31 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 ...
1
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1answer
274 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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2answers
262 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
58 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
139 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 ...
1
vote
1answer
47 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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0answers
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?
0
votes
1answer
30 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 ...
0
votes
0answers
13 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 ...
3
votes
1answer
45 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 ...
1
vote
0answers
24 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
40 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 ...
0
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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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0answers
48 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 ...
2
votes
0answers
33 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, ...
0
votes
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 ...
0
votes
0answers
13 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 ...
0
votes
1answer
29 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 ...
0
votes
0answers
30 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 ...
0
votes
1answer
120 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 ...
0
votes
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,...
0
votes
0answers
26 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 ...
0
votes
0answers
62 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
votes
2answers
218 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 ...
0
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0answers
26 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 ...
0
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1answer
107 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 ...
1
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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
vote
1answer
29 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
votes
1answer
102 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 ...
0
votes
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