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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700 views

i2c-hid i2c-SYN1B7B:01:01 failed to retrieve report from device - problem during boot, device stops booting

My laptop is configured to dual boot Windows 8 and Ubuntu 14.04. Windows 8 works fine, but when I try to boot into Ubuntu, sometimes, boot gets stuck at: i2c-hid i2c-SYN1B7B:01:01 failed to retrieve ...
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1answer
60 views

Swapping for best performance

I have Ubuntu on my laptop for like 10 days. I'm new to Linux. So I'm interested about getting better performance of my laptop. Laptop: DELL: Intel CPU i7-4510U 2.00x4 , Graphics: Intel Haswell ...
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2answers
60 views

Why does the installer make an extended partition for swap by default?

Every time I've done a clean default install of Ubuntu or a variant on an MBR type system, I end up with a system partition and a swap partition. The installer always tucks the swap partition inside ...
2
votes
2answers
2k views

Ubuntu 15.04 installation stuck in a loop because of missing swap partition?

I say "because of missing" swap partition, but I am not sure about that. That's my hypothesis at the moment. Read on to understand the full context. I am attempting to install Ubuntu but it appears ...
1
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0answers
112 views

Swap is super slow on Xubuntu

Swap is somehow super slow on xubuntu. I have 8GB ram running vivid 15.04 Xubuntu. When ram usage reaches around 7+gb ... the hdd light goes crazy (actually, it just stays on) and stuffs get dumped ...
0
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1answer
217 views

Maximum RAM for my Ubuntu and laptop? [duplicate]

My laptop is Thinkpad T400, and running 64 bit Ubuntu 14.04. I wonder if there is no limit of the RAM size that I can use in my laptop? Now I am running Windows 8.1 in VirtualBox, which takes 2GB RAM,...
1
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0answers
65 views

How to swap Caps with Left Control and change layouts using Caps Lock+Swith (grp:shift_caps_switch)

I already tried a lot of methods for changing this and none of those worked. I used xmodmap and setxkbkey but it both ways there's always problem with setting it. However, using those methods don't ...
2
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0answers
368 views

15.04 Swap won't “stay decrypted” (both Disk and Home Directory encrypted)

I just installed Ubuntu 15.04. During installation, I enabled both full disk encryption and home directory encryption. I then proceeded to install several applications. While installing these with ...
0
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2answers
721 views

creating swap partition, convert primary partitions to logical

I tried to install Ubuntu 14.04 into my laptop which already has got windows 8 installed in it. I had a 30GB free space and I allocated 29 out of that 30 as primary partition for Ubuntu. I wanted to ...
1
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0answers
26 views

Why does my Eee PC try to mount the extended /swap partition?

In PCManFM on the left side there is a volume called "1,0 KB Volume". When I click on it, it shows an error message that it can't mount /dev/sda2, but /dev/sda2 is extended partition with the swap ...
0
votes
1answer
23 views

Swap not working even after following previous advice

I have previously posted a question in which solsTiCe showed me how to setup a swap on a GPT partition. It worked for a while but now I am having problems again. The swap was not detected again. I ...
4
votes
0answers
323 views

Slow shutdown caused by cryptswap

After upgrading to 15.04 my computer takes a very long time to power off. Hitting escape during shutdown shows messages like so: (1 of 6) A stop job is running for /dev/disk/by-id/dm-uuid-CRYPT-PLAIN-...
0
votes
1answer
455 views

Ubuntu 14.04 too slow and laggy!

I have Lenovo Ideapad y510p and have dual boot Ubuntu 14.04 with Windows 8.1 and I uses Ubuntu for all my work specially for developing Android apps, I have 8GB of RAM and 9GB for swap, but it's so ...
6
votes
2answers
3k views

Add a swap partition post-install 15.04

I installed 15.04 onto a lvm partition with the mount point / and /boot onto a separate unencrypted partition. Can someone list the steps (clearly please) to set up a swap partition post-install? It ...
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2answers
431 views

Encrypted SWAP partition creation after ubuntu 15.04 installation, 15.04 installer bugs!

Today I decided to install clean copy of 15.04. Using the installer partitioning tool, I created an encrypted luks system volume, then created an unencrypted SWAP, clicked continue, then got an error ...
0
votes
1answer
33 views

Swap Partition: What to do with two different swaps, one of them encrypted?

I installed Ubuntu for the first time a few months back, and I have recently begun to really try and learn how my system works. So today I have been reading about Swap Partitions and so I have been ...
2
votes
2answers
159 views

Ubuntu Swap Partition on HDD

I'm installing Ubuntu on my SSD and don't want to waste space on a swap partition because I have 16GB of ram, nor do I use hibernation. But as a precaution, would there be any drawbacks if I created a ...
3
votes
2answers
482 views

Realistic working swap for 128GB RAM?

I've just installed Ubuntu 15.04 on a new 240GB SSD, and immediately noticed that /dev/ubuntu-vg/swap_1 on the resulting installation is 137GB. That seems excessive, even counter-productive, but ...
0
votes
1answer
34 views

How do I find out why I get anytime the same error message from an original Ubuntu script?

Swap2Ram.sh always produces its error message, even when I have enough ram left. Any ideas? #!/bin/sh mem=$(free | awk '/Mem:/ {print $4}') swap=$(free | awk '/Swap:/ {print $3}') if [ $mem -lt $...
1
vote
1answer
2k views

ZRAM vs. regular swap partition

I don't fully understand the functionality and the potential advantages of zram. For example: once zram is activated, what percentage of memory will be dedicated to paging? Another issue: obviously ...
1
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1answer
266 views

swap option missing while installing in ubuntu server 14.04 lts

There is no option to select swap partition while installing the server version....I have tried all the possible ways to check the option and not found anything. Is their anyway to enter manually
3
votes
2answers
251 views

Deleted Swap, now boot takes forever

Running Ubuntu 15.04. I was receiving messages about my root / partition running out of space, and so I looked up how to allocate more space to it. I followed the answer to this question: How to ...
0
votes
1answer
147 views

Neuroimaging Use: How big for partitions (root, home, swap) and some other Qs

I will be using my Ubuntu for neuroimaging use. This is my first time using -- I've been using Macs for the last few years so am not familiar with using Ubuntu on a regular PC. A few questions: Are ...
0
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1answer
282 views

Encrypted swap partition not available

How should I correctly set up my encrypted swap partition? How can I ensure that the setup persists? I'm running 14.04 using encrypted home folder. I noticed that occasionally my machine would ...
2
votes
1answer
5k views

Install Ubuntu 15.04 with full disk encryption, but without swap partition

I have a laptop with 16GB of RAM, but SSD is only 64GB. I need to install Ubuntu 15.04 with both standard options - "Encrypt the new Ubuntu installation for security" and "Use LVM with the new Ubuntu ...
1
vote
3answers
101 views

Can Red Hat and Ubuntu Share swap

I already have Red Hat installed. When I install Ubuntu, the swap area for the already-installed Red Hat was identified by the Ubuntu installer, and the default option is to "Use as: swap area". The ...
1
vote
1answer
287 views

How to re-setup swap partition in GPT system

I installed Ubuntu 14.04 as dual boot on my windows 8 acer desktop pc. I am sure I set up a swap drive but now if I do swapon -s I don't seem to have a swap partition. Upon sudo fdisk -l I get: ...
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0answers
101 views

default ubuntustudio 15.04 install crypto passphrase works fine except for swap

I did a fresh install of ubuntustudio 15.04 (64b), with activated encryption. I sometime get a request to provide a passphrase for ubuntu--studio--vg-swap_1, for example if I execute sudo service isc-...
0
votes
3answers
120 views

Windows 8 doesn't show in GRUB 2, Bootrepair didn't help

I've spend the entire day on this problem, probably because I'm relatively new to Ubuntu. I installed Windows 8.1 after Ubuntu. First I wasn't able to start Ubuntu, but after Bootrepair I was. ...
0
votes
1answer
249 views

Swap does not work in Kubuntu 15.04

I've installed Kubuntu 15.04. It seems that swap doesn't work: free -m: total used free shared buffers cached Mem: 3706 3109 596 197 ...
0
votes
2answers
319 views

Is it safe to delete a Swap Partition on a USB install?

I have a Ubuntu 14.04 installation on my 32gb USB drive. I recently read that having a Swap causes a lot of reads and writes to the drive making the OS slow and reducing the lifespan of the drive. ...
3
votes
3answers
3k views

Can't boot after upgrading to 15.04

I'm an amature linux user, so excuse my ignorance. After upgrading to 15.04, the screen hangs on the Ubuntu loading image and then finally goes to a black screen with the following: [ 1.595012] ACPI ...
3
votes
1answer
3k views

Swap doesn't seem to mount after update

I updated to Ubuntu 15.04 and now my swap partition does not seem to mount. I'm not an expert, but it looks like the partition does not seem to have a UUID anymore. How do I get the swap partition to ...
1
vote
1answer
104 views

How to delay mounting swap after boot?

systemd-analyze blame showed me that mounting swap took 9.125 seconds. I cannot disable it because I'm using hibernation a lot. But I'd like to delay mounting it for 5 minutes after boot. Is that ...
0
votes
1answer
191 views

Too much swap, how do I change it?

I'm new at Ubuntu and I'm fiddling around with Ubuntu Server 14.04. I'm trying to get it to run a Minecraft server, but whenever anyone joins, it starts skipping ticks and players reported heavy block-...
1
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1answer
43 views

How to recover an HDD after using it for SWAP

Last night I was working on my linux box using a CFD solver where I needed more than the 16 GB RAM that I already have installed. So I took one of my external HDDs (total of 360G capacity with about ...
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votes
1answer
583 views

First time installing Ubuntu. Partition. Do I need swap area? I only have SSD

I want to install Ubuntu on my laptop (Thinkpad X201). I already have Windows 8 on my Laptop, so it will be a dual boot. My laptop has 4 GB RAM and a 120 GB SSD, but no HDD. My question is, for ...
1
vote
1answer
192 views

restrict memory usage to prevent swapping

I have an SSD and 8GB memory, and no swap partition. My normal use never ever needs more than 3-4GB. However from time to time I observed that some memory-leaking programs can still freeze the system ...
0
votes
2answers
48 views

I Cant resize my main Partition [duplicate]

I Want to Make my Swap partition bigger, I didn't know exactly what swap was until I looked it up, So I set my swap partition as only 100 megabytes, I then learned that that is positively puny ...
1
vote
2answers
2k views

Gparted - How to move partition to extend the size

I want to extend the sda1 to take the full unallocated size: The steps are as the following: Move sda2 to the right Increase the size of sda1 to fill the space But the thing is, I didn't get ...
1
vote
3answers
355 views

How much space to allocate to the swap partition? [duplicate]

I am currently installing Ubuntu on a new dedicated server with 8GB RAM. How much space should I allocate to the swap partition? The server will be used to handle 50,000 visitors monthly. (Not sure ...
2
votes
1answer
45 views

How to check if there is already a swap area?

I am using Ubuntu 14.04 on my laptop with 4 GB RAM. I had chosen option to "replace Windows 8 and install Ubuntu with LVM" when installing Ubuntu. Now I wanted to create a swap partition, I executed ...
0
votes
2answers
52 views

Can't overwrite swap

i have ubuntu desktop 14.04 LTS and i want to encrypt my 7.88GiB swap partition (sda6). Before encrypting i need to overwrite it, to make sure no important data is left on the partition. For this, i ...
1
vote
0answers
222 views

the disk drive for /dev/mapper/cryptswap1 is not ready yet or not present is showing

On a new elementary os installation the swap is not available. I tried all the remedies offered here: What to do about "the disk drive for /dev/mapper/cryptswap1 is not ready yet or not present&...
0
votes
1answer
148 views

I should have 20GB of swap space, but I apparently have no swap space at all

When I installed Ubuntu I set aside about 20GB for my swap space. However, when I run the top command I am told that I have no swap space at all. Here's the system summary provided by top: top - 16:...
2
votes
1answer
659 views

Can Ubuntu 14.04 use encrypted swap without resorting to unofficial hacks?

On a fresh install of Ubuntu 14.04, I get this error message during boot the disk drive for /dev/mapper/cryptswap1 is not ready yet or not present and the swap partition is never activated. From ...
6
votes
2answers
674 views

Graphics stuttering issue in Ubuntu 14.10 for Intel on-board graphics

I'm running Ubuntu 14.10, and for the past couple of days, I'm facing graphics stuttering all over Unity, which mainly affects text and various parts of Unity (refer to screenshot). And this ...
0
votes
1answer
24 views

Swapping disks between different systems

I am going to swap my laptop's drive for my desktop's drive. Both run a 64bit 14.04 distro. My laptop has an Intel Celeron CPU while my desktop runs on a AMD A6 CPU What are some things that I need to ...
0
votes
1answer
256 views

Shifting from Windows 7 to Ubuntu 14.04.2 LTS

First of all I know that there are many questions like this, same topic, but I have some confusions, I will explain them in details my computer http://www.mediafire.com/view/f6drfnivlmwgmyx/...
4
votes
1answer
222 views

Order of partitions on drive? [closed]

I plan to partition my hard drive into efi, /, /home, and swap. If considering the beginning of my disk is faster than its end, how shall I arrange the order of my partitions? Should / be as ...