Ubuntu Installation :: Make /tmp Buffer Larger?
Mar 16, 2010
I have read that if /tmp is too small, videos choke, and other problems occur.
On my machine, one of the problems was that I couldn't download things because /tmp got full and when I went in to delete some tmp files, I wrecked the system...(not too intuitive I guess).
So this time around, how can I increase the size of /tmp, as well as have it emptied on startup?
I don't want to have it emptied on shutdown, because if I get a crash, the /tmp will still be full...shutdown just doesn't seem to be a reliable place to put essential housekeeping tasks.
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Sep 8, 2010
Is there any way to make the power Icon at the top right of gnome panel larger in 10.04? This has been a problem for a while now. For people with less than perfect eyesight (my mother) it is far too small to be functional. Increasing the size of the panel to something useful on a large screen increases the size of most icons also, but the power button remains resolutely tiny. Another problem for her is the selection of window edges (too be honest, I find this frustrating myself) The selection area is incredibly small on a 22" screen and impossible for her to select.
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Dec 15, 2009
I'm using puppy Verson 430. When I open a "console" window the lettering is too small to read comfortably. How do I make the font larger?
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Jul 10, 2011
My KDE Menu can only fit 8 app. Beyond that I have to scroll the favourite menu.How can I make it larger and fit around 16 app list while retaining the same icon size (i'm happy with the size).I'm full time linux (kubuntu 11.04) for over a week now, still changing and tweaking interface to my taste.In windows, I can fit around 20+ in start menu, here I couldn't find a way.
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May 3, 2011
Using Samba I have looked into the file that stores all my web sites, there were a few strange files that get larger and larger all the time. File names are _Za01716 and _Za01820, they are nearly 50mb in size now. I know these are not Log files so what are they and can I delete them?
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Jun 6, 2010
I just installed Lubuntu 10.04 on old PC (CPU: 700 Mhz, RAM: 640 MB). My swap partition is only 474 MB. I was told it should be twice my RAM, if that's true then I'm really low on swap space. Can I expand my swap space? I also have Fedora 13 installed, it has a 1.3 GB swap partition, can I have Lubuntu use this partition?
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Jul 14, 2011
i am using the following command to backup and sql file:
tar -zcvf "$BACKUP_DST/$FILE_NAME.tgz" "$BACKUP_DST/$FILE_NAME.sql"
i want to make sure the compressed file wont be larger then 300mb, if it exceeds 300mb, split it into several files.
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Jun 12, 2011
how do i change resolution in Zorin to make the text larger.
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Jan 24, 2011
I use a program which makes a large image which I have to scroll to view. The program has no way to save the image, and I have no access to the source to modify it. The only way I have to get the image from the program is by screenshot. My goal is to save the full size image without having to piece together individual screenshots. I'm using this script to try taking a screenshot:
#!/bin/bash
window=$(wmctrl -l | grep "Program$" | awk '{print $1}')
wmctrl -v -i -r $window -e '0,0,0,6030,5828'
wmctrl -i -a $window
import -window $window ~/Desktop/screenshot.png
This uses wmctrl to get the window id ($window) for a window named "Program". It then tries to resize the window to the desired dimensions. It uses imagemagick (import) to save a screenshot.png on the user's Desktop. All of this works except the resize step. I can resize the window using wmctrl -r -e, but sizes greater than the screen size don't work. I'm using Ubuntu 10.04 and the Gnome Desktop. I run two monitors, but I've tried this with one of them disabled. Is there a way to resize the window larger than my screen to get a huge screenshot?
Part II: I tried using xrandr to set up screen panning, so as to have a bigger desktop than my monitor. xrandr --output LVDS --panning 2600x2500 This command makes the laptop screen pan over a 2600x2500 size desktop, even though it can only show 1440x900 at one time. To turn off the panning, I can use a similar command to set total size and with zeroes for the panning section. This gives me back my original laptop display behavior. xrandr --fb 1440x900 --output LVDS --panning 0x0 This is all done with xrandr, and does not require any Xorg.conf changes (my Ubuntu system doesn't even have an Xorg.conf).
My video card seems to only allow about 6.5 million pixels, even though the maximum dimensions are 8192x8192. That maximum seems to be the maximum for either dimension, but there is a limit to how many pixels can be drawn, which is the width multiplied by the height. Once I did the screen resize, I tried my script again and got a screenshot. The screenshot however is totally scrambled. I'm not sure if it's unable to take a screenshot of an off-screen window or if it is unable to handle the large dimensions of the window. With the panning display, the window should think it is visible, and the window manager should think it is on-screen. So there is a pixel buffer somewhere with those pixels in it, so there should be a way to get a screenshot.
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Feb 16, 2011
I have a ubuntu 10.10 server with apaceh2 and php and I want to open a file larger than 2gigs
I've read there is a flag that needs to be compiled into php to do this ?
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Feb 9, 2011
I am using Kubuntu 10.10 although I will probably revert to Ubuntu when 11.04 arrives as I can't get my head around so many things, and it does crash from time to time. The real reason is I work with photos a lot and the icons won't show me the picture. But I will come back and try again in a year or so as, on the whole, I do like what it is about. I am trying to increase the size of the desktop folder but cannot see any way to do this.
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Jul 27, 2011
I'm trying to use Pinta Image Editor but I cannot find an option to preview the image, in a viewable size, before I work on it.
what to do in this situation? Prefferably it would be nice to view all the pictures as thumbnails.
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Jun 8, 2010
i can just swap my old one out for a larger one?
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Nov 23, 2010
I have recently been experimenting with installing Ubuntu 10.10 on a USB/Flash drive, and have finally stumbled on the "Universal USB Installer", using a so-called "Casper" file for persistence.Now I wanted to make the Casper file bigger, and found this article:I was reading it, and got confused at this part:"This tutorial assumes that you have already created a bootable USB Flash Drive that contains Ubuntu or an Ubuntu based Live Distro like Xubuntu, Kubuntu, Linux Mint, Crunchbang, etc. You should delete any existing casper-rw file from the drive to free up all available space before proceeding.
1. Restart your Computer, booting from an Ubuntu Live CD"Do they mean that you have to make 1 flash drive that was created with the Universal USB Installer, and has a Casper file on it, AND you have a Live CD from which you operate?If so, could I use one flash drive that acts like a Live CD (without the Casper file), and create another flash drive that DOES have the Casper file, and then boot from the one without, and follow the instructions? (Sorry for the complex sentence, didn't know how other to put it...)
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Sep 27, 2010
how to migrate my whole server to larger hard drives (i.e. I'd like to replace my four 1TB's with four 2TB's, for a new total of 4TB instead of 2TB)... I'll post the output from everything (relevant) that I can think of in code tags below.
I'd like to end up with much larger /home and /public partitions. When I first set up raid and then LVM it seemed like it wouldn't be too hard once this day arrived, but I've had little luck finding help online for upgrades and resizing versus simply rebuilding from a failure. Specifically, I figure I have to mirror the data over to the new drives one at a time, but I can't figure out how to build the raid partitions on the new disks in order to have more space (yet mirror with the old drive that has a smaller partition)... don't the raid partitions have to be the same size to mirror?
Ubuntu Server (karmic) 2.6.31-22-server #65-Ubuntu SMP; fully updated
Code:
cat /proc/mdstat
Personalities : [linear] [multipath] [raid0] [raid1] [raid6] [raid5] [raid4] [raid10]
md5 : active raid1 sdd5[1] sdc5[0]
968952320 blocks [2/2] [UU]
[Code].....
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Mar 12, 2011
I have noticed the (understandable) tendency of new Linux users to think about disk drives in the 'Windows way'; their first thought is to exchange a new drive for an existing one, rather than combine both drives for a larger 'file system'.
There are times when replacing one drive with another is indeed the correct action (aging drive, failing drive, slow drive, etc). But in other cases it may be preferable to use the inherent strength of the fstab (file system table) file to combine physical drives to become a larger 'file system'.
Lets first look at a user with an 8 gig netbook who is running out of space. Rather than replace the 8 gig flash drive with a 32 gig device, the old and new devices can be combined to yield a 40 gig 'file system':
This same principle can be applied to a user with a computer using an 80 gig hard drive, and who 'adds' a new 320 gig drive instead of replacing the 80 gig drive with the 320 gig drive:
This same principle can also be applied to building a massive 'file system' without the requirement of using RAID:
The above 12 terabyte system can be built using a basic motherboard with four open SATA ports and four 3tb hard drives. No server based equipment is needed; no raid hardware or software is required. This is just something that Linux does (and does very well).
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Nov 10, 2010
I created a start up USB and I try to install it on a computer I have, however, everytime I try I get the following error repeated...
[35.877830] end_request: I/O error, dev fd0, sector 0
[35.877869] Buffer I/O error on device fd0, logical block 0
emulate the USB using the force FDD option. I tried emulating a hard drive instead but then it doesn't boot up into ubuntu.
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Jan 29, 2009
Create symlink /dev/root and then exit this to continue the boot sequence.
Buffer I/O error on device sr0, logical block *******
sr 4:0:0:0 [sr0] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE,SUGGEST_OK
sr 4:0:0:0 [sr0] Sense Key : Medium Error [current]
sr 4:0:0:0 [sr0] ASC=0x10 <<vendor>> ASCQ=0x90
end_request: I/O error, dev sr0, sector 1395920
Clocksource tsc unstable (delta = -499902943 ns)
loops that during install. new hard drive fresh out of box. WD 320GB 7200 Toshiba Qosmio intell core duo i've installed with this same disk before previous hard drive died. installed over windows vista. this time im trying to install solo no windows disk to reinstall with, F10 only. I've tried other distros as well, Mandriva one 2009, Dreamlinux, and this one. i've suspected hard drive controller went out but i can format and partition the drive. also the cd/dvd drive is bad but im booting from cd fine. tried removing the cd drive and booting from an external usb cd rom, same errors.
im about to deploy and need my computer up and running ASAP. 7 months no entertainment is not good. when i use a linux boot disk from Ultimate Boot Disk (UBD) i get an error of - hda status no response and something about invalid heads dreamlinux pushes past the error till i get the error about cant start x server. about my graphics
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Oct 3, 2009
i've just burned a livecd (fedora 11), but it doesn't work correctly.it says after i hit boot:
BUFFER I/O error on device sr0 logical block 352328
and then something else, which is similar so i didn't write it down.i read on bugzilla, that is should try to append the boot command with pci=nomsi, but it doesn't work for me
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Apr 30, 2011
I'm running Kubuntu, OS Version: Linux 2.6.35-28 generic KDE SC Version: 4.5.8
I have a large monitor, and the max resolution of KDE (1280 x 1024) doesn't fill the screen. That seems rather small for a max resolution. Is it possible to get a larger one?
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Feb 28, 2010
I have this file that is about 3.6GB, I'm trying to open it through wine. But it gives me an error saying I can't open it. I'm not sure if this is a problem with wine, or do I need some special code to put in the terminal?
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Mar 5, 2010
My main computer died a-few weeks ago as a result I've been using my net book as my primary machine.By and large this has been alright. However I recently plugged my 17" monitor into it, it works fine but I can't get the resolution larger than 800x60. Which is non ideal for the larger display I'm currently using.Does anyone have any suggestions for getting the screen resolution higher.I'm running an Aspire One with ubuntu net-book remix.
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Jun 14, 2011
I have a RAID 6 built on 6x 250GB HDDs w/EXT4. I will be upgrading the RAID to 4 2TB HDDs.
How would one go about this? What commands would need to be ran? I'm thinking about replacing the drives 1 at a time and letting it do the rebuild, but I know that would take a lot of time (which is fine). I don't have enough SATA ports to setup the new RAID and copy things over.
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Aug 13, 2011
I currently use Xubuntu on a dual boot system, a laptop. The hard drive is to small (30 GB shared between Xubuntu and windows), so I want to clone the existing drive, but I do not want to clone windows.
I bought a 120 GB hard drive, and want to dump windows totally. If I download clonezilla and burn it to a cd, can I instruct it to only clone the Xubuntu system? I think I would run clonezilla from a cd, download everything to my USB drive, then remove the small hard drive. Then, install the bigger drive and restore everything to the newer and larger drive. Will this work??
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Feb 13, 2011
I've been working on getting another OS installed on my computer for one of my classes (OS specific assembly instructions). To get this OS running, I had to start using a GPT rather than a MBR table. I backed up my Ubuntu partition (ext4) using the old-fashioned dd command. I've since been able to get everything working again after a dd restore.
The problem is that my original Ubuntu partition was only about 50GB and the dd image only takes up 40 GB. After I restored the image to the new drive (146BG), gparted is reporting 119GB used and only 26GB free. What can I do to reduce the size of my install to 40GB again?
When looking at the disk in baobab, it says the the filesystem is only 47.2 GB and that only 20.9 GB has been used. This is likely what the old partition's breakdown was. So my new question is: How can I make the filesystem capacity (47.2 GB) equal that of the partition that it is on (146 GB)?
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Apr 27, 2011
I have considered a range of choices, but at the end of the day the choice I make can quite easily put into a situation that requires even more thinking.
The idea is to have an enormous file system for SAMBA that can scale from terabytes to petabytes. Such as a single directory with say 4 million MP3s in my iTunes collection. iTunes cannot use multiple drives easily.
There are lots of vendors that have offerings galore, I wanted to see what can be done with a roll your own approach.
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Jun 19, 2011
I'm sure that this is posted somewhere but I have not been able to find the right search terms. I have a Dell Vostro 1700 which has 2 physical hard drives. I installed Natty to the 1st drive and during the install I used the entire 2nd drive as /home. I would like to upgrade the 2nd drive to a larger faster drive. I have the new drive in a USB enclosure so that I can access both drives. I'm pretty sure I need to boot from the CD to do this. Then I need to copy all files unmount the small drive then shut down, install the larger drive and have the system recognize it as /home. I am just starting to creep out of N00B stage and don't want to screw this up.
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Mar 30, 2010
I have a debian-504-i386-CD-1.iso installation CD and trying to install on a new Gigabyte M68M-S2P motherboard with 2GB ram on a new 80GB IDE hard drive.
I am choosing the Graphical Install and after about one minute I see a message:
Not using MMCONFIG
BIOS Bug: MCFG area at e0000000 is not reserved in ACPI motherboard resources
Then after a few seconds another message: Trying to enable the frame buffer Then it just seems to hang the system
I have the latest BIOS installed for the motherboard and tried loading the BIOS fail safe settings and also the optimized settings.
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Jun 30, 2010
I erase XP and do a clean install of 10.04 netbook remix on my Acer AspireOne. Almost everything seems to be working ok (so far.....3hrs after installation and still testing!) except for:
1: My main partition is formatted as ext4, and when I try copy back any (video .iso !) file that is larger than 4.1 gb I get a memory error and so only copies the file incomplete up to 4.1 gb. I know this problem under windows FAT vs NTSF but I have read that ext4 was beyond this... So what did I do wrong? Is the solution to switch the ext4 to ext3 and can this be done without loss of installed programs or files.
2: Video and Sound with video is not good. Lots of disturbance/turbulence and for sure not optimal for both video and sound.
3: my internal micophone is not working in Skype but it does with Sound-Recorder...I connected external mic and this works, but with lots of disturbance. Also the voice sound from telephone calls sound is not as should be.
The "hardware drivers" utility tells me that all is good and no proprietary drivers are in use on the system.
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Oct 16, 2010
I have a problem with K9Copy's back up system it cannot seem to shrink a DVD9 down to 4.7gb to fit on a standard 4.7gb DVD Disk, how to correct this? As it renders K9copy totally pointless for me.
PS: This issue didn't exist on Ubuntu 10.04LTS
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