General :: Change Amount And Size Of Ramdisks
Mar 8, 2011
Using Linux, when I boot I automatically have 16 16MB ramdisks, however, I would like to create one really large ramdisk to test some software.I found that I can adjust the size of the ramdisks already on the system with the kernel boot parameter ramdisk_size however, this makes all 16 ramdisks (/dev/ram0 - /dev/ram15) the size that is specified. So if I want to create a 1GB ramdisk, I would need 16GB of memory.Basically, I want to create one 10GB ramdisk which would be /dev/ram0. How would I go about doing that? I assume there is a kernel boot parameter, but I just haven't found it.
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Aug 5, 2011
These following ext3 partitions contain identical data. As we can see, the larger the partition size, the more space is required for the same files:
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/loop11 3965777 561064 3199964 15% [...]
/dev/loop19 573029 543843 29186 95% [...]
[code]....
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Apr 9, 2011
How to get output of text file containing account number, debit amount, credit amount,date using shell script?
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Dec 30, 2010
I know that an initial ramdisk contains drivers and modules required for accessing hardware before the root partition can be mounted. If the initial ramdisk is stored on the root partition, then how is it accessed, if the initial ramdisk is required to mount the root partition? Wouldn't statically compiling the drivers required for accessing the root partition defeat the purpose of the initial ramdisk?
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Jul 26, 2009
I have a CentOS5 server with a 1tb hard drive.There is only 80gb of data on that huge drive and now I want to make a bare metal recovery backup using AcronisMy question is, how can I estimate the amount of time the backup will take and the size of the image file? Is it based on the size of my drive or is it based on the amount of data on the drive?
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Mar 6, 2011
what configuration file stores the volume percent amount that multimedia keys (like XF86AudioRaiseVolume) change? The current setting of 11% is too high for me.
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Oct 22, 2015
today I upgraded via official testing repository Gnome to version 3.18. After this, icons on desktop and nautilus are bigger, than before. Next thing, gaps between icons are smaller than before. I tried change theme to default (Adwaita), then run gtk-update-icon-cache, but without result.
Normal view - icons are big for this view. URL....
Small view - icons are still big for this view. URL...
How can I change icons size and gaps size? Or is it bug for this version?
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Aug 6, 2010
How do I change amount of display Hertz in VC? I have a conjecture that it's not the same as in GUI (on my computer). Ubuntu 10.04, Gnome. if not Debian, but at least it's close.
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Mar 22, 2010
There seems to be a limit of 2 gb on files. Im trying to add my music files and have about 7 gb. Is there a way to make a file that will allow the extra info.
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Jun 19, 2011
The default physical extent (PE) size is 4MB in LVM (I am using CentOS 5.x). How to change physical extent size to 128 MB?
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Nov 17, 2010
I was wondering how to change the xterm font size and may be the font itself. Also we go to tty1 when we press Ctrl+Alt+f1 , f3 and so on. Is there any way I can change that too and maybe change the colour of the font and the size of it. I did change the resolution once in ubuntu with startup manager. I'm using fedora 14.
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Jul 10, 2011
I installed Ubuntu on my Netbook. I like it to use the Terminals. I don't mean the "GUI-Terminal-Emulators", I mean those I can open with "Alt+FX". There the font size is to big, so I changed it with "dpkg-reconfigure console-setup". It worked, but after restart the font were "reseted" and big. Is there a way to permanently change the font size?
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Sep 27, 2010
How to change the GV menu font size? (not the document font size which is set by scale). man and info don't mention anything about this.
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Apr 12, 2010
How to change the size of desktop/window fonts in Puppy Linux 4.1?
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Jan 21, 2010
We know that, in a network, data transfer time is dependent on capacity of the receiving node. I have two Linux systems A (sender) and B (receiver) connected. I want to simulate congetion in a network, that means I want to increse the time taken to transfer some data. I believe, I can do this if I can reduce the capacity of the receiver node B. That perhaps possible by decreasing the receiving buffer size of B. How can I change the receiving buffer size of this linux system B?
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Jun 16, 2011
I was having a problem even loading my distro. It turns out I accidently installed wrong drivers (nvidia while I have an Itel chip set) So everytime NVIDIA tried to load it's module and screen setting, it forced a check (fsck) because it couldn't find anything for NVIDIA. I booted in recovery, Changed configuration. # commented out the NVIDIA section, and changed NVIDIA to intel in the display section. Which seems to have worked because it now loads without me having to go into recovery mode, however my screen is abnormaly large and I can only see the center of the desktop. Leaving me unable to reach the panel and change the settings.
Typing:
Code:
However when I do xrandr I get:
Code:
cannot open display
Is there a way for me to edit that and any ideas on why it may be doing that?
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May 12, 2009
Im in trouble with my ramdisk, because its to small for my application i want to cross-compile for an embedded system. in fact i have only a precompiled kernel and cant change the settings of the kernel. the kernel is configured for ramdisks with a maximum size of 20MB. i have a montavista toolchain but dont have a montavista distribtion, because its a way too expensive.
So .. the question. i want to try if its possible to use multiple ramdisks for my embedded linux. one ramdisk as root i already have. and the other as partitions or sth. if i start the kernel with exec 0x01600000 -c ".. root=/dev/ram initrd=.." it only boots with the given ramdisk. whre can i apply a second ramdisk to use as extra filesystem to gain more usable space? is this possible?
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May 2, 2010
I use two ramdisks one mounted in /tmp the other mounted as /ramdisk /tmp is used as a temp store for apps which need temp space /ramdisk is used to store copies of read only databases for processing. Files in here can be 10-500Mb in size.
I suspect that the O/S may be caching the files stored in /tmp and /ramdisk and thus is not efficient. How can I check if the O/S is caching ramdisk files and if this is the case how can I prevent it? Is there an option to say 'dont cache /tmp' ?
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Jun 22, 2011
I'm looking for a way to force my PS1 variable to a certain number of chars.
It currently looks like:
$PS1="W $"
and I'm trying to keep the same number of characters regardless of the length of current folder name.
For example, both Documents and bin would be displayed as 10 character strings, keeping the left side of my terminal the same width all of the time.
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May 22, 2011
Does anyone know which distro does not need too much space.I have 4G and so far lubuntu and unbuntu both need 4 or more.
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Jan 21, 2010
I would like to measure the amount of traffic my webcam is sending. What is the best way to do this? I tried iostat command, but i do not see the webcam traffic back.
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Jul 2, 2010
I need to know how to change the default size of /dev/shm on a 9.10 box. In previous versions this was controlled by the value in /etc/defaults/tmpfs but this no longer works. What is the correct method to change the default size?
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Aug 26, 2010
I have been having a lot of problems with disk errors and want to find a solution or more stable distro. I can not post the link yet since I am new but it is in the Ubuntu section of this forum and titled "Hibernate or spin down or hard shutdown causes errors." I am running Ubuntu 10.4 64bit on an AMD64 2.2gh.
I have been doing my research about distros and know a bit about what is going on with Linux. Sort of transcending past newbie I think. But I want to know what is the most stable distro for the least amount of Disk errors, or how to get ubuntu not to have so many errors. Maybe install the 32bit version? I want something fast and simple where I can run gimp/inkscape/openoffice/and maybe some of the video editing packages like Kino/piviti/cinerella.
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Apr 21, 2010
I want to make a new partion,my home is /dev/hda9,so I use the Partion Editor(Gparted) ,frist umount the device(umount -l /dev/hda9),then change the size,everyone thing works well until I clicked the Apply,the error occurred:
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Nov 5, 2009
I'm a student in a linux class and we just installed fedora. so far it's nice except that the work we do is in the CLI which I can barely see because it's so small on the screen! I've been squinting at the screen for a little while now but it's just proving to give me more of a headache and hurt my eyes than anything. Anyone know how to change the font size so that I can actually see the work I'm doing?
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Nov 16, 2009
I'm running OpenSUSE 11.2 on my Acer Aspire One with a 9 inch LCD. I have configured the monitor in Sax2 to reflect the size and 1024x600 resolution, and as a result the desktop fonts are all sized correctly.
However, the fonts on the KDM log-in screen are too large, and I'd like to reduce them if possible. Looking in the KDE Control Center, I tried using the Login Manager utility to adjust the KDM theme, but any changes I made seemed to have no effect i.e. changing the font size, or even the overall theme itself, still resulted in KDM using the default green OpenSUSE theme with large fonts.
Does anyone know, therefore, how to adjust the KDM font size or DPI in OpenSUSE 11.2?
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Jul 20, 2011
(I hope I am not repeating myself here, as I have tried to send this before but don't see the post): I now have upgraded to Suse 11.4 and I can't find how to set the console settings. It fills the whole screen, and the font is tiny. I am able to enlarge the font, but not to change the window size. Under 11.2, I was able to set the font, and an 80 characters per line, 40 lines window, and then make all that permanent.
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Jan 19, 2011
i wanted to change the size of the terminal like so whenever i open it up it will be fullscreen so i went at preferences and changed the size thing at the left (i think it was columns) to 700.Now whenever i open up a terminal the whole screen freezes and it logs me out.
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Feb 26, 2011
I have gparted but can't change my ubuntu partition.
I guess that's because I can't unmount it. And... I guess my Ubuntu won't work if I unmount it? xD
So... I heard that I could use a Gparted live CD to do this.
The only problem is that I can't boot from a cd/dvd drive.
So, is there a option to change the partition size while running Ubuntu?
Or is there a option to somehow unlock all BIOS settings?
When I try to acess the BIOS settings it ask for a password, and I just press enter... And I come to a menu where I can't change anything. Is this because of wrong password? Or is the password right but everything is blocked?
I mean, I can't change boot priotiy to cd/dvd just HDD and LAN.
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Apr 30, 2011
Does anyone know how to decrease the size of the title bar?[URL]..
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