General :: Multiple Tmpfs Mounts And Reasonable Settings For /tmp?

Jul 17, 2011

My laptop now has 8GB of memory, so I think mounting a tmpfs over /tmp is a reasonable thing to do. I also want to prepare for getting a SSD in the near future.The computer has a 1GB swap partition and I've set vm.swappiness=20

1) There is also a tmpfs mounted to /dev/shm. Both have the default size of 50%. Is there a way to get /dev/shm and /tmp to share the same capacity without doing a symlink or bind?

2) Is the swap partition a good size (is that swappiness value ok)? What happens if /tmp runs out of room? Should I increase the swap size to something really large like 15G (because I have swappiness so low...)?

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General :: What Is The Reasonable Minimum Ram For Ubuntu In VMWare

Jul 21, 2010

I'm running Win 7 on 3G ram on my host machine

I need to open an Ubuntu 10.04 VM in VMWare 7 and it needs to stay open for whole day for accessing some sites and connections.

I won't serve anything, just uses putty and sometimes firefox.

I run it on 256 MB but did anyone managed to run it under this. I don't know too much about linux and its deamons.

How can i disable them and which are useless for me ? for example i can see that evolution related deamon is running but i did not open it ever.

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General :: Tmpfs Doesn't Get Mounted / Why Is So?

Apr 16, 2011

New vps with fedora 13

my fstab

none/dev/pts devptsrw00
tmpfs /dev/shm tmpfs defaults 0 0

first one works

tmpfs doesn't get mounted....
can't figure out why =

worked on fedora 10...

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General :: How To Create Consistent Snapshots Of Tmpfs

Mar 22, 2010

How can I create consistent snapshots of tmpfs or any RAM disks?

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Ubuntu Networking :: NFS Mounts Cause A Hang On Reboot Of The Mounts Are Lost

Nov 24, 2010

I have multiple ubuntu machines and I connect to one through an NFS share. I have done this for a few years without issue. However, since re-installing ubuntu and upgrading to 10.4 I have a problem with my system hanging when the remote shares are lost.

Basically, I can power down the machine downstairs, and my main machine then has a fit. I can not open any folders in ubuntu, nor can I shut down. If I try and shut down the system hangs, last time it hung for 8 hours before I had to kill the power.

These are the lines in my fstab

I don't know what I've done wrong, or how I can prevent this from hanging. I have googled the heck out of this as well and can't seem to find an answer either.

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General :: Allow Normal Users To Mount Tmpfs Under Subdirectories Of Their Home Directory?

Oct 11, 2010

How can I allow normal users to mount a tmpfs under any subdirectory owned by them?

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Hardware :: Reasonable Temperature (range) For AMD Phenom II X4 965

May 7, 2010

What is a good reasonable average temperature (range) for this processor? At what temp should I begin to worry?

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OpenSUSE Hardware :: 11.3 - Graphics Not Running At Reasonable Speed

Oct 22, 2010

On an old laptop I needed some package (pdftk) from 11.3 and so I upgraded. But I cannot get the graphics running at a reasonable speed now. This old laptop has a Radeon RV350 (mobility Radeon 9600 M10) as shown by lspci. The current ATI closed source drivers don't support this card any more but the legacy driver doesn't support the 2.6.34.7-0.4-default kernel anymore.

Using the open source xf86-video-ati driver gives me an unacceptable alternative:
Without a kernel boot parameter it's dead slow, glxgears shows only 200 frames/sec and my Opengl application (see below) is just unusable with this setting.

Adding the 'nomodeset' kernel parameter make the graphics much faster - glxgears reports 1800 frames/sec - BUT now my Opengl application freezes the machine (only a power cycle can revive it). I'm using the Python/OpenGL application "Impressive" to present pdf files.

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Fedora :: How To Reset Login Font To Reasonable Size

Jul 27, 2010

I am running Fedora 13 x86_64, and have been using the nouveau display driver.I have just installed the Nvidia driver using the easyLife application. Having already set up most things as I like, I only set easyLife to install the Truetype fonts and the Nvidia driver.the initial re-start was a bit nasty, the login screen fonts were huge and the desktop font also huge. I did manage to reset the desktop font size via System> Preferences> Appearance>Fonts>Details. The resolution was set somewhere in excess of 300, and I brought that back to 96 which has put the desktop back to normal.The login font size remains very large, and I have followed advice to set the DPI in the monitor section of xorg.conf 'Option "DPI" "96 x 96", but that hasn't had any effect.Does anyone know how to reset the login font to a reasonable size?

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Ubuntu :: Multiple Frontends Mess With Settings?

Feb 19, 2010

for the first time I've gotten my hands on a ASRock ION 330HT and set it up as a front end to my existing front/backend which sits in the living room. I have EVERYTHING working but I've found an annoyance which is probably as a result of one of my screw-ups.

Basically - the backend (/frontend) stores it's videos in the default /var/lib/mythtv/ blah blah blah. This has always worked. I copy my video files there, rescan and bob's your uncle.

With the ASRock, I'd like to store some files locally, so currently the videos folder is set to /var/jan/Videos. I'll work on smb mounting later.

When I scan that, the videos also show and bob's my second uncle.

HOWEVER. After the scan from the ASRock, my MAIN box also is looking for files in /home/jan/Videos (which doesn't exist there) and finds nothing. If I rescan - all is good again. Then going back the the ASRock, IT is then looking for the files in /var/lib/mythtv etc. and finds nothing.

Why should setting in EITHER frontend mess with the setting in the other? That kind of defeats the purpose of having multiple front ends with multiple hardware/software configurations right?

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Ubuntu :: Duplicating GUI Settings Over Multiple Computers?

Oct 12, 2010

I got my desktop all set up the way I like it, and it took a lot of tweaking and I can't even remember where I set all of the settings.

Is there a hidden file (or folder) or something like that in my home folder I can copy over to another Ubuntu machine to duplicate it?

I'm looking at settings like theme, colors, menu transparecies, etc.

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Ubuntu Installation :: Save Settings And Applications For Multiple?

Jan 8, 2010

i am trying to install ubuntu 9.04 on quite a few computers. all the computers need the same applications that i already have, as well as settings such as panel shortcuts and color schemes. there are no files like music or pictures, just applications already installed. i have all this on a bootable flash drive. all settings are saved. if i install from the flash drive will the settings transfer to the computer i am installing it on? if not, is there another way to copy all settings and apps or do i have to manually install everything on each computer?

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Debian Configuration :: Jessie Nvidia-settings Multiple Monitors

Aug 30, 2015

I've always used Debian with a single monitor and no need of proprietary drivers, because I usually don't do graphics or multimedia. Now I'm asked to set-up a machine with 3 nvidia video cards (770) and 4 monitors and everything went south. I started with just 2 monitors connected to 2 different video cards, not wanting to push my luck.

I installed a fresh Jessie and followed the instruction to install the nvidia drivers and tools from the Wiki. Everything went smooth. After reboot I executed (as root) nvidia-settings and I configured the two monitors to be one to the right to the other, with BaseMosaic option (at this point just one monitor was active) I saved the configuration to /etc/X11/xorg.conf , I even executed nvidia-xconfig as suggested, I rebooted and nothing happened, only one monitor was working, while the other -- looking again in the nvidia settings -- was still disabled.

I then tried with xinerama option and things are even worse, since now both monitors are black. I can login in one textual shell, but then I don't know what to do, since in my 10+ years of linux ... I never had to mess with X server. Is there a way to at least recover a working X without reinstalling everything?

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Ubuntu :: /tmp As Tmpfs Disables Unity?

Jul 30, 2011

so i've tried doing the whole /tmp as tmpfs thingy and it works!

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Ubuntu :: Multiple Screens - Grandr - Settings For Dual Monitors Lost At Restart

Jun 8, 2010

The 'Multiple Screens' tool, aka grandr, is very handy for setting up my dual monitors. But restarting my system restores the monitor setup to the (crummy) default settings. Is there a way to save these settings and make sure they are always applied when the OS boots? Putting these settings in my xorg.conf would be fine, but I'm not sure where or in what form the settings generated by grandr might be located, or if they're at all xorg.conf compatible.

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General :: Can't Chgrp In NFS4 Mounts

Jun 15, 2010

I'm using Linux in a large multi-user network. Let A be some group which I'm am member of, but which is not my primary group. According to chmod(2) I should be able to chgrp a file to group A. Trying to do so succeeds on a local as well as on a NFSv3 mount, but not on a NFSv4/Kerberos mount (EPERM). Are there any special considerations regarding chgrp when using NFSv4 mounts?

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General :: Monitor Disk Mounts ?

Oct 1, 2010

What is the best way to detect disk mounts?

I'm setting up a system to automatically detect disk mounts, so I'm looking for a file or something where disk mounting is recorded.

There are several files that look promising, but I am a LINUX novice, so I don't quite understand the exact roles each play:

Of the above files, etc/rmtab looks most promising.

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General :: Check If NFS Mounts Are Still Up And Running?

Apr 27, 2011

How do i check if NFS mounts are still up and running?

when i do the command MOUNT , i get some result, but how can i see (or check) if they still up and running? I'm not so familiar with this command, so i hope that someone can guide me

I know that there must be some NFS links mounted, so if one fails, i need to see that with like an echo or something.

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Hardware :: Difference Between Swap And Tmpfs Filesystem?

Jun 30, 2010

can anybody clarify my doubts what is the difference between swap and tmpfs filesystem??

also what is the use of /dev/pts and /dev/shm ?

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Software :: Creating A Tmpfs Without Root Privileges?

Mar 14, 2010

I've grown rather fond lately of creating tmpfs here and there to speed up various activities. (I think it is awesome that RAM can be mounted to a directory!) The downside though, is that this requires root privileges. I don't really like this because then I either have to go root each time I want a tmpfs, or I have to add a new line to fstab each time I want a tmpfs in some new, odd place. (This becomes doubly weird when the odd place is somewhere like inside my personal home directory.) Is there some other utility out there that can mount RAM as a filesystem, but allow mounting to be done without root privileges? It seems like this shouldn't be an issue, since a normal user has the ability to create and manipulate directories as well as borrow as much RAM as he wants.

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Red Hat :: Tmpfs /dev/shm - File Deletion And Size Determination

May 6, 2010

1) In our tmpfs /dev/shm we have what seem to be unused/stale files. Can these be safely deleted by using 'rm'.

2) How is the space calculated for tmpfs /dev/shm?

So for instance if we have unused/stale files are these in the calculation of space used? Red Hat Enterprise Linux Server release 5.4 x86_64

Fs Size Used Avail Use% Mounted on
tmpfs 32G 25G 7.9G 76% /dev/shm

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General :: Fedora 13 - Cannot Get Any Of The Resolutions Settings To Look Right On Separate X Screen With The Nvidia X Server Settings Gui

Aug 21, 2010

I am using Fedora 13 x86_64 on a Acer Aspire 7730ZG laptop with: 01:00.0 VGA compatible controller: nVidia Corporation G98 [GeForce 9300M GS] (rev a1) I have kmod-nvidia-2.6.33.6-147.2.4.fc13.x86_64-195.36.31-1.fc13.2.x86_64 installed from rpmfuison when I plug in the hdmi cable to the tv, my tv says the resoultion is at 720p, and I can not get any of the resolutions settings to look right on seperate x screen with the nvidia X server settings gui. my tv is a vizo 42inch. also another question is their a way to set the video card to output at 1080? this might be part of my problem?

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General :: /bin/mount Mounts Point As A Different User ?

Dec 11, 2010

I have a directory, /root/backup, that I mount and run a bunch of rysnc scripts against to backup my box. I'm running into a very recent problem where when I run this command:

A directory that once looked like this:

Goes to this:

It changes from root to www (another user on my system) and I have no idea why.

When I look at the /mount/procs file, I see this:

So it looks like the uid is correct...

I believe this is what is causing my rsync scripts to fail (they only copy over directories and not the files in those directorys and I get a lot of permissions failed errors)

All of this is run as root in cron jobs

As a note, here is a sample rsync command:

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General :: Creating Mounts And Having Them Stay On Boot Up

Feb 10, 2011

How would i use LVM to add these mounts for example?

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Red Hat / Fedora :: Difference Between Swap Tmpfs And Sysfs Filesystem?

Jun 30, 2010

can anybody clarify my doubts what is the difference between swap , tmpfs and sysfs filesystem?? also what is the use of /dev/pts and /dev/shm and ?

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General :: Change Permissions And Ownership For NTFS Mounts?

Apr 19, 2011

I finally replaced my Windows with Linux.. However, I need to run applications and modify files that are on NTFS mounts. I am unable to change ownership, permissions, and groups on these files so I may modify them without having to copy. I have several times attempted to chmod, chgrp, chown, etc.. while logged-in as root user; however it is to no avail. The owner and permissions are still geared towards root. can I change ownership and permissions on NTFS files so I can modify them without having to convert/copy them over to ext4 or different file system?- Matbtw: I am using OpenSuse 11.4 and running Windows apps with VirtualBox (with Vista installation image). I still have Win7 on my computer (non-emulated) and I would like to keep some files on those NTFS partitions so when I occasionally need to boot into Win7 I can modify those files because Windows blows and doesn't support Linux.

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General :: Fix Filesystem Mounts That Are Missing The Nosuid Option Where They Should Have It?

Mar 22, 2011

I have these file systems mounted without the nosuid options set.

debugfs on /sys/kernel/debug type debugfs (rw)
/dev/mapper/KusuVolGroup00-DEPOT on /depot type ext3 (rw)
/dev/mapper/KusuVolGroup00-HOME on /home type ext3 (rw)
/dev/mapper/KusuVolGroup00-VAR on /var type ext3 (rw)
/dev/sdb1 on /home1 type ext3 (rw)

Do I set the option in the fstab files or set the files directly.

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General :: NTFS Mounts But Can't Remove Files/directories?

Feb 9, 2011

this is my first post and I am not sure if this belongs here or in hardware.Now for the main post!

setup:
Dell Demension 4400
Intel(R) Pentium(R) 4 CPU 1.60GHz, 1 cores

[code]...

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Red Hat / Fedora :: Tmpfs / Ramfs Partition Sync To Remote Storage

Nov 18, 2010

My linux system is running from the ram (ramfs/tmpfs). Crated a partition type 'tmpfs'. Processes are reading/ writing from/to this partition files. I am looking for utilities to sync this partition to the remote storage regularly (say, once in 10 sec). Normal copy command will produce partial files, if the copy is getting executed during a write operation.

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Software :: Udev And Tmpfs Fail On Custom Kernel - Docs Misleading ?

Jul 19, 2010

On boot, udev is giving a mount error. It appears to not have control of the /dev directory. This was finally traced to bad kernel compile, but some questions remain. Bogus information has been removed.

The kernel was built with tmpfs (CONFIG file had CONFIG_TMPFS, compiled kernel probably did not, this has been fixed.)

My system runs, probably because there is a valid /dev directory tree copied from the original 2.4.31 system.

After boot, I am getting 3 udevd running, according to "ps -A".

After re-executing /etc/rc.d/rc.udev I see only one udevd at a low id number (625).

Previously I had 2.4.31, which had udev and it was mounting using ramfs.

My fstab has:

On my previous 2.4.31 these fstab lines were:

I have been running Slackware since 1996. This is Slackware 13.1, running on a Sempron/Athlon K8, VIA chipsets. I have been fighting with this install for 2 weeks now. If I have to I will disable udev and live with a /dev directory that I setup by hand.

If udev does not have a tmpfs over the top of /dev, does it use the /dev on the harddrive or does it just fail some other way ?

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