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0
votes
1answer
32 views

RAM limited to 12GB by motherboard?

I want to add more RAM to my motherboard (ASUS P6T) and I was looking through the manual and found this under the specifications: I'm guessing this means 12GB total? I asked somebody else and he ...
0
votes
1answer
14 views

Vendor devices produce limitation by MAC address?

Maybe it is silly, but I wonder if the first 3 hexadecimal values in MAC address represent vendor id (in 01:23:45:ff:ff:ff it is 01:23:45), is there a limit of 16777215 (ff:ff:ff) devices per vendor?
-1
votes
1answer
25 views

Limitation in number of entries in System variables Windows 7 64-bit

i've encountered that there might be a limit of how many entries you can have in System Variables in Environment Variables, can someone verify my suspicion? I'm not talking about how many characters ...
1
vote
1answer
29 views

what happens if a usb is re-connected too many times?

I read somewhere that USB and eSata have limits to how many "pairing" is can have. does this mean if it's ejected and re-inserted into the slot more than 1500 times it will just stop working? or does ...
0
votes
1answer
20 views

Linux limit instances per user

Is there a way to limit number of instances of a particular program user can run? Example, I have installed game server on a server and I want to give permission to another user to run at most 2 ...
0
votes
0answers
56 views

How to increase maximum file open limit (ulimit) in Ubuntu?

Currently ulimit -n shows 10000. I want to increase it to 40000. I've edited /etc/sysctl.conf and put fs.file-max=40000. I've also edited /etc/security/limits.conf and updated hard and soft values. ...
0
votes
1answer
58 views

error, couldn't create file .. File name too long

How can I increase the maximum length of a filename in linux? I'm trying to download a torrent file, and apparently because it's Cyrillic, the file name hit's the limit. error, couldn't create file ...
0
votes
0answers
39 views

Outlook on a MAC and the 1GB limit

While waiting for MS Office 2014 to arrive and address the 1GB limitation, has anyone written an AppleScript for detecting file size on an Outlook file/folder to send a threshold exceed warning ...
0
votes
2answers
111 views

Does Lenovo T400 can only work with up to 4GB RAM?

Does Lenovo T400 can only work with up to 4GB RAM? On the detailed specifications for the Lenovo T400, it says "512 MB, 1 GB, 2GB, or 4GB memory" and "Supports up to 4GB maximum memory". Is it for ...
1
vote
1answer
108 views

NTFS and ReFS limitations

As far as I know, by design NTFS supports partitions containing up to 2^64 clusters. But NTFS implementation in Windows XP and later is somewhat limited by Windows stack which can address 2^32 ...
4
votes
1answer
94 views

Limit to number of files in the Recycle Bin?

A couple of weeks ago I was carefully deleting an old backup of my data drive. I did a duplicate-file check between the old backup and the live copy and deleted the old copies to the Recycle Bin. It ...
0
votes
0answers
37 views

How can I give priority in nginx for certain ips?

I want to download files from one server to another, my problem is that in peak time my servers are in high network load and the speed is not so great. How can I give priority in nginx for certain ...
0
votes
0answers
218 views

Set Downloading Files Size Limit

Hi i am working in Online Add Posting job, i have problem all people in working time start downloading movie, etc so i want to block downloading or set the maximum downloading file size so people are ...
1
vote
2answers
108 views

How much can data be compressed? [closed]

Is there a scientific limit to how much data can be compressed? What i mean is, compression is essentially representing a larger amount of data ith a smaller one, such as representing a=abc b=def ...
0
votes
1answer
160 views

Linux Shell Speed/Bandwidth Limit

I use Debian 6 - 64bit and I've been using "trickle" for limiting my download/uploads speed on different kinds of programs like "wget" or "ftp". But now I want to reduce speeds for different kinds of ...
2
votes
2answers
530 views

Can file system performance decrease if there is a very large number of files in a single directory (NTFS)?

I have heard that file system performance (on a NTFS partition) can start decreasing if the number of files in a single directory becomes very huge (eg : >= 10.000.000 items). Is it true ? If true, ...
1
vote
1answer
300 views

Is it possible to limit number of emails per user per period on Exim?

I'm wondering if it's possible to limit number of emails allowed from a specific email account on Exim (maybe set a 20 email per hour limit for [email protected]). I'd like to see if I can use this as a ...
2
votes
0answers
92 views

Limit user bound ports to arbitrary ranges

Is it possible to allow user to bind only certain ports? For example, I was trying to achieve this: user1: can bind only on ports 4001 and 4002 user2: can bind only on ports 5001 and 5002 and so ...
5
votes
2answers
1k views

Is there a limit in rar password size?

I am using a program because of a rar password that i've forgot and it's skeeping passwords tries because of length. Is that a limitation because it's shareware or is there really a limit in the max ...
3
votes
0answers
477 views

Cannot increase maxfiles limits on Mac 10.7

I an only set lower values for the launchctl limit maxfiles. I try launchctl limit maxfiles 2048 2048 and nothing changes: $ launchctl limit maxfiles maxfiles 500 500 $ launchctl limit ...
0
votes
0answers
53 views

what are sane open file descriptor limits on linux?

Where can I get good guidance on sane values for open file descriptor limits on linux. We have users asking for massive numbers as their limits and I am unsure of the impact of this and what should ...
0
votes
1answer
381 views

What is the largest file I can write to a DVD?

I am creating an archive of a large file set using the 7-Zip command line tool, and I am going to write the archive to DVDs (2 sets, to be safe). Assuming exactly one file (a part of a 7-Zip archive) ...
5
votes
2answers
1k views

Does the 4 GB RAM limit on 32-bit systems also affect the swap space?

It is well known that 32-bit systems can only handle 4 GB as maximum amount of RAM. Under Linux, does this limit also apply to swap partitions? If my RAM + swap exceeds 4 GB, will it be fully used? ...
1
vote
1answer
74 views

How can I find the actual amount of free file directory spaces in a FAT32 folder?

I understand that there are approx. 64K possible files in a FAT32 folder. This assumes 8.3 file names. Longer file names take up multiple slots. Therefore, it is difficult to know how many actual ...
0
votes
1answer
52 views

Setting “limit” in folder-hook

I'm trying to use "limit" by default when entering given mail folder. So far the only solution I found was using push, like: folder-hook rss 'push "l!~R<enter>"' But that just seems wrong - ...
6
votes
1answer
4k views

How does windows “limit” the CPU (Power Options / Battery saving)

Can anyone explain how Windows effectively limits the CPU? Last time I tried some tricks to let my laptop not overheat, so I tried limiting the CPU to 70%. As for my suprise it stopped my laptop ...
2
votes
1answer
248 views

Working with dates in Excel older than 1900

Are there any workarounds for working with time and date data prior to January 1, 1900? Excel seems to just assign my values dates in 1900 rather than keeping them intact.
1
vote
1answer
378 views

NETGEAR DGN 1000 Limit Usage Per System

How to limit the data usage per system per day connected to my NETGEAR DGN1000 router(modem)? Please share some ideas. I can also use a dedicated computer if you can propose how to route all the ...
2
votes
1answer
879 views

What is the difference between “stop the task if it runs longer than” inside Trigger and under Settings tab?

When I schedule a task in Windows Task Scheduler, I can set "stop the task if it runs longer than" inside task trigger or inside Settings tab. If I set it inside the trigger it does not automatically ...
0
votes
2answers
169 views

isp overriding netbios

I have a Thomson TG789vn v2 router and a weird way ISP (ASK4, UK) wants me to use it. They are telling me to connect their cable to Ethernet 1 slot and disable DHCP on the router. When I do that ...
0
votes
1answer
171 views

ISP 5 Device Limit … again

Sorry for the delay in responding to the suggestions that were posted in my first question (ISP 5 Device Limit - double NAT the solution?). I've been travelling and have not been able to try anything. ...
1
vote
2answers
209 views

limiting the hard drive read speed for a program c++

Is there a way to limit how fast a program can read from files without slowing the program itself down?
1
vote
2answers
338 views

ISP 5 Device Limit - double NAT the solution?

I have asked this question in response to another question here ( 5 Max connections/devices to the internet? Is my ISP limiting me somehow? ), but thought I should start a thread to see if I can get ...
1
vote
1answer
2k views

How to limit disk usage (Write/I/O) by application? (NOT space usage)

I'm really annoyed by not being able to do a few jobs at a time even if I have plenty of RAM and CPU left to utilise - so it's the disk usage, for example when I am extracting big archives using ...
2
votes
1answer
98 views

Limit a user to VI and Tail

I'm running a server on centos 6.0 and I'm looking for a way to limit ssh access of one user to only tail and vi and only in their home folder. I found some guidelines to the home folder part but ...
1
vote
2answers
326 views

Where can I limit the processor usage of a process that is copying files?

How can I limit the processor usage limit for the copying process when it is running? My friend and I are planning to get a PC to host servers and we need to know how to limit this usage to the ...
1
vote
1answer
4k views

How to limit max bandwidth per IP/MAC address

I have a client who would like to offer free bandwidth to his clientèle but limit the amount of downloaded bandwidth by either MAC address or IP address on a given day. Believe it or not, bandwidth is ...
28
votes
2answers
15k views

Is there a fix for the “Too many open files in system” error on OS X 10.7.1?

I need to get rid of the pesky "Too many open files in system" limit on OS X 10.7.1.  Is there a way?
0
votes
1answer
919 views

vsftp on RedHat (CentOS) - Is there a way to set up file-size and number of files quotes for anonymous uploads?

We have vsftpd service on our server but I didn't find a way to put limits on file size and total space available for anonymous file uploading (doing it via an account will make it harder - as our ...
1
vote
3answers
4k views

Zyxel P-660HN-T1A modem limits only wireless connection to only 8 devices

I have a Zyxel P-660HN-T1A modem, which connects to my ISP. I have an 8-port ethernet switch connected to it and other laptops connect via Wireless. As soon as upto 7 laptops connect to the modem, the ...
-4
votes
1answer
108 views

Where is the cpu's limit ?? [closed]

Some years ago, some people said cpus reached their limit, and any improvements were impossible, because of temperature problems And then we got multiple cores ! But again, what are cpu's limit ?? ...
2
votes
1answer
68 views

is there any software to establish N percent of internet speed to the processes?

I'm interesting to find a software to control my internet speed usage that would limite each process to use percent of internet speed. or even any (speed or volume) limitation that would set to each ...
0
votes
2answers
2k views

Rate limiting bandwidth per IP

First, I am not that good with computer. I even had problem with Windows PC. Right now I own a restaurant which happened to offer free internet. My ISP has my connection setup using a Ubuntu 11.1 box. ...
2
votes
1answer
221 views

Directory transfer from Linux -> Windows; 255 Character limit error

I need to copy a very large directory from a linux server to a windows machine; the directory is very large and contains directories that go as deep as having 50+ subdirectories. So as you could ...
2
votes
1answer
5k views

Is there a way to bypass the 256 kB limit for a custom Windows 7 login screen?

When you use a custom background for the login screen Windows 7, the size of the image file is limited to 256 kB. Is there any way to bypass this limit? Warning: Before answering this question, make ...
4
votes
3answers
922 views

how to limit find command's output used with option -print0

I'd like to limit output of find command. In the past I used to use for this ls command, e.g: ls *tgz|head -100|xargs -i mv "{}" ../ but I got to know that the result may be unpredictable if name ...
1
vote
0answers
72 views

Why are there limits to scaling relational databases? [closed]

It is often repeated that the Big Data problem is that relational databases can not scale to process the massive volumes of data that are now being created. But what are these scalability limitations ...
1
vote
0answers
235 views

Bandwidth Sharing 2 pcs ( linux and windows )

Greeting All How can we share bandwidth between 2 pcs ( a windows pc and a linux pc ). We have one adsl connection. We would like the users to share bandwidth when both are active and when only one ...
0
votes
2answers
104 views

max folders I can store inside a folder in a linux server

Is there a logical limit as to how many folders I can store inside a single folder in a hosting server (linux)? I`m talking about tens of thousands of folders.
2
votes
1answer
2k views

Can MP4s be 480p?

If I’m not mistaken, as a container format, MP4 videos should be able to contain videos that are 480p. Also, from what I am able to find, the MPEG-4 video format does not have a limitation that ...