General :: How Long To Zero A Drive With Dd

Mar 25, 2011

How long will it take to zero fill 1TB (using dd dev/zero)?

I'm actually doing two 500G drive simultaneously if it matters.

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General :: How Long Would E2salvage Take On A 1TB Hard Drive?

Sep 22, 2010

I managed to, in a bit of a "Oh shit, I'll lose my data" panic, be stupid enough to xkill the Ubuntu 10.04 installer while it was making an ext3 file system on my external hard drive. This drive was equipped with ext2, I had not set it to format (at least not consiously), and it had a LOT of data on it. Only half an hour after killing it I realized it might simply have been converting rather than formatting.

Anyway. Because this was my own fault I started searching for possible solutions. I tried e2fsck, ran testdisk and gpart, as well as several data recovery programs both from Windows and Linux. All I have been able to get back with that is a whole bunch of corrupted files and some music.

Now I have unleashed e2salvage on the beast, which so far has been looking promising, other than some "directory inside Inode table" errors. It found almost 20000 directories, and 174 directory beginnings.

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Ubuntu :: Hard Drive Working For A Long Time While System Is Idle

Apr 3, 2011

My hard drive all of a sudden starts to read and write all on its own for around 15 seconds at a time while at idle or while I am just browsing the net. At first I thought it was from cron running but I have that disabled.

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Ubuntu :: File System Check Failed A Long Is Being Saved /var/long/fsck/checkfs

Jan 9, 2010

just start Ubuntu 9.04 said: File system chek failed a long is beging saved /var/long/fsck/checkfs if that location is writable Please repair the file systmen manually A maintenance shell will now be started Ctr+ D terminate this shell and resume system boot. Give root password for maintenance or type Control +D to continue. I did Ctr+D , and after login said , that can not find /home. I starte with the live cd:

[Code]....

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Server :: How Long Does Hardware Raid Card (raid 1) Take To Mirror 1 TB Drive (500gb Used)

Mar 22, 2011

How long does hardware Raid card (raid 1, 2 drives)take to mirror a 1 TB drive (500gb used)?Is there a general rule of thumb for this?4 hours? 12 hours? 24 hours?

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General :: How Long Should A Backup Take

Feb 28, 2011

I was running grsync (rsync gui) to do a backup of my root and home partitions to a local external hdd. Home is currently 21.2 gb and root is about 60 gb, but the backup ran for nearly 24 hours before I canceled it, without finishing. How long should an 80ish gb backup take to do?

I made sure to disconnect other externals so they wouldn't be backed up as well. It was just my root and home being backed up.

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CentOS 5 :: X/Gnome Takes Long Time To Load And Sudo Takes Long Time To Execute

Oct 13, 2009

I am running Centos 5.3. I ran no updates, performed no installs, nor changed any configuration immediately prior to this issue. My problem is this: when I run the command startx (default runlevel 3), it is a long time (5-10 minutes) before Gnome startx, and once it does start applications will not run. Also, when I try to use sudo (from any environment, even ssh), it is a long time (5-10) before the command is executed.

I cannot say for sure, but it seems like this is an intermittent problem. Sometimes X takes a long time to start, but once it starts it will launch programs. Sometimes X takes a long time to launch, but once it starts it will only launch certain programs. Though presently X always takes a long time to start, and I cannot successfully launch any programs.

A while back a had a similar problem to this (x taking long time to start, sudo taking long time to execute) and it ended up being a DNS problem. Unfortunately, I cannot remember exactly what it was and I stupidly did not document it. Maybe this is also DNS related, I don't know.

I don't know what log files to look at for problems with X, Gnome, and sudo taking a long time to start.

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General :: How Long Are Files Kept In /var/tmp/, And How To Use The Directory

Jul 26, 2010

I'm always hesitant to use /var/tmp/, because I never quite know exactly how long the files are kept there for, or even what the directory is used for. What determines when a file gets removed from /var/tmp/, and how is the directory intended to be used?

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General :: How Long Was Keyboard Idle?

Nov 7, 2010

Suppose I am almost sure that from last Thursday, 3.00pm up to the same day at 10.00pm I was away from the machine, but not absolutely sure. Linux probably knows better than me. Maybe there will be a text file from which I could infer the keyboard was idle from Thu 2.40pm up to 11.10 pm. In this case, I would reach absolute certainty. But where could such file be in the /. tree or what could its name be (for in the latter case an updatedb followed by locate would do)?

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General :: Find Argument List Too Long?

May 12, 2011

I want to search in many many files for a string.

I used find /archive/* -print0 | xargs -0 grep 'robert' -sl

Is there a simple method to do it ?

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General :: Easier Way To Execute Long Commands?

Jul 29, 2010

I use a long mount command to mount a NAS drive but have to retype it every time I need to mount the drive. Because it is on my laptop I only need to mount the drive from time

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General :: Laptop Hangs After Welcome Screen (long)

Jun 12, 2010

I have two minor problems with Ubuntu which I've been running on my aging Fujitsu-Siemens Lifebook for a couple of years now.

First, I recently upgraded to v10.04 with no problems. However, I've just applied the latest updates via Update Manager and the laptop will now hang after the welcome screen.

There are no error messages, just a black screen and the case fan runs a full tilt until I force a shutdown. I've waited 5 or so minutes to see if it's actually doing anything but it would appear that it isn't.

The only way to boot the laptop is to choose an older Grub menu option, then it boots up fine. It may very well be a hardware issue because another (newer) laptop in the household has updated no problem.

Next, I tried to change the password of the admin account using "Users and Groups". It appeared to work but then I had to use the old password to log in again. On logging in I am prompted for the new password, the error message saying that the "token ring" password (I think it's token ring, I'm doing this from memory) doesn't match.

Again I can live with this quirk but it would be nice to put it right.

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General :: POverflowError: Long Int Too Large To Convert

Apr 30, 2010

I am trying to run a code that is giving the following error ....

Code:
OverflowError: long int too large to convert

I have found its solution at [URL]

But the procedure described there does not work.. There are problems in installing ruledispatch module...

I am using ubuntu-9.04...

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General :: Vim Takes Long Time To Start ?

Feb 23, 2010

I'm having trouble with Vim in any terminal emulator I use. I have a link (vi) to vim. Occasionally it will take very long to load, whether I use 'vi' or 'vi file'. Before, if I could I would restart X, and then it would load instantly again, but I waited this time and it did load, after a minute or so. Is this a problem with X or vim?

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General :: Why Does Changing A Truecrypt Password Take Such A Long Time

May 31, 2010

I am changing the password of a truecrypt file container. This takes around 1 minute. Why?

time truecrypt --text --change /tmp/user1.tc --keyfiles= --new-keyfiles= --password=known --new-password=known --random-source=/dev/null"

If I use strace I see that it basically does not do anything: it simply reads lots of random data from /dev/urandom (even if i specified /dev/null as random source) and finally changes the password:

open("/dev/urandom", O_RDONLY) = 6
read(6, "36&{35121221234320234313242312I326235245224300354O)270Q200 201J227224311_212367"..., 640) = 640
close(6) = 0

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General :: Find Command Taking Too Long On Ubuntu 10.10

Aug 11, 2011

The find command is taking too long on my machine to complete. When I use time command, I find that sys time and user time are too small as compared to real time. Is my find process not getting scheduled properly?

I interrupted the neverending find command and got the following statistics:

Real time : 5min
Sys time : 1.1 sec
User time : 3 sec

I was running

find / -name ls 2>/dev/null

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General :: Breaking Long Command Into Lines In Crontab

Oct 14, 2010

How to break strings of command into multi-lines in crontab? e.g.
Code:
# the following is a very long a gruesome command to be run at 09:59 Monday to Friday.
59 09 * * 1-5 source $HOME/some-definitions; sh /usr/local/my/long/name/application/bin/hello $(date +\%Y\%m\%d) >>/var/log/my/long/name/application/log/hello.log

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General :: Inserting Xml Data Into Mysql Taking So Long?

Jun 14, 2011

I have about 200k data entries in xml file. I wrote php script (using php-xml) to read xml file and insert into mysql. At first it went really quickly inserting, then after a while after inserting 100k entries, it slowed right down, just like it would not even doing anything. I have CentOs with 512M on VirtualBox running as server.

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General :: Getting Word Too Long Error While Sourcing Csh File?

Aug 12, 2011

I want to source this file but getting error message as word too long,kindly solve this question. set path=(/user/lib/usr/bin /bin/usr/ucb/etc/usr/ccs/bin/$path)

setenv DOCUMENTUM /home/kotresh/dctm
setenv DOCUMENTUM_SHARED $DOCUMENTUM/dctm_shared
setenv DM_HOME $DOCUMENTUM/product/6.0
setenv JAVA_HOME /home/kotresh/dctm/dctm_shared/java/1.6.0_17

[Code]....

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General :: Script Taking Long Time To Execute?

Jan 25, 2011

Quote:

#!/bin/ksh
DBcounttry_finalnofunc()
{

[code]....

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General :: Install From Repository Vs Compile For Long Term Support

Jun 8, 2010

I'm a Windows admin who does part time Linux server installs. Most of the time I'm asked to deploy a generic Windows server, install a few basic applications and if needed some other applications like Nagios or Zabbix. My question is for long term support, or patching should I be focusing on deploying with repositories to install applications or compile from source? In the Windows world you can patch and update from Windows Update, but is there problems using 3rd party repositories for future updates? Would one of these locations go off line?

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General :: Sending Find Results To File - List Too Long

Aug 12, 2010

I'm trying to do a
find /photos/* -type f -mtime +365
to find all my pictures that are over a year old, but I keep getting argument list too long. How can I view what all the results are, even if it just dumps it to a file that I have to open?

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General :: Takes Long Time While Booting - Enabling Swap Space ?

May 9, 2010

While booting Linux it takes ages for 'enabling swap space'

I have allocated swap space twice that of the RAM.

Is there a way to fix it? What should I do to avoid this in the future installs?

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General :: Using Find With File Name And Mtime To Remove Files Gets Arg List Too Long Error?

Dec 25, 2009

I need to delete all *.trc files that are older than 30 days and I am getting a "Argument list too long" error. There are other files that should not be deleted which is why I am using the "*.trc" and newer files need to be kept as well. I have seen other postings but they do not cover both of the conditions. Below are 2 of the many attempts at doing this but I cannot get this to work.

find *.trc -mtime +31 -print| xargs rm -f {}
find *.trc -mtime +31 -print -exec rm -f {} ;

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General :: BASH Script To Copy Contents Of Directory So Long As Average System Load Low?

May 26, 2010

For reasons I won't get into, I need to copy directories so long as the average system load is low. Can someone help me write a BASH script that will copy the contents of a directory, but check to make sure the average system load is below X before copying each file, and if not, wait Y seconds and try again?

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General :: Secure Box - Authentication Failure - Long Strong Password Can Stop To Prevent From Attacks?

Mar 17, 2010

we are using linux email server axigen past few years. we keep port open ssh and pop,smtp webmail etc. ssh use for remote trouble shooting. so through firewall it is globally accessable. we notice many attacks coming to our machine, also some people try to enter in our system but failure. as example see below a log come in messages file

Mar 17 09:19:50 sa1 sshd(pam_unix)[21231]: authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=210.51.13.120 user=root how we can secure more. as per my understanding only good long strong password can stop to prevent from attacks.

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General :: How Long Do FIFOs - Named Pipes - Stay "open" For

Aug 2, 2011

For example, I have a script that writes the time to a pipe in /etc/pipe. It writes continuously in a while true loop. How long will the data in the pipe be available for reading? If I only decide to read the pipe a day later with cat /etc/pipe, will I get all the time values right from the time I started writing?

Conversely, what if my loop only wrote the time every 10 minutes. Will I be able to access everything a day later?

Finally, pretend my loop writes the time continuously (like my first example) and I read the pipe every 30 minutes. If my computer shuts down right before I read the pipe, will the pipe be empty when I reboot or will it hold all that data?

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General :: Perform A Long Directory Listing Of All Files In The /bin Directory That Have Exactly Three Characters In Their Name?

Jan 18, 2010

How do you perform a long directory listing of all files in the /bin directory that have exactly three characters in their name?

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General :: "nicing" Long Running Computationally Intensive?

Sep 10, 2010

I've just noticed that "nicing" long running computationally intensive, I/O unintensive, single-threaded executables on my system increases the CPU run time of those executables (as reported by /usr/bin/time as well as by wall clock) by a factor of 2-3 even in the absence of any load, i.e., "top" tells me that my program is getting 100% of a CPU. For example:

[code]....

My system is running Ubuntu 7.10. If I run the same executable on two other machines I have access to -- one running Fedora 5 and the other Ubuntu 9.10 -- I don't see any discrepancy between the runtimes using nice and not using nice.

This behavior is executable independent, compiler dependent, and language dependent -- I'm seeing it across the board. I'm assuming I've somehow configured my system to behave this way, but I have no idea what I may have done. Also, this was the first time I'd ever done timing runs with "nice" (actually, "at"), so I'm not sure how long my system's been configured (if configured is the right word) this way.

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General :: "Argument List Too Long" - Deleting Files Based On Grep?

Jan 28, 2011

I've got a directory with thousands of files and I want to delete those that contain specific text.When I try:Code: ls | grep -l "specific text" * | xargs rm I get the error: Code: /bin/grep: Argument list too long Is there an easy way to get around this without having to move files into seperate folders and processing them in batches? I found an article on getting around this problem, but I'm kind of new to Linux and don't know how to apply this to my specific problem.

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