For example 2>&1 redirects 2 (standard error) to 1 (standard output); if 1 has been redirected to a file, 2 goes there too. All comments are subject to moderation. If the disc or the connection to it is failing, it'll be noted there. How to give player the ability to toggle visibility of the wall? check my blog
Examples: % who > names Redirect standard output to a file named names % (pwd; ls -l) > out Redirect output of both commands to a file named out % pwd; By default : Standard Input is the keyboard, abstracted as a file to make it easier to write shell scripts. n > fileOutput from stream with descriptor n redirected to file. How to know if a meal was cooked with or contains alcohol?
Use >> and >>& to append output to existing files. Registration is quick, simple and absolutely free. Please visit this page to clear all LQ-related cookies. Keep a strict eye on it for a week or so and see what happens...
Examples: $ who > names Direct standard output to a file named names $ (pwd; ls -l) > out Direct output of both commands to a file named out $ pwd; chrism01 View Public Profile View LQ Blog View Review Entries View HCL Entries Find More Posts by chrism01 08-25-2004, 05:10 PM #5 rob19 Member Registered: Mar 2003 Location: New If you'd like to contribute content, let us know. Input/output Error Centos Code: mkdir testing mkdir: cannot create directory `testing': Input/output error I tried to search for this and found people had similar errors but they mostly seemed to be tampering with their
I am going to try using badblocks command to see if that will repair it. Not the answer you're looking for? In the following example, myprog, which was written to read standard input and write standard output, is redirected to read myin and write myout. $ myprog < myin > myout You http://askubuntu.com/questions/15476/input-output-error-drives-randomly-refusing-to-read-write By default, standard input is connected to the terminal keyboard and standard output and error to the terminal screen.
So you're good in that regard. –Shadur Jun 3 '12 at 0:31 add a comment| up vote 9 down vote As Sadhur states this is probably caused by disk hardware issues Cannot Open Directory . Input/output Error For example, to count the number of lines in the file users generated above, you can execute the command as follows − $ wc -l users 2 users $ Here it If the disk itself is fine(though it is the bit I suspect the most, being it's recently replaced; or perhaps the procol, is the new drive a faster revision of SATA There are good reasons why stdout and stderr are treated separately.
All Rights Reserved. https://ubuntuforums.org/showthread.php?t=930991 always forces the file to be overwritten. Ls Input Output Error Linux The commands that normally take their input from standard input can have their input redirected from a file in this manner. Ls: Cannot Access Input/output Error Find More Posts by rob19 08-25-2004, 05:48 PM #8 rob19 Member Registered: Mar 2003 Location: New Zealand Distribution: Red Hat Linux 8 & 9 Posts: 32 Original Poster Rep:
Find More Posts by rob19 08-26-2004, 06:27 AM #10 chrism01 LQ Guru Registered: Aug 2004 Location: Sydney Distribution: Centos 6.8, Centos 5.10 Posts: 17,198 Rep: Certainly sounds odd. http://renderq.net/output-error/input-output-error-dd.php Many thanks in advance, rob19 View Public Profile View LQ Blog View Review Entries View HCL Entries Visit rob19's homepage! All rights reserved. Redirecting a Command's Input : Syntax to redirect the input of a command to come from a file. # Command_options_and_arguments < input_file Use the < operator to redirect the input for Ls Reading Directory . Input/output Error Ubuntu
Windows or Linux ? In such cases you can discard the output by redirecting it to the file /dev/null − $ command > /dev/null Here command is the name of the command you want to Now if try to reboot , it can also give the same output. news You can issue a surface scan of your disk from Linux /sbin/badblocks /dev/sda.
Following is the input to the command wc -l to count total number of line − $wc -l << EOF This is a simple lookup program for good (and bad) restaurants Rm Cannot Remove Input Output Error Linux You can count the number of lines in the file by redirecting the standard input of the wc command from the file users − $ wc -l < users 2 $ Professional name different from legal name Lunacy - what does it mean?
Hit a curb; chewed up rim and took a chunk out of tire. How to use StandardSetController in extension class Plausibility of the Japanese Nekomimi How to avoid Johnson noise in high input impedance amplifier Why don't we have helicopter airlines? Find More Posts by rob19 08-25-2004, 05:42 PM #7 rob19 Member Registered: Mar 2003 Location: New Zealand Distribution: Red Hat Linux 8 & 9 Posts: 32 Original Poster Rep: Ls Reading Directory . Input/output Error Centos rob19 View Public Profile View LQ Blog View Review Entries View HCL Entries Visit rob19's homepage!
Is your logrotate working? [email protected]:~$ ls /usr/bin > /dev/null Note : The file /dev/null is often called a bit bucket. If you already installed it you can take the advantage of that. http://renderq.net/output-error/input-output-error-on-mac.php share|improve this answer answered Jun 3 '12 at 1:06 warl0ck 21.4k25107230 Thanks!
Code: EXT3 FS 2.4-0.9.19, 19 August 2002 on ide0(3,2), internal journal Adding Swap: 1044216k swap-space (priority -1) kjournald starting. more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed Example: 2 [email protected]:~$ ls /usr2222/bin > command.txt 2>&1 [email protected]:~$ more command.txt ls: cannot access /usr2222/bin: No such file or directory Note that above example assumes that your system doesn't have directory Jobs Send18 Whiteboard Net Meeting Tools Articles Facebook Google+ Twitter Linkedin YouTube Home Tutorials Library Coding Ground Tutor Connect Videos Search Unix for Beginners Unix - Home Unix - Getting Started
my first post replied by me itsel... Code: [[email protected] root]# badblocks -n /dev/hda1 -bash: /sbin/badblocks: Input/output error Looks like I am going to have to drive into the city, go to the ISP and pull the plug on You can do this by redirecting a command's output to the null file “/dev/null" The null file consumes all output sent to it , as if /dev/null is a black hole