/dev/Null error Post: 302583774

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1. UNIX for Dummies Questions & Answers

>/dev/null

Maybe it's an stupid question but remeber... I'm Junior.. I use command line to run programs, and some of them gives a lot of information when, for example, you open a window or other actions. That's really bad because my terminal gets full of unwanted messages, so I use "bin file & >/dev/null"...

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/dev/null

Hi , I am importing some table from /dev/null i dont understand what is /dev/null Sorry i am new to UNIX sam71

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Hi, I have a script as follows: #!/bin/sh nohup ./my_program >& /dev/null & However, i get a "Generated or received a file descriptor number that is not valid" whenever I run it. running the command up in prompt is ok though. if i change the first line to #!/bin/csh i get a then:...

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Hello, I'm trying to send the error output of a 'cat' operation to /dev/null like this: cat /dirA/dirB/temp*.log > /dirA/dirB/final.log 2>/dev/null This works perfectly in a terminal, but not when placed in a script. If there are no files matching temp*.log the script outputs an error...

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I apologize if this question has been answered else where or is too elementary. I ran across a KSH script (long unimportant story) that does this: if ; then CAS_SRC_LOG="/var/log/cas_src.log 2>&1" else CAS_SRC_LOG="/dev/null 2>&1" fithen does this: /usr/bin/echo "heartbeat:...

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Help with /dev/null Please

Hello All and a Happy New year to yous guys. I'm running the below command on my AIX box and it keeps giving me the message that the file doesn't exist. I know the file don't exist, but I don't want to see the error. 2>/dev/null doesn't work. bash-3.00$ ls -l C* | wc -l 2>/dev/null ls:...

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Eliminate error message (/dev/null)?

I am trying to eliminate an error message from a script. This is the error message: find: stat() error /usr/openv/netbackup/db/images/KUMAX: No such file or directory if ]; then runthiscommand=`su nxadm -c "ssh -t $new3 exec /bin/sh -s">/tmp/filew3 2>/tmp/error.txt<<EOF ...

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Redirect Standard Error to /dev/null is not working.

Hello. When I run a .ksh that contains the command below, and there is no file available in the source location the "FILE_NAME_*.CSV not found" error is still being displayed. FILEN=$(ssh ${SOURCE_SERV} "cd ${SOURCE_LOCATION} ;ls ${FILES}") 2> /dev/null. This is interfering with the rest...

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ftpd_selinux

ftpd_selinux(8) 					 ftpd SELinux policy documentation					   ftpd_selinux(8)

NAME

       ftpd_selinux - Security-Enhanced Linux policy for ftp daemons.

DESCRIPTION

       Security-Enhanced Linux provides security for ftp daemons via flexible mandatory access control.

FILE_CONTEXTS
       SELinux requires files to have a file type. File types may be specified with semanage and are restored with restorecon.	Policy governs the
       access that daemons have to files.

       Allow ftp servers to read the /var/ftp directory by adding the public_content_t file type to the directory and by restoring the file type.

       semanage fcontext -a -t public_content_t "/var/ftp(/.*)?"

       restorecon -F -R -v /var/ftp

       Allow ftp servers to read and write /var/tmp/incoming by adding the public_content_rw_t type to the directory and  by  restoring  the  file
       type.  This also requires the allow_ftpd_anon_write boolean to be set.

       semanage fcontext -a -t public_content_rw_t "/var/ftp/incoming(/.*)?"

       restorecon -F -R -v /var/ftp/incoming

BOOLEANS

       SELinux policy is based on least privilege required and may also be customizable by setting a boolean with setsebool.

       Allow ftp servers to read and write files with the public_content_rw_t file type.

       setsebool -P allow_ftpd_anon_write on

       Allow ftp servers to read or write files in the user home directories.

       setsebool -P ftp_home_dir on

       Allow ftp servers to read or write all files on the system.

       setsebool -P allow_ftpd_full_access on

       Allow ftp servers to use cifs for public file transfer services.

       setsebool -P allow_ftpd_use_cifs on

       Allow ftp servers to use nfs for public file transfer services.

       setsebool -P allow_ftpd_use_nfs on

       system-config-selinux is a GUI tool available to customize SELinux policy settings.

AUTHOR

       This manual page was written by Dan Walsh <dwalsh@redhat.com>.

SEE ALSO

       selinux(8), ftpd(8), setsebool(8), semanage(8), restorecon(8)

dwalsh@redhat.com						    17 Jan 2005 						   ftpd_selinux(8)

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What is /dev/tty /dev/null and /dev/console

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