This article describes the cleanup rules for the Linux/tmp directory, and the RHEL6 and RHEL7 will be cleaned up in two completely different ways.
RHEL6Tmpwatch commandTmpwatch is a command specifically designed to address the need to "delete
when the file is deleted in the TMP directory.
Writing this article is when I'm going to reboot a long running Hadoop cluster, and I can't shut down the service. Look at the shell script see, to find the service of the PID file can be restarted,
TMP directory automatic purge and Tmpwatch command
Habitually put some temporary files in the TMP directory, so that it naturally deleted. At the same time, in order to ensure that the TMP directory is not full, the system by default the daily
Turn from: http://blog.itpub.net/133735/viewspace-773854/
The Hadoop system Datanode and Tasktracker's PID files are cleared.So conveniently looked at the next,/tmp directory cleaning rules.The Linux development specification does not explicitly
We know that in the Linux system in the/TMP folder inside the file will be emptied, as to how long to be emptied, how to empty, may not have a lot of knowledge, so, today we will analyze one of these two problems.In the rhel\centos\fedora\ system
Displays all files or directories in the/var/directory that start with 1, end with a lowercase letter, and have at least one digit in the middle (which can have other characters).Command:Ls-d/var/1*[0-9]*[a-z]Displays files or directories that start
Upload files with file, file not found in TMP directory
The code is as follows:
upload.php
if ($_files["file" ["error"] > 0)
{
echo "Return Code:". $_files["File" ["Error"]. "
";
}
Else
{
echo "Upload:". $_files["File" ["Name"]. "
";
echo "Type:".
Upload files with file, file not found in TMP directory
The code is as follows:
upload.php
if ($_files["file" ["error"] > 0)
{
echo "Return Code:". $_files["File" ["Error"]. "
";
}
Else
{
echo "Upload:". $_files["File" ["Name"]. "
";
echo "Type:".
That's depends on your distribution. On some system, it's deleted only when booted, others has cronjobs running deleting items older than n hours.
On Debian-like systems:on boot (the rules is defined in /etc/default/rcS ).
On Redhat-like
/TMP is typically a direct footprint/partition space, unless you have a separate partition space for it to use when you install it. So it's up to you/or an independent partition space project.
As for the other turns, you can adjust the/tmp
SOURCE Blog http://blog.itpub.net/24996904/viewspace-769327/In the/etc/default/directory, there is a RCS file with the following file contents:##/etc/default/rcs## Default settings for the scripts in/etc/rcs.d/## For information about these
PHP Project, the online encounter a strange problem, using
fwriteWrite
tmpfile()Failed. The failure here does not mean
fwriteReturn
FALSE, but returns
int(0), write 0 bytes. The code is simple as follows:
$f = tmpfile();$length = fwrite($f,
Directory OperationsCD: Enter directoryBasic format: CD directory nameExample:1), in the current directory into the subdirectory A, enter "CD a"2), in the current directory into the root directory of the subdirectory TMP, enter "Cd/tmp"Cd.. :
Directory OperationsCD: Enter directoryBasic format: CD directory nameExample:1), in the current directory into the subdirectory A, enter "CD a"2), in the current directory into the root directory of the subdirectory TMP, enter "Cd/tmp"Cd.. :
Problem Description
The department's Hadoop cluster has been running for one months and today needs to be tweaked, but it suddenly turns out that Hadoop is not shutting down properly.
Hadoop version: 2.6.0
The details are as follows:
[Root@master ~]
1.There is a problem with the configuration server. (/usr/libexec/gconf-sanity-check-2 exited with status 256There are two reasons: 1,/tmp permission Issue 2,/tmp directory is deletedTMP occupies 400M of spaceDelete/tmp directorycan only boot into
1. Copy the/ETC/GRUB2.CFG to/tmp directory and use the Find and replace command to delete the white space character at the beginning of each line in the/tmp/grub2.cfg file2. Copy the/etc/rc.d/init.d/functions to/tmp/directory and add a # number to
IPhone AppObtainFileThe tutorial is the content to be introduced in this article.IPhoneGetApp, It can onlyAccessRootDirectorySome files (so-called sandbox). OneAppPublishIPhoneIt gets the DirectoryStructureAs follows:
1. Get the appRootNS can
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