Fix mod_rewrite erros in apache
Posted on | March 12, 2009 | No Comments
change :
RewriteEngine On
RewriteCond %{REQUEST_METHOD} ^TRACE
RewriteRule .* – [F]
To this:
RewriteEngine On
RewriteCond %{REQUEST_METHOD} ^TRACE
RewriteRule .* – [F]
RewriteLog /var/log/apache2/rewrite.log
RewriteLogLevel 0
as described here
funny
Posted on | March 10, 2009 | No Comments
Centos5: nfs clients get premission denied
Posted on | February 18, 2009 | No Comments
While working on ny NFS cluster project , I could not mount my nfs exports from clients ( FreBSD & Centos ).
on the FreeBSD client I got these responses :
[udp] server:/data/dir1: Permission denied
on the CentOS client I got these responses:
mount: server:/data/dir1 failed, reason given by server: Permission denied
On the Centos NFS server the logs showed :
mountd[12377]: authenticated mount request from client1:984 for /data/dir1 (/data/dir1)
Turns out there’s a bug in CentOS and modprobe does not mount the nfsd procs , you can fix the issue by adding :
none /proc/fs/nfsd nfsd auto 0 0
to /etc/fstab
or manually ( if you want to make sure that is the issue ) :
/bin/mount -t nfsd nfsd /proc/fs/nfsd
Setup NTP on CentOS 5.2
Posted on | February 17, 2009 | No Comments
I am working on building a DRBD cluster and as with all cluster tools , you must have a synced time between nodes.
1. install ntp
yum -y install ntp
2. enable ntp on boot
chkconfig ntpd on
3.run a manual time sync before starting the service
ntpdate 0.pool.ntp.org
4. start the service
service ntpd start
find whats causing a busy partition in freebsd
Posted on | February 13, 2009 | No Comments
trying to umount an nfs or external disk partition and got “partition busy” ?
use fstat -f to find out what the hold up …
-f Restrict examination to files open in the same file systems as
the named file arguments, or to the file system containing the
current directory if there are no additional filename arguments.
For example, to find all files open in the file system where the
directory /usr/src resides, type ``fstat -f /usr/src''.
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