Topic
Installing, running and monitoring Linux and Unix servers and the software on them.
14 posts
Why does linux have an open-file-limit? The open-file-limit exists to prevent users/process to use up all resources on a machine. Every file-descriptor uses a certain amount of RAM and a malicious or malfunctioning …
Installing Informatica with the installer was straightforward, but for some strange reason the adminconsole could not be started. Here the output I found in the Logfile: INFA_HOME/tomcat/logs/node.log 2012-08-08 …
Recently I was struggeling with glassfish directory deployment. Actually it is quite easy: unzip the ear-File (eg. example.ear) to a directory without .ear then go into this directory and unzip all war and jar files to …
Recently I was wondering why the deployment of a EAR-File on Glassfish 3.1.1 over the Web-Administration-Console or with asadmin took very very long in compare to local deployment with eclipse. The EAR-File is about 50 …
i run into some problems installing glassfish on a centos server without X-Windows. You can use the glassfish installer, but actually just unzipping the glassfish-zip is the easier method. Method 1: Installing just with …
For some time now a friend of mine kept nagging me about how cool Solaris were and what nice features like ZFS and everthing it had. As I was using Debian Linux for a really long time and was absolutely satisfied in all …
Requirements A Debian Lenny Basic Installation Install OTRS over apt-get This part is easy apt-get install otrs2 First Test Point your browser to your IP (for example 192.168.1.123) /otrs and you should see the OTRS …
nsca vs. nrpe Personally i favor nrpe as I can control at a central point which checks are really run. I can have 30 checks in the config but, use only 5 of them. With nsca you have to adjust the cronjob-list on every …
lately i came across a really dumb problem. Our nagios server sucked like hell and I couldn’t find the source of the problem. I was tuning nagios-parameters but nothing changed. The server had low load and cpu-usage, but …
recently I was having a problem with NFS. I wanted to export a quite large NFS-Volume (20TB) and when I tried to mount it on the client there was always the error nfs: Stale File Handle I couldn’t find the error and read …
This Howto covers some SNMP Basics and examples how you can read some values Introduction The “Simple Network Management Protocol” is a powerful possibility to query network-devices for information, or even to manage …
The rpm-packages for CentOS can easily be downloaded from http://otrs.org/download/ . Install with yum wget http://ftp.otrs.org/pub/otrs/RPMS/fedora/4/otrs-2.4.5-01.noarch.rpm yum install --nogpgcheck …
