Archiv rubriky: Advanced system tips and tricks

WARNING: Problem with directory [/usr/share/tomcat7/lib/*.jar"] ClassNotFoundException: org.apache.catalina.startup.Catalina

Some time ago i saw issue with tomcat7 and installing OpenEMM. Issue was with catalina.properties common loader definition. common.loader=“${catalina.base}/lib“,“${catalina.base}/lib/*.jar“,“${catalina.home}/lib“,“${catalina.home}/lib/*.jar“ Tomcat for any reason cant open directory specified in catalina.properties file. What cause problem with ClassNotFoundException on Catalina class. WARNING: Problem … Celý příspěvek

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Check SMTP for open relay in Bash

We are in situation when our MTA is configured and we have to check our configuration for SMTP open relay. We can use telnet command and send email manually. Where some@email.cz is email out of the MTA domains because we … Celý příspěvek

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How to solve incresing cache issue like out of memory

Time to time can hapens that for low of memory are servers out of control. I have founded solution for that common issue, see details. Read more…

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Seznam rozsahů IP address pro AS NIXu

Občas se stane a potřebujete seznam IP adress, které patří do rozsahu daného státu. Pro tento účel se Vám může pomoci tento skript.

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