Category Archives: Linux

OpenVAS vulnerability scanner

Posted on August 19, 2015 by admin

I wanted to do a quick scan of a system before I signed a security assessment consent form, so I wanted a free vulnerability scanner I could use. I couldn’t find a truly free online scanner that I could “just use”, … Continue reading →

Posted in Linux, Security | Comments Off on OpenVAS vulnerability scanner

Quickest way to get Tomcat 7 running on ubuntu 14.04

Posted on June 17, 2015 by admin

I found this excellent blog post and thought it was worth remembering, so here it is. https://www.digitalocean.com/community/tutorials/how-to-install-apache-tomcat-7-on-ubuntu-14-04-via-apt-get

Posted in Linux, Tomcat, Ubuntu | Comments Off on Quickest way to get Tomcat 7 running on ubuntu 14.04

SSL3_GET_SERVER_CERTIFICATE: certificate verify failed

Posted on March 18, 2015 by admin

Monday, a shopping cart solution that has worked for years started throwing this error when connecting to Authorize.net Could not connect to the specified payment gateway SSL certificate problem, verify that the CA cert is OK. Details: error:14090086:SSL routines: SSL3_GET_SERVER_CERTIFICATE: … Continue reading →

Posted in Linux, SSL | Comments Off on SSL3_GET_SERVER_CERTIFICATE: certificate verify failed

nagios plugin check_snmp times out for certain ASNs

Posted on March 10, 2015 by admin

This is probably because you are missing some MIBS. Chances are this will fix it: sudo apt-get install snmp-mibs-downloader

Posted in nagios | Comments Off on nagios plugin check_snmp times out for certain ASNs

How to fix all sequences in postgres 9.x

Posted on January 1, 2015 by admin

— select table_name || ‘_’ || column_name || ‘_seq’, reset_sequence(table_name, column_name, table_name || ‘_’ || column_name || ‘_seq’) from information_schema.columns where column_default like ‘nextval%’; — Function: reset_sequence(text, text) — DROP FUNCTION reset_sequence(text, text); CREATE OR REPLACE FUNCTION reset_sequence(tablename text, columnname … Continue reading →

Posted in Linux, postgres | Comments Off on How to fix all sequences in postgres 9.x