The following is a primer for setting up your Raspberry PI to use SNMP to monitor the CPU and the GPU temperature in Cacti and to monitor the undervoltage condition. The instructions below cover Raspbian 11. I am assuming you … Continue reading →
Ran into a problem where I had an appliance on my network that only supported http: but my chrome browser insisted on going to https: To fix it I had to go to chrome://net-internals/#hsts , scroll down to “Delete domain security … Continue reading →
The following is a way to access the CPU and GPU temperature on a raspberry Pi using SNMP Note – I am using Centos 7 on my Raspberry Pi Edit /etc/sysconfig/selinux change the line: SELINUX=enabled to read SELINUX=disabled Save your … Continue reading →
Note – if you are getting this error, you really should update the ios or your equipment. But there are situations where that cant be done – so – Add the following lines to either the /etc/ssh/ssh_config file or the … Continue reading →
To start or stop virtual machines using ssh or the console, you will need to use the bash prompt. There is more than one way, but this is the way I prefer First check which virtual machines are available: virsh … Continue reading →
The following is a quick series of notes for fixes for vulnerabilities that may be found when running a penetration test using OpenVAS Most of these notes are written for Linux, some have notes on how they apply to other … Continue reading →
Log in as root and create a directory named /etc/openvas/ssl If you are doing a self signed certificate cd /etc/openvas/ssl openssl req -x509 -newkey rsa:2048 -nodes -days 3640 -keyout pentest.key -out pentest.pem (answer the prompts) If you are using a … Continue reading →
For Zimbra 8.5 and newer Execute as the zimbra user: zmprov mcf zimbraMtaSmtpdTlsCiphers high zmprov mcf zimbraMtaSmtpdTlsProtocols ‘!SSLv2,!SSLv3’ zmprov mcf zimbraMtaSmtpdTlsMandatoryCiphers high zmprov mcf zimbraMtaSmtpdTlsExcludeCiphers ‘aNULL,MD5,DES’ Within 2 minutes, zmconfigd will update postfix for you, and the system will be … Continue reading →
….and you have no sound Fix: Start a bash prompt and as the user who is having problems (Not root or su – !!) run the two following commands pulseaudio –kill pulseaudio –start –log-target=syslog Your outputs should be back Applies … Continue reading →
Note: this was done on a Cisco C3750 !— Step 1: Configure the hostname if you have not previously done so. conf t hostname switchname !— The aaa new-model command causes the local username and password on the router !— … Continue reading →