Change Dell RAC password using cli
If you need to change the RAC password on a Dell server, there are two ways to do that: 1 – reboot the server and follow the prompts 2 – If you have installed openmanage on your Dell server you … Continue reading →
SEEI
Stop firefox from forcing https://
I have to deal with some older printers that dont have https:// set up on them – but every time I try to access them using Firefox – it changes the URL from http://printername.or.ip to https://printername.or.ip First – in the … Continue reading →
Find the PID and Names of Virtual Machines on Centos 7
On my Centos 7 system, I wanted to find out which VM was taking up a large amount of the processor: top – 14:43:15 up 3 days, 7:49, 2 users, load average: 1.66, 1.79, 1.99 Tasks: 442 total, 1 running, … Continue reading →
DHCP and/or Ping does not work on inside interface on SRX 300
Problem: Traffic passes through to the outside/Internet on SRX, but the dhcp server does not assign ip addresses and you cannot ping the SRX from the inside Solution: The system services were blocked on the inside network. Example as follows: … Continue reading →
Backup your Juniper SRX every time you commit changes made to it
Add the following to your configuration Set up a location to scp your configurations to set up the time zone and ntp service – see my note Juniper – How to configure NTP Next – setup your host name:| set … Continue reading →
Disable ipv6 on a single interface or all interfaces
1. Append below lines in /etc/sysctl.conf: net.ipv6.conf.all.disable_ipv6 = 1 net.ipv6.conf.default.disable_ipv6 = 1 NOTE : To disable IPv6 on a single interface replace “all” on the first line with “eth0” or the name of the selected ethernet interface 2. To make … Continue reading →
IT IS POSSIBLE THAT SOMEONE IS DOING SOMETHING NASTY!
You get the above message when running ssh. The issue is, you have connected to this host/ip in the past and the machine you are connecting to has been replaced and/or lots of updates have been done to it. If … Continue reading →
ssh fails to connect with debug1: expecting SSH2_MSG_KEX_ECDH_REPLY
Running ssh across a vpn connection I started having my ssh sessions fail to connect. After starting ssh with the “-vvv” option, the session would timeout after getting a debug1: expecting SSH2_MSG_KEX_ECDH_REPLY After doing some research, I found other people … Continue reading →
Auto logon with Gnome 3 / Centos 7
Note: You need supervisor privileges to make this change. Select the power icon in the upper right corner. Select your username from the drop down list Select Account Settings form under your username Select the Unlock button at the top of … Continue reading →
VCHI initialization failed Raspberry Pi
I used vcgencmd inside a script for SNMP and the SNMP query returned: VCHI initialization failed I soon discovered if vcgencmd on a raspberry pi you get VCHI initialization failed then you need to add the video group to that user. … Continue reading →