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logwatch  Received disconnect from some.ip.add.ress port someport:11: : 1 Time

Software Effect Enterprises, Inc Posted on January 2, 2023 by SEEIJanuary 2, 2023

I have a fedora machine set up to backup configs and information from other servers via scp. In the daily log watch report I am getting tons of Received disconnect from some.ip.add.ress port someport:11: : 1 Time For some reason … Continue reading →

Posted in Centos, Fedora, Linux | Tagged disconnect, logwatch, received

Install Centos 8 using VNC

Software Effect Enterprises, Inc Posted on April 28, 2021 by SEEIApril 28, 2021

inst.vnc inst.vncpassword=password resolution=1200×750  

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Posted in Centos | Tagged installation, linux, vnc

How to mount raw images (.img) images on Linux

Software Effect Enterprises, Inc Posted on April 7, 2021 by SEEIApril 7, 2021

If you have a few .img files coming as disk images from devices like floppies, CDs, DVDs, SD cards, etc, you will realize that you cannot mount the in Linux, because they contain a file system that has to be … Continue reading →

Posted in Centos, Centos 7, Centos 8, Linux | Tagged file, image, linux, mount

Could not apply stored configuration to monitors

Software Effect Enterprises, Inc Posted on December 6, 2020 by SEEIDecember 6, 2020

You log onto your linux system and you get the message “Could not apply the sotred configuration to monitors” Start a bash prompt cd ~/.config mv monitors.xml monitors.xml.zzz Log off and log back on again  

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Posted in Centos, Centos 6, Centos 7, Centos 8, Fedora, Mate | Tagged apply, centos, configuragtion, fedora, monitors, redhat

Custom status line in vim

Software Effect Enterprises, Inc Posted on April 14, 2020 by SEEIApril 14, 2020

Add the following three lines to the end of either /etc/vimrc or ~/.vimrc set paste set statusline=%F%m%r%h%w\ [FORMAT=%{&ff}]\ [TYPE=%Y]\ [ASCII=\%03.3b]\ [HEX=\%02.2B]\ [POS=%04l,%04v][%p%%]\ [LEN=%L] set laststatus=2 Will the following to the bottom of your vim session: ~/x.txt [FORMAT=unix] [TYPE=TEXT] [ASCII=000] [HEX=00] … Continue reading →

Posted in Centos

SSH WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED!

Software Effect Enterprises, Inc Posted on December 22, 2019 by SEEIJanuary 3, 2020

You go to ssh to a system and you get the following message @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ @ WARNING: POSSIBLE DNS SPOOFING DETECTED! @ @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ The ECDSA host key for server.domain.com has changed, and the key for the corresponding IP address 10.128.15.2 is … Continue reading →

Posted in Centos, Centos 6, Centos 7, ssh | Tagged host, remote, ssh

Show available wifi networks

Software Effect Enterprises, Inc Posted on November 18, 2019 by SEEINovember 18, 2019

nmcli dev wifi nmcli -f ALL dev wifi For more information see here

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Posted in Centos, Centos 7, Centos 8 | Tagged network, wifi

IT IS POSSIBLE THAT SOMEONE IS DOING SOMETHING NASTY!

Software Effect Enterprises, Inc Posted on December 8, 2018 by SEEIDecember 8, 2018

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 →

Posted in Centos, ssh

ssh fails to connect with debug1: expecting SSH2_MSG_KEX_ECDH_REPLY

Software Effect Enterprises, Inc Posted on November 11, 2018 by SEEINovember 11, 2018

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 →

Posted in Centos, Centos 6, Centos 7, Cisco ASA, Linux, ssh

SNMP v3 and Cacti

Software Effect Enterprises, Inc Posted on June 13, 2017 by SEEIMay 20, 2023

A quick synopsis on setting up a Cisco ASA and a Centos 6 or 7 system to use SNMP v3 to be monitored by Cacti Cisco ASA en conf t # create a snmp-server group (needed for SNMP v3) # … Continue reading →

Posted in Cacti, Centos, Centos 6, Centos 7, Cisco ASA, Juniper, Linux, SNMP, SRX | Tagged asa, cacti, juniper, linux, snmp, SRX

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