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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

SNMP v3 and Cacti

Software Effect Enterprises, Inc Posted on June 13, 2017 by SEEIMay 14, 2022

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

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

Change port for sshd server

Software Effect Enterprises, Inc Posted on November 11, 2015 by SEEIJanuary 20, 2021

I changed the port for sshd on my servers to reduce the number of attacks against the sshd server. In the following example, I am changing the port from the default of 22 to 43231 First – backup your sshd_config … Continue reading →

Posted in Centos, Centos 6, Centos 7

DRBD on Centos

Software Effect Enterprises, Inc Posted on March 26, 2017 by SEEIDecember 30, 2020

Installation Centos 7 rpm –import https://www.elrepo.org/RPM-GPG-KEY-elrepo.org rpm -Uvh http://www.elrepo.org/elrepo-release-7.0-2.el7.elrepo.noarch.rpm yum -y install drbd84-utils kmod-drbd84 Centos 6 rpm –import http://elrepo.org/RPM-GPG-KEY-elrepo.org rpm -Uvh http://elrepo.org/elrepo-release-6-5.el6.elrepo.noarch.rpm rpm -Uvh http://download.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm rpm –import ‘http://keys.gnupg.net:11371/pks/lookup?search=0x0608B895&op=get’ yum -y install drbd84-utils kmod-drbd84 Configuration create /etc/drbd.d/drbd1.res resource repdata { protocol … Continue reading →

Posted in Centos, Centos 6, Centos 7

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

RDesktop on Centos

Software Effect Enterprises, Inc Posted on November 9, 2015 by SEEIAugust 10, 2020

Centos 7 yum -y install epel-release yum -y groupinstall “GNOME Desktop” yum -y install xrdp xorg-x11-xinit firewall-cmd –permanent –zone=public –add-port=3389/tcp firewall-cmd –reload systemctl start xrdp.service systemctl enable xrdp.service Centos 6 rpm -Uvh http://download.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm wget -O epel6.key.txt ‘http://keys.gnupg.net:11371/pks/lookup?search=0x0608B895&op=get’ rpm –import epel6.key.txt … Continue reading →

Posted in Centos, Centos 6, Centos 7

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

Mate on Centos 8

Software Effect Enterprises, Inc Posted on October 29, 2019 by SEEIMarch 10, 2020

  I wanted to get Mate installed on my Centos 8 system. I had to dig around a bit but I found the info I needed. Keep in mind this is an “unofficial” Centos 8 repository and if you have … Continue reading →

Posted in Centos 8, Mate | Tagged centos 8, mate

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