↓
 

Software Effect Enterprises, Inc

  • Home
  • Link Packs
Home→Categories Linux 1 2 >>

Category Archives: Linux

Post navigation

1 2 >>

Turn off wifi radio in Linux / Centos

Software Effect Enterprises, Inc Posted on January 28, 2020 by SEEIJanuary 28, 2020

I have a few boxes that have built in wifi and I dont need it turned on. So I turn it off using the following command nmcli radio wifi off To make sure the wifi radio stays turned off in … Continue reading →

Posted in Centos 7, Linux, wifi | Tagged linux, wifi

Web Site Certificate/SSL Tests

Software Effect Enterprises, Inc Posted on May 13, 2016 by SEEIJune 16, 2019

I have found the following two sites helpful in finding issues with the configuration of SSL secured web sites https://ssltools.digicert.com/checker/ https://www.ssllabs.com/ssltest/analyze.html Test which ciphers (TLS, SSL, etc) are enabled nmap -sV –script ssl-enum-ciphers -p 443 www.yourdomain.com Ref: https://nmap.org/nsedoc/scripts/ssl-enum-ciphers.html

Continue reading →
Posted in Centos 6, Centos 7, Cisco ASA, Linux, Windows, Zimbra

Edit Transport Maps On Postfix

Software Effect Enterprises, Inc Posted on May 8, 2015 by SEEIMarch 7, 2019

If you need email delivered to a specific server for selected domains you do the following: As root, edit the /etc/postfix/main.cf. Find (or add) the line that starts with transport_maps= If it does not exist, add the line “transport_maps=hash:/etc/postfix/transport. If … Continue reading →

Posted in Centos, Fedora, Linux

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 SEEIMarch 31, 2018

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, Linux, SNMP

3 command-line file conversion tools for Linux

Software Effect Enterprises, Inc Posted on October 20, 2016 by SEEIOctober 20, 2016

Pandoc Everyone I know who works with markup languages says Pandoc is the go-to utility for converting between those languages. And for good reason: Pandoc not only does some pretty nifty conversions, it’s fast, too. Have a file formatted with … Continue reading →

Posted in Centos, Fedora, Linux

Using UUID to Mount Disk

Software Effect Enterprises, Inc Posted on July 5, 2016 by SEEIJuly 5, 2016

In linux, hard drive dev assignments can get changed between reboots – especially with external/removable drives. This means using /dev/sdX or /dev/hdX is not the best way to mount a drive that needs to be mounted every time at boot. … Continue reading →

Posted in Centos, Centos 6, Centos 7, Fedora, Linux

Security Wipe Of Hard Drive Using Linux

Software Effect Enterprises, Inc Posted on December 4, 2015 by SEEIDecember 4, 2015

first – determine the dev of the hard drive – as in /dev/sda /dev/sdb etc Then excute shred -vz -n 3 /dev/XXX where XXX is the identifier of the hard drive Increase 3 to a larger value for higher security … Continue reading →

Posted in Centos, Centos 6, Centos 7, Fedora, Linux

xrdp error: Failed at step EXEC spawning /usr/sbin/xrdp: Permission denied

Software Effect Enterprises, Inc Posted on November 3, 2015 by SEEINovember 3, 2015

Updated xrdp on a Centos 7 system and xrdp would not start. Error logged in /var/log/messages: Failed at step EXEC spawning /usr/sbin/xrdp: Permission denied Fix: chcon -t bin_t /usr/sbin/xrdp /usr/sbin/xrdp-sesman Reference: https://bugzilla.redhat.com/show_bug.cgi?id=1177202

Continue reading →
Posted in Centos, Centos 7, Linux

SED One Liners

Software Effect Enterprises, Inc Posted on March 19, 2015 by SEEIMarch 19, 2015

HANDY ONE-LINERS FOR SED (Unix stream editor) Apr. 26, 2004 compiled by Eric Pement – pemente[at]northpark[dot]edu version 5.4 Latest version of this file is usually at: http://sed.sourceforge.net/sed1line.txt http://www.student.northpark.edu/pemente/sed/sed1line.txt This file is also available in Portuguese at: http://www.lrv.ufsc.br/wmaker/sed_ptBR.html FILE SPACING: # … Continue reading →

Posted in Linux

Post navigation

1 2 >>

Recent Posts

  • Juniper SRX 300 with a DHCP server
  • Recover Root Password on SRX300
  • Upgrade Junos on SRX
  • Initial Configuration of SRX
  • Could not apply stored configuration to monitors

Categories

  • Active Directory
  • Apache
  • Apache 2.4
  • ASA
  • Cacti
  • Centos
  • Centos 6
  • Centos 7
  • Centos 8
  • Cisco ASA
  • Cisco Switch
  • Dell
  • DHCP
  • Fedora
  • Fedora 31
  • Firefox
  • Gnome 3
  • Google Chrome
  • grub
  • httpd
  • Juniper
  • LetsEncrypt
  • LibreOffice
  • Libvirt
  • Linux
  • Mate
  • MySQL
  • named/bind
  • Networking
  • OpenVAS/Greenbone
  • PHP
  • Raspberry PI
  • SNMP
  • SRX
  • ssh
  • Uncategorized
  • wifi
  • Windows
  • Windows 10
  • Windows 7
  • Windows Server 2016
  • WordPress
  • Zimbra
  • Zimbra 7
  • Zimbra 8

Your IP Address

  • Powered by Find-IP.net
©2021 - Software Effect Enterprises, Inc - Weaver Xtreme Theme
↑