Turn off wifi radio in Linux / Centos
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 →
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Juniper – How to configure NTP
Below provides the basic commands for configuring the date, time and NTP on your Juniper Set the time either set date ntp or set date YYYYYMMDDHHMM Set the name servers set system name-server your.name.server.1 set system name-server your.name.server.2 commit Configure … Continue reading →
Brother Printer Print Quality
I had a problem with a Brother HL-L6200DW with poor print quality on Widows 10. I resolved it as follows: In the “Type here to search” box – type in “Printer & Scanners” Select your printer – then click on … Continue reading →
Drive Mounting Screws
For 3.5″ drives: 6-32 – min penetration 3.0 mm (0.118 inches) – max penetration 3.8 mm (0.149 inches) For 2.5″ drives: M3
Continue reading →Setting Default Printer in Windows 10
Tap the windows key on your keyboard In the box that says “Type here to search” – type in “Printers” Click on “Printers & Scanners” Scroll down the Printers & Scanners until you find “Let Windows manage my default printer” … Continue reading →
Route email destined for a selected domain to /dev/null
I wanted to do some testing with some forms on my web site, but I did not want to deal with the resultant output going to email. I added the following line to the /etc/postfix/transport file fubar.com discard Then I … Continue reading →
How To Install PHP 7.3, 7.2, 7.1 on CentOS/RHEL 7.6
PHP 7.3 is the latest stable release of PHP. May of popular yum repositories is providing rpm packages for PHP 7. This article is using Remi and EPEL yum repositories for installing required packages on your system. This article will … Continue reading →
SSH WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED!
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 →
ERROR [ScheduledTask-2] [name=galsync@domain.com;mid=116;ds=external;] gal – Error executing gal search
I found an error in the /opt/zimbra/log/mailbox.log on my zimbra server 2019-11-25 14:12:11,593 ERROR [ScheduledTask-2] [name=galsync@domain.com;mid=116;ds=external;] gal – Error executing gal search com.zimbra.cs.ldap.LdapException: LDAP error: – unable to get connection: ldap host=: An error occurred while attempting to connect to … Continue reading →
Show available wifi networks
nmcli dev wifi nmcli -f ALL dev wifi For more information see here
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