Zabbix 5 has a lot of GUI imrovment and other new features, notice the installation on CentOS 8 is a little different. lets start . If you are a fan
Category: Operating Systems
Dell Compellent SC 3020 high read latency slow preformanceDell Compellent SC 3020 high read latency slow preformance
After installing DELL Storage SC 3020 with microsoft Hyper-v virtualization system I had terrible performance issue when copying files from the CSV to the host, Seems that all the file
You cannot access a mailbox After Disable and Enable The Mailbox ERROR Unable to open message store. (hr=0x80004005, ec=2412)You cannot access a mailbox After Disable and Enable The Mailbox ERROR Unable to open message store. (hr=0x80004005, ec=2412)
Some time after disable a mailbox and enable it again it remain disabled and in owa you can get the error : [Microsoft.Mapi.MapiExceptionMailboxDisabled]: MapiExceptionMailboxDisabled: Unable to open message store. (hr=0x80004005,
Windows 2019 Network IS SLOW ON HYPER-V 2019Windows 2019 Network IS SLOW ON HYPER-V 2019
VM 2019 hosted on Hyper-v 2019 can have serious network performance issue . While windows 2008 to Windows 2012 R2 work just fine and fast ! I have found that
how to remove pop up ads in chromehow to remove pop up ads in chrome
Block or allow pop-ups in Chrome By default, Google Chrome blocks pop-ups from automatically showing up on your screen. When a pop-up is blocked, the address bar will be marked
How To Update MARIADB On CentOS 7How To Update MARIADB On CentOS 7
When having mysql server sometime it is smart to update the version all together, this are the steps on Linux CentOS 7 from ssh console: systemctl stop mariadb yum remove
Outlook not connecting to exchange server and password window keep poppingOutlook not connecting to exchange server and password window keep popping
I had a weird case of organization suffering from outlook that couldn’t connect to the exchange, the security window was popping all the time regardless the credential input .
Emails get stuck in the Exchange transport queue with message DNS query failed …Emails get stuck in the Exchange transport queue with message DNS query failed …
I had a problem with emails get stuck on the exchange server and in the transport queue I got this DNS error, the error was : 4.4.0 DNS query
How To preform Windows in-place Upgrade 2012 R2 To 2019How To preform Windows in-place Upgrade 2012 R2 To 2019
f you want to keep the same hardware and all the server roles you’ve already set up without flattening the server, you’ll want to do an in-place upgrade. An
Webmin do not change theme as expectedWebmin do not change theme as expected
When trying to change Webmin theme the settings do not get applied . This can happen as the global setting overcome the user settings Go to webmin -> Change