[SOLVED] Warning - The IO operation at logical block address for Disk was retried. Someday my Event Viewer started throwing me warnings as follows: The IO operation at logical block address 3b9e1628 for Disk 1 was retried. The above error seems due to a timeout while reading (or writing) data to "Disk 1". Since then, my Event Viewer –> Windows Logs –> System, got flooded! Broken disk?! Nope...… Read More
11 exim cpanel golden checks for quick mail troubleshooting. The following is just some random advice derived from my experience on dealing with email-related issues. More specifically, here I'll be referring to exim (a very popular mail daemon), Cpanel/WHM & CentOS. Check if the user & password combination is correct. Check if the SMTP Authentication is enabled. Check if the User's mailbox is full.… Read More
Remove & Reset Folder Redirection from a Profile. In case you’ve been Folder Redirecting any User’s Home Folders and along the way you've decided it’s not you cake, to restore your User's profile to its original shape, there are some things you can do. Since Folder Redirection is a complex (and sometimes convoluted) topic, I don’t mean to be 100% exhaustive (but I'll… Read More
[Solved] Macbook Pro erratic behaviour with bottom cover IN. I successfully replaced a liquid-spilled Macbook Pro Logic Board, specifically an A1278, which is the Mid-2010 model. After replacing the Logic Board (and re-connecting all the connectors), I turned the laptop ON and it behaved perfectly. The problems appeared once I screwed the bottom cover to the case! After I turned the Macbook with the… Read More
5,000 free Star Citizen credits. Get 5,000 Star Citizen in-game credits by joining Star Citizen with Andrea's referral link: https://robertsspaceindustries.com/enlist?referral=STAR-26K6-PTP4… Read More
How to setup Per-Computer “Local Admins” on a Domain. Veggies. This post is a humble summary of Alan Burchill's brilliant post published at the following address in 2010: http://www.grouppolicy.biz/2010/01/how-to-use-group-policy-preferences-to-secure-local-administrator-groups/ Alan is the überhero (& self-declared genius...), so please thank him for his precious time and effort. Alan's methods reconnects to one of my previous articles were I talked about granting Local Admins credentials to… Read More
3 commands to INSTALL Unsigned Drivers (by disabling driver signing w/bcdedit). RUN "CMD" As Administrator. First things first - run a command prompt As Administrator! [Win 7] Win + R -> cmd -> CTRL + SHIFT + ENTER [Win 8/8.1/10] Win -> cmd -> CTRL + SHIFT + ENTER. [GUI]: To DISABLE "Driver Signing" (so you CAN install UNSIGNED Drivers): 1) Disable "Integrity Checks".… Read More
Early look at containers in Windows Server, Hyper-V and Azure – with Mark Russinovich Early look at containers in Windows Server, Hyper-V and Azure – with Mark Russinovich. Interesting - have a look! Andrea MatesiSenior Professional Network and Computer Systems Engineer during work hours and father when home. Andrea strives to deliver outstanding customer service and heaps of love towards his family. In this Ad-sponsored space, Andrea… Read More
my favourite "mysqldump" options. MySQL Tools & Co. are very nice and smart toys, 'though sometimes DB Admins like to overcomplicate things that should be easy and simple. Over time and experience, I developed a specific taste for the following mysqldump options: mysqldump -u root -p - -add-drop-databases - -add-drop-table - -databases DB_NAME > filename.sql Beware of the dreaded… Read More
Thinking of SHA512 for your PKI? Think again. If you are in the process of deploying a new CA, and you are thinking of issuing Certs that use SHA512 Hashes, think again! (From https://support.microsoft.com/en-us/kb/2973337):"If you currently use SHA512 certificates, and do not have this update installed, you may have problems in one or more of the following scenarios by using TLS 1.2:… Read More
Star Citizen Alpha 2.0 Press Demo - click on the referral link for a bonus 5000 in-game credits. Star Citizen is an extremely good looking Space Sim and FPS. But don't take my word for it, watch it yourself: If you like what you see... Join by following my referral link and you will get a bonus 5,000 in-game credits: https://robertsspaceindustries.com/enlist?referral=STAR-26K6-PTP4 Andrea MatesiSenior Professional Network and Computer Systems Engineer during… Read More
Windows XP, Vista, 7, 8/8.1 Auto-Login Howto. [UPDATE - 2016/Jul/30 - Windows 10 Support and Recommendations]: Thanks to Microsoft's policy of backwards compatibility, Windows 10 supports Autologin, so the below "ORIGINAL ARTICLE" instructions still do work. 'Though, before setting up Password-less Autologin on Windows 10, you might wish to investigate if your device supports Windows Hello and (if not), perhaps… Read More
Secure Restricted Groups to grant Local Admin Credentials to Domain Users. As I said on my previous post titled "3 ways to grant “Local Admin” permissions to Domain Users": There are 2 ways to use Restricted Groups. The first way simply adds New Users along the pre-existing Local Administrators Users (within the (Local) "Administrators"-Group). The second way resets (ie. deletes/wipes) ALL the pre-existing Local Administrators Users… Read More