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Excel Tips Visualize complex expressions (e.g. nested IFs) https://www.excelformulabeautifier.com/ Distinct and Unique values These examples assume a range of v...

Update#2: ρύθμιση για windows αντί για Linux στο script file iometer file access server.fio Update#1: με τις μετρήσεις του Dell E5530... τρέξ' το ξανά σε safe mo...

About Firefox Advanced search for your bookmarks Run these SQL commands on \Mozilla\Firefox\Profiles\...\places.sqlite (you may want to use the free DB Browser f...

Gluster: How I installed it (nasos1,2) Good Web resources about Gluster and Samba Performance Testing Gluster Docs http://gluster.readthedocs.io/en/latest/Admi...

About GPO How to use Σύνδεση καινούργιου gpo με το domain Το gpo που θα δημιουργήσουμε πρέπει να γίνει στο domain και όχι κάπου αλλού Δεξί κλικ πάνω στο mazars ...

Transliteration of Greek Letters to Latin Για την απόδοση ελληνικών ονομάτων/τίτλων με λατινικούς χαρακτήρες βασιζόμαστε στο πρότυπο ΕΛΟΤ 743/ISO 843:1999 και συγ...

About Humans We are not as smart as we think we are Μedical error is estimated by the Institute of Medicine to be the third leading cause of death in the United...

About email https://www.uriports.com/blog/introduction to spf dkim and dmarc/ https://www.learndmarc.com/

About Microphone in Lenovo Laptops What to do to Fix the microphone camera or Sound Not working 1. Righ click on the computer and choose settings 2. In the right...

About OneDrive How to stop syncing folders (and then delete them) In the next screenshot we are about to stop syncing "IT Support Documents". We have also stop...

About OpenVpn About OpenVPN SERVER If you want to install the SERVER part of OpenVPN on windows 10 see https://shebangthedolphins.net/vpn_openvpn_windows_server....

Troubleshooting Outlook sync does not complete, user can not send emails The Symptom Sync begins but does not complete (e.g. stops at 80%). Also the user is not...

SambaTesting Created Δευτέρα 24 Απρίλιος 2017 MoveToFossWiki see also https://wiki.samba.org/index.php/Troubleshooting_Samba_Domain_Members see also https://wiki....

About Sharepoint/One Drive Βλέπε Office365TipsSharePoint

Speedify Speedify is a VPN that can combine multiple Internet connections either to increase speed or to increase quality (lower packet loss latency by sending ...

About SQL (the languate) Cheat Sheet SHOW DATABASES; # show databases USE dbname; # change database SHOW TABLES; # show all tables DESCRIBE tbl1; # show table fi...

Microsoft Teams Troubleshooting Αν ο χρήστης δεν μπορεί να κάνει sign in στο Teams * δεξί κλικ στο teams * αντιμετώπιση προβλημάτων συμβατότητας.

USB cables and connectors Most Connectors A USB type Micro B plug (AKA micro USB) was the most popular plug for charging mobile phones before USB type C USB Mic...

Unifi The automagic way With this way Unifi's will find the controller automagically. First make sure that these ports of the PC running the controller S/W are o...

Regarding UPS When to change batteries If it's been * N years* since the last change of batteries you must change them. N=1.5 years for normal batteries and 3.5 ...

WSL (Linux on Windows) Install WSL2 https://ubuntu.com/tutorials/install ubuntu on wsl2 on windows 11 with gui support#3 download ubuntu Useful linux tools you m...

Toggling AutoCorrect Settings by Allen Wyatt (last updated July 13, 2019) original article: https://word.tips.net/T001738_Toggling_AutoCorrect_Settings.html I...

Zanadoo Telephony How to receive/make calls from Firefox/Chrome Android "Vodia Phone" (and other WebRTC apps) The web address is https://112310.z1.vpbx.gr/ The u...

Automatic Login Windows FROM USER ACCOUNTS 1 Hold the Windows Key and press “R” to bring up the Run dialog box. 1 Type “control userpasswords2” without quo...

How to use ddrescue to clone disk drive (better than ghost for failing drives) See also DataRecoveryCleanupFiles 1. Identify disks Run this to identify the d...

Various Concepts Port Forwarding (and NAT Network Address Translation, in this drawing we describe only Destination NAT (DNAT))

Cleanup files of well known type Run this bash script from a directory full of files of well known type (e.g. doc, docx, pdf, jpg etc) and it will move those that...

DFS Replication Gregory H Hall May 13, 2014 at 3:27 UTC #91;DataGuys is an IT service provider. : DFS R only works for file sets that are pretty much static. Oth...

Event ID 1056 — DHCP Server DNS Registration The DHCP service has detected that it is running on a DC and has no credentials configured for use with Dynamic DNS r...

DisableUACThroughGPO disable UAC in the Group Policy Management. * Screenshot (16).png: Το UAC είναι για να κανει disable το administrator prompt. * ...

Best practices for DNS settings on DC and domain members. Configuration of Domain controller A domain controller also acts as a DNS server. Here's how to configu...

Enable Bitlocker In External Driver If the option Turn on bitlocker doesn't appear then: 1 Run cmd as admin 1 diskpart 1 list disk 1 select disk ### ...

Set your computer to shut down when pressing the power button and closing the lid instead of sleeping Run regedit (as admin) go to: HKEY_Local_Machine\Syste...

Άλλα σχετικά με Hardware Κόστος Ρεύματος 163€ ΦΠΑ/100Watt είναι το τελικό ετήσιο κόστος με βάση λογαριασμό ΔΕΗ με ονομαστικό κόστος ανά kWh 0,08259€. Στο ονομαστ...

Windows: quickly check if all ports of your servers are open Installation Configuration 1 Copy the contents of \enLogic\IT Support Documents\scripts_and_S...

Hyper v Under Full Windows OS This section is about running hyper v UNDER FULL GUI WINDOWS OS not the GUI less hyper v Server under Windows core. How much RAM...

Group Policy: How to create a policy that deploy Fonts I was recently asked today, is it possible to deploy fonts via a GPO. Why yes, sir, it is possible was my ...

InstallMSIThroughGPO Αρχικά πρέπει να σιγουρέψουμε πως υπάρχει ένα share στον server. Δημιουργούμε ένα φακελο στον τοπικό δίσκο του server. Τον ονομάζουμε Shares....

Virtual Private Server hosting Popular Virtual Private Server Hosting (besides Amazon, Google, Azure) DigitalOcean, linode, OVH (ovh.co.uk) Jan2020 price compar...

iperf Run on server iperf s i 1 # (older versions support also option m) (on linux you should disable the firewall or allow connections to port 5001 UDP/TCP ...

Lenovo Laptops How to boot from external media New Lenovo laptops will not allow you to boot from any source other than the internal hard drive and will not allo...

# ubuntu/clonzilla commands# for clonzilla only# # start it, select enter shell and then:sudo su start service ssh # start ssh servicedhclient # obtain IP from DH...

Linux Commands File operations Disk copying dd if=/dev/sdX of=/dev/sdY bs=128M # copy all sectors of sdX to sdY (sdY =sdX) Disk cleanup dd if=/dev/zero of=/dev...

Linux: How to sync large binary files to another host rsync is not for files 10MBytes ("rsync is hugely inefficient with huge files. Even with inplace it will f...

Linux, KVM Hypervisor pfSense Guests Read this: https://www.netgate.com/docs/pfsense/virtualization/virtio driver support.html Windows Guests How to convert a ...

How to use strace to troubleshoot problems in Linux (and don't forget there's also ltrace) Strace Cheat Sheet – Overview Useful options and examples * c – Se...

ltrace ltrace is similar to strace. While strace only works for system calls, ltrace will log both library calls and system calls made by that process.

Service: Office 365 Security Compliance 1 Description: Find spam emails and Delete it from all Users 1 Style: Cloud Service 1 Hosted by: Cloud 1 Sup...

Microsoft 365 AKA Office 365. Related services * Office365AdminWithPowershell * Office365TipsExchange * Office365TipsSecurityAndAuditing ...

Rare Problems And their Fix License Cleanup Use This Link To download and run the Clean (DONT USE WITH Pirate Editions) https://download.microsoft.com/download/...