grs blog

  • wifi does not reconnect after waking from sleep mode

    Recently we had to deal with a lenovo, equipped with a wifi adapter that could not reconnect, after laptop waking up from sleep mode. A reboot was required to make wireless adapter recover the problem. This frustrating issue occured in a lenovo ideapad 5 with the realtek rtl8852ae after a lenovo and windows update (2022, […]

  • mobius tape construction

    (14) Is it true that the Möbius strip is not impossible? – Quora Mobius Strip Video – YouTube

  • mobius tape

    https://www.quora.com/What-is-a-mobius-tape

  • laravel permissions

    Copied from: php – How to set up file permissions for Laravel? – Stack Overflow sudo chown -R $USER:www-data . Then I give both myself and the webserver permissions: sudo find . -type f -exec chmod 664 {} \; sudo find . -type d -exec chmod 775 {} \; Then give the webserver the rights […]

  • ssh in windows 11 – without putty, without ssh-agent

    You can do everything from windows cmd. There is no need to install putty or any other program, just 3 easy steps: Create a public and private key pair. Copy the public key to the server. Login with ssh through windows cmd. The above steps in detail: Create the keys in your windows 11 machine […]

  • SQLSTATE[28000]: [Microsoft][ODBC Driver 13 for SQL Server][SQL Server]Login failed for user ‘myusername’.

    Make sure the password in .ENV is quoted. See also: SQLSTATE[28000]: [Microsoft][ODBC Driver 13 for SQL Server][SQL Server]Login failed for user ‘myusername’. (laracasts.com)

  • zimbra – network service error

    Users get ‘Network service error’, and mailbox.log shows ‘Access to IP x.x.x.x suspended, for repeated failed login’ – Zimbra :: Tech Center

  • how to check size of zimbra mail accounts from terminal

    The most easy way to see the size of all zimbra mailboxes is to ssh into your zimbra server and type the following: $ su – zimbra $ all_accounts=zmprov -l gaa; for account in $all_accounts; do mbox_size=zmmailbox -z -m $account gms; echo “Mailbox size of $account = $mbox_size”; done ;

  • bluedio T7 language reset

    Bluedio T7 is nice until it defaults to a language you don’t get. Manual does not say much about switching languages. Search engines didn’t helped either. What we did is try several combinations and we were lucky by simultaneously pressing [+] [-] [play] and the so called “multi function” button. Press everything at the same […]

  • install php sqlsrv driver on ubuntu 20.04

    Suppose you want to access a data source that lies on microsoft sql server dbms — most probably installed on a windows server machine, although mssql server is now a well fit also on linux machines (see: Ubuntu: Install SQL Server on Linux – SQL Server | Microsoft Docs, btw, this guide is tested a […]

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