To transfer a KVM virtual machine (VM) from one host to another, you can follow the steps below: Make sure you have the same version of KVM on both hosts. You can verify this by running the kvm –version command. Stop the VM you want to transfer. You can do this using the command virsh…
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Helpers are a way to extend a class without using inheritance, which is also useful for records that don’t allow inheritance at all. Official documentation is available at: https://docwiki.embarcadero.com/RADStudio/Sydney/en/Class_and_Record_Helpers_(Delphi). I often found myself creating code to export a dataset or a single record with its values in an SQL statement, and every time I wrote…
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To update Apache2 to the lasted version on Ubuntu is quite simpe: Verify current Apache version:
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sudo apache2 -v |
Add Apache repository:
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sudo add-apt-repository ppa:ondrej/apache2 |
Update apt:
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sudo apt update |
Upgrade apt:
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sudo apt upgrade |
And now ( in my case, with Ubuntu 22.04 current date) my new Apache2 release is:
Install samba server:
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sudo apt install samba |
backup config filee:
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sudo cp /etc/samba/smb.conf /etc/samba/smb.conf_backup |
create a shared folder for your user, like:
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mkdir /home/<username>/mmyshare |
edit samba config file:
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nano /etc/samba/smb.conf |
replace all smb.conf with this:
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[global] workgroup = WORKGROUP server string = %h server (Samba, Ubuntu) log file = /var/log/samba/log.%m max log size = 1000 logging = file panic action = /usr/share/samba/panic-action %d server role = standalone server obey pam restrictions = yes unix password sync = yes passwd program = /usr/bin/passwd %u passwd chat = *Enter\snew\s*\spassword:* %n\n *Retype\snew\s*\spassword:* %n\n *password\supdate$ pam password change = yes map to guest = bad user usershare allow guests = yes [printers] comment = All Printers browseable = no path = /var/spool/samba printable = yes guest ok = no read only = yes create mask = 0700 [print$] comment = Printer Drivers path = /var/lib/samba/printers browseable = yes read only = yes guest ok = no [mysharename] comment = public anonymous access path = /home/<username>/mmyshare browsable =yes create mask = 0660 directory mask = 0771 writable = yes guest ok = no |
restart samba:
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sudo systemctl restart smbd |
associarte a samba password to your systemm user:
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sudo smbpasswd -a <username> |
restart samba:
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sudo systemctl restart smbd |
Mount your share in MS Windows via shell by create a new…
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How to execute a method inside a TThread synchronously with the main Thread of the application is quite simple. Suppose we want to synchronize access to a count variable, we can use the TThread.Synchronize and TThread.Queue methods. The TThread.Syncronize method immediately executes the method interrupting the execution of the main Thread immediately while the TThread.Queue…
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Today I tried to talk about programming with chatGPT…. and I must say I was amazed First I asked him for the code for a web server in Delphi: Then I asked him to add support for SSL Then if you give me an example of Machine Learning in Delphi Then I asked him what he…
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