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@valorad
valorad / openssh-setup.md
Last active August 27, 2023 18:06
SSH Private key set-ups on Linux and on Windows

Linux

ssh-keygen -t ed25519

cat ~/.ssh/id_ed25519.pub > ~/.ssh/authorized_keys
chmod 700 ~/.ssh
chmod 400 ~/.ssh/authorized_keys
chmod 400 ~/.ssh/id_ed25519
@valorad
valorad / windows11-post-installs.md
Last active November 6, 2023 17:59
Post Installation steps for Windows 11

Activation

Activate with money or with your favorite tools.

Create folders

  • _staging (or M:) downloadCenter
  • (Shortcut) %HOME%\Downloads\localDownloadCenter

Personalization

  • Change host name (with powershell Rename-Computer)
@valorad
valorad / fcos-post-installs.md
Last active September 29, 2024 17:27
Fedora Core OS post installation steps

Podman sucks at this stage. Please enable docker

  1. Enable docker
systemctl enable docker
  1. Add yourself to docker group. Log out and log back in to take effect



  


  




    


          
    

      

        
        

          

              @valorad
          

          

            
                valorad
                / proxmox-ct-mount.md
            
            

              Last active
              October 24, 2023 16:52
            

              
                Proxmox Container Mounting
              
          

        

      

        

  

      

    
Need to login as root


Host: /etc/pve/lxc/XXX.conf


arch: amd64
cores: 1
features: nesting=1
hostname: MY_HOST_NAME
memory: 512



  


  




    


          
    

      

        
        

          

              @valorad
          

          

            
                valorad
                / config.txt
            
            

              Last active
              November 6, 2022 23:07
            

              
                SSH Config Examples
              
          

        

      

        

  

    
    


        



  


  

        

          
          # Linux: /home/me/.ssh/config
        

        

          
          # macOS: /Users/me/.ssh/config
        

        

          
          # Windows: C:\Users\me\.ssh\config
        

        

          
          

        

        

          
          # macOS - localhost - fish shell
        

        

          
          HOST localhost
        

        

          
            Hostname localhost
        

        

          
            User me
        

        

          
            Port 22
        

        

          
            IdentityFile /Users/me/.ssh/id_ed25519
        

  





    


  




    


          
    

      

        
        

          

              @valorad
          

          

            
                valorad
                / getRandomNumberBetween.apex
            
            

              Last active
              February 2, 2024 19:45
            

              
                Salesforce Apex get a random Integer number ∈ [minValue, maxValue)
              
          

        

      

        

  

    
    


        



  


  

        

          
            /**
        

        

          
             * get a random Integer number ∈ [minValue, maxValue)
        

        

          
             */
        

        

          
            public Integer getRandomNumberBetween(Integer minValue, Integer maxValue) {
        

        

          
          

        

        

          
              if (minValue > maxValue) {
        

        

          
                // swap position
        

        

          
                Integer tmp = minValue;
        

        

          
                minValue = maxValue;
        

        

          
                maxValue = tmp;
        

  





    


  




    


          
    

      

        
        

          

              @valorad
          

          

            
                valorad
                / proxmox-replace-disk.md
            
            

              Created
              June 5, 2022 15:04
            

              
                Proxmox use existing disk image
              
          

        

      

        

  

      

    
use existing disk image


    

  • create a vm
    • 

  • note down the vm id, disk location and disk size.
    • 

  • enter directory and make sure size is correct
    • 

  • replace the disk.raw file
    • 

  • enter command: qm rescan
    • 




  


  




    


          
    

      

        
        

          

              @valorad
          

          

            
                valorad
                / Powershell-set-alias.md
            
            

              Last active
              June 5, 2022 13:53
            

              
                Powershell set alias
              
          

        

      

        

  

      

    
destroyVBox


e.g. Destroy VirtualBox
(With Chocolatey already installed)


set-alias -name destroy -value "cuninst"
destroy virtualbox





  


  




    


          
    

      

        
        

          

              @valorad
          

          

            
                valorad
                / mount-cifs-smb.md
            
            

              Last active
              June 5, 2022 15:21
            

              
                linux mount cifs (smb share)
              
          

        

      

        

  

      

    
Create credentials


=> /etc/samba/credentials


username=myuser123
password=xxxxxxxx






  


  




    


          
    

      

        
        

          

              @valorad
          

          

            
                valorad
                / openSSH-instructions.md
            
            

              Created
              June 5, 2022 13:41
            

              
                OpenSSH Instructions
              
          

        

      

        

  

      

    
Linux


ssh-keygen -t ed25519

cat ~/.ssh/id_ed25519.pub > ~/.ssh/authorized_keys
chmod 700 ~/.ssh
chmod 400 ~/.ssh/authorized_keys