You do not need a Google account to back up your Android device. This guide covers several methods to back up contacts, apps, and files locally or to your own server.Backup with ADBadb backup -apk -shared -all -f backup.abSync Files via USBConnect your phone to a computer and copy the contents of /sdcard/ manually using a file manager.Use Syncthing for Wireless SyncInstall Syncthing on both your phone and computer to continuously sync selected…
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ADB (Android Debug Bridge) is a command-line tool that lets you communicate with Android devices from your computer. It is part of the Android SDK Platform Tools.Install ADBsudo apt install adb # Linux winget install Google.PlatformTools # WindowsConnect a DeviceEnable USB Debugging on the device, connect via USB, and authorize the connection on screen.adb devicesCommon Commandsadb shell # Open a shell on device adb…
Developer Options is a hidden menu in Android that unlocks advanced settings for developers and power users, including USB debugging, OEM unlocking, and animation speed controls.Enable Developer OptionsGo to Settings > About Phone > Build Number and tap it 7 times rapidly. You will see a toast message saying "You are now a developer."Enable USB DebuggingGo to Settings > Developer Options and toggle USB Debugging on. This…
The macOS Application Firewall controls which applications are allowed to accept incoming network connections. It is different from a traditional port-based firewall.Enable the FirewallGo to System Settings > Network > Firewall and toggle it on.Enable Stealth ModeClick Options and enable Enable stealth mode to prevent your Mac from responding to ping requests.Manage App PermissionsUnder Options, you can allow or…
Too many login items slow down your Mac's boot time. macOS Ventura reorganized startup management under a new System Settings location.View Login ItemsGo to System Settings > General > Login Items. Here you see apps that open at login and background services.Remove an ItemSelect the item and click the minus (-) button to remove it.Via Terminalosascript -e 'tell application "System Events" to get the name of every login…
The Terminal app gives you direct access to the Unix shell underneath macOS. This guide covers the essential commands every Mac user should know.Open TerminalFind it in Applications > Utilities > Terminal or search with Spotlight (Cmd+Space).Essential Commandspwd # Show current directory ls -la # List files with details cd ~/Desktop # Change directory mkdir myfolder # Create a folder cp file.txt backup.txt # Copy a file rm file.txt #…
Time Machine is macOS's built-in backup solution. It automatically backs up your entire Mac to an external drive or a network location.Connect a Backup DriveConnect an external drive with enough space (at least the same size as your Mac's storage).Configure Time MachineGo to System Settings > General > Time Machine, click Add Backup Disk, and select your drive.Manual Backuptmutil startbackupExclude…
FileVault is the built-in full-disk encryption feature in macOS. It protects all data on your Mac by encrypting it with XTS-AES-128 encryption.Enable FileVaultGo to System Settings > Privacy & Security > FileVault and click Turn On.Save the Recovery KeyYou can store the key with Apple or manage it locally. Store it securely — losing it means losing access to all your data.Check Encryption ProgressEncryption happens in…
Samba lets Linux systems share files and printers with Windows machines using the SMB protocol. This guide sets up a basic shared folder accessible from Windows.Install Sambasudo apt install sambaCreate a Shared Directorysudo mkdir /srv/samba/shared sudo chmod 777 /srv/samba/sharedConfigure SambaAdd to /etc/samba/smb.conf:[shared] path = /srv/samba/shared browseable = yes writable = yes guest ok = yesRestart…
htop is an interactive process viewer for Linux that provides a real-time overview of CPU, RAM, and swap usage with a user-friendly interface.Install htopsudo apt install htop # Debian/Ubuntu sudo dnf install htop # Fedora/RHELLaunch htophtopKey Shortcuts Inside htopF6 — Sort by columnF9 — Kill a processF5 — Tree viewF4 — Filter by…