Step-by-step help for your hosting

• Local Group Policy Editor basics for a standalone server

  Use gpedit.msc on a Windows VPS or Admin RDP that is not in a domain, understand computer and user settings, apply changes with gpupdate and check them with gpresult.

  IntermediateWindows server5 min read

• Use the built-in OpenSSH client in Windows Terminal

  Connect to your Linux VPS from Windows 10 or 11 with the built-in ssh command, create and store keys in your.ssh folder, and add a Windows Terminal profile that opens your server in one click.

  BeginnerLinux server5 min read

• Create a shared folder several users can edit

  Set up a folder on your Linux VPS that a team can all read and edit, using a shared group, the setgid bit, a 002 umask or default ACLs, and test it with two users.

  IntermediateLinux server4 min read

• Convert keys between PuTTY (.ppk) and OpenSSH formats

  Use PuTTYgen to convert a PuTTY.ppk private key to OpenSSH format and back, understand PPK version 2 and 3, generate a new Ed25519 key and load it in PuTTY.

  IntermediateLinux server5 min read

• Fine-grained permissions with ACLs (setfacl and getfacl)

  Give extra users or groups access to a file or folder without changing its owner, using POSIX ACLs with setfacl and getfacl, including default ACLs for new files.

  AdvancedLinux server4 min read

• Make files immutable with chattr and lsattr

  Protect important files from being changed or deleted, even by root, with the chattr immutable and append-only flags, and learn to spot and remove them with lsattr.

  IntermediateLinux server4 min read

• Update Docker containers safely (manually or with Watchtower)

  How to update Docker containers on a VPS without surprises. Pull and recreate with Compose, pin tags, roll back a bad update, and decide whether automatic updates with Watchtower suit your server.

  IntermediateLinux server5 min read

• IPv4 vs IPv6 explained

  A plain explanation of IPv4 and IPv6 addresses, why IPv6 exists, how to read your server's address, and what each means when you connect to a VPS or point a domain at it.

  Beginner4 min read

• When to use the browser console instead of SSH or RDP

  The browser console in your VPS provider's control panel gives you your server's screen in a browser tab. Learn when to use it, such as after a firewall or network mistake, and how to get back to SSH or RDP.

  Beginner4 min read

• Start a program automatically when you connect over RDP

  Compare the mstsc Programs tab and.rdp alternate shell with the Startup folder and logon tasks, then pick the right way to open an app when you connect.

  IntermediateWindows server5 min read

• Make Remote Desktop reconnect automatically after drops

  Turn on automatic reconnection in the Remote Desktop client and.rdp file, set a keep-alive interval on the server and check whether your network is the real cause.

  BeginnerWindows server5 min read

• chown: change file owner and group in Linux

  Use chown and chgrp to change who owns files on your Linux server, fix web root ownership after an upload, work recursively and understand how symbolic links are handled.

  BeginnerLinux server5 min read

• Manage many servers with a Remote Desktop connection manager

  Use RDCMan or mRemoteNG to keep many servers in groups with IP:3389 saved once, share credentials through inheritance and store passwords safely.

  IntermediateWindows server5 min read

• Connect to Remote Desktop with a domain name instead of an IP

  Point a DNS A record such as rdp.example.com at your server and connect as rdp.example.com:3389. Covers TTL, IP changes and testing with the hosts file.

  BeginnerWindows server4 min read

• Switch Apache MPM to event in cPanel

  Compare prefork, worker and event, switch Apache to the event MPM in EasyApache 4, move sites to PHP-FPM first and tune MaxRequestWorkers for your VPS.

  AdvancedLinux server4 min read

• Allow sudo without a password (NOPASSWD) for one user or command

  Let a deploy script or one trusted user run sudo without typing a password, using a NOPASSWD rule in /etc/sudoers.d, ideally limited to the exact commands needed.

  IntermediateLinux server5 min read

• Linux file permissions explained (rwx, owner, group, others)

  Learn to read ls -l output, what read, write and execute mean for files and folders, how owner, group and others work, and which numeric values like 644 and 755 to use.

  BeginnerLinux server5 min read

• Give a user sudo access to specific commands only

  Grant a Linux user root rights for a short list of commands, such as restarting one service, using Cmnd_Alias and full paths, and avoid the wildcard and shell-escape traps.

  AdvancedLinux server5 min read

• Docker restart policies: keep containers running after a reboot

  How Docker's restart policies work, what no, on-failure, always and unless-stopped do after a crash or VPS reboot, and how to change the policy on a container that is already running.

  BeginnerLinux server5 min read

• Docker networks: bridge, host and custom networks explained

  How Docker networking works on a VPS. Covers the default bridge, user-defined networks with built-in DNS, host mode, connecting containers across Compose projects and inspecting networks.

  IntermediateLinux server5 min read

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