Step-by-step guides on VPS, Linux, Docker, Proxmox and self-hosted software from the UnixHost team.https://unixhost.pro/blog/enhttps://unixhost.pro/blog/2022/11/setup-docker-container-on-routeros-mikrotik/https://unixhost.pro/blog/2022/11/setup-docker-container-on-routeros-mikrotik/Run containers on a MikroTik router: requirements, enabling container mode, veth networking, and pulling an image from Docker Hub with Pi-hole as the example.Tue, 01 Nov 2022 00:00:00 GMTManualsmikrotikrouterosdockercontainerspi-holehttps://unixhost.pro/blog/2023/02/detailed-instructions-on-working-with-scp/https://unixhost.pro/blog/2023/02/detailed-instructions-on-working-with-scp/How to use scp on Linux, macOS and Windows: syntax, examples for files and directories, custom ports, keys, speed limits and fixes for common errors.Mon, 20 Feb 2023 00:00:00 GMTLinux commandsscpsshfile transferlinuxhttps://unixhost.pro/blog/2023/02/how-to-reset-root-password-in-linux/https://unixhost.pro/blog/2023/02/how-to-reset-root-password-in-linux/Recover a forgotten root password on a Linux server: with sudo, through GRUB on Ubuntu and Debian, with rd.break on AlmaLinux and Rocky Linux, or in rescue mode.Tue, 21 Feb 2023 00:00:00 GMTManualsrootpassword resetgrublinuxrecoveryhttps://unixhost.pro/blog/2023/02/installing-vaultwarden-bitwarden-on-a-vps/https://unixhost.pro/blog/2023/02/installing-vaultwarden-bitwarden-on-a-vps/Deploy Vaultwarden, a lightweight Bitwarden-compatible server, with Docker on a VPS: container setup, HTTPS, admin panel, backups and updates.Mon, 06 Feb 2023 00:00:00 GMTManualsvaultwardenbitwardenpassword managerdockersecurityhttps://unixhost.pro/blog/2023/06/two-factor-ssh-authentication/https://unixhost.pro/blog/2023/06/two-factor-ssh-authentication/Add one-time codes from an authenticator app to SSH logins: install the PAM module, configure sshd for key plus code, keep recovery codes and roll back safely.Mon, 19 Jun 2023 00:00:00 GMTManualsssh2fatotpsecuritypamhttps://unixhost.pro/blog/2026/11/adguard-home-on-a-vps/https://unixhost.pro/blog/2026/11/adguard-home-on-a-vps/Install AdGuard Home on your own VPS: a DNS server that blocks ads and trackers, encrypted DNS for phones, and protection against abuse by strangers.Thu, 12 Nov 2026 00:00:00 GMTManualsadguard homednsad blockingprivacyvpshttps://unixhost.pro/blog/2026/11/adminer-installation-and-database-management/https://unixhost.pro/blog/2026/11/adminer-installation-and-database-management/Adminer is a lightweight single-file alternative to phpMyAdmin. Install it on a server with Nginx or in Docker, log in to MySQL and PostgreSQL, and lock it down.Thu, 12 Nov 2026 00:00:00 GMTManualsadminermysqlpostgresqldatabasesphpmyadminhttps://unixhost.pro/blog/2026/11/building-a-vpn-network-with-zerotier/https://unixhost.pro/blog/2026/11/building-a-vpn-network-with-zerotier/Step-by-step ZeroTier setup: create a network, install the client on Linux, Windows and phones, authorise devices and reach a local network through a gateway.Thu, 12 Nov 2026 00:00:00 GMTManualszerotiervpnnetworkingremote accesslinuxhttps://unixhost.pro/blog/2026/11/cockpit-web-interface-for-linux-server/https://unixhost.pro/blog/2026/11/cockpit-web-interface-for-linux-server/Install Cockpit on Ubuntu, Debian and AlmaLinux: load monitoring, services, logs, disks and a terminal in the browser. Add-on modules and securing the panel.Thu, 12 Nov 2026 00:00:00 GMTManualscockpitadministrationmonitoringlinuxweb panelhttps://unixhost.pro/blog/2026/11/cron-linux-crontab-syntax-and-examples/https://unixhost.pro/blog/2026/11/cron-linux-crontab-syntax-and-examples/How cron works on Linux: the crontab line format, ready-to-use schedule examples, logging output, preventing overlapping runs and fixing common mistakes.Thu, 12 Nov 2026 00:00:00 GMTManualscroncrontablinuxautomationhttps://unixhost.pro/blog/2026/11/fail2ban-installation-and-configuration/https://unixhost.pro/blog/2026/11/fail2ban-installation-and-configuration/How to install and configure Fail2Ban on Ubuntu, Debian and RHEL: SSH brute-force protection, journald and nftables setup, and commands to ban and unban.Thu, 12 Nov 2026 00:00:00 GMTManualsfail2bansshsecuritynftablesserver hardeninghttps://unixhost.pro/blog/2026/11/free-zerossl-certificate-with-acme-sh/https://unixhost.pro/blog/2026/11/free-zerossl-certificate-with-acme-sh/Get a free auto-renewing ZeroSSL certificate with acme.sh: install the client, issue certificates for Nginx and Apache, and get a wildcard through DNS.Thu, 12 Nov 2026 00:00:00 GMTManualssslzerosslacme.shhttpsnginxhttps://unixhost.pro/blog/2026/11/hestiacp-free-hosting-control-panel/https://unixhost.pro/blog/2026/11/hestiacp-free-hosting-control-panel/Install the free HestiaCP control panel on a VPS with Debian or Ubuntu: requirements, installer options, first login, adding a site, SSL and mail.Thu, 12 Nov 2026 00:00:00 GMTManualshestiacpcontrol panelhostingdebianubuntuhttps://unixhost.pro/blog/2026/11/how-to-change-the-rdp-port/https://unixhost.pro/blog/2026/11/how-to-change-the-rdp-port/Change the default RDP port 3389 through the registry or PowerShell, open the new port in Windows Firewall and reconnect without losing access to the server.Thu, 12 Nov 2026 00:00:00 GMTManualsrdpwindowswindows serversecurityhttps://unixhost.pro/blog/2026/11/how-to-change-the-ssh-port/https://unixhost.pro/blog/2026/11/how-to-change-the-ssh-port/Change the default SSH port 22 without losing access: sshd_config, the ssh.socket quirk on Ubuntu, UFW, firewalld and SELinux rules, and testing the login.Thu, 12 Nov 2026 00:00:00 GMTManualssshsecurityubuntudebianfirewallhttps://unixhost.pro/blog/2026/11/how-to-connect-to-a-server-via-ssh/https://unixhost.pro/blog/2026/11/how-to-connect-to-a-server-via-ssh/Step-by-step guide to SSH access to a VPS: the built-in Windows client, PuTTY, Linux and macOS, key-based login, the config file and fixes for common errors.Thu, 12 Nov 2026 00:00:00 GMTManualssshvpswindowslinuxsecurityhttps://unixhost.pro/blog/2026/11/how-to-install-docker-on-ubuntu/https://unixhost.pro/blog/2026/11/how-to-install-docker-on-ubuntu/Install Docker Engine on Ubuntu from the official repository: post-install setup, essential commands, log size limits, disk clean-up and removal.Thu, 12 Nov 2026 00:00:00 GMTManualsdockerubuntucontainersdocker installhttps://unixhost.pro/blog/2026/11/how-to-open-ext4-disk-on-windows/https://unixhost.pro/blog/2026/11/how-to-open-ext4-disk-on-windows/Three ways to read a Linux ext4 partition on Windows: the built-in wsl --mount command, free reader tools, and transferring the files over the network.Thu, 12 Nov 2026 00:00:00 GMTManualsext4windowswsllinuxdiskshttps://unixhost.pro/blog/2026/11/how-to-update-exim/https://unixhost.pro/blog/2026/11/how-to-update-exim/Check the Exim mail server version and update it on Debian, Ubuntu, AlmaLinux and cPanel servers. Automatic security updates and post-update checks.Thu, 12 Nov 2026 00:00:00 GMTManualseximmail serverupdatesecurityhttps://unixhost.pro/blog/2026/11/how-to-update-portainer/https://unixhost.pro/blog/2026/11/how-to-update-portainer/Update Portainer CE without losing settings: back up first, replace the container with docker run or Docker Compose, and choose between the LTS and STS branches.Thu, 12 Nov 2026 00:00:00 GMTManualsportainerdockerupdatehttps://unixhost.pro/blog/2026/11/install-lemp-nginx-mysql-php-on-ubuntu/https://unixhost.pro/blog/2026/11/install-lemp-nginx-mysql-php-on-ubuntu/Set up a LEMP web server on Ubuntu: install Nginx, MySQL and PHP-FPM, create a database, configure a site, test PHP and add a free SSL certificate.Thu, 12 Nov 2026 00:00:00 GMTManualslempnginxmysqlphpubuntuhttps://unixhost.pro/blog/2026/11/install-zabbix-on-ubuntu/https://unixhost.pro/blog/2026/11/install-zabbix-on-ubuntu/Step-by-step installation of the Zabbix 8.0 LTS monitoring server on Ubuntu 24.04 with MySQL and Nginx: repository, database, web interface and adding agents.Thu, 12 Nov 2026 00:00:00 GMTManualszabbixmonitoringubuntumysqlnginxhttps://unixhost.pro/blog/2026/11/install-zsh-and-oh-my-zsh/https://unixhost.pro/blog/2026/11/install-zsh-and-oh-my-zsh/How to install Zsh and Oh My Zsh on Ubuntu, Debian, Fedora and Arch: set the default shell, pick a theme, and add useful plugins and command autosuggestions.Thu, 12 Nov 2026 00:00:00 GMTManualszshohmyzshterminallinuxhttps://unixhost.pro/blog/2026/11/mailcow-your-own-mail-server/https://unixhost.pro/blog/2026/11/mailcow-your-own-mail-server/Deploy the Mailcow mail server in Docker: requirements, DNS records, installation, adding a domain and mailboxes, DKIM and DMARC setup, updates and backups.Thu, 12 Nov 2026 00:00:00 GMTManualsmailcowmail serverdockerdkimsmtphttps://unixhost.pro/blog/2026/11/migrating-mail-with-imapsync/https://unixhost.pro/blog/2026/11/migrating-mail-with-imapsync/Move mailboxes to a new server with imapsync: running it in Docker, a dry run, transferring folders and messages, bulk migration and the switchover order.Thu, 12 Nov 2026 00:00:00 GMTManualsimapsyncemailimapmigrationmail serverhttps://unixhost.pro/blog/2026/11/mikrotik-basic-firewall-rules-routeros-7/https://unixhost.pro/blog/2026/11/mikrotik-basic-firewall-rules-routeros-7/Build a MikroTik firewall from scratch: input and forward chains, brute-force protection, disabling unused services and safe remote access to the router.Thu, 12 Nov 2026 00:00:00 GMTManualsmikrotikrouterosfirewallsecuritynetworkinghttps://unixhost.pro/blog/2026/11/nginx-proxy-manager-installation-and-setup/https://unixhost.pro/blog/2026/11/nginx-proxy-manager-installation-and-setup/Install Nginx Proxy Manager in Docker and set up a reverse proxy through its web interface: domains, free SSL certificates, access lists and securing the panel.Thu, 12 Nov 2026 00:00:00 GMTManualsnginx proxy managernginxreverse proxyssldockerhttps://unixhost.pro/blog/2026/11/password-protect-directory-with-htaccess/https://unixhost.pro/blog/2026/11/password-protect-directory-with-htaccess/Lock a directory or a single file behind a password: create .htpasswd, add .htaccess directives for Apache, combine with IP restrictions, and do the same in Nginx.Thu, 12 Nov 2026 00:00:00 GMTManualshtaccesshtpasswdapachesecuritynginxhttps://unixhost.pro/blog/2026/11/port-knocking-hide-ssh-port/https://unixhost.pro/blog/2026/11/port-knocking-hide-ssh-port/Set up port knocking with knockd: the SSH port stays closed and opens only after a secret sequence of connection attempts. Installation, configuration, clients.Thu, 12 Nov 2026 00:00:00 GMTManualsport knockingknockdsshfirewallsecurityhttps://unixhost.pro/blog/2026/11/rclone-server-backup-to-cloud-and-s3/https://unixhost.pro/blog/2026/11/rclone-server-backup-to-cloud-and-s3/Set up rclone for backups to cloud storage and S3: installation, connecting a remote, essential commands, encrypting backups and running them on a schedule.Thu, 12 Nov 2026 00:00:00 GMTManualsrclonebackups3cloudencryption