diff --git a/client/server_scripts/check_server.sh b/client/server_scripts/check_server.sh
new file mode 100755
index 00000000..2db63fc5
--- /dev/null
+++ b/client/server_scripts/check_server.sh
@@ -0,0 +1,519 @@
+#!/bin/sh
+
+LOG_DATE=$(date -u +'%Y%m%d-%H%M%S')
+SCRIPT_DIR=$(dirname "$0")
+LOG_FILE="${SCRIPT_DIR}/server-diagnostics-${LOG_DATE}.log"
+
+# Logging function (sh compatible)
+log_and_display() {
+    if [ "$1" = "-n" ]; then
+        shift
+        printf "%s" "$*" | tee -a "$LOG_FILE"
+    else
+        echo "$1" | tee -a "$LOG_FILE"
+    fi
+}
+
+# Redirect stderr to stdout for logging
+exec 2>&1
+
+header() {
+    log_and_display ""
+    log_and_display "=== $1 ==="
+}
+
+# Pause for cancellation
+log_and_display ""
+log_and_display "VPN Server Diagnostics will start in 9s. Press Ctrl+C to cancel."
+sleep 9
+
+log_and_display ""
+header "STARTING VPN SERVER DIAGNOSTICS"
+log_and_display ""
+
+# ------------------------------------------------------------------------------
+# 1. Basic system information
+# ------------------------------------------------------------------------------
+header "System Information"
+
+# Uptime
+UPTIME_STR=$(awk '{printf "%d:%02d:%02d", int($1/3600), int(($1%3600)/60), int($1%60)}' /proc/uptime 2>/dev/null || echo "unknown")
+    log_and_display "Uptime (H:M:S): $UPTIME_STR"
+
+# Date/time UTC
+DATE_UTC=$(date -u +'%d %b %Y|%T' 2>/dev/null || echo "unknown")
+    log_and_display "Date|Time (UTC): $DATE_UTC"
+
+# Init system (PID 1)
+INIT_NAME=$(cat /proc/1/status 2>/dev/null | head -1 | awk '{print $2}' 2>/dev/null || echo "unknown")
+    log_and_display "Init system (PID 1): $INIT_NAME"
+
+# Locale
+if echo "$LANG" | grep -E '^(en_US.UTF-8|C.UTF-8|C)$' >/dev/null 2>&1; then
+  log_and_display "Locale: $LANG"
+else
+  log_and_display "Locale: $LANG (not en_US.UTF-8, C.UTF-8 or C)"
+fi
+
+# ------------------------------------------------------------------------------
+# 2. Package manager detection
+# ------------------------------------------------------------------------------
+header "Package Manager Information"
+
+if command -v apt-get >/dev/null 2>&1; then
+  log_and_display "Package Manager: APT"
+  PM="apt-get"
+  PM_VER_OPT="--version"
+  DOCKER_PKG="docker.io"
+elif command -v dnf >/dev/null 2>&1; then
+  log_and_display "Package Manager: DNF"
+  PM="dnf"
+  PM_VER_OPT="--version"
+  DOCKER_PKG="docker"
+elif command -v yum >/dev/null 2>&1; then
+  log_and_display "Package Manager: YUM"
+  PM="yum"
+  PM_VER_OPT="--version"
+  DOCKER_PKG="docker"
+elif command -v zypper >/dev/null 2>&1; then
+  log_and_display "Package Manager: ZYPPER"
+  PM="zypper"
+  PM_VER_OPT="--version"
+  DOCKER_PKG="docker"
+elif command -v pacman >/dev/null 2>&1; then
+  log_and_display "Package Manager: PACMAN"
+  PM="pacman"
+  PM_VER_OPT="--version"
+  DOCKER_PKG="docker"
+elif command -v opkg >/dev/null 2>&1; then
+  log_and_display "Package Manager: OPKG - Not supported on this platform"
+  PM="opkg"
+  PM_VER_OPT="--version"
+  DOCKER_PKG="docker"
+else
+  log_and_display "Package Manager: Unknown"
+  # fallback
+  PM="uname"
+  PM_VER_OPT="-a"
+  DOCKER_PKG="docker"
+fi
+
+# Check package versions
+log_and_display ""
+log_and_display "Package versions:"
+
+# Check sudo
+if [ "$PM" = "apt-get" ]; then
+  sudo_version=$(dpkg -s "sudo" 2>/dev/null | grep '^Version:' | awk '{print $2}' || echo "not installed")
+elif [ "$PM" = "dnf" ] || [ "$PM" = "yum" ] || [ "$PM" = "zypper" ]; then
+  sudo_version=$(rpm -q "sudo" 2>/dev/null || echo "not installed")
+elif [ "$PM" = "pacman" ]; then
+  sudo_version=$(pacman -Q "sudo" 2>/dev/null || echo "not installed")
+elif [ "$PM" = "opkg" ]; then
+  sudo_version=$(opkg info "sudo" 2>/dev/null | grep '^Version:' | awk '{print $2}' || echo "not installed")
+else
+  sudo_version="unknown"
+fi
+log_and_display "  sudo: $sudo_version"
+
+# Check Docker package
+if [ "$PM" = "apt-get" ]; then
+  docker_pkg_version=$(dpkg -s "$DOCKER_PKG" 2>/dev/null | grep '^Version:' | awk '{print $2}' || echo "not installed")
+elif [ "$PM" = "dnf" ] || [ "$PM" = "yum" ] || [ "$PM" = "zypper" ]; then
+  docker_pkg_version=$(rpm -q "$DOCKER_PKG" 2>/dev/null || echo "not installed")
+elif [ "$PM" = "pacman" ]; then
+  docker_pkg_version=$(pacman -Q "$DOCKER_PKG" 2>/dev/null || echo "not installed")
+elif [ "$PM" = "opkg" ]; then
+  docker_pkg_version=$(opkg info "$DOCKER_PKG" 2>/dev/null | grep '^Version:' | awk '{print $2}' || echo "not installed")
+else
+  docker_pkg_version="unknown"
+fi
+log_and_display "  $DOCKER_PKG: $docker_pkg_version"
+
+# Check lsof
+if [ "$PM" = "apt-get" ]; then
+  lsof_version=$(dpkg -s "lsof" 2>/dev/null | grep '^Version:' | awk '{print $2}' || echo "not installed")
+elif [ "$PM" = "dnf" ] || [ "$PM" = "yum" ] || [ "$PM" = "zypper" ]; then
+  lsof_version=$(rpm -q "lsof" 2>/dev/null || echo "not installed")
+elif [ "$PM" = "pacman" ]; then
+  lsof_version=$(pacman -Q "lsof" 2>/dev/null || echo "not installed")
+elif [ "$PM" = "opkg" ]; then
+  lsof_version=$(opkg info "lsof" 2>/dev/null | grep '^Version:' | awk '{print $2}' || echo "not installed")
+else
+  lsof_version="unknown"
+fi
+log_and_display "  lsof: $lsof_version"
+
+# ------------------------------------------------------------------------------
+# 3. Additional system information (hostnamectl / /proc/version)
+# ------------------------------------------------------------------------------
+header "OS / Kernel Information"
+
+if command -v hostnamectl >/dev/null 2>&1; then
+  hostnamectl 2>/dev/null | grep -E 'Operating System:|Virtualization:|Kernel:|Architecture:' | sed 's/^[ \t]*//;s/:/: /' | while read line; do
+    log_and_display "  $line"
+  done
+else
+  log_and_display "Operating System: $(cat /proc/version 2>/dev/null || echo 'unknown')"
+fi
+
+# CPU threads
+CPU_THREADS=$(nproc 2>/dev/null || grep -c "^processor" /proc/cpuinfo 2>/dev/null || echo "unknown")
+log_and_display "  CPU threads: $CPU_THREADS"
+
+# ------------------------------------------------------------------------------
+# 4. Memory (RAM) check
+# ------------------------------------------------------------------------------
+header "Memory Information"
+
+if command -v free >/dev/null 2>&1; then
+  # Remove extra spaces in header
+  free -h 2>/dev/null | tee -a "$LOG_FILE" || log_and_display "  Error getting memory info"
+elif command -v vmstat >/dev/null 2>&1; then
+  vmstat -S M -s 2>/dev/null | grep -iE 'total memory|total swap' | sed 's/ *//' | tee -a "$LOG_FILE" || log_and_display "  Error getting memory info"
+else
+  grep -iE 'MemTotal|SwapTotal' /proc/meminfo 2>/dev/null | sed 's/ \+/ /' | tee -a "$LOG_FILE" || log_and_display "  Error getting memory info"
+fi
+
+if command -v free >/dev/null 2>&1; then
+  log_and_display ""
+  log_and_display "Detailed Memory Info:"
+  free -h 2>/dev/null | awk 'NR==2{printf "  Used: %s / %s (%.1f%%)\n", $3, $2, $3/$2*100}' 2>/dev/null | tee -a "$LOG_FILE" || log_and_display "  Error calculating memory usage"
+free -h 2>/dev/null | awk 'NR==3{printf "  Swap: %s / %s (%.1f%%)\n", $3, $2, $2>0 ? $3/$2*100 : 0}' 2>/dev/null | tee -a "$LOG_FILE" || log_and_display "  Error calculating swap usage"
+fi
+
+# Disk usage
+header "Disk Usage"
+df -h 2>/dev/null | awk '
+BEGIN {print "  Filesystem   Size  Used Avail Use% Mounted"}
+NR>1 {printf "  %-10s %5s %5s %5s %4s %s\n", $1, $2, $3, $4, $5, $6}' | tee -a "$LOG_FILE" || log_and_display "  Error getting disk usage"
+
+# ------------------------------------------------------------------------------
+# 5. Current user and sudo check
+# ------------------------------------------------------------------------------
+header "User Check"
+
+CUR_USER=$(whoami 2>/dev/null || echo ~ | sed 's/.*\///')
+USER_GROUP=$(groups "$CUR_USER" 2>/dev/null || echo "")
+USER_GOOD=0
+
+log_and_display -n "Current user: $CUR_USER => "
+
+if [ "$CUR_USER" = "root" ]; then
+  log_and_display "passed.. (is root)"
+  USER_GOOD="r" # root
+else
+  if echo "$USER_GROUP" | grep -qE '(^|[[:space:]])sudo($|[[:space:]])'; then
+    log_and_display "passed.. (in sudo group)"
+    USER_GOOD=1
+  elif echo "$USER_GROUP" | grep -qE '(^|[[:space:]])wheel($|[[:space:]])'; then
+    log_and_display "passed.. (in wheel group)"
+    USER_GOOD=1
+  elif echo "$USER_GROUP" | grep -qE '(^|[[:space:]])docker($|[[:space:]])'; then
+    log_and_display "failed.. (only in docker group)"
+    USER_GOOD="d"
+  else
+    log_and_display "failed.. (not a member of the sudo or wheel groups)"
+    USER_GOOD=0
+  fi
+fi
+
+# Check if password is required for sudo
+if [ "$USER_GOOD" = "0" ] || [ "$USER_GOOD" = "d" ]; then
+  log_and_display -n "Passwd request: "
+  log_and_display "check skipped (not sudoer)"
+else
+  if command -v sudo >/dev/null 2>&1; then
+    # Try sudo without password - more thorough check
+    PASSWD_REQUEST=$(sudo -K 2>&1 && sudo -nu $CUR_USER $PM $PM_VER_OPT 2>&1 >/dev/null && sudo -n $PM $PM_VER_OPT 2>&1 >/dev/null)
+    if [ -n "$PASSWD_REQUEST" ]; then
+      USER_GOOD=0
+      log_and_display -n "Passwd request: "
+      log_and_display "failed.. ($PASSWD_REQUEST)" \
+        | sed "s/$CUR_USER/User/g;s/$(hostname 2>/dev/null || echo 'Server')/Server/g;s/ user / /g"
+    else
+      log_and_display -n "Passwd request: "
+      log_and_display "passed.. (not required)"
+    fi
+  else
+    if [ "$USER_GOOD" = "r" ]; then
+      log_and_display -n "Passwd request: "
+      log_and_display "check skipped (sudo not installed, but root user)"
+    else
+      log_and_display "Warning! The sudo package must be pre-installed!"
+      USER_GOOD=0
+    fi
+  fi
+fi
+
+# Home directory check
+log_and_display -n "Home dir: "
+if cd ~ 2>/dev/null; then
+  log_and_display "passed.. (accessible)"
+else
+  log_and_display "failed.. (not accessible)"
+fi
+log_and_display "Default shell: $SHELL"
+
+# ------------------------------------------------------------------------------
+# 6. Important components check (sudo, lsof, fuser, apparmor)
+# ------------------------------------------------------------------------------
+header "Component Checks"
+
+log_and_display -n "    sudo: "
+if command -v sudo >/dev/null 2>&1; then
+  log_and_display "passed.. (installed)"
+else
+  log_and_display "not installed"
+fi
+
+log_and_display -n "    lsof: "
+if command -v lsof >/dev/null 2>&1; then
+  log_and_display "passed.. (installed)"
+else
+  log_and_display "not installed"
+fi
+
+log_and_display -n "   fuser: "
+if command -v fuser >/dev/null 2>&1; then
+  log_and_display "passed.. (installed)"
+else
+  log_and_display "psmisc not installed"
+fi
+
+log_and_display -n "apparmor: "
+AA_ENABLED=$(cat /sys/module/apparmor/parameters/enabled 2>/dev/null || echo "N")
+if [ "$AA_ENABLED" = "Y" ]; then
+  if command -v apparmor_parser >/dev/null 2>&1; then
+    log_and_display "passed.. (used)"
+  else
+    log_and_display "failed.. (installation required)"
+  fi
+else
+  if command -v apparmor_parser >/dev/null 2>&1; then
+    log_and_display "passed.. (not used)"
+  else
+    log_and_display "passed.. (not required)"
+  fi
+fi
+
+# ------------------------------------------------------------------------------
+# 7. SELinux check
+# ------------------------------------------------------------------------------
+header "SELinux Check"
+
+if command -v getenforce >/dev/null 2>&1; then
+  SELINUX_STATUS=$(getenforce 2>/dev/null || echo "unknown")
+  if [ "$SELINUX_STATUS" = "Enforcing" ]; then
+    log_and_display "SELinux status: $SELINUX_STATUS (strict mode)"
+  elif [ "$SELINUX_STATUS" = "Permissive" ]; then
+    log_and_display "SELinux status: $SELINUX_STATUS (permissive mode)"
+  else
+    log_and_display "SELinux status: $SELINUX_STATUS (disabled)"
+  fi
+else
+  log_and_display "SELinux: not found (or not applicable)"
+fi
+
+# ------------------------------------------------------------------------------
+# 8. Docker + Docker/Podman service check
+# ------------------------------------------------------------------------------
+header "Docker / Podman Status"
+CHECK_CONTAINERS=0
+
+if ! command -v docker >/dev/null 2>&1; then
+  log_and_display "Docker: $DOCKER_PKG not installed"
+else
+  # If user is in sudoers, use sudo without password
+  if [ "$USER_GOOD" = "1" ]; then
+    SUD="sudo -n"
+  elif [ "$USER_GOOD" = "r" ]; then
+    SUD="" # root
+  else
+    SUD=""
+  fi
+
+  DOCKER_VERSION=$($SUD docker -v 2>/dev/null || echo 'docker -v error')
+  log_and_display "Installed: $DOCKER_VERSION"
+
+  # Check for podman
+  if echo "$DOCKER_VERSION" | grep -qi "podman"; then
+    log_and_display "  WARNING: Podman detected - not supported at the moment!"
+    log_and_display "  Podman (podman-docker) is not supported and is installed by mistake"
+    docker_service="podman.socket"
+  else
+    docker_service="docker.service"
+  fi
+  log_and_display "  service: $docker_service"
+
+  # Check status
+  if command -v systemctl >/dev/null 2>&1; then
+    docker_status=$(systemctl is-active "$docker_service" 2>/dev/null || echo "unknown")
+    docker_loading=$(systemctl is-enabled "$docker_service" 2>/dev/null || echo "unknown")
+  else
+    docker_status="unknown (systemctl not found)"
+    docker_loading="unknown"
+  fi
+  
+  if [ "$docker_status" = "active" ]; then
+    log_and_display "   status: passed.. ($docker_status)"
+    CHECK_CONTAINERS=1
+  else
+    log_and_display "   status: incorrect.. ($docker_status)"
+    CHECK_CONTAINERS=0
+  fi
+
+  if [ "$docker_loading" = "enabled" ]; then
+    log_and_display "  loading: good (startup $docker_loading)"
+  else
+    log_and_display "  loading: bad (startup $docker_loading)"
+  fi
+fi
+
+# ------------------------------------------------------------------------------
+# 9. Docker pull test + container check with improved Docker Hub verification
+# ------------------------------------------------------------------------------
+header "Docker Hub: pull hello-world test"
+
+if [ "$CHECK_CONTAINERS" = "1" ] && [ "$USER_GOOD" != "0" ]; then
+  # First check Docker Hub availability
+  log_and_display "Checking Docker Hub connectivity..."
+  
+  # Try to execute docker pull with timeout
+  if timeout 30 $SUD docker pull docker.io/library/hello-world >/dev/null 2>&1; then
+    log_and_display "Docker Hub: available"
+    
+    # Start container for testing
+    if $SUD docker run --rm docker.io/library/hello-world >/dev/null 2>&1; then
+      log_and_display "Hello-world container: successfully started and completed"
+    else
+      log_and_display "Hello-world container: startup error"
+    fi
+  else
+    log_and_display "Docker Hub: unavailable or blocked (possibly exceeded download limit)"
+    log_and_display "Docker Hub has download limits, try again later"
+  fi
+  
+  log_and_display ""
+  total_cont=$($SUD docker ps -aq 2>/dev/null | wc -l || echo "0")
+  active_cont=$($SUD docker ps -q 2>/dev/null | wc -l || echo "0")
+  amnezia_cont=$($SUD docker ps -a 2>/dev/null | grep -c amnezia || echo "0")
+
+  log_and_display "Containers check: Total $total_cont / Active $active_cont / Amnezia $amnezia_cont"
+  $SUD docker ps -a --format "{{.Names}} ({{.Image}}) ({{.Status}}) ({{.Ports}})" 2>/dev/null | grep amnezia || true
+  
+  # Peers check
+  if $SUD docker ps 2>/dev/null | grep -qE '\<(amnezia-awg|amnezia-wireguard)\>'; then
+    log_and_display ""
+    log_and_display "Peers check (beta):"
+    if $SUD docker ps 2>/dev/null | grep -q amnezia-awg; then
+      AMNEZIA_WG_CONTAINER=$($SUD docker ps 2>/dev/null | grep amnezia-awg | awk '{print $1}' | head -1)
+      if [ -n "$AMNEZIA_WG_CONTAINER" ]; then
+        WG_PEERS=$($SUD docker exec -it "$AMNEZIA_WG_CONTAINER" wg show 2>/dev/null | grep -c 'peer' || echo "0")
+        log_and_display "AmneziaWG peers: $WG_PEERS"
+      fi
+    fi
+    if $SUD docker ps 2>/dev/null | grep -q amnezia-wireguard; then
+      WIREGUARD_CONTAINER=$($SUD docker ps 2>/dev/null | grep amnezia-wireguard | awk '{print $1}' | head -1)
+      if [ -n "$WIREGUARD_CONTAINER" ]; then
+        WG_PEERS=$($SUD docker exec -it "$WIREGUARD_CONTAINER" wg show 2>/dev/null | grep -c 'peer' || echo "0")
+        log_and_display "WireGuard peers: $WG_PEERS"
+      fi
+    fi
+  fi
+else
+  log_and_display "skipped.."
+fi
+
+# ------------------------------------------------------------------------------
+# 10. Additional improvements
+# ------------------------------------------------------------------------------
+#
+# 10.1. CPU and memory load check (Load average, top processes)
+#
+header "CPU & Memory usage (top)"
+
+# Load average (last 1,5,15 minutes)
+LOAD_AVG=$(uptime 2>/dev/null | awk -F'load average:' '{print $2}' || echo "unknown")
+log_and_display "Load average: $LOAD_AVG"
+
+log_and_display ""
+log_and_display "Top 5 processes by CPU:"
+ps aux 2>/dev/null | sort -k3 -nr | head -n 6 | awk '{printf "%s %s %s %s %s\n", $1,$2,$3"%",$4"%",$11}' | column -t 2>/dev/null | tee -a "$LOG_FILE" || log_and_display "  Error getting CPU processes"
+
+log_and_display ""
+log_and_display "Top 5 processes by MEM:"
+ps aux 2>/dev/null | sort -k4 -nr | head -n 6 | awk '{printf "%s %s %s %s %s\n", $1,$2,$3"%",$4"%",$11}' | column -t 2>/dev/null | tee -a "$LOG_FILE" || log_and_display "  Error getting MEM processes"
+
+# 10.2. System logs check (latest critical messages)
+header "Last 10 critical/error messages (journalctl)"
+
+if command -v journalctl >/dev/null 2>&1; then
+  journalctl -p 3 -n 10 --no-pager 2>/dev/null | tee -a "$LOG_FILE" || log_and_display "  Error getting system logs"
+else
+  log_and_display "journalctl not found (non-systemd system?)"
+fi
+
+# 10.3. System package versions check (examples)
+
+# Open ports check
+header "Network Ports Check"
+if command -v netstat >/dev/null 2>&1; then
+  log_and_display "Listening ports:"
+  netstat -tlnp 2>/dev/null | grep LISTEN | head -10 | while read line; do
+    log_and_display "  $line"
+  done
+elif command -v ss >/dev/null 2>&1; then
+  log_and_display "Listening ports:"
+  ss -tlnp 2>/dev/null | head -10 | while read line; do
+    log_and_display "  $line"
+  done
+else
+  log_and_display "netstat/ss not found"
+fi
+
+# SSH check
+header "SSH Service Check"
+if command -v systemctl >/dev/null 2>&1; then
+  ssh_status=$(systemctl is-active ssh 2>/dev/null || systemctl is-active sshd 2>/dev/null || echo "not found")
+  if [ "$ssh_status" = "active" ]; then
+    log_and_display "SSH service: $ssh_status"
+  else
+    log_and_display "SSH service: $ssh_status"
+  fi
+else
+  log_and_display "systemctl not found"
+fi
+
+# Time check
+header "Time Synchronization"
+if command -v timedatectl >/dev/null 2>&1; then
+  timedatectl status 2>/dev/null | grep -E "System clock|NTP service" | while read line; do
+    log_and_display "  $line"
+  done
+else
+  log_and_display "  System time: $(date 2>/dev/null || echo 'unknown')"
+fi
+
+# Kernel check
+header "Kernel Information"
+log_and_display "Kernel version: $(uname -r 2>/dev/null || echo 'unknown')"
+log_and_display "Kernel architecture: $(uname -m 2>/dev/null || echo 'unknown')"
+if [ -f /proc/cmdline ]; then
+  log_and_display "Kernel parameters:"
+  cat /proc/cmdline 2>/dev/null | tr ' ' '\n' | head -5 | while read param; do
+    log_and_display "  $param"
+  done
+fi
+
+# ------------------------------------------------------------------------------
+# Completion
+# ------------------------------------------------------------------------------
+log_and_display ""
+header "FINISH"
+log_and_display ""
+log_and_display "Diagnostics completed. Log saved to: $LOG_FILE"
+log_and_display ""
+
+# Variable cleanup
+pm="" && opt="" && docker_pkg="" && CUR_USER="" && USER_GOOD="" && USER_GROUP="" && PASSWD_REQUEST="" && CHECK_CONTAINERS="" && SUD="" && docker_service="" && docker_status="" && docker_loading="" 
\ No newline at end of file