diff --git a/package-lock.json b/package-lock.json
index 613b1ad..eae0743 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -5,12 +5,12 @@
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-      "integrity": "sha1-yxlNFO6ucBrYX6KqZdRYoXLx/f0=",
+      "version": "github:WeiAnAn/node-authenticate-pam#5c06f8cf950a9992e902d061368b6442a8daf67c",
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-        "repeat-element": "1.1.2"
+        "expand-range": "^1.8.1",
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-            "eyes": "0.1.8",
-            "winston": "0.8.0"
+            "colors": "0.x.x",
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@@ -164,15 +279,41 @@
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-        "eyes": "0.1.8",
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@@ -193,15 +334,29 @@
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           "optional": true
         },
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           }
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-            "inherits": "2.0.3",
-            "minimatch": "3.0.4"
-          }
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           "version": "2.7.4",
           "bundled": true,
           "optional": true,
           "requires": {
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-              "version": "1.0.0",
-              "bundled": true,
-              "optional": true
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+            "aproba": "^1.0.3",
+            "console-control-strings": "^1.0.0",
+            "has-unicode": "^2.0.0",
+            "object-assign": "^4.1.0",
+            "signal-exit": "^3.0.0",
+            "string-width": "^1.0.1",
+            "strip-ansi": "^3.0.1",
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           }
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-          "version": "1.0.5",
-          "bundled": true,
-          "optional": true
-        },
-        "har-validator": {
-          "version": "4.2.1",
+          "version": "7.1.3",
           "bundled": true,
           "optional": true,
           "requires": {
-            "ajv": "4.11.8",
-            "har-schema": "1.0.5"
+            "fs.realpath": "^1.0.0",
+            "inflight": "^1.0.4",
+            "inherits": "2",
+            "minimatch": "^3.0.4",
+            "once": "^1.3.0",
+            "path-is-absolute": "^1.0.0"
           }
         },
         "has-unicode": {
@@ -807,172 +912,122 @@
           "bundled": true,
           "optional": true
         },
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-        "hoek": {
-          "version": "2.16.3",
-          "bundled": true
-        },
-        "http-signature": {
-          "version": "1.1.1",
+        "iconv-lite": {
+          "version": "0.4.24",
           "bundled": true,
           "optional": true,
           "requires": {
-            "assert-plus": "0.2.0",
-            "jsprim": "1.4.0",
-            "sshpk": "1.13.0"
+            "safer-buffer": ">= 2.1.2 < 3"
+          }
+        },
+        "ignore-walk": {
+          "version": "3.0.1",
+          "bundled": true,
+          "optional": true,
+          "requires": {
+            "minimatch": "^3.0.4"
           }
         },
         "inflight": {
           "version": "1.0.6",
           "bundled": true,
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           "requires": {
-            "once": "1.4.0",
-            "wrappy": "1.0.2"
+            "once": "^1.3.0",
+            "wrappy": "1"
           }
         },
         "inherits": {
           "version": "2.0.3",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "ini": {
-          "version": "1.3.4",
+          "version": "1.3.5",
           "bundled": true,
           "optional": true
         },
         "is-fullwidth-code-point": {
           "version": "1.0.0",
           "bundled": true,
+          "optional": true,
           "requires": {
-            "number-is-nan": "1.0.1"
+            "number-is-nan": "^1.0.0"
           }
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-          }
-        },
         "minimatch": {
           "version": "3.0.4",
           "bundled": true,
+          "optional": true,
           "requires": {
-            "brace-expansion": "1.1.7"
+            "brace-expansion": "^1.1.7"
           }
         },
         "minimist": {
           "version": "0.0.8",
-          "bundled": true
+          "bundled": true,
+          "optional": true
+        },
+        "minipass": {
+          "version": "2.3.5",
+          "bundled": true,
+          "optional": true,
+          "requires": {
+            "safe-buffer": "^5.1.2",
+            "yallist": "^3.0.0"
+          }
+        },
+        "minizlib": {
+          "version": "1.2.1",
+          "bundled": true,
+          "optional": true,
+          "requires": {
+            "minipass": "^2.2.1"
+          }
         },
         "mkdirp": {
           "version": "0.5.1",
           "bundled": true,
+          "optional": true,
           "requires": {
             "minimist": "0.0.8"
           }
         },
         "ms": {
-          "version": "2.0.0",
+          "version": "2.1.1",
           "bundled": true,
           "optional": true
         },
-        "node-pre-gyp": {
-          "version": "0.6.39",
+        "needle": {
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           "bundled": true,
           "optional": true,
           "requires": {
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-            "rimraf": "2.6.1",
-            "semver": "5.3.0",
-            "tar": "2.2.1",
-            "tar-pack": "3.4.0"
+            "debug": "^4.1.0",
+            "iconv-lite": "^0.4.4",
+            "sax": "^1.2.4"
+          }
+        },
+        "node-pre-gyp": {
+          "version": "0.12.0",
+          "bundled": true,
+          "optional": true,
+          "requires": {
+            "detect-libc": "^1.0.2",
+            "mkdirp": "^0.5.1",
+            "needle": "^2.2.1",
+            "nopt": "^4.0.1",
+            "npm-packlist": "^1.1.6",
+            "npmlog": "^4.0.2",
+            "rc": "^1.2.7",
+            "rimraf": "^2.6.1",
+            "semver": "^5.3.0",
+            "tar": "^4"
           }
         },
         "nopt": {
@@ -980,27 +1035,37 @@
           "bundled": true,
           "optional": true,
           "requires": {
-            "abbrev": "1.1.0",
-            "osenv": "0.1.4"
+            "abbrev": "1",
+            "osenv": "^0.1.4"
           }
         },
-        "npmlog": {
-          "version": "4.1.0",
+        "npm-bundled": {
+          "version": "1.0.6",
+          "bundled": true,
+          "optional": true
+        },
+        "npm-packlist": {
+          "version": "1.4.1",
           "bundled": true,
           "optional": true,
           "requires": {
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-            "console-control-strings": "1.1.0",
-            "gauge": "2.7.4",
-            "set-blocking": "2.0.0"
+            "ignore-walk": "^3.0.1",
+            "npm-bundled": "^1.0.1"
+          }
+        },
+        "npmlog": {
+          "version": "4.1.2",
+          "bundled": true,
+          "optional": true,
+          "requires": {
+            "are-we-there-yet": "~1.1.2",
+            "console-control-strings": "~1.1.0",
+            "gauge": "~2.7.3",
+            "set-blocking": "~2.0.0"
           }
         },
         "number-is-nan": {
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-          "bundled": true
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           "bundled": true,
           "optional": true
         },
@@ -1012,8 +1077,9 @@
         "once": {
           "version": "1.4.0",
           "bundled": true,
+          "optional": true,
           "requires": {
-            "wrappy": "1.0.2"
+            "wrappy": "1"
           }
         },
         "os-homedir": {
@@ -1027,46 +1093,33 @@
           "optional": true
         },
         "osenv": {
-          "version": "0.1.4",
+          "version": "0.1.5",
           "bundled": true,
           "optional": true,
           "requires": {
-            "os-homedir": "1.0.2",
-            "os-tmpdir": "1.0.2"
+            "os-homedir": "^1.0.0",
+            "os-tmpdir": "^1.0.0"
           }
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-          "version": "1.4.1",
-          "bundled": true,
-          "optional": true
-        },
-        "qs": {
-          "version": "6.4.0",
+          "version": "2.0.0",
           "bundled": true,
           "optional": true
         },
         "rc": {
-          "version": "1.2.1",
+          "version": "1.2.8",
           "bundled": true,
           "optional": true,
           "requires": {
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-            "ini": "1.3.4",
-            "minimist": "1.2.0",
-            "strip-json-comments": "2.0.1"
+            "deep-extend": "^0.6.0",
+            "ini": "~1.3.0",
+            "minimist": "^1.2.0",
+            "strip-json-comments": "~2.0.1"
           },
           "dependencies": {
             "minimist": {
@@ -1077,60 +1130,44 @@
           }
         },
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-          "bundled": true,
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-            "util-deprecate": "1.0.2"
-          }
-        },
-        "request": {
-          "version": "2.81.0",
+          "version": "2.3.6",
           "bundled": true,
           "optional": true,
           "requires": {
-            "aws-sign2": "0.6.0",
-            "aws4": "1.6.0",
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-            "stringstream": "0.0.5",
-            "tough-cookie": "2.3.2",
-            "tunnel-agent": "0.6.0",
-            "uuid": "3.0.1"
+            "core-util-is": "~1.0.0",
+            "inherits": "~2.0.3",
+            "isarray": "~1.0.0",
+            "process-nextick-args": "~2.0.0",
+            "safe-buffer": "~5.1.1",
+            "string_decoder": "~1.1.1",
+            "util-deprecate": "~1.0.1"
           }
         },
         "rimraf": {
-          "version": "2.6.1",
+          "version": "2.6.3",
           "bundled": true,
+          "optional": true,
           "requires": {
-            "glob": "7.1.2"
+            "glob": "^7.1.3"
           }
         },
         "safe-buffer": {
-          "version": "5.0.1",
-          "bundled": true
+          "version": "5.1.2",
+          "bundled": true,
+          "optional": true
+        },
+        "safer-buffer": {
+          "version": "2.1.2",
+          "bundled": true,
+          "optional": true
+        },
+        "sax": {
+          "version": "1.2.4",
+          "bundled": true,
+          "optional": true
         },
         "semver": {
-          "version": "5.3.0",
+          "version": "5.7.0",
           "bundled": true,
           "optional": true
         },
@@ -1144,62 +1181,30 @@
           "bundled": true,
           "optional": true
         },
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-          "version": "1.0.9",
-          "bundled": true,
-          "requires": {
-            "hoek": "2.16.3"
-          }
-        },
-        "sshpk": {
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-          "bundled": true,
-          "optional": true,
-          "requires": {
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-            "assert-plus": "1.0.0",
-            "bcrypt-pbkdf": "1.0.1",
-            "dashdash": "1.14.1",
-            "ecc-jsbn": "0.1.1",
-            "getpass": "0.1.7",
-            "jodid25519": "1.0.2",
-            "jsbn": "0.1.1",
-            "tweetnacl": "0.14.5"
-          },
-          "dependencies": {
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-              "version": "1.0.0",
-              "bundled": true,
-              "optional": true
-            }
-          }
-        },
         "string-width": {
           "version": "1.0.2",
           "bundled": true,
+          "optional": true,
           "requires": {
-            "code-point-at": "1.1.0",
-            "is-fullwidth-code-point": "1.0.0",
-            "strip-ansi": "3.0.1"
+            "code-point-at": "^1.0.0",
+            "is-fullwidth-code-point": "^1.0.0",
+            "strip-ansi": "^3.0.0"
           }
         },
         "string_decoder": {
-          "version": "1.0.1",
+          "version": "1.1.1",
           "bundled": true,
+          "optional": true,
           "requires": {
-            "safe-buffer": "5.0.1"
+            "safe-buffer": "~5.1.0"
           }
         },
-        "stringstream": {
-          "version": "0.0.5",
-          "bundled": true,
-          "optional": true
-        },
         "strip-ansi": {
           "version": "3.0.1",
           "bundled": true,
+          "optional": true,
           "requires": {
-            "ansi-regex": "2.1.1"
+            "ansi-regex": "^2.0.0"
           }
         },
         "strip-json-comments": {
@@ -1208,97 +1213,65 @@
           "optional": true
         },
         "tar": {
-          "version": "2.2.1",
-          "bundled": true,
-          "requires": {
-            "block-stream": "0.0.9",
-            "fstream": "1.0.11",
-            "inherits": "2.0.3"
-          }
-        },
-        "tar-pack": {
-          "version": "3.4.0",
+          "version": "4.4.8",
           "bundled": true,
           "optional": true,
           "requires": {
-            "debug": "2.6.8",
-            "fstream": "1.0.11",
-            "fstream-ignore": "1.0.5",
-            "once": "1.4.0",
-            "readable-stream": "2.2.9",
-            "rimraf": "2.6.1",
-            "tar": "2.2.1",
-            "uid-number": "0.0.6"
+            "chownr": "^1.1.1",
+            "fs-minipass": "^1.2.5",
+            "minipass": "^2.3.4",
+            "minizlib": "^1.1.1",
+            "mkdirp": "^0.5.0",
+            "safe-buffer": "^5.1.2",
+            "yallist": "^3.0.2"
           }
         },
-        "tough-cookie": {
-          "version": "2.3.2",
-          "bundled": true,
-          "optional": true,
-          "requires": {
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-          "bundled": true,
-          "optional": true,
-          "requires": {
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-          }
-        },
-        "tweetnacl": {
-          "version": "0.14.5",
-          "bundled": true,
-          "optional": true
-        },
-        "uid-number": {
-          "version": "0.0.6",
-          "bundled": true,
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         "util-deprecate": {
           "version": "1.0.2",
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           "bundled": true,
           "optional": true
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-          "bundled": true,
-          "optional": true,
-          "requires": {
-            "extsprintf": "1.0.2"
-          }
-        },
         "wide-align": {
-          "version": "1.1.2",
+          "version": "1.1.3",
           "bundled": true,
           "optional": true,
           "requires": {
-            "string-width": "1.0.2"
+            "string-width": "^1.0.2 || 2"
           }
         },
         "wrappy": {
           "version": "1.0.2",
-          "bundled": true
+          "bundled": true,
+          "optional": true
+        },
+        "yallist": {
+          "version": "3.0.3",
+          "bundled": true,
+          "optional": true
         }
       }
     },
+    "function-bind": {
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       "integrity": "sha1-ZLar9M0Brcrv1QCTk7HY6L7BnbA=",
       "requires": {
-        "async": "0.2.10",
-        "colors": "0.6.2",
-        "cycle": "1.0.3",
-        "eyes": "0.1.8",
-        "isstream": "0.1.2",
-        "pkginfo": "0.3.1",
-        "stack-trace": "0.0.10"
+        "async": "0.2.x",
+        "colors": "0.6.x",
+        "cycle": "1.0.x",
+        "eyes": "0.1.x",
+        "isstream": "0.1.x",
+        "pkginfo": "0.3.x",
+        "stack-trace": "0.0.x"
       }
     },
     "wordwrap": {
@@ -2085,6 +2911,11 @@
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
       "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8="
+    },
+    "yallist": {
+      "version": "3.0.3",
+      "resolved": "https://registry.npmjs.org/yallist/-/yallist-3.0.3.tgz",
+      "integrity": "sha512-S+Zk8DEWE6oKpV+vI3qWkaK+jSbIK86pCwe2IF/xwIpQ8jEuxpw9NyaGjmp9+BoJv5FV2piqCDcoCtStppiq2A=="
     }
   }
 }
diff --git a/package.json b/package.json
index ebe517a..09885da 100644
--- a/package.json
+++ b/package.json
@@ -12,9 +12,10 @@
     "start": "node ./bin/www"
   },
   "dependencies": {
-    "authenticate-pam": "^1.0.2",
+    "authenticate-pam": "github:WeiAnAn/node-authenticate-pam",
     "express": "~4.16.1",
-    "forever": "^0.15.3",
+    "forever": "^1.0.0",
+    "linux-sys-user": "github:wmantly/linux-user",
     "linux-user": "github:wmantly/linux-user",
     "redis": "^2.8.0"
   },