diff --git a/striker-ui-api/src/app.ts b/striker-ui-api/src/app.ts
index 32f212b6..c50193ca 100644
--- a/striker-ui-api/src/app.ts
+++ b/striker-ui-api/src/app.ts
@@ -7,25 +7,27 @@ import routes from './routes';
 import { rrouters } from './lib/rrouters';
 import session from './session';
 
-const app = express();
+export default (async () => {
+  const app = express();
 
-app.use(json());
+  app.use(json());
 
-app.use(cors());
+  app.use(cors());
 
-// Add session handler to the chain **after** adding other handlers that do
-// not depend on session(s).
-app.use(session);
+  // Add session handler to the chain **after** adding other handlers that do
+  // not depend on session(s).
+  app.use(await session);
 
-app.use(passport.initialize());
-app.use(passport.authenticate('session'));
+  app.use(passport.initialize());
+  app.use(passport.authenticate('session'));
 
-rrouters(app, routes.private, {
-  assign: (router) => [guardApi, router],
-  route: '/api',
-});
-rrouters(app, routes.public, { route: '/api' });
+  rrouters(app, routes.private, {
+    assign: (router) => [guardApi, router],
+    route: '/api',
+  });
+  rrouters(app, routes.public, { route: '/api' });
 
-app.use(routes.static);
+  app.use(routes.static);
 
-export default app;
+  return app;
+})();
diff --git a/striker-ui-api/src/index.ts b/striker-ui-api/src/index.ts
index 566f927c..8cfe2903 100644
--- a/striker-ui-api/src/index.ts
+++ b/striker-ui-api/src/index.ts
@@ -5,20 +5,22 @@ import { PGID, PUID, PORT, ECODE_DROP_PRIVILEGES } from './lib/consts';
 import app from './app';
 import { stderr, stdout } from './lib/shell';
 
-stdout(`Starting process with ownership ${getuid()}:${getgid()}`);
+(async () => {
+  stdout(`Starting process with ownership ${getuid()}:${getgid()}`);
 
-app.listen(PORT, () => {
-  try {
-    // Group must be set before user to avoid permission error.
-    setgid(PGID);
-    setuid(PUID);
+  (await app).listen(PORT, () => {
+    try {
+      // Group must be set before user to avoid permission error.
+      setgid(PGID);
+      setuid(PUID);
 
-    stdout(`Process ownership changed to ${getuid()}:${getgid()}.`);
-  } catch (error) {
-    stderr(`Failed to change process ownership; CAUSE: ${error}`);
+      stdout(`Process ownership changed to ${getuid()}:${getgid()}.`);
+    } catch (error) {
+      stderr(`Failed to change process ownership; CAUSE: ${error}`);
 
-    process.exit(ECODE_DROP_PRIVILEGES);
-  }
+      process.exit(ECODE_DROP_PRIVILEGES);
+    }
 
-  stdout(`Listening on localhost:${PORT}.`);
-});
+    stdout(`Listening on localhost:${PORT}.`);
+  });
+})();
diff --git a/striker-ui-api/src/lib/accessModule.ts b/striker-ui-api/src/lib/accessModule.ts
index ee710981..f33c2cb9 100644
--- a/striker-ui-api/src/lib/accessModule.ts
+++ b/striker-ui-api/src/lib/accessModule.ts
@@ -1,11 +1,144 @@
-import { spawn, spawnSync, SpawnSyncOptions } from 'child_process';
+import {
+  ChildProcess,
+  spawn,
+  SpawnOptions,
+  spawnSync,
+  SpawnSyncOptions,
+} from 'child_process';
+import EventEmitter from 'events';
 import { readFileSync } from 'fs';
 
-import { SERVER_PATHS } from './consts';
+import { SERVER_PATHS, PGID, PUID } from './consts';
 
 import { formatSql } from './formatSql';
 import { isObject } from './isObject';
-import { date, stderr as sherr, stdout as shout } from './shell';
+import {
+  date,
+  stderr as sherr,
+  stdout as shout,
+  stdoutVar as shvar,
+  uuid,
+} from './shell';
+
+type AccessStartOptions = {
+  args?: readonly string[];
+} & SpawnOptions;
+
+class Access extends EventEmitter {
+  private ps: ChildProcess;
+  private queue: string[] = [];
+
+  constructor({
+    eventEmitterOptions = {},
+    spawnOptions = {},
+  }: {
+    eventEmitterOptions?: ConstructorParameters<typeof EventEmitter>[0];
+    spawnOptions?: SpawnOptions;
+  } = {}) {
+    super(eventEmitterOptions);
+
+    this.ps = this.start(spawnOptions);
+  }
+
+  private start({
+    args = [],
+    gid = PGID,
+    stdio = 'pipe',
+    timeout = 10000,
+    uid = PUID,
+    ...restSpawnOptions
+  }: AccessStartOptions = {}) {
+    shvar({ gid, stdio, timeout, uid, ...restSpawnOptions });
+
+    const ps = spawn(SERVER_PATHS.usr.sbin['anvil-access-module'].self, args, {
+      gid,
+      stdio,
+      timeout,
+      uid,
+      ...restSpawnOptions,
+    });
+
+    let stderr = '';
+    let stdout = '';
+
+    ps.stderr?.setEncoding('utf-8').on('data', (chunk: string) => {
+      stderr += chunk;
+
+      const scriptId = this.queue.at(0);
+
+      if (scriptId) {
+        sherr(`${Access.event(scriptId, 'stderr')}: ${stderr}`);
+
+        stderr = '';
+      }
+    });
+
+    ps.stdout?.setEncoding('utf-8').on('data', (chunk: string) => {
+      stdout += chunk;
+
+      let nindex: number = stdout.indexOf('\n');
+
+      // 1. ~a is the shorthand for -(a + 1)
+      // 2. negatives are evaluated to true
+      while (~nindex) {
+        const scriptId = this.queue.shift();
+
+        if (scriptId) this.emit(scriptId, stdout.substring(0, nindex));
+
+        stdout = stdout.substring(nindex + 1);
+        nindex = stdout.indexOf('\n');
+      }
+    });
+
+    return ps;
+  }
+
+  private stop() {
+    this.ps.once('error', () => !this.ps.killed && this.ps.kill('SIGKILL'));
+
+    this.ps.kill();
+  }
+
+  private restart(options?: AccessStartOptions) {
+    this.ps.once('close', () => this.start(options));
+
+    this.stop();
+  }
+
+  private static event(scriptId: string, category: 'stderr'): string {
+    return `${scriptId}-${category}`;
+  }
+
+  public interact<T>(command: string, ...args: string[]) {
+    const { stdin } = this.ps;
+
+    const scriptId = uuid();
+    const script = `${command} ${args.join(' ')}\n`;
+
+    const promise = new Promise<T>((resolve, reject) => {
+      this.once(scriptId, (data) => {
+        let result: T;
+
+        try {
+          result = JSON.parse(data);
+        } catch (error) {
+          return reject(`Failed to parse line ${scriptId}; got [${data}]`);
+        }
+
+        return resolve(result);
+      });
+    });
+
+    shvar({ scriptId, script });
+
+    this.queue.push(scriptId);
+    stdin?.write(script);
+
+    return promise;
+  }
+}
+
+const access = new Access();
 
 const asyncAnvilAccessModule = (
   args: string[],
@@ -171,11 +304,8 @@ const dbJobAnvilSyncShared = (
   return dbInsertOrUpdateJob(subParams);
 };
 
-const dbQuery = (query: string, options?: SpawnSyncOptions) => {
-  shout(formatSql(query));
-
-  return execAnvilAccessModule(['--query', query], options);
-};
+const query = <T extends (number | null | string)[][]>(sqlscript: string) =>
+  access.interact<T>('r', formatSql(sqlscript));
 
 const dbSubRefreshTimestamp = () => {
   let result: string;
@@ -304,12 +434,12 @@ export {
   dbInsertOrUpdateJob as job,
   dbInsertOrUpdateVariable as variable,
   dbJobAnvilSyncShared,
-  dbQuery,
   dbSubRefreshTimestamp as timestamp,
   dbWrite,
+  execModuleSubroutine as sub,
   getAnvilData,
   getLocalHostName,
   getLocalHostUUID,
   getPeerData,
-  execModuleSubroutine as sub,
+  query,
 };
diff --git a/striker-ui-api/src/lib/getSessionSecret.ts b/striker-ui-api/src/lib/getSessionSecret.ts
index f12caa8b..cc20ba04 100644
--- a/striker-ui-api/src/lib/getSessionSecret.ts
+++ b/striker-ui-api/src/lib/getSessionSecret.ts
@@ -2,18 +2,18 @@ import assert from 'assert';
 
 import { ECODE_SESSION_SECRET, VNAME_SESSION_SECRET } from './consts';
 
-import { dbQuery, variable } from './accessModule';
+import { query, variable } from './accessModule';
 import { openssl, stderr, stdout } from './shell';
 
-export const getSessionSecret = (): string => {
+export const getSessionSecret = async (): Promise<string> => {
   let sessionSecret: string;
 
   try {
-    const rows: [sessionSecret: string][] = dbQuery(
+    const rows: [sessionSecret: string][] = await query(
       `SELECT variable_value
         FROM variables
         WHERE variable_name = '${VNAME_SESSION_SECRET}';`,
-    ).stdout;
+    );
 
     assert(rows.length > 0, 'No existing session secret found.');
 
diff --git a/striker-ui-api/src/lib/request_handlers/buildGetRequestHandler.ts b/striker-ui-api/src/lib/request_handlers/buildGetRequestHandler.ts
index 2ddd6e32..051728c3 100644
--- a/striker-ui-api/src/lib/request_handlers/buildGetRequestHandler.ts
+++ b/striker-ui-api/src/lib/request_handlers/buildGetRequestHandler.ts
@@ -1,64 +1,53 @@
 import { Request, Response } from 'express';
 
-import { dbQuery } from '../accessModule';
+import { query } from '../accessModule';
 import call from '../call';
+import { stderr, stdout, stdoutVar } from '../shell';
 
 const buildGetRequestHandler =
   (
-    query: string | BuildQueryFunction,
+    sqlscript: string | BuildQueryFunction,
     { beforeRespond }: BuildGetRequestHandlerOptions = {},
   ) =>
-  (request: Request, response: Response) => {
-    console.log('Calling CLI script to get data.');
+  async (request: Request, response: Response) => {
+    stdout('Calling CLI script to get data.');
 
     const buildQueryOptions: BuildQueryOptions = {};
 
-    let queryStdout;
+    let result: (number | null | string)[][];
 
     try {
-      ({ stdout: queryStdout } = dbQuery(
-        call<string>(query, {
+      result = await query(
+        call<string>(sqlscript, {
           parameters: [request, buildQueryOptions],
-          notCallableReturn: query,
+          notCallableReturn: sqlscript,
         }),
-      ));
+      );
     } catch (queryError) {
-      console.log(`Failed to execute query; CAUSE: ${queryError}`);
+      stderr(`Failed to execute query; CAUSE: ${queryError}`);
 
       response.status(500).send();
 
       return;
     }
 
-    console.log(
-      `Query stdout pre-hooks (type=[${typeof queryStdout}]): ${JSON.stringify(
-        queryStdout,
-        null,
-        2,
-      )}`,
-    );
+    stdoutVar(result, `Query stdout pre-hooks (type=[${typeof result}]): `);
 
     const { afterQueryReturn } = buildQueryOptions;
 
-    queryStdout = call(afterQueryReturn, {
-      parameters: [queryStdout],
-      notCallableReturn: queryStdout,
+    result = call(afterQueryReturn, {
+      parameters: [result],
+      notCallableReturn: result,
     });
 
-    queryStdout = call(beforeRespond, {
-      parameters: [queryStdout],
-      notCallableReturn: queryStdout,
+    result = call(beforeRespond, {
+      parameters: [result],
+      notCallableReturn: result,
     });
 
-    console.log(
-      `Query stdout post-hooks (type=[${typeof queryStdout}]): ${JSON.stringify(
-        queryStdout,
-        null,
-        2,
-      )}`,
-    );
+    stdoutVar(result, `Query stdout post-hooks (type=[${typeof result}]): `);
 
-    response.json(queryStdout);
+    response.json(result);
   };
 
 export default buildGetRequestHandler;
diff --git a/striker-ui-api/src/lib/request_handlers/command/getHostSSH.ts b/striker-ui-api/src/lib/request_handlers/command/getHostSSH.ts
index 258d9f49..7bf007bb 100644
--- a/striker-ui-api/src/lib/request_handlers/command/getHostSSH.ts
+++ b/striker-ui-api/src/lib/request_handlers/command/getHostSSH.ts
@@ -1,71 +1,68 @@
+import assert from 'assert';
 import { RequestHandler } from 'express';
 
+import { REP_IPV4, REP_PEACEFUL_STRING } from '../../consts';
 import { HOST_KEY_CHANGED_PREFIX } from '../../consts/HOST_KEY_CHANGED_PREFIX';
 
-import { dbQuery, getLocalHostUUID, getPeerData } from '../../accessModule';
-import { sanitizeSQLParam } from '../../sanitizeSQLParam';
+import { getLocalHostUUID, getPeerData, query } from '../../accessModule';
+import { sanitize } from '../../sanitize';
 import { stderr } from '../../shell';
 
 export const getHostSSH: RequestHandler<
   unknown,
-  {
-    badSSHKeys?: DeleteSshKeyConflictRequestBody;
-    hostName: string;
-    hostOS: string;
-    hostUUID: string;
-    isConnected: boolean;
-    isInetConnected: boolean;
-    isOSRegistered: boolean;
-  },
-  {
-    password: string;
-    port?: number;
-    ipAddress: string;
-  }
-> = (request, response) => {
+  GetHostSshResponseBody,
+  GetHostSshRequestBody
+> = async (request, response) => {
   const {
-    body: { password, port = 22, ipAddress: target },
+    body: { password: rpassword, port: rport = 22, ipAddress: rtarget },
   } = request;
 
-  let hostName: string;
-  let hostOS: string;
-  let hostUUID: string;
-  let isConnected: boolean;
-  let isInetConnected: boolean;
-  let isOSRegistered: boolean;
+  const password = sanitize(rpassword, 'string');
+  const port = sanitize(rport, 'number');
+  const target = sanitize(rtarget, 'string', { modifierType: 'sql' });
+
+  try {
+    assert(
+      REP_PEACEFUL_STRING.test(password),
+      `Password must be a peaceful string; got [${password}]`,
+    );
+
+    assert(
+      Number.isInteger(port),
+      `Port must be a valid integer; got [${port}]`,
+    );
+
+    assert(
+      REP_IPV4.test(target),
+      `IP address must be a valid IPv4 address; got [${target}]`,
+    );
+  } catch (assertError) {
+    stderr(`Assert failed when getting host SSH data; CAUSE: ${assertError}`);
+
+    return response.status(400).send();
+  }
 
   const localHostUUID = getLocalHostUUID();
 
+  let rsbody: GetHostSshResponseBody;
+
   try {
-    ({
-      hostName,
-      hostOS,
-      hostUUID,
-      isConnected,
-      isInetConnected,
-      isOSRegistered,
-    } = getPeerData(target, { password, port }));
+    rsbody = getPeerData(target, { password, port });
   } catch (subError) {
     stderr(`Failed to get peer data; CAUSE: ${subError}`);
 
-    response.status(500).send();
-
-    return;
+    return response.status(500).send();
   }
 
-  let badSSHKeys: DeleteSshKeyConflictRequestBody | undefined;
-
-  if (!isConnected) {
-    const rows = dbQuery(`
+  if (!rsbody.isConnected) {
+    const rows: [stateNote: string, stateUUID: string][] = await query(`
       SELECT sta.state_note, sta.state_uuid
       FROM states AS sta
       WHERE sta.state_host_uuid = '${localHostUUID}'
-        AND sta.state_name = '${HOST_KEY_CHANGED_PREFIX}${sanitizeSQLParam(
-      target,
-    )}';`).stdout as [stateNote: string, stateUUID: string][];
+        AND sta.state_name = '${HOST_KEY_CHANGED_PREFIX}${target}';`);
 
     if (rows.length > 0) {
-      badSSHKeys = rows.reduce<DeleteSshKeyConflictRequestBody>(
+      rsbody.badSSHKeys = rows.reduce<DeleteSshKeyConflictRequestBody>(
         (previous, [, stateUUID]) => {
           previous[localHostUUID].push(stateUUID);
 
@@ -76,13 +73,5 @@ export const getHostSSH: RequestHandler<
     }
   }
 
-  response.status(200).send({
-    badSSHKeys,
-    hostName,
-    hostOS,
-    hostUUID,
-    isConnected,
-    isInetConnected,
-    isOSRegistered,
-  });
+  response.status(200).send(rsbody);
 };
diff --git a/striker-ui-api/src/lib/request_handlers/manifest/getManifestTemplate.ts b/striker-ui-api/src/lib/request_handlers/manifest/getManifestTemplate.ts
index d3a87085..8a02b345 100644
--- a/striker-ui-api/src/lib/request_handlers/manifest/getManifestTemplate.ts
+++ b/striker-ui-api/src/lib/request_handlers/manifest/getManifestTemplate.ts
@@ -1,6 +1,6 @@
 import { RequestHandler } from 'express';
 
-import { dbQuery, getLocalHostName } from '../../accessModule';
+import { getLocalHostName, query } from '../../accessModule';
 import {
   getHostNameDomain,
   getHostNamePrefix,
@@ -8,17 +8,18 @@ import {
 } from '../../disassembleHostName';
 import { stderr } from '../../shell';
 
-export const getManifestTemplate: RequestHandler = (request, response) => {
-  let localHostName = '';
+export const getManifestTemplate: RequestHandler = async (
+  request,
+  response,
+) => {
+  let localHostName: string;
 
   try {
     localHostName = getLocalHostName();
   } catch (subError) {
     stderr(String(subError));
 
-    response.status(500).send();
-
-    return;
+    return response.status(500).send();
   }
 
   const localShortHostName = getShortHostName(localHostName);
@@ -38,7 +39,7 @@ export const getManifestTemplate: RequestHandler = (request, response) => {
   >;
 
   try {
-    ({ stdout: rawQueryResult } = dbQuery(
+    rawQueryResult = await query(
       `SELECT
           a.fence_uuid,
           a.fence_name,
@@ -71,13 +72,11 @@ export const getManifestTemplate: RequestHandler = (request, response) => {
           ORDER BY manifest_name DESC
           LIMIT 1
         ) AS c ON a.row_number = c.row_number;`,
-    ));
+    );
   } catch (queryError) {
     stderr(`Failed to execute query; CAUSE: ${queryError}`);
 
-    response.status(500).send();
-
-    return;
+    return response.status(500).send();
   }
 
   const queryResult = rawQueryResult.reduce<
diff --git a/striker-ui-api/src/lib/request_handlers/server/createServer.ts b/striker-ui-api/src/lib/request_handlers/server/createServer.ts
index cae0d884..a5b48c0a 100644
--- a/striker-ui-api/src/lib/request_handlers/server/createServer.ts
+++ b/striker-ui-api/src/lib/request_handlers/server/createServer.ts
@@ -1,107 +1,120 @@
 import assert from 'assert';
 import { RequestHandler } from 'express';
 
+import { REP_UUID, SERVER_PATHS } from '../../consts';
 import { OS_LIST_MAP } from '../../consts/OS_LIST';
-import { REP_INTEGER, REP_UUID } from '../../consts/REG_EXP_PATTERNS';
-import SERVER_PATHS from '../../consts/SERVER_PATHS';
 
-import { dbQuery, job } from '../../accessModule';
-import { stderr, stdout } from '../../shell';
+import { job, query } from '../../accessModule';
+import { sanitize } from '../../sanitize';
+import { stderr, stdout, stdoutVar } from '../../shell';
 
-export const createServer: RequestHandler = ({ body }, response) => {
-  stdout(`Creating server.\n${JSON.stringify(body, null, 2)}`);
+export const createServer: RequestHandler = async (request, response) => {
+  const { body: rqbody = {} } = request;
+
+  stdoutVar({ rqbody }, 'Creating server.\n');
 
   const {
-    serverName,
-    cpuCores,
-    memory,
+    serverName: rServerName,
+    cpuCores: rCpuCores,
+    memory: rMemory,
     virtualDisks: [
-      { storageSize = undefined, storageGroupUUID = undefined } = {},
+      {
+        storageSize: rStorageSize = undefined,
+        storageGroupUUID: rStorageGroupUuid = undefined,
+      } = {},
     ] = [],
-    installISOFileUUID,
-    driverISOFileUUID,
-    anvilUUID,
-    optimizeForOS,
-  } = body || {};
-
-  const dataServerName = String(serverName);
-  const dataOS = String(optimizeForOS);
-  const dataCPUCores = String(cpuCores);
-  const dataRAM = String(memory);
-  const dataStorageGroupUUID = String(storageGroupUUID);
-  const dataStorageSize = String(storageSize);
-  const dataInstallISO = String(installISOFileUUID);
-  const dataDriverISO = String(driverISOFileUUID) || 'none';
-  const dataAnvilUUID = String(anvilUUID);
+    installISOFileUUID: rInstallIsoUuid,
+    driverISOFileUUID: rDriverIsoUuid,
+    anvilUUID: rAnvilUuid,
+    optimizeForOS: rOptimizeForOs,
+  } = rqbody;
+
+  const serverName = sanitize(rServerName, 'string');
+  const os = sanitize(rOptimizeForOs, 'string');
+  const cpuCores = sanitize(rCpuCores, 'number');
+  const memory = sanitize(rMemory, 'number');
+  const storageGroupUUID = sanitize(rStorageGroupUuid, 'string');
+  const storageSize = sanitize(rStorageSize, 'number');
+  const installIsoUuid = sanitize(rInstallIsoUuid, 'string');
+  const driverIsoUuid = sanitize(rDriverIsoUuid, 'string', {
+    fallback: 'none',
+  });
+  const anvilUuid = sanitize(rAnvilUuid, 'string');
 
   try {
     assert(
-      /^[0-9a-z_-]+$/i.test(dataServerName),
-      `Data server name can only contain alphanumeric, underscore, and hyphen characters; got [${dataServerName}].`,
+      /^[0-9a-z_-]+$/i.test(serverName),
+      `Data server name can only contain alphanumeric, underscore, and hyphen characters; got [${serverName}]`,
     );
 
-    const [[serverNameCount]] = dbQuery(
-      `SELECT COUNT(server_uuid) FROM servers WHERE server_name = '${dataServerName}'`,
-    ).stdout;
+    const [[serverNameCount]] = await query(
+      `SELECT COUNT(server_uuid) FROM servers WHERE server_name = '${serverName}'`,
+    );
 
     assert(
       serverNameCount === 0,
-      `Data server name already exists; got [${dataServerName}]`,
+      `Data server name already exists; got [${serverName}]`,
     );
+
     assert(
-      OS_LIST_MAP[dataOS] !== undefined,
-      `Data OS not recognized; got [${dataOS}].`,
+      OS_LIST_MAP[os] !== undefined,
+      `Data OS not recognized; got [${os}]`,
     );
+
     assert(
-      REP_INTEGER.test(dataCPUCores),
-      `Data CPU cores can only contain digits; got [${dataCPUCores}].`,
+      Number.isInteger(cpuCores),
+      `Data CPU cores can only contain digits; got [${cpuCores}]`,
     );
+
     assert(
-      REP_INTEGER.test(dataRAM),
-      `Data RAM can only contain digits; got [${dataRAM}].`,
+      Number.isInteger(memory),
+      `Data RAM can only contain digits; got [${memory}]`,
     );
+
     assert(
-      REP_UUID.test(dataStorageGroupUUID),
-      `Data storage group UUID must be a valid UUID; got [${dataStorageGroupUUID}].`,
+      REP_UUID.test(storageGroupUUID),
+      `Data storage group UUID must be a valid UUID; got [${storageGroupUUID}]`,
     );
+
     assert(
-      REP_INTEGER.test(dataStorageSize),
-      `Data storage size can only contain digits; got [${dataStorageSize}].`,
+      Number.isInteger(storageSize),
+      `Data storage size can only contain digits; got [${storageSize}]`,
     );
+
     assert(
-      REP_UUID.test(dataInstallISO),
-      `Data install ISO must be a valid UUID; got [${dataInstallISO}].`,
+      REP_UUID.test(installIsoUuid),
+      `Data install ISO must be a valid UUID; got [${installIsoUuid}]`,
     );
+
     assert(
-      dataDriverISO === 'none' || REP_UUID.test(dataDriverISO),
-      `Data driver ISO must be a valid UUID when provided; got [${dataDriverISO}].`,
+      driverIsoUuid === 'none' || REP_UUID.test(driverIsoUuid),
+      `Data driver ISO must be a valid UUID when provided; got [${driverIsoUuid}]`,
     );
+
     assert(
-      REP_UUID.test(dataAnvilUUID),
-      `Data anvil UUID must be a valid UUID; got [${dataAnvilUUID}].`,
+      REP_UUID.test(anvilUuid),
+      `Data anvil UUID must be a valid UUID; got [${anvilUuid}]`,
     );
   } catch (assertError) {
     stdout(
-      `Failed to assert value when trying to provision a server; CAUSE: ${assertError}.`,
+      `Failed to assert value when trying to provision a server; CAUSE: ${assertError}`,
     );
 
-    response.status(400).send();
-
-    return;
+    return response.status(400).send();
   }
 
-  const provisionServerJobData = `server_name=${dataServerName}
-os=${dataOS}
-cpu_cores=${dataCPUCores}
-ram=${dataRAM}
-storage_group_uuid=${dataStorageGroupUUID}
-storage_size=${dataStorageSize}
-install_iso=${dataInstallISO}
-driver_iso=${dataDriverISO}`;
+  const provisionServerJobData = `server_name=${serverName}
+os=${os}
+cpu_cores=${cpuCores}
+ram=${memory}
+storage_group_uuid=${storageGroupUUID}
+storage_size=${storageSize}
+install_iso=${installIsoUuid}
+driver_iso=${driverIsoUuid}`;
 
   stdout(`provisionServerJobData=[${provisionServerJobData}]`);
 
-  const [[provisionServerJobHostUUID]] = dbQuery(
+  const [[provisionServerJobHostUUID]]: [[string]] = await query(
     `SELECT
           CASE
             WHEN pri_hos.primary_host_uuid IS NULL
@@ -120,7 +133,7 @@ driver_iso=${dataDriverISO}`;
             AND sca_clu_nod.scan_cluster_node_crmd_member
             AND sca_clu_nod.scan_cluster_node_cluster_member
             AND (NOT sca_clu_nod.scan_cluster_node_maintenance_mode)
-            AND anv.anvil_uuid = '${dataAnvilUUID}'
+            AND anv.anvil_uuid = '${anvilUuid}'
           ORDER BY sca_clu_nod.scan_cluster_node_name
           LIMIT 1
         ) AS pri_hos
@@ -129,10 +142,10 @@ driver_iso=${dataDriverISO}`;
             1 AS phr,
             anv.anvil_node1_host_uuid AS node1_host_uuid
           FROM anvils AS anv
-          WHERE anv.anvil_uuid = '${dataAnvilUUID}'
+          WHERE anv.anvil_uuid = '${anvilUuid}'
         ) AS nod_1
           ON pri_hos.phl = nod_1.phr;`,
-  ).stdout;
+  );
 
   stdout(`provisionServerJobHostUUID=[${provisionServerJobHostUUID}]`);
 
@@ -149,9 +162,7 @@ driver_iso=${dataDriverISO}`;
   } catch (subError) {
     stderr(`Failed to provision server; CAUSE: ${subError}`);
 
-    response.status(500).send();
-
-    return;
+    return response.status(500).send();
   }
 
   response.status(202).send();
diff --git a/striker-ui-api/src/lib/request_handlers/server/getServerDetail.ts b/striker-ui-api/src/lib/request_handlers/server/getServerDetail.ts
index c847133e..a9641700 100644
--- a/striker-ui-api/src/lib/request_handlers/server/getServerDetail.ts
+++ b/striker-ui-api/src/lib/request_handlers/server/getServerDetail.ts
@@ -3,10 +3,9 @@ import { RequestHandler } from 'express';
 import { createReadStream } from 'fs';
 import path from 'path';
 
-import { REP_UUID } from '../../consts/REG_EXP_PATTERNS';
-import SERVER_PATHS from '../../consts/SERVER_PATHS';
+import { REP_UUID, SERVER_PATHS } from '../../consts';
 
-import { dbQuery, getLocalHostUUID, job } from '../../accessModule';
+import { getLocalHostUUID, job, query } from '../../accessModule';
 import { sanitize } from '../../sanitize';
 import { mkfifo, rm, stderr, stdout } from '../../shell';
 
@@ -18,7 +17,7 @@ const rmfifo = (path: string) => {
   }
 };
 
-export const getServerDetail: RequestHandler = (request, response) => {
+export const getServerDetail: RequestHandler = async (request, response) => {
   const { serverUUID } = request.params;
   const { ss, resize } = request.query;
 
@@ -39,9 +38,7 @@ export const getServerDetail: RequestHandler = (request, response) => {
       `Failed to assert value when trying to get server detail; CAUSE: ${assertError}.`,
     );
 
-    response.status(500).send();
-
-    return;
+    return response.status(500).send();
   }
 
   if (isScreenshot) {
@@ -52,24 +49,20 @@ export const getServerDetail: RequestHandler = (request, response) => {
     } catch (subError) {
       stderr(String(subError));
 
-      response.status(500).send();
-
-      return;
+      return response.status(500).send();
     }
 
     stdout(`requestHostUUID=[${requestHostUUID}]`);
 
     try {
-      [[serverHostUUID]] = dbQuery(`
+      [[serverHostUUID]] = await query(`
           SELECT server_host_uuid
           FROM servers
-          WHERE server_uuid = '${serverUUID}';`).stdout;
+          WHERE server_uuid = '${serverUUID}';`);
     } catch (queryError) {
       stderr(`Failed to get server host UUID; CAUSE: ${queryError}`);
 
-      response.status(500).send();
-
-      return;
+      return response.status(500).send();
     }
 
     stdout(`serverHostUUID=[${serverHostUUID}]`);
@@ -94,9 +87,9 @@ export const getServerDetail: RequestHandler = (request, response) => {
       namedPipeReadStream.once('close', () => {
         stdout(`On close; removing named pipe at ${imageFilePath}.`);
 
-        response.status(200).send({ screenshot: imageData });
-
         rmfifo(imageFilePath);
+
+        return response.status(200).send({ screenshot: imageData });
       });
 
       namedPipeReadStream.on('data', (data) => {
@@ -123,11 +116,9 @@ export const getServerDetail: RequestHandler = (request, response) => {
         `Failed to prepare named pipe and/or receive image data; CAUSE: ${prepPipeError}`,
       );
 
-      response.status(500).send();
-
       rmfifo(imageFilePath);
 
-      return;
+      return response.status(500).send();
     }
 
     let resizeArgs = sanitize(resize, 'string');
@@ -152,9 +143,7 @@ out-file-id=${epoch}`,
     } catch (subError) {
       stderr(`Failed to queue fetch server screenshot job; CAUSE: ${subError}`);
 
-      response.status(500).send();
-
-      return;
+      return response.status(500).send();
     }
   } else {
     // For getting sever detail data.
diff --git a/striker-ui-api/src/routes/file.ts b/striker-ui-api/src/routes/file.ts
index bfcb63ff..6c348001 100644
--- a/striker-ui-api/src/routes/file.ts
+++ b/striker-ui-api/src/routes/file.ts
@@ -1,31 +1,33 @@
 import express from 'express';
 
+import { DELETED } from '../lib/consts';
+
 import {
   dbJobAnvilSyncShared,
-  dbQuery,
   timestamp,
   dbWrite,
+  query,
 } from '../lib/accessModule';
 import getFile from '../lib/request_handlers/file/getFile';
 import getFileDetail from '../lib/request_handlers/file/getFileDetail';
 import uploadSharedFiles from '../middlewares/uploadSharedFiles';
+import { stderr, stdout, stdoutVar } from '../lib/shell';
 
 const router = express.Router();
 
 router
-  .delete('/:fileUUID', (request, response) => {
+  .delete('/:fileUUID', async (request, response) => {
     const { fileUUID } = request.params;
-    const FILE_TYPE_DELETED = 'DELETED';
 
-    const [[oldFileType]] = dbQuery(
+    const [[oldFileType]] = await query(
       `SELECT file_type FROM files WHERE file_uuid = '${fileUUID}';`,
-    ).stdout;
+    );
 
-    if (oldFileType !== FILE_TYPE_DELETED) {
+    if (oldFileType !== DELETED) {
       dbWrite(
         `UPDATE files
           SET
-            file_type = '${FILE_TYPE_DELETED}',
+            file_type = '${DELETED}',
             modified_date = '${timestamp()}'
           WHERE file_uuid = '${fileUUID}';`,
       ).stdout;
@@ -40,11 +42,10 @@ router
   .get('/', getFile)
   .get('/:fileUUID', getFileDetail)
   .post('/', uploadSharedFiles.single('file'), ({ file, body }, response) => {
-    console.log('Receiving shared file.');
+    stdout('Receiving shared file.');
 
     if (file) {
-      console.log(`file: ${JSON.stringify(file, null, 2)}`);
-      console.log(`body: ${JSON.stringify(body, null, 2)}`);
+      stdoutVar({ body, file });
 
       dbJobAnvilSyncShared(
         'move_incoming',
@@ -56,24 +57,26 @@ router
       response.status(200).send();
     }
   })
-  .put('/:fileUUID', (request, response) => {
-    console.log('Begin edit single file.');
-    console.dir(request.body);
+  .put('/:fileUUID', async (request, response) => {
+    const { body = {}, params } = request;
 
-    const { fileUUID } = request.params;
-    const { fileName, fileLocations, fileType } = request.body;
+    stdoutVar(body, 'Begin edit single file. body=');
+
+    const { fileUUID } = params;
+    const { fileName, fileLocations, fileType } = body;
     const anvilSyncSharedFunctions = [];
 
-    let query = '';
+    let sqlscript = '';
 
     if (fileName) {
-      const [[oldFileName]] = dbQuery(
+      const [[oldFileName]] = await query(
         `SELECT file_name FROM files WHERE file_uuid = '${fileUUID}';`,
-      ).stdout;
-      console.log(`oldFileName=[${oldFileName}],newFileName=[${fileName}]`);
+      );
+
+      stdoutVar({ oldFileName, fileName });
 
       if (fileName !== oldFileName) {
-        query += `
+        sqlscript += `
           UPDATE files
           SET
             file_name = '${fileName}',
@@ -93,7 +96,7 @@ router
     }
 
     if (fileType) {
-      query += `
+      sqlscript += `
         UPDATE files
         SET
           file_type = '${fileType}',
@@ -113,7 +116,7 @@ router
 
     if (fileLocations) {
       fileLocations.forEach(
-        ({
+        async ({
           fileLocationUUID,
           isFileLocationActive,
         }: {
@@ -132,14 +135,18 @@ router
             jobDescription = '0133';
           }
 
-          query += `
-          UPDATE file_locations
-          SET
-            file_location_active = '${fileLocationActive}',
-            modified_date = '${timestamp()}'
-          WHERE file_location_uuid = '${fileLocationUUID}';`;
-
-          const targetHosts = dbQuery(
+          sqlscript += `
+            UPDATE file_locations
+            SET
+              file_location_active = '${fileLocationActive}',
+              modified_date = '${timestamp()}'
+            WHERE file_location_uuid = '${fileLocationUUID}';`;
+
+          const targetHosts: [
+            n1uuid: string,
+            n2uuid: string,
+            dr1uuid: null | string,
+          ][] = await query(
             `SELECT
               anv.anvil_node1_host_uuid,
               anv.anvil_node2_host_uuid,
@@ -148,9 +155,9 @@ router
             JOIN file_locations AS fil_loc
               ON anv.anvil_uuid = fil_loc.file_location_anvil_uuid
             WHERE fil_loc.file_location_uuid = '${fileLocationUUID}';`,
-          ).stdout;
+          );
 
-          targetHosts.flat().forEach((hostUUID: string) => {
+          targetHosts.flat().forEach((hostUUID: null | string) => {
             if (hostUUID) {
               anvilSyncSharedFunctions.push(() =>
                 dbJobAnvilSyncShared(
@@ -167,34 +174,23 @@ router
       );
     }
 
-    console.log(`Query (type=[${typeof query}]): [${query}]`);
+    stdout(`Query (type=[${typeof sqlscript}]): [${sqlscript}]`);
 
     let queryStdout;
 
     try {
-      ({ stdout: queryStdout } = dbWrite(query));
+      ({ stdout: queryStdout } = dbWrite(sqlscript));
     } catch (queryError) {
-      console.log(`Failed to execute query; CAUSE: ${queryError}`);
+      stderr(`Failed to execute query; CAUSE: ${queryError}`);
 
-      response.status(500).send();
+      return response.status(500).send();
     }
 
-    console.log(
-      `Query stdout (type=[${typeof queryStdout}]): ${JSON.stringify(
-        queryStdout,
-        null,
-        2,
-      )}`,
+    stdoutVar(queryStdout, `Query stdout (type=[${typeof queryStdout}]): `);
+
+    anvilSyncSharedFunctions.forEach((fn, index) =>
+      stdoutVar(fn(), `Anvil sync shared [${index}] output: `),
     );
-    anvilSyncSharedFunctions.forEach((fn, index) => {
-      console.log(
-        `Anvil sync shared [${index}] output: [${JSON.stringify(
-          fn(),
-          null,
-          2,
-        )}]`,
-      );
-    });
 
     response.status(200).send(queryStdout);
   });
diff --git a/striker-ui-api/src/types/ApiCommand.d.ts b/striker-ui-api/src/types/ApiCommand.d.ts
new file mode 100644
index 00000000..d3d03adf
--- /dev/null
+++ b/striker-ui-api/src/types/ApiCommand.d.ts
@@ -0,0 +1,15 @@
+type GetHostSshRequestBody = {
+  password: string;
+  port?: number;
+  ipAddress: string;
+};
+
+type GetHostSshResponseBody = {
+  badSSHKeys?: DeleteSshKeyConflictRequestBody;
+  hostName: string;
+  hostOS: string;
+  hostUUID: string;
+  isConnected: boolean;
+  isInetConnected: boolean;
+  isOSRegistered: boolean;
+};