diff --git a/.README.md b/.README.md
index 2c73b8a..30da012 100644
--- a/.README.md
+++ b/.README.md
@@ -1,6 +1,11 @@
 # Custom system config.
 This is my own custom config that I use on my GNU/Linux machines. Not ment to be used by anyone else.
 
+# Bootstrap.
+```bash
+
+```
+
 # Table of contents.
 
 1. [General info.](#general-info)
diff --git a/.bootstrap.sh b/.bootstrap.sh
new file mode 100755
index 0000000..a6e8f74
--- /dev/null
+++ b/.bootstrap.sh
@@ -0,0 +1,14 @@
+#!/bin/bash
+
+# check if this is already a git repo.
+if [[ -d ".git" ]]; then
+  echo "Found the .git directory. Already initialized?"
+  exit 1
+fi
+
+# sync.
+git init
+git remote add origin https://git.voronind.com/voronind/linux.git
+git fetch
+git reset origin/master
+git checkout -t origin/master
diff --git a/.gitignore b/.gitignore
index cc2e0f6..dc4ec9b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,8 @@
 *
 
+# bootstrap.
+!/.bootstrap.sh
+
 # readme.
 !/.README.md
 
diff --git a/.linux/bash/module/toolbx.sh b/.linux/bash/module/toolbx.sh
index a5d06e1..bc33b71 100644
--- a/.linux/bash/module/toolbx.sh
+++ b/.linux/bash/module/toolbx.sh
@@ -2,38 +2,38 @@
 # usage: tb [NAME]
 tba()
 {
-  local name="$1"
+  local name="${1}"
   
   # set default name.
-  if [[ "$name" = "" ]]; then
+  if [[ "${name}" = "" ]]; then
     name="main"
   fi
 
   # start container or run command inside it if specified.
-  if [[ "$2" = "" ]]; then
+  if [[ "${2}" = "" ]]; then
     # set hostname.
-    toolbox --container "$name" run sudo hostname "${HOSTNAME}-${name}"
+    toolbox --container "${name}" run sudo hostname "${HOSTNAME}-${name}"
     
     # try to enter or create if failed.
-    toolbox enter "$name" || {
+    toolbox enter "${name}" || {
       # create container.
-      toolbox create "$name"
+      toolbox create "${name}"
       
       # initialize container.
-      toolbox --container "$name" run sudo hostname "${HOSTNAME}-${name}"
-      toolbox --container "$name" run sudo rm /root/.bashrc
-      toolbox --container "$name" run sudo ln -s $HOME/.linux /root/.linux
-      toolbox --container "$name" run sudo ln -s /root/.linux/bash/bashrc.sh /root/.bashrc
+      toolbox --container "${name}" run sudo hostname "${HOSTNAME}-${name}"
+      # toolbox --container "$name" run sudo rm /root/.bashrc
+      # toolbox --container "$name" run sudo ln -s $HOME/.linux /root/.linux
+      # toolbox --container "$name" run sudo ln -s /root/.linux/bash/bashrc.sh /root/.bashrc
       
       # enter container, finally.
-      toolbox enter "$name"
+      toolbox enter "${name}"
     }
   else
     # set hostname.
-    toolbox --container "$name" run sudo hostname "${HOSTNAME}-${name}"
+    toolbox --container "${name}" run sudo hostname "${HOSTNAME}-${name}"
     
     # run command inside container.
-    toolbox --container "$name" run ${@:2}
+    toolbox --container "${name}" run ${@:2}
   fi
 }
 
@@ -41,30 +41,30 @@ tba()
 # usage: tbk [NAME]
 tbk()
 {
-  local name="$1"
+  local name="${1}"
   
   # set default name.
-  if [[ "$name" = "" ]]; then
+  if [[ "${name}" = "" ]]; then
     name="main"
   fi
 
   # stop and remove podman container.
-  podman stop "$name" > /dev/null && podman rm "$name" > /dev/null
+  podman stop "${name}" > /dev/null && podman rm "${name}" > /dev/null
 }
 
 # install rpm-fusion repository.
 # usage: tb_rpmfusion [NAME]
 tb_rpmfusion()
 {
-  local name="$1"
+  local name="${1}"
   
   # set default name.
-  if [[ "$name" = "" ]]; then
+  if [[ "${name}" = "" ]]; then
     name="main"
   fi
   
   # run dnf inside container.
-  toolbox --container "$name" run sudo dnf install https://download1.rpmfusion.org/free/fedora/rpmfusion-free-release-$(rpm -E %fedora).noarch.rpm https://download1.rpmfusion.org/nonfree/fedora/rpmfusion-nonfree-release-$(rpm -E %fedora).noarch.rpm
+  toolbox --container "${name}" run sudo dnf install https://download1.rpmfusion.org/free/fedora/rpmfusion-free-release-$(rpm -E %fedora).noarch.rpm https://download1.rpmfusion.org/nonfree/fedora/rpmfusion-nonfree-release-$(rpm -E %fedora).noarch.rpm
 }
 
 # list all containers.