diff --git a/tools/install.sh b/tools/install.sh
new file mode 100755
index 0000000..25b36a5
--- /dev/null
+++ b/tools/install.sh
@@ -0,0 +1,16 @@
+#!/bin/bash
+
+declare -A install_commands
+install_commands=(\
+    [git]="apt update && apt install git" \
+    [fzf]="git clone --depth 1 https://github.com/junegunn/fzf.git ~/.fzf &&  ~/.fzf/install" \
+    [acme.sh]="curl https://get.acme.sh | sh -s email=${EMAIL:-me@beardic.cn}" \
+    [oh-my-zsh]='sh -c "$(curl -fsSL https://raw.github.com/ohmyzsh/ohmyzsh/master/tools/install.sh)"' \
+)
+
+install()
+{
+    echo ${install_commands[$1]}
+}
+
+install $1
diff --git a/tools/ubuntu.sh b/tools/ubuntu.sh
index d440992..9b36071 100755
--- a/tools/ubuntu.sh
+++ b/tools/ubuntu.sh
@@ -18,11 +18,11 @@ init()
 
     # mass installation
     apt update
-    apt install git tmux zsh curl wget dialog net-tools dnsutils netcat traceroute sudo python3 python3-pip cron inetutils-ping
+    apt install git tmux zsh curl wget dialog net-tools dnsutils netcat traceroute sudo python3 python3-pip cron inetutils-ping openssh-client openssh-server
     for i in {fzf,ripgrep}; do apt install $i -y; done
 
     # custom dotfiles (usually not needed)
-    # mkdir -p ~/.ssh
+    mkdir -p ~/.ssh
     # cd ~ && git clone https://gitee.com/dictxiong/dotfiles && ./dotfiles/install.sh
     
     # who am i