Update installation scripts and add new features

exa -> eza

init_priv.sh

@@ -34,21 +34,38 @@ configure_upgrade() {
     fi
 }
 
+configure_install_basic() {
+    [ "$1" != "noupdate" ] && sudo apt update
+    sudo apt install tmux git curl htop net-tools tar unzip -y
+}
+
+configure_install_useful() {
+    [ "$1" != "noupdate" ] && sudo apt update
+    sudo apt install hexyl bat neofetch fd-find fzf tcptraceroute -y
+    pip3 install trash-cli
+}
+
+configure_install_new() {
+    [ "$1" != "noupdate" ] && sudo apt update
+    sudo apt install pigz -y
+    pip3 install speedtest-cli
+}
+
+configure_install_eza() {
+    if ! command_exists eza; then
+        unzip $scriptdir/files/eza_x86_64-unknown-linux-musl.zip -d $tempdir/eza
+        sudo cp $tempdir/eza/eza /usr/local/bin/
+        rm $tempdir/eza -r
+    fi
+}
+
 configure_install() {
     if confirm_action "要运行 apt/pip3 install 吗？" "N"; then
         sudo apt update
-        sudo apt install tmux git curl htop net-tools tcptraceroute tar unzip -y
-        sudo apt install hexyl bat neofetch fd-find fzf pigz -y
-        pip3 install trash-cli speedtest-cli
-
-        sudo apt install exa -y
-        if [ $? -ne 0 ]; then
-            unzip $scriptdir/files/exa-linux-x86_64-v0.10.1.zip -d $tempdir/exa
-            sudo cp $tempdir/exa/bin/* /usr/local/bin/
-            sudo cp $tempdir/exa/man/* /usr/share/man/man1/
-            sudo cp $tempdir/exa/completions/exa.zsh /usr/local/share/zsh/site-functions
-            rm $tempdir/exa -r
-        fi
+        configure_install_basic noupdate
+        configure_install_useful noupdate
+        configure_install_new noupdate
+        configure_install_eza noupdate
     fi
 }
 
@@ -194,6 +211,26 @@ configure_oomkiller() {
     fi
 }
 
+configure_swap() {
+    # Create a virtual memory file
+    sudo dd if=/dev/zero of=/mnt/swap bs=1M count=4096
+    sudo chmod 0600 /mnt/swap
+    sudo mkswap /mnt/swap
+    sudo swapon /mnt/swap
+    # Write auto mount parameters
+    if ! grep -q swap /etc/fstab; then
+        echo "/mnt/swap swap swap defaults 0 0" >> /etc/fstab
+    fi
+    # Set virtual memory usage
+    if ! grep -q swappiness /etc/sysctl.conf; then
+        echo "vm.swappiness = 10" >> /etc/sysctl.conf
+    else
+        sed -i 's/vm.swappiness = 0/vm.swappiness = 10/' /etc/sysctl.conf
+    fi
+    # Make the configuration take effect
+    sysctl -p
+}
+
 # ============================================================
 
 if [ $# -ne 0 ]; then