fix ram messages and self-update handling

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "khost"
-version = "0.0.9"
+version = "0.0.10"
 edition = "2021"
 authors = ["Kaspa developers"]
 license = "MIT OR Apache-2.0"

src/kaspad.rs

@@ -382,8 +382,8 @@ pub fn configure_networks(ctx: &mut Context, networks: Vec<Network>) -> Result<(
         if networks.len() >= *nodes && ctx.system.ram_as_gb() <= (*limit - 2) {
             log::error(format!(
                 "Detected RAM is {}, minimum required for {} networks is {} Gb. Aborting...",
-                nodes,
                 as_gb(ctx.system.total_memory as f64, false, false),
+                nodes,
                 *limit
             ))?;
             return Ok(());

src/khost.rs

@@ -26,7 +26,8 @@ pub fn update() -> Result<()> {
                     log::info(format!("Updating khost to {latest_version}"))?;
                     cmd!("cargo", "install", format!("khost@{latest_version}")).run()?;
                     log::success(format!("khost updated to {latest_version}"))?;
-                    log::info("Starting new version...")?;
+                    log::info("(if khost exits, please restart it)")?;
+                    outro("Starting new version...")?;
                     println!();
                     surrender();
                 }
@@ -38,6 +39,7 @@ pub fn update() -> Result<()> {
 }
 
 pub fn surrender() {
-    let _ = cmd!("khost").run();
+    let current_exe = std::env::current_exe().unwrap();
+    let _ = duct::cmd!(current_exe).run();
     std::process::exit(0);
 }