From b5f01625acf7a145bb5ac81eddcb968ad1d6d406 Mon Sep 17 00:00:00 2001
From: onceupon <nim.1111.ou@gmail.com>
Date: Tue, 14 Nov 2017 15:44:15 +0800
Subject: [PATCH] add system

remove unnecessary files to clean your server
---
 README.md | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 0466e3a..353ad4e 100644
--- a/README.md
+++ b/README.md
@@ -2197,7 +2197,17 @@ check ntp:
 ```bash
 ntpq -p
 ```
-
+##### remove unnecessary files to clean your server
+```bash
+sudo apt-get autoremove
+sudo apt-get clean
+sudo rm -rf ~/.cache/thumbnails/*
+```
+Remove old kernal:
+```bash
+sudo dpkg --list 'linux-image*'
+sudo apt-get remove linux-image-OLDER_VERSION
+```
 
 
 =-=-=-=-=-A lot more coming!! =-=-=-=-=-=-=-=-=-=waitwait-=-=-=-=-=-=-=-=-=-