Ubuntu手记

安装常见库

# libsecret-1-0
apt install -y libsecret-1-0
# libgbm-dev
apt install -y libgbm-dev
# libgtk-3-0
apt install -y libgtk-3-0

清除系统缓存

1. Clear PageCache only. sync; echo 1 > /proc/sys/vm/drop_caches.
2. Clear dentries and inodes. sync; echo 2 > /proc/sys/vm/drop_caches.
3. Clear PageCache, dentries and inodes. sync; echo 3 > /proc/sys/vm/drop_caches.

sync will flush the file system buffer.

wget指定文件名