Ben Chuanlong Du's Blog

It is never too late to learn.

Tips on rsync

Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!

Tips and Traps

  1. The command rsync -avh src_dir des_dir (src_dir has no trailing slash) synchronizes the whole directory src_dir into the destination directory des_dir while rsync -avh src_dir/ des_dir (src_dir/ has …

Hadoop Filesystem Tips

Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!

Tips and Traps

  1. It is suggested that you never use the -skipTrash option unless you are absolutely aware of what you are doing. I made mistakes a couple of times in …

Make a Rust Project Both a Library and a Binary

Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!

.
├── Cargo.toml
└── src
    ├── main.rs
    │   
    └── lib.rs
[package]
name = "package_name"
version = "0.0.1"
authors = ["me <me@gmail.com>"]

[lib]
name = "lib_name"
path = "src/lib.rs"

[[bin]]
name = "binary_name"
path = "src …

Command Line Tools for Mac File System

Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!

Note: When work both in Linux and macOS, a painful burden to use command-line is to remember subtle differences between Linux commands and macOS commands. A a matter of fact, GNU …

Tips on NFS

Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!

  1. Make sure nfs service is not blocked. Check iptables and "/etc/hosts.allow".

  2. Make sure nfs service is running on the server.

    sudo service nfs-kernel-server start

  3. You can choose the version …