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Pitfalls When Parsing Binary Data in Go

Pitfalls When Parsing Binary Data in Go for { buf := make([]byte, bufSize) n, err := r.Read(buf) if err == io.EOF { return } else if err != nil { aerr.Store(err) return } ch <- buf[:n] } The code returns immediately when err is io.EOF, which is the most likely problem. The docs say: Callers should always process the n > 0 bytes returned before considering the error err. Doing so correctly handles I/O errors that happen after reading some bytes and also both of the allowed EOF behaviors.

Friday, January 20, 2023 Read
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Rust Easy! Modern Cross-platform Command Line Tools to Supercharge Your Terminal

Rust Easy! Modern Cross-platform Command Line Tools to Supercharge Your Terminal Alacritty Alacritty is a cross-platform modern terminal emulator with sensible defaults. It is GPU accelerated, super fast, and highly configurable. You can use it on Linux, macOS, and Windows. bat bat is one of my favorite tools from this list. It’s a replacement for cat. dust Dust is an alternative for the du command. It is fast and has a better UX with nice visualization for disk usage.

Friday, January 13, 2023 Read
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Windows SSH Setup

Windows SSH Setup Install OpenSSH for Windows The default shell is cmd. The docs say to change the ansible_shell_type variable if needed. This should be set as a host variable in inventory: ansible_shell_type, with value cmd or powershell. Add the ansible_connection host variable in inventory to indicate SSH connections. (192.168.192.11 ansible_user=Administrator ansible_connection=ssh ansible_shell_type=cmd ) You may need to add remote_tmp in ansible.cfg and set it to C:\TEMP. In playbooks, use modules prefixed with win_, or use the raw module.

Tuesday, January 3, 2023 Read