macOS
Homebrew已验证 · 100%
brew install ntplocal Homebrew formula metadata
MacPorts已验证 · 94%
sudo port install ntpMacPorts ports tree · sysutils/ntp/Portfile · 来源: api.github.com
安装
其他安装命令
Linux
Nix已验证 · 92%
nix profile install nixpkgs#ntpnixpkgs package indexes · pkgs/by-name/nt/ntp/package.nix · 来源: api.github.com
Arch Linux pacman已验证 · 92%
sudo pacman -S ntpArch Linux sync databases · ntp · 来源: geo.mirror.pkgbuild.com
Ubuntu apt已验证 · 92%
sudo apt install ntpUbuntu 24.04 LTS package indexes · ntp · 来源: archive.ubuntu.com
openSUSE zypper已验证 · 92%
sudo zypper install ntpopenSUSE Tumbleweed package metadata · ntp · 来源: download.opensuse.org
概览
软件包摘要
Network Time Protocol (NTP) Distribution
历史
项目历史与用法
The NTP package is the classic Network Time Protocol distribution: daemon, query tools, key generation, SNTP utilities, leap-file updater, and compatibility commands for operating a network-synchronized system clock.
项目历史
NTP predates most packages in this database. The NTP FAQ says the first NTP implementation started around 1980, after earlier Internet clock-service work, and that the name Network Time Protocol first appeared in RFC 958 in September 1985. David L. Mills authored RFC 958.
The FAQ traces the protocol through RFC 1059 for NTP version 1 in 1988, RFC 1119 for version 2 with symmetric-key authentication, RFC 1305 for version 3 in 1992, and later NTPv4 work. It also notes that `xntp`, written by Dennis Fergusson at the University of Toronto, evolved into the public software distribution.
采用历史
NTP became foundational Internet infrastructure because clocks affect logs, authentication, distributed systems, filesystems, Kerberos, TLS validation, monitoring, and incident response. The package is less a trendy CLI than a long-lived system service that operating systems either ship directly or replace with compatible descendants such as chrony, systemd-timesyncd, OpenNTPD, or NTPsec.
The Homebrew package remains useful for admins who specifically need the reference-style tools such as `ntpd`, `ntpq`, `ntpdate`, `sntp`, and `ntptime` on macOS or in reproducible package environments.
使用方式
Package users configure servers and peers in `/etc/ntp.conf`, run `ntpd` as a daemon, inspect associations with `ntpq`, generate or manage keys with `ntp-keygen`, perform one-shot synchronization with `ntpdate` or `sntp`, and maintain leap-second data with `update-leap`.
The practical split is operational: small systems often only need client synchronization, while infrastructure operators care about strata, upstream server selection, authentication, drift behavior, and monitoring offset/jitter over time.
为什么软件包爱好者会关心
NTP is package history as infrastructure history. It is one of the quiet protocols that made distributed computing less chaotic, and the brew formula packages the traditional toolchain rather than a newer reimplementation.
时间线
- Around 1980: first NTP implementation, per the NTP FAQ.
- 1985-09: RFC 958, Network Time Protocol, published by David L. Mills.
- 1988: RFC 1059 specified NTP version 1.
- 1989: RFC 1119 specified NTP version 2.
- 1992: RFC 1305 specified NTP version 3.
- 2010-06: RFC 5905 specified NTP version 4.
Related projects
- xntp
- NTPsec
- OpenNTPD
- chrony
- systemd-timesyncd
来源
安全态势
风险级别：blue
broad file, network, media, or database tool signal.
风险分类器
blue 风险 · 中 置信度 · tool
原因
- broad file, network, media, or database tool signal
信号
- text:network
安装行为
- formula 元数据中未记录 Homebrew post-install 钩子。
- Homebrew bottle 元数据适用于 10 个平台目标。
- 安装时包含 1 个运行时依赖。
建议审查
在无人值守的代理使用前，请检查该工具是否读取明文凭据、写入远程状态、发布制品或调用插件。
local files
Configuration and credential file locations
These source-backed paths show where this package keeps local settings or durable credentials. Automic Vault can use them as review targets for secret scanning, migration, and command approval.
Configuration files
Config paths the tool may read or write during local use.
- Unix
/etc/ntp.conf
Credential files
Credential-bearing paths to review before unattended agent runs.
- Unix
/etc/ntp.keys
可执行文件
已安装的可执行文件
| 命令 | 类型 | 暴露范围 | 备注 |
|---|---|---|---|
ntp-keygen | cli | 全局可执行文件 | |
ntp-wait | cli | 全局可执行文件 | |
ntpd | cli | 全局可执行文件 | |
ntpdate | cli | 全局可执行文件 | |
ntpdc | cli | 全局可执行文件 | |
ntpq | cli | 全局可执行文件 | |
ntptime | cli | 全局可执行文件 | |
ntptrace | cli | 全局可执行文件 | |
sntp | cli | 全局可执行文件 | |
update-leap | cli | 全局可执行文件 |
新鲜度
版本和新鲜度
这些信号区分页生成时间、软件包管理器活动和上游发布比较。只有存在证据 URL 和可比较版本时，才会提示版本落后。
页面生成时间2026-07-08
管理器版本4.2.8p18
管理器更新时间
本地数据OK
上游not checked
检测到的最新版本未检测到
- 信息No package-manager update timestamp was available.低 置信度
- 信息Release/tag comparison is only available for GitHub repositories.https://www.ntp.orgnone 置信度
安装元数据
软件包元数据
| 软件包键 | brew:ntp |
|---|---|
| 版本 | 4.2.8p18 |
| 软件包管理器 | Homebrew |
| 软件包管理器页面 | https://formulae.brew.sh/formula/ntp |
| 主页 | https://www.ntp.org |
| 仓库 | https://bk.ntp.org/ntp-stable |
| 上游文档 | https://www.ntp.org/documentation |
| 许可证 | BSD-2-Clause AND NTP |
| 源码归档 | https://downloads.nwtime.org/ntp/4.2.8/ntp-4.2.8p18.tar.gz |
| 依赖 | openssl@3 |
| Bottle | 可用 (于 arm64_linux, arm64_monterey, arm64_sequoia, arm64_sonoma, arm64_tahoe, arm64_ventura, monterey, sonoma, ventura, x86_64_linux) |
| Homebrew post-install | 未定义 |
| 服务 | 未声明 |
注册表事实
源数据库详情
| Source Database | Homebrew formula API |
|---|---|
| Tap | homebrew/core |
| Full Name | ntp |
| Version Scheme | 0 |
| Revision | 0 |
| Bottle Stable Root URL | https://ghcr.io/v2/homebrew/core |
| Deprecated | no |
| Disabled | no |
| Keg Only | no |
| URL Keys |
|
源数据库匹配
其他软件包管理器记录
匹配项来自外部软件包管理器索引，并与本地 Automic Vault 软件包链接分开显示。
Nix95%
ntp
nix profile install nixpkgs#ntp- normalized package name match
- 匹配方式：Ntp
Ubuntu apt95%
ntp 1:4.2.8p15+dfsg-2~1.2.2+dfsg1-4build2
Network Time Protocol daemon/utilities (transitional package)
sudo apt install ntp- Section: universe/net
- Architecture: all
- Source Package: ntpsec
- 1 依赖
- normalized package name match
- 匹配方式：Ntp
pacman95%
ntp 4.2.8.p18-6
Network Time Protocol reference implementation
sudo pacman -S ntp- License: custom
- Architecture: x86_64
- 4 依赖
- normalized package name match
- 匹配方式：Ntp
zypper95%
ntp 4.2.8p18-2.2
Network Time Protocol daemon (version 4)
sudo zypper install ntp- License: BSD-3-Clause AND MIT AND BSD-4-Clause AND GPL-2.0-only
- Category: Productivity/Networking/Other
- Architecture: x86_64
- Source Package: ntp
- 19 依赖
- 6 提供
- normalized package name match
- 匹配方式：Ntp
zypper95%
ntp-dcf77-tools 4.2.8p18-2.2
DCF77 related tools
sudo zypper install ntp-dcf77-tools- License: BSD-3-Clause AND MIT AND BSD-4-Clause AND GPL-2.0-only
- Category: Hardware/Other
- Architecture: x86_64
- Source Package: ntp
- 1 依赖
- 1 提供
- normalized package name match
- 匹配方式：Ntp
zypper95%
ntp-doc 4.2.8p18-2.2
Additional Package Documentation for ntp
sudo zypper install ntp-doc- License: BSD-3-Clause AND MIT AND BSD-4-Clause AND GPL-2.0-only
- Category: Documentation/Other
- Architecture: x86_64
- Source Package: ntp
- 4 提供
- normalized package name match
- 匹配方式：Ntp
MacPorts95%
ntp
sudo port install ntp- normalized package name match
- 匹配方式：Ntp
Ubuntu apt92%
ntpdate 1:4.2.8p15+dfsg-2~1.2.2+dfsg1-4build2
Network Time Protocol client (transitional package)
sudo apt install ntpdate- Section: universe/net
- Architecture: all
- Source Package: ntpsec
- 1 依赖
- installed executable or alias match
- 匹配方式：Ntpdate
Ubuntu apt92%
sntp 1:4.2.8p15+dfsg-2~1.2.2+dfsg1-4build2
Network Time Protocol client (transitional package)
sudo apt install sntp- Section: universe/net
- Architecture: all
- Source Package: ntpsec
- 1 依赖
- installed executable or alias match
- 匹配方式：Sntp
来源线索
由仓库数据生成
此页面由 av-web 从 scripts/generate-pkg-sqlite.py 生成的私有软件包 SQLite 工件提供。
Combined YAML source
View the package source record on GitHub.
使用的来源
- Geiger risk classifier
- Nucleus package database
- av.db category and tag curation
- cross-ecosystem install command graph
- curated configuration and credential file locations
- curated package history
- external package-manager database matches
- package relationship graph
- package version freshness
- package-page enrichment