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Mac下安装apt-get
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Mac安装apt-get
第一句没加sudo会有执行失败的地方
ABR:~ abREN$ /opt/local/bin/port selfupdate
ABR:~ abREN$ sudo /opt/local/bin/port selfupdate
ABR:~ abREN$ sudo /opt/local/bin/port install dpkg
ABR:~ abREN$ sudo /opt/local/bin/port install apt
另外可参考这个建议:
Try to find the executable. The symlink may have been lost
ABR:~ abREN$ locate apt-get
or
ABR:~ abREN$ find /-name apt-getYou can then restore the symlink if it's found with
ABR:~ abREN$ ln -s /path/to/apt-get /usr/bin/apt-get
2015-11-19 13:32 @Brussels, Belgium
-------------------
参考地址:
http://serverfault.com/questions/299488/bash-apt-get-command-not-found
安装花絮:
ABR:~ abREN$ /opt/local/bin/port selfupdate
---> Updating MacPorts base sources using rsync
Error: Error synchronizing MacPorts sources: command execution failed
Please run `port -v selfupdate' for details.
Error: /opt/local/bin/port: port selfupdate failed: Error synchronizing MacPorts sources: command execution failed
ABR:~ abREN$ sudo /opt/local/bin/port selfupdate
---> Updating MacPorts base sources using rsync
MacPorts base version 2.3.4 installed,
MacPorts base version 2.3.4 downloaded.
---> Updating the ports tree
---> MacPorts base is already the latest version
The ports tree has been updated. To upgrade your installed ports, you should run
port upgrade outdated
ABR:~ abREN$ sudo /opt/local/bin/port install dpkg
---> Computing dependencies for dpkg
---> Dependencies to be installed: coreutils gnutar perl5 perl5.16 gdbm
---> Fetching archive for coreutils
---> Attempting to fetch coreutils-8.24_0.darwin_13.x86_64.tbz2 from http://mse.uk.packages.macports.org/sites/packages.macports.org/coreutils
---> Attempting to fetch coreutils-8.24_0.darwin_13.x86_64.tbz2.rmd160 from http://mse.uk.packages.macports.org/sites/packages.macports.org/coreutils
---> Installing coreutils @8.24_0
---> Activating coreutils @8.24_0
The tools provided by GNU coreutils are prefixed with the character 'g' by
default to distinguish them from the BSD commands.
For example, cp becomes gcp and ls becomes gls.
If you want to use the GNU tools by default, add this directory to the front of
your PATH environment variable:
/opt/local/libexec/gnubin/
---> Cleaning coreutils
---> Fetching archive for gnutar
---> Attempting to fetch gnutar-1.28_0.darwin_13.x86_64.tbz2 from http://mse.uk.packages.macports.org/sites/packages.macports.org/gnutar
---> Attempting to fetch gnutar-1.28_0.darwin_13.x86_64.tbz2.rmd160 from http://mse.uk.packages.macports.org/sites/packages.macports.org/gnutar
---> Installing gnutar @1.28_0
---> Activating gnutar @1.28_0
---> Cleaning gnutar
---> Fetching archive for gdbm
---> Attempting to fetch gdbm-1.11_1.darwin_13.x86_64.tbz2 from http://mse.uk.packages.macports.org/sites/packages.macports.org/gdbm
---> Attempting to fetch gdbm-1.11_1.darwin_13.x86_64.tbz2.rmd160 from http://mse.uk.packages.macports.org/sites/packages.macports.org/gdbm
---> Installing gdbm @1.11_1
---> Activating gdbm @1.11_1
---> Cleaning gdbm
---> Fetching archive for perl5.16
---> Attempting to fetch perl5.16-5.16.3_1.darwin_13.x86_64.tbz2 from http://mse.uk.packages.macports.org/sites/packages.macports.org/perl5.16
---> Attempting to fetch perl5.16-5.16.3_1.darwin_13.x86_64.tbz2.rmd160 from http://mse.uk.packages.macports.org/sites/packages.macports.org/perl5.16
---> Installing perl5.16 @5.16.3_1
---> Activating perl5.16 @5.16.3_1
---> Cleaning perl5.16
---> Fetching archive for perl5
---> Attempting to fetch perl5-5.16.3_0+perl5_16.darwin_13.noarch.tbz2 from http://mse.uk.packages.macports.org/sites/packages.macports.org/perl5
---> Attempting to fetch perl5-5.16.3_0+perl5_16.darwin_13.noarch.tbz2.rmd160 from http://mse.uk.packages.macports.org/sites/packages.macports.org/perl5
---> Installing perl5 @5.16.3_0+perl5_16
---> Activating perl5 @5.16.3_0+perl5_16
---> Cleaning perl5
---> Fetching archive for dpkg
---> Attempting to fetch dpkg-1.14.29_4.darwin_13.x86_64.tbz2 from http://mse.uk.packages.macports.org/sites/packages.macports.org/dpkg
---> Attempting to fetch dpkg-1.14.29_4.darwin_13.x86_64.tbz2.rmd160 from http://mse.uk.packages.macports.org/sites/packages.macports.org/dpkg
---> Installing dpkg @1.14.29_4
---> Activating dpkg @1.14.29_4
---> Cleaning dpkg
---> Updating database of binaries
---> Scanning binaries for linking errors
---> Found 1 broken file(s), matching files to ports
---> Found 1 broken port(s), determining rebuild order
---> Rebuilding in order
dpkg @1.14.29
---> Computing dependencies for dpkg
---> Cleaning dpkg
---> Scanning binaries for linking errors
---> Found 1 broken file(s), matching files to ports
---> Found 1 broken port(s), determining rebuild order
---> Rebuilding in order
dpkg @1.14.29
---> Computing dependencies for dpkg
---> Fetching distfiles for dpkg
---> Attempting to fetch dpkg_1.14.29.tar.gz from http://ftp.uk.debian.org/debian/pool/main/d/dpkg/
---> Attempting to fetch dpkg_1.14.29.tar.gz from http://mse.uk.distfiles.macports.org/sites/distfiles.macports.org/dpkg
---> Verifying checksums for dpkg
---> Extracting dpkg
---> Applying patches to dpkg
---> Configuring dpkg
---> Building dpkg
---> Staging dpkg into destroot
---> Deactivating dpkg @1.14.29_4
---> Cleaning dpkg
---> Uninstalling dpkg @1.14.29_4
---> Cleaning dpkg
---> Computing dependencies for dpkg
---> Installing dpkg @1.14.29_4
---> Activating dpkg @1.14.29_4
---> Cleaning dpkg
---> Updating database of binaries
---> Scanning binaries for linking errors
---> No broken files found.
ABR:~ abREN$ sudo /opt/local/bin/port install apt
---> Computing dependencies for apt
---> Dependencies to be installed: llvm-gcc42
---> Fetching archive for llvm-gcc42
---> Attempting to fetch llvm-gcc42-2336.11_3.darwin_13.x86_64.tbz2 from http://mse.uk.packages.macports.org/sites/packages.macports.org/llvm-gcc42
---> Attempting to fetch llvm-gcc42-2336.11_3.darwin_13.x86_64.tbz2 from http://lil.fr.packages.macports.org/llvm-gcc42
---> Attempting to fetch llvm-gcc42-2336.11_3.darwin_13.x86_64.tbz2 from http://nue.de.packages.macports.org/macports/packages/llvm-gcc42
---> Fetching distfiles for llvm-gcc42
---> Attempting to fetch llvmgcc42-2336.11.tar.gz from http://mse.uk.distfiles.macports.org/sites/distfiles.macports.org/llvm-gcc42
---> Verifying checksums for llvm-gcc42
---> Extracting llvm-gcc42
---> Applying patches to llvm-gcc42
---> Configuring llvm-gcc42
---> Building llvm-gcc42
---> Staging llvm-gcc42 into destroot
---> Installing llvm-gcc42 @2336.11_3
---> Activating llvm-gcc42 @2336.11_3
---> Cleaning llvm-gcc42
---> Fetching archive for apt
---> Attempting to fetch apt-0.5.27_8.darwin_13.x86_64.tbz2 from http://mse.uk.packages.macports.org/sites/packages.macports.org/apt
---> Attempting to fetch apt-0.5.27_8.darwin_13.x86_64.tbz2 from http://lil.fr.packages.macports.org/apt
---> Attempting to fetch apt-0.5.27_8.darwin_13.x86_64.tbz2 from http://nue.de.packages.macports.org/macports/packages/apt
---> Fetching distfiles for apt
---> Attempting to fetch apt_0.5.27.tar.gz from http://www.mirrorservice.org/sites/master.us.finkmirrors.net/distfiles/
---> Attempting to fetch apt_0.5.27.tar.gz from http://mse.uk.distfiles.macports.org/sites/distfiles.macports.org/apt
---> Verifying checksums for apt
---> Extracting apt
---> Applying patches to apt
---> Configuring apt
---> Building apt
---> Staging apt into destroot
---> Installing apt @0.5.27_8
---> Activating apt @0.5.27_8
---> Cleaning apt
---> Updating database of binaries
---> Scanning binaries for linking errors
---> No broken files found.
ABR:~ abREN$
https://blog.sciencenet.cn/blog-287062-936708.html
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"...the dreams of a visionary mind to be closer to reality than the common sense judgment of the realists." 锛� Car-Gustaf Arvid Rossby
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[2] Kaifeng Bi, Lingxi Xie, Hengheng Zhang, Xin Chen, Xiaotao Gu & Qi Tian. Accurate medium-range global weather forecasting with 3D neural networks [J]. Nature, 2023-07-05
doi: 10.1038/s41586-023-06185-3
https://www.nature.com/articles/s41586-023-06185-3
[3] Kaifeng Bi, Lingxi Xie, Hengheng Zhang, Xin Chen, Xiaotao Gu, Qi Tian. Pangu-Weather: A 3D High-Resolution Model for Fast and Accurate Global Weather Forecast. 2022-11-03
doi: 10.48550/arXiv.2211.02556
https://arxiv.org/abs/2211.02556
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- Home
Verification of the high-resolution (HRES) forecast of surface parameters
Overview
https://charts.ecmwf.int/products/plwww_m_hr_wp_ts/overview/parameter?parameter=2m%20temperature
https://charts.ecmwf.int/products/plwww_m_hr_wp_ts?parameter=10m%20wind%20speed&player_dimension=parameter
10m wind speed
Home
Charts catalogue
https://charts.ecmwf.int/?facets=%7B%22Range%22%3A%5B%5D%2C%22Type%22%3A%5B%22Verification%22%5D%7D
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- Verification of the high-resolution forecast of surface parameters
Verification of high-resolution forecasts
https://apps.ecmwf.int/webapps/opencharts/products/plwww_m_hr_wp_ts?parameter=10m%20wind%20direction
10 m wind direction
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- Verification of the high-resolution forecast of surface parameters
Verification of the high-resolution forecast of surface parameters
Verification of high-resolution forecasts
Verification of the high-resolution forecast of surface parameters against SYNOP observations.
© European Centre for Medium-Range Weather Forecasts
https://apps.ecmwf.int/webapps/opencharts/products/plwww_m_hr_wp_ts?parameter=10m%20wind%20speed
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- Next, both models differ in availability. GFS runs 4 times a day, ECMWF runs twice a day. This means GFS has the opportunity to recover from bad forecasts (say, due to bad input data) by producing more per day. ECMWF generally outperforms GFS, but if one of the forecast runs was bad, you've got to wait longer for new data. The reason for the difference in availability is due to the time it takes to compute the model. Nonhydrostatic models are more computationally expensive, which is why ECMWF is the only global nonhydrostatic model used for operation meteorology.
GFS is free, ECMWF is not. You can get the latest GFS runs for free from NCEP (http://www.ncep.noaa.gov/). You can even download the model and run it on your home super computer if you are so inclined (http://www.nco.ncep.noaa.gov/pmb...). To get ECMWF data, you typically need to be affiliated with some organization that pays for it.
Both models produce different products. You will probably be able to get the typic...
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- What is the difference between the ECMWF, GFS, and other weather forecasting models?
https://www.quora.com/What-is-the-difference-between-the-ECMWF-GFS-and-other-weather-forecasting-models
here's a lot of differences between numerical models, so I'll just (briefly) mention the differences between GFS and ECMWF.
First both are global models, meaning they produce a forecast for the entire world. There are also regional models like MM5, NAM, and WRF that produce forecasts specific to a region at a high resolution (I'll talk about resolution later). Regional models tend to seed their forecasts from global models; GFS provides context for MM5. I'm not sure what regional models use ECMWF, but I'm sure there are quite a few.
GFS and ECMWF use different equations for predicting atmospheric conditions. GFS is a hydrostatic model and ECMWF is nonhydrostatic. Hydrostatic models use pressure as vertical coordinates in the forecast (e.g. make forecasts at specific isobars) and ess...
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