Chemmy's Blog

chengming0916@outlook.com

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默认配置

默认安装路径：%AppData%\Roaming\npm
全局缓存路径：%AppData%\Roaming\npm_cache

安装全局包命令: npm install -g <包名>

修改方法

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# 设置全局包安装路径
npm config set prefix "<目标路径>"

# 修改缓存包安装路径
npm config set cache "<目标路径>"

# 查看全局包安装路径
npm config get prefix 

# 查看缓存包安装路径
npm config get cache 

# 查看所有配置
npm config ls

添加环境变量

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NODE_PATH="<全局安装包路径>\node_modules\"

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npm镜像源地址

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# 官方源
https://registry.npmjs.org

# 淘宝npm镜像
https://registry.npmmirror.com

# 阿里云npm镜像
https://npm.aliyun.com

# 腾讯云npm镜像
https://mirrors.cloud.tencent.com/npm

# 华为云npm镜像
https://mirrors.huaweicloud.com/repository/npm

# 网易npm镜像
https:/mirrors.163.com/npm

修改镜像源

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# 修改镜像源
npm config set registry https://registry.npmmirror.org

# 查看镜像源
npm config get registry

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sudo vim /etc/sysctl.d/99-sysctl.conf：     #重启后生效
fs.inotify.max_user_watches = 600000
dev.i915.perf_stream_paranoid = 0
vm.swappiness = 1
net.ipv6.conf.all.accept_ra = 2
fs.file-max = 6553560
net.core.rmem_max = 67108864
net.core.wmem_max = 67108864
net.core.rmem_default = 65536
net.core.wmem_default = 65536
net.core.optmem_max = 10000000
net.core.netdev_max_backlog = 8096
net.core.somaxconn = 8096
net.ipv4.ip_default_ttl = 128
net.ipv4.tcp_timestamps = 1
net.ipv4.tcp_syncookies = 1
net.ipv4.icmp_echo_ignore_broadcasts = 1
net.ipv4.icmp_ignore_bogus_error_responses = 1
net.ipv4.conf.default.accept_source_route = 0
net.ipv4.tcp_slow_start_after_idle = 0
net.ipv4.route.gc_timeout = 100
net.ipv4.tcp_tw_reuse = 1
net.ipv4.tcp_tw_recycle = 1
net.ipv4.tcp_fin_timeout = 30
net.ipv4.tcp_keepalive_time = 1200
net.ipv4.tcp_keepalive_probes = 3
net.ipv4.tcp_keepalive_intvl = 15
net.ipv4.tcp_fin_timeout = 30
net.ipv4.tcp_syn_retries = 2
net.ipv4.tcp_synack_retries = 2
net.ipv4.tcp_window_scaling = 1
net.ipv4.tcp_ecn = 1
net.ipv4.tcp_sack = 1
net.ipv4.tcp_fack = 1
net.ipv4.tcp_low_latency = 0
net.ipv4.tcp_max_tw_buckets = 5000
net.ipv4.tcp_fastopen = 3
net.ipv4.tcp_frto = 2
net.ipv4.tcp_frto_response = 0
net.ipv4.tcp_rmem = 4096 87380 67108864
net.ipv4.tcp_wmem = 4096 65536 67108864
net.ipv4.tcp_mtu_probing = 1
net.ipv4.tcp_slow_start_after_idle = 0
net.ipv4.tcp_max_syn_backlog = 30000
net.ipv4.tcp_max_orphans = 262114
net.ipv4.netfilter.ip_conntrack_max = 204800
net.ipv4.conf.all.rp_filter = 1
net.ipv4.conf.default.rp_filter = 1
# for high-latency network Google BBR    #个人PC不建议开启BBR，对网速不会有提升，还会降低wifi吞吐量；还是等BBR2正式版出了再开启BBR2吧，BBR2对wifi就没有影响了
#net.ipv4.tcp_congestion_control = bbr
net.core.default_qdisc = fq_codel
net.ipv4.tcp_congestion_control = cubic
net.ipv6.conf.all.disable_ipv6 = 0
net.ipv6.conf.default.disable_ipv6 = 0
net.ipv6.conf.lo.disable_ipv6 = 0
net.ipv6.ip_default_ttl = 128
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sudo vim /etc/security/limits.conf：
* soft nofile 65536
* hard nofile 65536
* soft noproc 65536 
* hard noproc 65536
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