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童琦杰
  1. Ubuntu下Gitlab安装、备份、恢复及相关问题 安装 sudo dpkg -i gitlab-ce_9.2.5-ce.0_amd64.deb sudo gitlab-ctl reconfigure 备份 sudo gitlab-rake gitlab:backup:create 默认备份文件位置: /var/opt/gitlab/backups 备份配置文件及密匙: /etc/gitlab/gitlab.rb、/etc/gitlab/gitlab-secrets.json 恢复 sudo cp gitlab.rb /etc/gitlab/gitlab.rb sudo cp gitla
  2. Git简单命令说明 config git config --local user.name "tongqijie" git config --local user.email "tongqijie@hotmail.com" git config credential.helper store git config core.ignorecase false: 设置文件名大小写敏感 git config --local --unset user.password git config --local advice.detachedHead false git config --local htt
  3. RS256(RSA with SHA-256)私钥和公钥生成方法 RS256私钥生成 openssl genrsa -out rs256_private_key.pem 2048 生成的私钥示例 //codefile:rs256_private_key.pem -----BEGIN RSA PRIVATE KEY----- MIIEpAIBAAKCAQEAnAUSXxqv7dsrb42IdwR8yJ+sYi0YCduTXbcNOurVLu9gOOQq 56ArwIwDKF7Tscd0oANRuYaNnPPJrM9D4drHITmK/V6zEerSs6UvJYJ4W+avaWnU DIV+jd
  4. ES256(ECDSA with SHA-256)私钥和公钥生成方法 标准格式ES256私钥生成 openssl ecparam -genkey -name prime256v1 -noout -out es256_private_key.pem 生成的标准格式es256私钥示例 //codefile:es256_private_key.pem -----BEGIN EC PRIVATE KEY----- MHcCAQEEIAhaV62YXNexj9/GY9EUcz25G69/afOiF2Vh0CxYlKRvoAoGCCqGSM49 AwEHoUQDQgAEuXR/yRJaNAAMGC0ga
  5. Elasticsearch API 创建索引 curl --request PUT 'http://localhost:9200/logging' 创建成功响应 {"acknowledged":true,"shards_acknowledged":true,"index":"logging"} 删除索引 curl --request DELETE 'http://localhost:9200/logging' 删除成功响应 {"acknowledged":true} 设置字段动态映射 curl --request PUT 'http://localhost:9200/logging/_
  6. Linux - 一些命令 link 创建symlink ln -s path-of-source-file path-of-destination-folder process 显示所有进程信息 ps -ef top Shift+M: 内存占用从大到小排列 杀死进程(等同于Ctrl+C) kill -s 2 process-id 根据进程名获取PID ps -ef | grep name | grep -v grep | awk '{print $2}' systemd 重新加载systemd配置 systemctl daemon-reload 查看systemctl日志 jo
  7. RabbitMQ - Ubuntu安装、使用 安装RabbitMQ echo 'deb http://www.rabbitmq.com/debian/ stable main' | sudo tee /etc/apt/sources.list.d/rabbitmq.list wget -O- https://www.rabbitmq.com/rabbitmq-release-signing-key.asc | sudo apt-key add - sudo apt-get update sudo apt-get install rabbitmq-server 日志目录: /var/lo
  8. Swift - 文件相关操作 系统目录 缓存目录、下载目录、文档目录 public static var cachesDirectory: URL? { get { return FileManager.default.urls(for: .cachesDirectory, in: .userDomainMask).first } } public static var downloadsDirectory: URL? { get { return FileManager.default.urls(for: .downloadsDire
  9. Swift - 类初始化指南 Designated Initializers和Convenience Initializers Rule 1 A designated initializer must call a designated initializer from its immediate superclass. Rule 2 A convenience initializer must call another initializer from the same class. Rule 3 A convenience initializer must ultimately call
  10. Swift - 字符串扩展 字符串查询 输出参数为Int类型,而非String.Index类型,更易理解 public extension String { func indexOf(value: Character) -> Int? { if let index = self.firstIndex(of: value) { return self.distance(from: self.startIndex, to: index) } else { return nil } }
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