自从XcodeGhost之后下载软件之后也会先验证一下md5sum,现在发现后面还有gpg签名,于是也开始学习一下. gpg的文件在centos6.4上是默认安装的,其安装使用可以参照ruanyifeng的文章. 这里主要讲一下怎么对下载的文件进行验证. 首先当然是下载安装文件,这次下载的使用wso2的data service server 3.2.1,下载地址. 然后是打开gpg文件,如下图1所示,将这个文件也下载下来 在term下面执行gpg --verify wso2dss-3.2.1.z…

GPG error: The following signatures couldn't be verified because the public key is not available I have had it happen on several occasions where I try to update software and I get a GPG error like this: $ sudo apt-get update W: GPG error: http://inve…

今天在更新运行apt-get update的时候出现了如下的错误: W: GPG error: http://extras.ubuntu.com trusty Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY F60F4B3D7FA2AF80 解决方法: sudo apt-key adv --keyserver keyserver.ub…

报错信息: W: GPG error: http://ppa.launchpad.net trusty InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 8CF63AD3F06FC659 解决: sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 8CF63AD…

1.配置文档中有多处明确写出了nginx的配置文件路径,该路径是测试环境中的路径,线上系统的nginx配置文件与文档中所写的路径可能不一样,在进行相关配置时,应以线上配置文件的实际路径为准. 线上系统nginx的安装目录在:/usr/local/nginx,默认配置文件在/usr/local/nginx/conf/nginx.conf,此外也引用了/usr/local/nginx/conf/conf.d目录下的配置文件. 2.本文档仅包括了用于提升安全的配置方法. 3.在遵从本文档的方法进行配置…

原文:https://www.cnblogs.com/heaven-xi/p/9961357.html#top 1.配置文档中有多处明确写出了nginx的配置文件路径,该路径是测试环境中的路径,线上系统的nginx配置文件与文档中所写的路径可能不一样,在进行相关配置时,应以线上配置文件的实际路径为准. 线上系统nginx的安装目录在:/usr/local/nginx,默认配置文件在/usr/local/nginx/conf/nginx.conf,此外也引用了/usr/local/nginx/co…

How to compile and install Linux Kernel 5.1.2 from source code Compiling a custom kernel has its advantages and disadvantages. However, new Linux user/admin find it difficult to compile Linux kernel. Compiling kernel needs to understand few things an…

来源 https://www.cnblogs.com/dadonggg/p/8662455.html https://blog.csdn.net/chenxinchongcn/article/details/78666374 安装过程 安装ruby 安装redis-dump之前首先需要安装ruby $ yum install ruby rubygems ruby-devel -y 报错 安装完成后,安装redis-dump说ruby版本过低,一查才知道原来Redis需要ruby的版本过低,升级版…

redis文档:http://doc.redisfans.com/ 参考:https://www.cnblogs.com/wuxl360/p/5920330.html http://www.cnblogs.com/carryping/p/7447823.html https://www.jianshu.com/p/2639549bedc8 1. 下载并解压 cd /root/software wget http://download.redis.io/releases/redis-3.2.3.t…

OpenSSL Command-Line HOWTO The openssl application that ships with the OpenSSL libraries can perform a wide range of crypto operations. This HOWTO provides some cookbook-style recipes for using it. Paul Heinlein | November 10, 2015 https://www.madboa…