Redis备份工具Redis-dump _备份

生也有涯，知也无涯。这篇文章主要讲述Redis备份工具Redis-dump相关的知识，希望能为你提供帮助。
Redis-dump 文档和地址:
??https://github.com/delano/redis-dump/??
??https://rubygems.org/gems/redis-dump??
安装ruby依赖:

yum install -y gcc-c++ patch readline readline-devel zlib zlib-devel \\
libyaml-devel libffi-devel openssl-devel make \\
bzip2 autoconf automake libtool bison iconv-devel sqlite-devel

安装系统ruby:

yum install ruby -y

替换ruby源:

gem sources --remove https://rubygems.org/
gem sources -a https://mirrors.aliyun.com/rubygems/
gem source -l

安装rvm：

yum installcurl -y
curl -Lget.rvm.io | bash -s stable

报错:
[root@harbor ~]# curl -sSL https://get.rvm.io | bash -s stable
curl: (7) Failed connect to raw.githubusercontent.com:443; Connection refused
解决办法:
打开网站??https://www.ipaddress.com/??,查询一下raw.githubusercontent.com对应的IP 地址。
?
/etc/hosts文件新增:?

185.199.108.133 raw.githubusercontent.com

/etc/resolv.conf文件新增:

nameserver 8.8.8.8

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输出内容复制下面内容运行:

command curl -sSL https://rvm.io/mpapis.asc | gpg2 --import -
command curl -sSL https://rvm.io/pkuczynski.asc | gpg2 --import -

再次运行:

curl -Lget.rvm.io | bash -s stable

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更新配置文件:

source /etc/profile.d/rvm.sh

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安装ruby2.3.3版本:安装中替换老的ruby.
rvm install 2.3.3 (2.3.3以上版本都可以)

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查看可以安装的Ruby版本:

rvm list known

安装备份工具redis-dump:

gem install redis-dump -V

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测试redis-dump备份:第一种写法:

[root@harbor ~]# redis-dump -u:redhat@127.0.0.1:6379 > /backup/db_full.json
[root@harbor ~]# cat /backup/db_full.json
{"db":0,"key":"name","ttl":-1,"type":"string","value":"mew","size":3}

第二种写法:

[root@harbor ~]# redis-dump -p 6379 -a redhat > /backup/db2.json
[root@harbor ~]# cat /backup/db2.json
{"db":0,"key":"name","ttl":-1,"type":"string","value":"mew","size":3}

【Redis备份工具Redis-dump】