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redis-cluster安装需要通过gem install redis来安装相关依赖。否则报错。
通过gem install redis会报如下错误1:
- ERROR: Loading command: install (LoadError)
- cannot load such file -- zlib
- ERROR: While executing gem ... (NoMethodError)
- undefined method `invoke_with_build_args' for nil:NilClass
这是缺少zlib依赖,需要安装zlib库
还有一个错误2就是
- ERROR: While executing gem ... (Gem::Exception)
- Unable to require openssl, install OpenSSL and rebuild ruby (preferred) or use non-HTTPS sources
提示缺少openssl库,这两个库可以通过yum安装,但是安装了需要集成到ruby中。
先解决错误一,解决办法分为两步:
一、安装zlib库,如果已经安装,跳过,直接进入第二步。
yum install zlib-devel
二、集成zlib库到ruby环境cd /data/ruby-2.4.2 cd ext/zlib ruby extconf.rb //在操作下一步之前需要修改Makefile文件中的zlib.o: $(top_srcdir)/include/ruby.h,将$(top_srcdir)修改为../..如下 //zlib.o: ../../include/ruby.h //这一步如果不修改,make时会爆出另外一个错误 //make:*** No rule to make target `/include/ruby.h', needed by `zlib.o'. Stop make && make install
另一个缺少openssl库的错误,可以用同样的问题解决。
一、安装openssl库,如果已经安装可以跳过,直接进入第二步。
yum install openssl-devel
不要只用yum install openssl来安装,否则会缺少pcre等相关库,执行ruby extconf.rb会提示找不到ssl.h文件。
- checking for t_open() in -lnsl... no
- checking for socket() in -lsocket... no
- checking for openssl/ssl.h... no
第二步、集成openssl库到rubycd /data/ruby-2.4.2
cd ext/openssl
ruby extconf.rb
//同样修改Makefile中的$(top_srcdir)为../..
make && make install
- [root@node01 openssl]# make && make install
- compiling openssl_missing.c
- compiling ossl.c
- compiling ossl_asn1.c
- compiling ossl_bio.c
- compiling ossl_bn.c
- compiling ossl_cipher.c
- compiling ossl_config.c
- compiling ossl_digest.c
- compiling ossl_engine.c
- compiling ossl_hmac.c
- compiling ossl_ns_spki.c
- compiling ossl_ocsp.c
- compiling ossl_pkcs12.c
- compiling ossl_pkcs5.c
- compiling ossl_pkcs7.c
- compiling ossl_pkey.c
- compiling ossl_pkey_dh.c
- compiling ossl_pkey_dsa.c
- compiling ossl_pkey_ec.c
- compiling ossl_pkey_rsa.c
- compiling ossl_rand.c
- compiling ossl_ssl.c
- compiling ossl_ssl_session.c
- compiling ossl_x509.c
- compiling ossl_x509attr.c
- compiling ossl_x509cert.c
- compiling ossl_x509crl.c
- compiling ossl_x509ext.c
- compiling ossl_x509name.c
- compiling ossl_x509req.c
- compiling ossl_x509revoked.c
- compiling ossl_x509store.c
- linking shared-object openssl.so
- /usr/bin/install -c -m 0755 openssl.so /usr/local/lib/ruby/site_ruby/2.4.0/x86_64-linux
- installing default openssl libraries
成功之后,再次运行gem install redis,出现以下界面:
- Fetching: redis-4.0.1.gem (100%)
- Successfully installed redis-4.0.1
- Parsing documentation for redis-4.0.1
- Installing ri documentation for redis-4.0.1
- Done installing documentation for redisafter 1 seconds
- 1 gem installed
gem install redis安装成功。