本篇内容主要讲解“centos7.8怎么安装redis5.0.10”,感兴趣的朋友不妨来看看。本文介绍的方法操作简单快捷,实用性强。下面就让小编来带大家学习“centos7.8怎么安装redis5.0.10”吧!
centos7.8服务器一台
# hostnamectl set-hostname redishost
# cd /opt
# wget https://download.redis.io/releases/redis-5.0.10.tar.gz
# cd /opt
# tar -zxf redis-5.0.10.tar.gz
# cd /opt
# cd redis-5.0.10
## 安装gcc编译器
# yum install gcc
# make MALLOC=libc
# # make install
cd src && make install
make[1]: Entering directory `/opt/redis-5.0.10/src'
Hint: It's a good idea to run 'make test' ;)
INSTALL install
INSTALL install
INSTALL install
INSTALL install
INSTALL install
make[1]: Leaving directory `/opt/redis-5.0.10/src
## 修改sysctl.conf
# (
cat <<EOF
net.core.somaxconn=1024
vm.overcommit_memory=1
EOF
) >> /etc/sysctl.conf
以上操作是解决redis-server默认启动提示的前两个警告的持久方案,附redis-server默认启动的两个警告信息如下:
The TCP backlog setting of 511 cannot be enforced because /proc/sys/net/core/somaxconn is set to the lower value of 128.
overcommit_memory is set to 0! Background save may fail under low memory condition. To fix this issue add ‘vm.overcommit_memory = 1’ to/etc/sysctl.conf and then reboot or run the command ‘sysctl vm.overcommit_memory=1’ for this to take effect.
## 修改/etc/default/grub
## 在指定行加 transparent_hugepage=never
# vi /etc/default/grub
GRUB_TIMEOUT=5
GRUB_DISTRIBUTOR="$(sed 's, release .*$,,g' /etc/system-release)"
GRUB_DEFAULT=saved
GRUB_DISABLE_SUBMENU=true
GRUB_TERMINAL_OUTPUT="console"
GRUB_CMDLINE_LINUX="crashkernel=auto rd.lvm.lv=centos/root rd.lvm.lv=centos/swap rhgb quiet transparent_hugepage=never"
GRUB_DISABLE_RECOVERY="true"
## 重新生成grub配置文件
# grub2-mkconfig -o /boot/grub2/grub.cfg
Generating grub configuration file ...
Found linux image: /boot/vmlinuz-3.10.0-1127.el7.x86_64
Found initrd image: /boot/initramfs-3.10.0-1127.el7.x86_64.img
Found linux image: /boot/vmlinuz-0-rescue-385c7efe9475460c95c436866e593af3
Found initrd image: /boot/initramfs-0-rescue-385c7efe9475460c95c436866e593af3.img
done
以上操作是解决redis-server默认启动提示的第三个警告的持久方案,附redis-server默认启动的第三个警告信息如下:
you have Transparent Huge Pages (THP) support enabled in your kernel. This will create latency and memory usage issues with Redis. To fix thisissue run the command ‘echo never > /sys/kernel/mm/transparent_hugepage/enabled’ as root, and add it to your /etc/rc.local in order to retain thesetting after a reboot. Redis must be restarted after THP is disabled.
根据提示将’echo never > /sys/kernel/mm/transparent_hugepage/enabled’ 写入/etc/rc.local 其实并没有用,换成修改grub启动文件可以生效。
# cd /opt/redis-5.0.10
# mkdir /etc/redis
# cp redis.conf /etc/redis/redis.conf
在/etc/redis/redis.conf中修改以下3项
以后台进程方式启动
修改daemonize no 为daemonize yes
设置redis远程连接
注释掉bind 127.0.0.1
设置redis连接密码
在requirepass foobard改为requirepass redis1234
/usr/lib/systemd/system/redis.service
[Unit]
Description=Redis 6379
After=syslog.target network.target
[Service]
Type=forking
PrivateTmp=yes
Restart=always
ExecStart=/usr/local/bin/redis-server /etc/redis/redis.conf
User=root
Group=root
LimitCORE=infinity
LimitNOFILE=100000
LimitNPROC=100000
[Install]
WantedBy=multi-user.target
systemctl daemon-reload
systemctl enable redis
systemctl enable redis
systemctl start redis
systemctl restart redis
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到此,相信大家对“centos7.8怎么安装redis5.0.10”有了更深的了解,不妨来实际操作一番吧!这里是亿速云网站,更多相关内容可以进入相关频道进行查询,关注我们,继续学习!
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