折腾：
【已解决】把Celery+Redis集成到在线Flask中且用supervisor去管理后台服务
期间，需要去CentOS服务器中，安装redis。
以供后面celery作为broker，实现Flask的中的异步延时任务。
centos 7 install redis
Install and Configure Redis on CentOS 7
How to Install and Secure Redis in Centos7 | DigitalOcean
直接去安装：
<code>(robotDemo-dwdcgdaG) [[email protected] robotDemo]# yum -y install redis Loaded plugins: fastestmirror base | 3.6 kB 00:00:00 epel | 4.7 kB 00:00:00 extras | 3.4 kB 00:00:00 mongodb-org | 2.5 kB 00:00:00 nux-dextop | 2.9 kB 00:00:00 updates | 3.4 kB 00:00:00 (1/9): base/7/x86_64/group_gz | 166 kB 00:00:00 (2/9): epel/x86_64/group_gz | 84 kB 00:00:00 (3/9): epel/x86_64/updateinfo | 924 kB 00:00:00 (4/9): extras/7/x86_64/primary_db | 104 kB 00:00:00 (5/9): updates/7/x86_64/primary_db | 1.0 MB 00:00:00 (6/9): epel/x86_64/primary_db | 6.4 MB 00:00:00 (7/9): mongodb-org/primary_db | 86 kB 00:00:00 (8/9): base/7/x86_64/primary_db | 5.9 MB 00:00:00 (9/9): nux-dextop/x86_64/primary_db | 1.7 MB 00:01:29 Determining fastest mirrors * nux-dextop: mirror.li.nux.ro Resolving Dependencies --> Running transaction check ---> Package redis.x86_64 0:3.2.10-2.el7 will be installed --> Processing Dependency: libjemalloc.so.1()(64bit) for package: redis-3.2.10-2.el7.x86_64 --> Running transaction check ---> Package jemalloc.x86_64 0:3.6.0-1.el7 will be installed --> Finished Dependency Resolution Dependencies Resolved ========================================================================================================================================================================================== Package Arch Version Repository Size ========================================================================================================================================================================================== Installing: redis x86_64 3.2.10-2.el7 epel 545 k Installing for dependencies: jemalloc x86_64 3.6.0-1.el7 epel 105 k Transaction Summary ========================================================================================================================================================================================== Install 1 Package (+1 Dependent package) Total download size: 650 k Installed size: 1.7 M Downloading packages: (1/2): jemalloc-3.6.0-1.el7.x86_64.rpm | 105 kB 00:00:00 (2/2): redis-3.2.10-2.el7.x86_64.rpm | 545 kB 00:00:00 ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Total 4.2 MB/s | 650 kB 00:00:00 Running transaction check Running transaction test Transaction test succeeded Running transaction Installing : jemalloc-3.6.0-1.el7.x86_64 1/2 Installing : redis-3.2.10-2.el7.x86_64 2/2 Verifying : redis-3.2.10-2.el7.x86_64 1/2 Verifying : jemalloc-3.6.0-1.el7.x86_64 2/2 Installed: redis.x86_64 0:3.2.10-2.el7 Dependency Installed: jemalloc.x86_64 0:3.6.0-1.el7 Complete! (robotDemo-dwdcgdaG) [[email protected] robotDemo]# redis- redis-benchmark redis-check-aof redis-check-rdb redis-cli redis-sentinel redis-server (robotDemo-dwdcgdaG) [[email protected] robotDemo]# redis-* bash: redis-*: command not found (robotDemo-dwdcgdaG) [[email protected] robotDemo]# redis-server --version Redis server v=3.2.10 sha=00000000:0 malloc=jemalloc-3.6.0 bits=64 build=c8b45a0ec7dc67c6 (robotDemo-dwdcgdaG) [[email protected] robotDemo]# redis-cli --version redis-cli 3.2.10 (robotDemo-dwdcgdaG) [[email protected] robotDemo]# which redis-server /usr/bin/redis-server (robotDemo-dwdcgdaG) [[email protected] robotDemo]# ll /usr/bin/redis-* -rwxr-xr-x 1 root root 86864 Aug 18 2017 /usr/bin/redis-benchmark -rwxr-xr-x 1 root root 15432 Aug 18 2017 /usr/bin/redis-check-aof lrwxrwxrwx 1 root root 12 May 14 15:59 /usr/bin/redis-check-rdb -> redis-server -rwxr-xr-x 1 root root 173376 Aug 18 2017 /usr/bin/redis-cli lrwxrwxrwx 1 root root 12 May 14 15:59 /usr/bin/redis-sentinel -> redis-server -rwxr-xr-x 1 root root 979464 Aug 18 2017 /usr/bin/redis-server (robotDemo-dwdcgdaG) [[email protected] robotDemo]# (robotDemo-dwdcgdaG) [[email protected] robotDemo]# ll /etc/redis* -rw-r----- 1 redis root 46729 Aug 18 2017 /etc/redis.conf -rw-r----- 1 redis root 7853 Aug 18 2017 /etc/redis-sentinel.conf </code>
然后再去试试
<code>(robotDemo-dwdcgdaG) [[email protected] robotDemo]# redis-server & [1] 10953 (robotDemo-dwdcgdaG) [[email protected] robotDemo]# 10953:C 14 May 16:04:12.349 # Warning: no config file specified, using the default config. In order to specify a config file use redis-server /path/to/redis.conf _._ _.-``__ ''-._ _.-`` `. `_. ''-._ Redis 3.2.10 (00000000/0) 64 bit .-`` .-```. ```\/ _.,_ ''-._ ( ' , .-` | `, ) Running in standalone mode |`-._`-...-` __...-.``-._|'` _.-'| Port: 6379 | `-._ `._ / _.-' | PID: 10953 `-._ `-._ `-./ _.-' _.-' |`-._`-._ `-.__.-' _.-'_.-'| | `-._`-._ _.-'_.-' | http://redis.io `-._ `-._`-.__.-'_.-' _.-' |`-._`-._ `-.__.-' _.-'_.-'| | `-._`-._ _.-'_.-' | `-._ `-._`-.__.-'_.-' _.-' `-._ `-.__.-' _.-' `-._ _.-' `-.__.-' 10953:M 14 May 16:04:12.351 # WARNING: The TCP backlog setting of 511 cannot be enforced because /proc/sys/net/core/somaxconn is set to the lower value of 128. 10953:M 14 May 16:04:12.351 # Server started, Redis version 3.2.10 10953:M 14 May 16:04:12.351 # WARNING 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. 10953:M 14 May 16:04:12.351 # WARNING you have Transparent Huge Pages (THP) support enabled in your kernel. This will create latency and memory usage issues with Redis. To fix this issue 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 the setting after a reboot. Redis must be restarted after THP is disabled. 10953:M 14 May 16:04:12.351 * The server is now ready to accept connections on port 6379 (robotDemo-dwdcgdaG) [[email protected] robotDemo]# redis-cli ping PONG (robotDemo-dwdcgdaG) [[email protected] robotDemo]# </code>
是没问题的。
再去看看进程：
<code>(robotDemo-dwdcgdaG) [[email protected] robotDemo]# ps -ef | grep redis root 10953 9832 0 16:04 pts/2 00:00:00 redis-server *:6379 root 10958 9832 0 16:05 pts/2 00:00:00 grep --color=auto redis (robotDemo-dwdcgdaG) [[email protected] robotDemo]# netstat -lanp | grep redis tcp 0 0 0.0.0.0:6379 0.0.0.0:* LISTEN 10953/redis-server tcp6 0 0 :::6379 :::* LISTEN 10953/redis-server </code>
再去设置开机启动
此处决定：不用通过systemctl去设置redis
因为后续可以用supervisor去启动redis。
转载请注明：在路上 » 【已解决】CentOS中安装和运行redis