编译安装redis

#安装依赖包
[root@centos7 ~]#yum -y install gcc jemalloc-devel

#下载源码
[root@centos7 ~]#wget http://download.redis.io/releases/redis-5.0.7.tar.gz
[root@centos7 ~]#tar xvf redis-5.0.7.tar.gz

#编译安装
[root@centos7 ~]#cd redis-5.0.7/
[root@centos7 redis-5.0.7]#make PREFIX=/apps/redis install #指定redis安装目录

#配置变量
[root@centos7 ~]#echo 'PATH=/apps/redis/bin:$PATH' > /etc/profile.d/redis.sh
[root@centos7 ~]#. /etc/profile.d/redis.sh

#目录结构
[root@centos7 ~]#tree /apps/redis/
/apps/redis/
└── bin
   ├── redis-benchmark
   ├── redis-check-aof
   ├── redis-check-rdb
   ├── redis-cli
   ├── redis-sentinel -> redis-server
   └── redis-server
1 directory, 6 files

#准备相关目录和配置文件
[root@centos7 ~]#mkdir /apps/redis/{etc,log,data,run} #创建配置文件、日志、数据等目录
[root@centos7 redis-5.0.7]#cp redis.conf /apps/redis/etc/

#启动redis服务
[root@centos7 ~]#redis-server /apps/redis/etc/redis.conf 
27569:C 16 Feb 2020 21:18:20.412 # oO0OoO0OoO0Oo Redis is starting oO0OoO0OoO0Oo
27569:C 16 Feb 2020 21:18:20.412 # Redis version=5.0.7, bits=64, 
commit=00000000, modified=0, pid=27569, just started
27569:C 16 Feb 2020 21:18:20.412 # Configuration loaded
27569:M 16 Feb 2020 21:18:20.413 * Increased maximum number of open files to 
10032 (it was originally set to 1024).

#创建 redis 用户和数据目录
[root@centos7 ~]#useradd -r -s /sbin/nologin redis
#设置目录权限
[root@centos7 ~]#chown -R redis.redis /apps/redis/  

#编辑 redis 服务启动文件
#复制CentOS8安装生成的redis.service文件，进行修改
[root@centos7 ~]#scp 10.0.0.8:/lib/systemd/system/redis.service 
/lib/systemd/system/
[root@centos7 ~]#vim /usr/lib/systemd/system/redis.service
[root@centos7 ~]#cat /usr/lib/systemd/system/redis.service
[Unit]
Description=Redis persistent key-value database
After=network.target
[Service]
ExecStart=/apps/redis/bin/redis-server /apps/redis/etc/redis.conf --supervised
systemd
ExecStop=/bin/kill -s QUIT $MAINPID
Type=notify
User=redis
Group=redis
RuntimeDirectory=redis
RuntimeDirectoryMode=0755
[Install]
WantedBy=multi-user.target

#验证 redis 启动
[root@centos7 ~]#systemctl daemon-reload 
[root@centos7 ~]#systemctl start redis
[root@centos7 ~]#systemctl status redis
● redis.service - Redis persistent key-value database
   Loaded: loaded (/usr/lib/systemd/system/redis.service; enabled; vendor 
preset: disabled)
   Active: active (running) since Sun 2020-02-16 23:08:08 CST; 2s ago
 Process: 1667 ExecStop=/bin/kill -s QUIT $MAINPID (code=exited, 
status=0/SUCCESS)
 Main PID: 1669 (redis-server)
   CGroup: /system.slice/redis.service
           └─1669 /apps/redis/bin/redis-server 127.0.0.1:6379
[root@centos7 ~]#ss -ntl
State     Recv-Q Send-Q     Local Address:Port               Peer Address:Port 
        
LISTEN     0      100             127.0.0.1:25                           *:*   
          
LISTEN     0      511             127.0.0.1:6379                         *:*   
          
LISTEN     0      128                     *:22                           *:*   
          
LISTEN     0      100                 [::1]:25                         [::]:*   
          
LISTEN     0      128                 [::]:22                         [::]:*

#使用客户端连接 redis
[root@centos7 ~]#redis-cli 
127.0.0.1:6379> ping
PONG
127.0.0.1:6379> info
# Server
redis_version:5.0.7
redis_git_sha1:00000000
redis_git_dirty:0
redis_build_id:673d8c0ee1a8872
redis_mode:standalone
os:Linux 3.10.0-1062.el7.x86_64 x86_64
arch_bits:64
multiplexing_api:epoll
atomicvar_api:atomic-builtin
gcc_version:4.8.5
process_id:1669
run_id:5e0420e92e35ad1d740e9431bc655bfd0044a5d1
tcp_port:6379
uptime_in_seconds:140
uptime_in_days:0
hz:10
configured_hz:10
lru_clock:4807524
executable:/apps/redis/bin/redis-server
config_file:/apps/redis/etc/redis.conf
# Clients
connected_clients:1
client_recent_max_input_buffer:2
client_recent_max_output_buffer:0
blocked_clients:0
# Memory
used_memory:575792
used_memory_human:562.30K
used_memory_rss:3506176
used_memory_rss_human:3.34M
used_memory_peak:575792
used_memory_peak_human:562.30K
used_memory_peak_perc:100.18%
used_memory_overhead:562590
used_memory_startup:512896
used_memory_dataset:13202
used_memory_dataset_perc:20.99%
allocator_allocated:1201392
allocator_active:1531904
allocator_resident:8310784
total_system_memory:1019645952
total_system_memory_human:972.41M
used_memory_lua:37888
used_memory_lua_human:37.00K
used_memory_scripts:0
used_memory_scripts_human:0B
number_of_cached_scripts:0
maxmemory:0
maxmemory_human:0B
maxmemory_policy:noeviction
allocator_frag_ratio:1.28
allocator_frag_bytes:330512
allocator_rss_ratio:5.43
allocator_rss_bytes:6778880
rss_overhead_ratio:0.42
rss_overhead_bytes:-4804608
mem_fragmentation_ratio:6.57
mem_fragmentation_bytes:2972384
mem_not_counted_for_evict:0
mem_replication_backlog:0
mem_clients_slaves:0
mem_clients_normal:49694
mem_aof_buffer:0
mem_allocator:jemalloc-5.1.0
active_defrag_running:0
lazyfree_pending_objects:0
# Persistence
loading:0
rdb_changes_since_last_save:0
rdb_bgsave_in_progress:0
rdb_last_save_time:1581865688
rdb_last_bgsave_status:ok
rdb_last_bgsave_time_sec:-1
rdb_current_bgsave_time_sec:-1
rdb_last_cow_size:0
aof_enabled:0
aof_rewrite_in_progress:0
aof_rewrite_scheduled:0
aof_last_rewrite_time_sec:-1
aof_current_rewrite_time_sec:-1
aof_last_bgrewrite_status:ok
aof_last_write_status:ok
aof_last_cow_size:0
# Stats
total_connections_received:1
total_commands_processed:2
instantaneous_ops_per_sec:0
total_net_input_bytes:45
total_net_output_bytes:11475
instantaneous_input_kbps:0.00
instantaneous_output_kbps:0.00
rejected_connections:0
sync_full:0
sync_partial_ok:0
sync_partial_err:0
expired_keys:0
expired_stale_perc:0.00
expired_time_cap_reached_count:0
evicted_keys:0
keyspace_hits:0
keyspace_misses:0
pubsub_channels:0
pubsub_patterns:0
latest_fork_usec:0
migrate_cached_sockets:0
slave_expires_tracked_keys:0
active_defrag_hits:0
active_defrag_misses:0
active_defrag_key_hits:0
active_defrag_key_misses:0
# Replication
role:master
connected_slaves:0
master_replid:f7228f0b6203183004fae8db00568f9f73422dc4
master_replid2:0000000000000000000000000000000000000000
master_repl_offset:0
second_repl_offset:-1
repl_backlog_active:0
repl_backlog_size:1048576
repl_backlog_first_byte_offset:0
repl_backlog_histlen:0
# CPU
used_cpu_sys:0.132821
used_cpu_user:0.124317
used_cpu_sys_children:0.000000
used_cpu_user_children:0.000000
# Cluster
cluster_enabled:0
# Keyspace
127.0.0.1:6379> exit
[root@centos7 ~]#