In this short article we will learn how to install Redis on OpenSuse Tumbelweed operating system.
Introduction
Redis, short for Remote Dictionary Server, has emerged as a powerful and versatile open-source, in-memory data structure store. Originally developed by Salvatore Sanfilippo, Redis has gained widespread adoption due to its speed, simplicity, and flexibility. In this article, we’ll delve into the world of Redis, exploring its key features, use cases, and best practices.
Key Features of Redis
- In-Memory Storage: Redis stores data in RAM, enabling lightning-fast data access.
- Data Structures: Redis supports various data types such as strings, hashes, lists, sets, and sorted sets, making it versatile for different use cases.
- Persistence: While primarily an in-memory store, Redis allows data persistence to disk, providing durability in case of system reboots.
- Replication and High Availability: Redis supports master-slave replication, ensuring data availability even in the event of node failures.
- Pub/Sub Messaging: Redis includes a publish/subscribe mechanism, allowing for real-time communication between different parts of an application.
Common Use Cases
- Caching: Redis excels as a caching mechanism due to its fast read and write capabilities, reducing database load and improving overall application performance.
- Session Storage: Storing session data in Redis ensures quick retrieval and enhances scalability in web applications.
- Real-time Analytics: Its ability to handle high-throughput, real-time data makes Redis suitable for scenarios like analytics dashboards.
- Leaderboards and Counting: Sorted sets in Redis make it easy to implement leaderboards and count-related functionalities in applications.
How To Install Redis On OpenSuse Tumbleweed
In this section we will deeply learn how to install Redis on OpenSuse operating system. Here are the steps to install Redis on OpenSUSE Tumbleweed :
- Update OpenSuse Tumbleweed Sytem Repository
- Adding Redis Repository
- Install Redis
- Configure Redis
- Connecting and performing basic operations in Redis
- Performing Redis Benchmark
1. Update OpenSuse Tumbleweed Sytem Repository
Before installing Redis on the system, it’s a good practice to update our system’s package repository information to ensure if wet the latest available packages. For this purpse we will run the following command:
$ sudo zypper refresh
Output :
ramansah@bckinfobckinfo:~> sudo zypper refresh [sudo] password for root: Repository 'Main Repository (NON-OSS)' is up to date. Repository 'Main Repository (OSS)' is up to date. Repository 'Main Update Repository' is up to date. Repository 'openSUSE-20240131-0' is up to date. Repository 'Open H.264 Codec (openSUSE Tumbleweed)' is up to date. Repository 'Databases (openSUSE_Tumbleweed)' is up to date. Repository 'snappy' is up to date. All repositories have been refreshed. ramansah@bckinfobckinfo:~> sudo zypper update Loading repository data... Reading installed packages...
2. Adding Redis Repository
By default, Redis 6 has been available in the default OpenSUSE Tumbleweed. But if we need the latest version of Redis, then we have to add Redis repository to the system. To get the latest version, we will add Redis repository to the system by using command:
$ sudo curl -L -o /etc/zypp/repos.d/server-database.repo https://download.opensuse.org/repositories/server:/database/openSUSE_Tumbleweed/server:database.repo
The output will be as follow :
ramansah@bckinfobckinfo:~> sudo curl -L -o /etc/zypp/repos.d/server-database.repo https://download.opensuse.org/repositories/server:/database/openSUSE_Tumbleweed/server:database.repo
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
100 288 100 288 0 0 269 0 0:00:01 0:00:01 --:--:-- 269
Then we will verify if the Redis repository has already added to the system. By using command line :
$ vi /etc/zypp/repos.d/server-database.repo
Output :
ramansah@bckinfobckinfo:~> vi /etc/zypp/repos.d/server-database.repo [server_database] name=Databases (openSUSE_Tumbleweed) type=rpm-md baseurl=https://download.opensuse.org/repositories/server:/database/openSUSE_Tumbleweed/ gpgcheck=1 gpgkey=https://download.opensuse.org/repositories/server:/database/openSUSE_Tumbleweed/repodata/repomd.xml.key enabled=1 ~ ~
Based on repository file above, then we have known if Redis repo has already added to the system. Then we need to refresh the system by submitting command line :
$ sudo zypper ref
Output :
ramansah@bckinfobckinfo:~> sudo zypper ref Repository 'Main Repository (NON-OSS)' is up to date. Repository 'Main Repository (OSS)' is up to date. Repository 'Main Update Repository' is up to date. Repository 'openSUSE-20240131-0' is up to date. Repository 'Open H.264 Codec (openSUSE Tumbleweed)' is up to date. Repository 'Databases (openSUSE_Tumbleweed)' is up to date. Repository 'snappy' is up to date. All repositories have been refreshed.
3. Install Redis On OpenSuse Tumbleweed
In this section we have updated our system repo. To install Redis on OpenSuse we just submit following command .
$ sudo zypper in redis
Output :
ramansah@bckinfobckinfo:~> sudo zypper in redis Loading repository data... Reading installed packages... Resolving package dependencies... The following NEW package is going to be installed: redis 1 new package to install. Overall download size: 1.6 MiB. Already cached: 0 B. After the operation, additional 5.8 MiB will be used. Continue? [y/n/v/...? shows all options] (y): Retrieving: redis-7.2.4-229.11.x86_64 (Databases (openSUSE_Tumbleweed)) (1/1), 1.6 MiB Retrieving: redis-7.2.4-229.11.x86_64.rpm ...................................................................[done (744.0 KiB/s)] Checking for file conflicts: ..............................................................................................[done] /usr/bin/systemd-sysusers - See /usr/share/doc/packages/redis/README.SUSE to continue (1/1) Installing: redis-7.2.4-229.11.x86_64 ...............................................................................[done] Running post-transaction scripts ..........................................................................................[done]
Then wen will verify, if Redis has already installed on the system. To verify Redis version we will submit following command line :
$ zypper info redis
Output :
ramansah@bckinfobckinfo:~> zypper info redis
Loading repository data...
Reading installed packages...
Information for package redis:
------------------------------
Repository : Databases (openSUSE_Tumbleweed)
Name : redis
Version : 7.2.4-229.11
Arch : x86_64
Vendor : obs://build.opensuse.org/server:database
Installed Size : 5.8 MiB
Installed : Yes
Status : up-to-date
Source package : redis-7.2.4-229.11.src
Upstream URL : https://redis.io
Summary : Persistent key-value database
Description :
redis is an advanced key-value store. It is similar to memcached but the dataset
is not volatile, and values can be strings, exactly like in memcached,
but also lists, sets, and ordered sets. All this data types can be manipulated
with atomic operations to push/pop elements, add/remove elements, perform server
side union, intersection, difference between sets, and so forth. Redis supports
different kind of sorting abilities.
4. Creating Systemd File
To manage Redis service which, we will create systemd file. We will use vi text editor for this persin.
$ sudo vi /etc/systemd/system/redis.service [Unit] Description=Redis In-Memory Data Store After=network.target [Service] User=redis Group=redis ExecStart=/usr/sbin/redis-server /etc/redis/redis.conf LimitNOFILE=10240 ExecStop=/usr/bin/redis-cli shutdown Restart=always [Install] WantedBy=multi-user.target ~
By default, the configuration file has already bundled as pre built file. We only need to change its file and add executbale privilage for this file.
ramansah@bckinfobckinfo:~> sudo cp /etc/redis/default.conf.example /etc/redis/redis.conf ramansah@bckinfobckinfo:~> sudo chown redis:redis /etc/redis/redis.conf
5. Starting Redis Service
The next step in installing Redis on OpenSuse is to start Redis service and enabled it. For this purpose we will do following command lines :
$ sudo systemctl start redis $ sudo systemctl status redis $ sudo systemctl enable redis
Output :
ramansah@bckinfobckinfo:~> sudo systemctl start redis
ramansah@bckinfobckinfo:~> sudo systemctl status redis
● redis.service - Redis In-Memory Data Store
Loaded: loaded (/etc/systemd/system/redis.service; disabled; preset: disabled)
Active: active (running) since Fri 2024-02-16 23:43:10 WIB; 4s ago
Main PID: 46605 (redis-server)
Tasks: 5 (limit: 2241)
CPU: 21ms
CGroup: /system.slice/redis.service
└─46605 "/usr/sbin/redis-server 127.0.0.1:6379"
Feb 16 23:43:10 bckinfobckinfo.com systemd[1]: Started Redis In-Memory Data Store.
ramansah@bckinfobckinfo:~> sudo systemctl enable redis Created symlink /etc/systemd/system/multi-user.target.wants/redis.service → /etc/systemd/system/redis.service.
6. Configuring Redis
In this section we will configure Redis. By configuring Redis we could allow remote access, setting authentication password, add a pid file and to Set Persistent Store for Recovery. The configuration file is located at /etc/redis/redis.conf file.
We will uncomment file :
Examples: # # bind 192.168.1.100 10.0.0.1 # listens on two specific IPv4 addresses # bind 127.0.0.1 ::1 # listens on loopback IPv4 and IPv6 bind * -::* # like the default, all available interfaces # # ~~~ WARNING ~~~ If the computer running Redis is directly exposed to the # internet, binding to all the interfaces is dangerous and will expose the # command, these will cause requirepass to be ignored. # requirepass pastest202401 # AOF and RDB persistence can be enabled at the same time without problems. # If the AOF is enabled on startup Redis will load the AOF, that is the file # with the better durability guarantees. # # Please check https://redis.io/topics/persistence for more information. appendonly yes # The base name of the append only file. # - appendonly.aof.1.incr.aof, appendonly.aof.2.incr.aof as incremental files. # - appendonly.aof.manifest as a manifest file. appendfilename "appendonly.aof"
After updating Redis configuration file, then we will restart Redis service by submitting command line :
$ sudo systemctl restart redis
If our server is using Firewall, then we need to allow the connection from external entity. For this purpose we will use command lines :
ramansah@bckinfobckinfo:~> sudo firewall-cmd --add-port=6379/tcp --permanent success ramansah@bckinfobckinfo:~> sudo firewall-cmd --reload success
7. Testing Redis
In this section we will try to login and and do basic operation in Redis.
$ redis-cli
Output :
ramansah@bckinfobckinfo:~> redis-cli 127.0.0.1:6379> auth pastest202401 OK 127.0.0.1:6379> info server # Server redis_version:7.2.4 redis_git_sha1:00000000 redis_git_dirty:0 redis_build_id:7e5fceed731af78a redis_mode:standalone os:Linux 6.7.2-1-default x86_64 arch_bits:64 monotonic_clock:POSIX clock_gettime multiplexing_api:epoll atomicvar_api:c11-builtin gcc_version:13.2.1 process_id:2168 process_supervised:no run_id:4affe2729ce2a250d130614e8ef697c2403f9ae6 tcp_port:6379 server_time_usec:1709083053687855 uptime_in_seconds:179 uptime_in_days:0 hz:10 configured_hz:10 lru_clock:14584237 executable:/usr/sbin/redis-server config_file:/etc/redis/redis.conf io_threads_active:0 listener0:name=tcp,bind=127.0.0.1,bind=-::1,port=6379
Conclusion
Redis stands out as a robust and versatile solution for in-memory data storage, offering unparalleled speed and flexibility. As technology continues to evolve, Redis is likely to remain a key player in the realm of data management, providing developers with a reliable tool to address various application challenges.
