Discover Top Posts Tagged with #centos7

more such moments in comments https://www.cyberciti.biz/tips/my-10-unix-command-line-mistakes.html

#sysadmin #linux #unix #macos #centos #centos7 #Ubuntu #Debian #devops

IRL: Proprietary drivers/firmware for wifi. *cough* broadcom *cough*

Linux user will understand pain. Via http://xkcd.com/1785/

#Linux #Unix #FreeBSD #OpenBSD #Ubuntu #Debian #Sysadmin #Devops #centos #rhel #fedora #centos7 #laptop #wifi #wireless

How To Setup Elasticsearch 6.4 On RHEL/CentOS 6/7?

What is Elasticsearch? Elasticsearch is a search engine based on Lucene. It is useful in a distributed environment and helps in a multitenant-capable full-text search engine. While you query something from Elasticsearch it will provide you with an HTTP web interface and schema-free JSON documents. it provides the ability for full-text search. Elasticsearch is developed in Java and is released as open-source under the terms of the Apache 2 license. Scenario: 1. Server IP: 192.168.56.101 2. Elasticsearch: Version 6.4 3. OS: CentOS 7.5 4. RAM: 4 GB Note: If you are a SUDO user then prefix every command with sudo, like #sudo ifconfig With the help of this guide, you will be able to set up Elasticsearch single-node clusters on CentOS, Red Hat, and Fedora systems. Step 1: Install and Verify Java Java is the primary requirement for installing Elasticsearch. So, make sure you have Java installed on your system. # java -version openjdk version "1.8.0_181" OpenJDK Runtime Environment (build 1.8.0_181-b13) OpenJDK 64-Bit Server VM (build 25.181-b13, mixed mode) If you don’t have Java installed on your system, then run the below command # yum install java-1.8.0-openjdk Step 2: Setup Elasticsearch For this guide, I am downloading the latest Elasticsearch tar from its official website so follow the below step # wget https://artifacts.elastic.co/downloads/elasticsearch/elasticsearch-6.4.2.tar.gz # tar -xzf elasticsearch-6.4.2.tar.gz # tar -xzf elasticsearch-6.4.2.tar.gz # mv elasticsearch-6.4.2 /usr/local/elasticsearch Step 5: Permission and User We need a user for running elasticsearch (root is not recommended). # useradd elasticsearch # chown -R elasticsearch.elasticsearch /usr/local/elasticsearch/ Step 6: Setup Ulimits Now to get a Running system we need to make some changes of ulimits else we will get an error like “max number of threads for user is too low, increase to at least ” so to overcome this issue make below changes you should run. # ulimit -n 65536 # ulimit -u 2048 Or you may edit the file to make changes permanent # vim /etc/security/limits.conf elasticsearch - nofile 65536 elasticsearch soft nofile 64000 elasticsearch hard nofile 64000 elasticsearch hard nproc 4096 elasticsearch soft nproc 4096 Save files using :wq Step 7: Configure Elasticsearch Now make some configuration changes like cluster name or node name to make our single node cluster live. # cd /usr/local/elasticsearch/ Now, look for the below keywords in the file and change according to you need # vim conf/elasticsearch.yml cluster.name: kapendra-cluster-1 node.name: kapendra-node-1 http.port: 9200 to set this value to your IP or make it 0.0.0.0 ID needs to be accessible from anywhere from the network. Else put your IP of localhost network.host: 0.0.0.0 There is one more thing if you have any dedicated mount pint for data then change the value for #path.data: /path/to/data to your mount point.

Your configuration should look like the above. Step 8: Starting Elasticsearch Cluster As the Elasticsearch setup is completed. Let the start Elasticsearch cluster with elastic search user so first switch to elastic search user and then run the cluster # su - elasticsearch $ /usr/local/elasticsearch/bin/elasticsearch 22278 Step 9: Verify Setup You have all done it, just need to verify the setup. Elasticsearch works on port default port 9200, open your browser to point your server on port 9200, You will find something like the below output http://localhost:9200 or http://192.168.56.101:9200 at the end of this article, you have successfully set up Elasticsearch single node cluster. In the next few articles, we will try to cover a few commands and their setup in the docker container for development environments on local machines. Read the full article

#centos7 #elasticsearch #logging #search #textsearch

CentOS 7 Üzerinde CyberPanel Kurulumu

Web sitesi sahipleri için CyberPanel, ücretsiz ve kullanımı kolay bir kontrol paneli olabilir. Sitemizde CentOS 7 üzerine kurulumunu adım adım anlattığımız makalemizde minimum gereksinimlerden SSL sertifikası kurulumuna kadar her adımı detaylıca ele aldık.

CentOS 7 Üzerinde CyberPanel Kurulumu

Bu yazımızda, adım adım CentOS 7 CyberPanel Kurulumu işlemini anlattık. Minimum gereksinimler ve SSL sertifikası kurulumu gibi detayları içe

#CyberPanelKurulumu #CentOS7 #ÜcretsizKontrolPaneli

【數位3C】免編譯CentOS7使用yum升級Git版本到2.0版以上

因為CentOS7 預設使用yum 只能安裝到1.8版的git 但目前最新版已經到了2.37 網路上一般更新到2.x以上都是要另外下載自行編譯不過這樣實在太辛苦了所以這裡使用別的來源來實現更新到2.0以上的新版本不過我們要先移除舊版 yum remove git 安裝裝三方來源 yum install epel-release 再安裝(整段複製) yum install \ https://repo.ius.io/ius-release-el7.rpm…