To find RAM memory details (model number/manufacturer) in Linux, you can use the command
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dmidecode --type 17 |
To show only model numbers, run
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dmidecode --type 17 | grep "Part Number" |
Once you find the Part Number, you can search in google for the part number to see more details about the RAM. On Ubuntu/Debian, you can install dmidecode with the command
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apt install -y dmidecode |
On […]
To install a free LetsEncrypt SSL certificate on bitnami WordPress installation, do the following log in to the server as user “bitnami” using SSH/putty. Run command
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sudo /opt/bitnami/bncert-tool |
It will ask for the domain name. Enter domain names separated by space. After that you will be asked if you need to redirect the domain name to […]
Uvicorn is a lightning-fast ASGI server used to serve python ASGI frameworks like FastAPI, Django Channels, Quart, BlackSheep, etc… https://www.uvicorn.org To install Uvicorn, run
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pip install uvicorn |
To run, you can use
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uvicorn main:app --host 0.0.0.0 --port 8000 --reload |
See Python […]
mpm-itk allow you to run Apache VirtualHost under a specific user/group instead of under the Apache user/group. On Debian/Ubuntu Apache web server is run under user www-data. When you host multiple websites under an Apache server, running all sites under the same www-data user allows a hacker to access files of other sites if one […]
On a Cpanel Server, when you visit a shared IP address used by multiple websites, you will see the website of the first VirtualHost entry. This is not good when you have multiple customer websites as your other customers may visit the IP and see the site associated with the first VirtualHost entry and complain […]
To Install Elasticsearch with Docker, first, you need to install docker on your server with command
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wget -qO- https://get.docker.com/ | sh |
Docker images for Elasticsearch are available from https://hub.docker.com/_/elasticsearch You can see all available versions at https://hub.docker.com/_/elasticsearch?tab=tags&page=1&ordering=last_updated To create an elasticsearch container, run
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docker run -p 9200:9200 -p 9300:9300 -e "discovery.type=single-node" elasticsearch:7.5.2 |
To run it in the background
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docker run --name my-esarch -d -p 9200:9200 -p 9300:9300 -e "discovery.type=single-node" elasticsearch:7.5.2 |
To verify if ElasticSearch works, run
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boby@sok-01:~$ curl localhost:9200 { "name" : "730d385743b3", "cluster_name" : "docker-cluster", "cluster_uuid" : "V9XDIPXZQt-Tfgcy8hoIDg", "version" : { "number" : "7.5.2", "build_flavor" : "default", "build_type" : "docker", "build_hash" : "8bec50e1e0ad29dad5653712cf3bb580cd1afcdf", "build_date" : "2020-01-15T12:11:52.313576Z", "build_snapshot" : false, "lucene_version" : "8.3.0", "minimum_wire_compatibility_version" : "6.8.0", "minimum_index_compatibility_version" : "6.0.0-beta1" }, "tagline" : "You Know, for Search" } boby@sok-01:~$ |
Back […]
Sometimes working on Visual Code Studio, I lose Tabs shown on top of the editor, this happens when I type, maybe I press some key combination by accident. Once this happened, Visual Codde Studio won’t show tabs for all the open documents, instead, it just shows a tab for the active document. To fix this, […]
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To find memory, use the free command.
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free -m |
Will show memory in MB. The following is free -m on a server with 8 GB RAM.
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boby@sok-01:~$ free -m total used free shared buff/cache available Mem: 7949 5560 715 137 1673 1984 Swap: 9536 2660 6876 boby@sok-01:~$ |
To display memory usage in a human friendly way, use
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free -h |
Example
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boby@sok-01:~$ free -h total used free shared buff/cache available Mem: 7.8Gi 5.4Gi 686Mi 143Mi 1.6Gi 1.9Gi Swap: 9.3Gi 2.6Gi 6.7Gi boby@sok-01:~$ |
[…]
To find CPU used on a Linux system, run command
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cat /proc/cpuinfo |
Example
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boby@sok-01:~$ cat /proc/cpuinfo | grep -i "model name" model name : AMD Ryzen 3 2200G with Radeon Vega Graphics model name : AMD Ryzen 3 2200G with Radeon Vega Graphics model name : AMD Ryzen 3 2200G with Radeon Vega Graphics model name : AMD Ryzen 3 2200G with Radeon Vega Graphics boby@sok-01:~$ |
[…]