How to install ffmpeg on Ubuntu 20.04
How to install ffmpeg on Ubuntu 20.04 sudo apt install ffmpeg Result: Check:
Month: April 2022
Lua snippet: copy file
Lua snippet: copy file Source: https://forum.cockos.com/showpost.php?&p=2360581&postcount=3 In this snippet we see method to get file size: new_file_sz = new_file:seek( "end" )
How to fix docker and ufw security problem
Example: we use docker to install nodes for mongodb replica set : http://tutorialspots.com/use-docker-to-run-mongodb-replica-set-6859.html But we can access port 27017 any where !!! how to fix…
Lua Nginx | Openresty : lua-resty-string error: undefined symbol: EVP_CIPHER_CTX_init
Sample code: Check log: tail /var/log/nginx/error.log Reason: lua-resty-string v0.15 remove EVP_CIPHER_CTX_init Check here Check version in file: /usr/local/share/lua/5.1/resty/string.lua lua-resty-string Version 0.09 You must update to…
Luarocks/git error: The unauthenticated git protocol on port 9418 is no longer supported.
Example error: Fix: run this command first: git config --global url."https://".insteadOf git:// Done, retry: now, we have two files xmodem.lua rediscluster.lua in folder /usr/local/share/lua/5.1/resty/
Ubuntu 20.04: install MongoDB Driver for Lua
Step 1: install luarocks Step 2: install libbson and libmongoc Step 3: install Lua Mongo Done! now we have file /usr/local/lib/lua/5.1/mongo.so Note: to use with…
Ubuntu 20.04: Install Lua dynamic module onto Nginx
Step 1: Install Nginx apt-get install nginx Result: Step 2: download sources Result: Step 3: install tar make gcc apt-get install tar make gcc Result:…
Use Docker to run MongoDB Replica Set
Step 1: Pull Mongo DB images docker pull mongo:4 Step 2: Create a docker network Example network name: mongo-replicaset docker network create mongo-replicaset Step 3:…
How To Set Up a Firewall with UFW on Ubuntu 20.04
UFW is installed by default on Ubuntu, so you don’t need to install this. Setting Up Default Policies To set the default UFW incoming policy…
Install Docker on Ubuntu 20.04.3
Step 1: remove old versions: sudo apt-get remove docker docker-engine docker.io containerd runc Step 2: Update the apt package index and install some packages sudo…