Ubuntu 20.04: install MongoDB Driver for Lua – part 2
Part 2 install specific version of lua-mongo Example we install version 1.1.0 Follow step 1 and 2 in part 1 : Ubuntu 20.04: install MongoDB…
Tag: Lua
Lua: slice table
Code snippet: Example: Result: Online demo
VMPC stream cipher implement in Lua
VMPC (Variably Modified Permutation Composition) is a stream cipher similar to the well known and popular cipher RC4 designed by Ron Rivest. It was designed…
Lua: bitwise xor for Lua < 5.2
Lua: bitwise xor for Lua < 5.2 Example:
Lua: how to create a folder
Method 1: use LuaFileSystem Method 2: use paths Method 3: Use Lua/APR Method 4: use os.mkdir Method 5: Not recommended
Lua: Retrieve partial ftp file at specific range – Method 2
We wrote an article: Lua: Retrieve partial ftp file at specific range about method 1, but in some case, we see when you receive more…
Lua Nginx|Openresty: use session with redis sentinel
Read first: Lua Nginx|Openresty: use session with redis cluster Lua / Openresty: work with redis master-slave replication and redis sentinel Edit file /usr/local/share/lua/5.1/resty/session/storage/redis.lua Note: new…
Lua / Openresty: work with redis master-slave replication and redis sentinel
We use lua-resty-redis-connector Install lua-resty-redis-connector luarocks install lua-resty-redis-connector Example of usage: Online demo: http://5.161.72.222/test/sentinel
Lua / Openresty: How to get real client IP address
Supports CloudFlare, Incapsula, Sucuri, Any Proxy … Note: if you use reverse proxy, you should use: Test: Online demo: http://5.161.72.222/test/ip
Openresty websocket: Could not decode a text frame as UTF-8.
We use lua-resty-websocket to create websocket server: https://github.com/openresty/lua-resty-websocket Solution: don’t use send_text, should use send_binary