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…
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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
Ubuntu 20.04: Setup redis master – slave replication and redis sentinel
Example we have 3 server with IP: 5.161.72.222 5.161.61.47 5.161.97.150 With each server: Step 1*: install redis-server apt install redis-server -y Step 2*:edit file /etc/redis/redis.conf…
Ubuntu error: Sub-process /usr/bin/dpkg returned an error code (1)
Example error: We see the main reason is trying to overwrite '/usr/bin/bsondump', which is also in package mongo-tools 3.6.3-0ubuntu1 Caused package: mongo-tools Solution: Step 1:…
Mongodump error: Unrecognized field ‘snapshot’
Example error: Solution: add --forceTableScan
Lua / Openresty: Error: no resolver defined to resolve
Example code: And we see error: How to fix this error: Solution 1: use directive resolver example: resolver 8.8.8.8; in block location Solution 2: You…
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
Ubuntu cmake error: No CMAKE_CXX_COMPILER could be found
Error: No CMAKE_CXX_COMPILER could be found. Solution: Install g++ apt-get install g++
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