diff --git a/README.md b/README.md
index 6034853..e71c9d8 100644
--- a/README.md
+++ b/README.md
@@ -67,7 +67,7 @@ Now you can get access to web interface on 8095 port: http://localhost:8095
 
 [More about configuration](docs/SERVER.md)
 
-[More about server compatibility](docs/SERVER_COMPATIBILITY.md)
+[More about server compatibility and known issues](docs/SERVER_COMPATIBILITY.md)
 
 ## Donation
 
diff --git a/docs/SERVER_COMPATIBILITY.md b/docs/SERVER_COMPATIBILITY.md
index e200801..2ac1b5a 100644
--- a/docs/SERVER_COMPATIBILITY.md
+++ b/docs/SERVER_COMPATIBILITY.md
@@ -2,4 +2,13 @@
 
 Alpine don't using glibc as default library so you need to other precompiled components:
 
-[Alpine x86_64 3.7.0](https://github.com/DEgITx/rats-search/files/1972698/alpine_x64_searchd.tar.gz) - replace in "imports/linux/x64"
\ No newline at end of file
+[Alpine x86_64 3.7.0](https://github.com/DEgITx/rats-search/files/1972698/alpine_x64_searchd.tar.gz) - replace in "imports/linux/x64"
+
+## CentOS 6
+
+CentOS 6 using old glibc, you need atleast 2.7 to start precompiled components.
+
+Start as root to update glibc to 2.7:
+```console
+wget https://gist.githubusercontent.com/harv/f86690fcad94f655906ee9e37c85b174/raw/2cfcc7922b0c2f391afb957fd209a1f1f2f9f659/glibc-2.17_centos6.sh && chmod +x glibc-2.17_centos6.sh && ./glibc-2.17_centos6.sh
+```
\ No newline at end of file