diff --git a/.gitignore b/.gitignore
index e0292b19..fcf9a284 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,11 @@
 *.o
 *.a
+*.so
+pCloudCC/CMakeCache.txt
+pCloudCC/CMakeFiles/
+pCloudCC/Makefile
+pCloudCC/cmake_install.cmake
+pCloudCC/install_manifest.txt
+pCloudCC/lib/mbedtls/Makefile
+pCloudCC/lib/mbedtls/library/Makefile
+pCloudCC/pcloudcc
diff --git a/README.md b/README.md
index 7cae5772..5ad8198e 100644
--- a/README.md
+++ b/README.md
@@ -12,27 +12,27 @@ Also requires
 [CMake](https://cmake.org/) build system.  
 
 On Ubuntu you can run the following command:  
-> sudo apt-get install cmake zlib1g-dev libboost-system-dev libboost-program-options-dev libpthread-stubs0-dev libfuse-dev  
+> sudo apt-get install cmake zlib1g-dev libboost-system-dev libboost-program-options-dev libpthread-stubs0-dev libfuse-dev libudev-dev
 
 ## Build steps
 
-> sudo apt-get install cmake zlib1g-dev libboost-system-dev libboost-program-options-dev libpthread-stubs0-dev libfuse-dev git  
+> sudo apt-get install cmake zlib1g-dev libboost-system-dev libboost-program-options-dev libpthread-stubs0-dev libfuse-dev libudev-dev git
 > mkdir console-client   
 > git clone https://github.com/pcloudcom/console-client.git ./console-client/  
-> cd ./console-client/pCloudCC/   
-> cd lib/pclsync/        
-> make clean    
-> make fs     
-> cd ../mbedtls/   
-> cmake .      
-> make clean     
-> make       
-> cd ../..      
-> cmake .    
-> make      
-> sudo make install     
-> ldconfig     
-> pcloudcc -u username -p       
+> cd ./console-client/pCloudCC/
+> cd lib/pclsync/
+> make clean
+> make fs
+> cd ../mbedtls/
+> cmake .
+> make clean
+> make
+> cd ../..
+> cmake .
+> make
+> sudo make install
+> ldconfig
+> pcloudcc -u username -p
 
 ## Usage
 Terminal command is pcloudcc and -h option prints short options description.
diff --git a/install_debian.sh b/install_debian.sh
new file mode 100755
index 00000000..5e94e261
--- /dev/null
+++ b/install_debian.sh
@@ -0,0 +1,17 @@
+#!/bin/sh
+sudo apt-get install cmake zlib1g-dev libboost-system-dev libboost-program-options-dev libpthread-stubs0-dev libfuse-dev libudev-dev git
+mkdir console-client
+git clone https://github.com/pcloudcom/console-client.git ./console-client/
+cd ./console-client/pCloudCC/
+cd lib/pclsync/
+make clean
+make fs
+cd ../mbedtls/
+cmake .
+make clean
+make
+cd ../..
+cmake .
+make
+sudo make install
+ldconfig
diff --git a/pCloudCC/lib/mbedtls/CMakeLists.txt b/pCloudCC/lib/mbedtls/CMakeLists.txt
index eafe3017..420dff41 100644
--- a/pCloudCC/lib/mbedtls/CMakeLists.txt
+++ b/pCloudCC/lib/mbedtls/CMakeLists.txt
@@ -4,7 +4,7 @@ project(MBEDTLS C)
 string(REGEX MATCH "Clang" CMAKE_COMPILER_IS_CLANG "${CMAKE_C_COMPILER_ID}")
 set (CMAKE_INSTALL_LOCAL_ONLY ON)
 if(CMAKE_COMPILER_IS_GNUCC)
-  set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wextra -W -Wdeclaration-after-statement -Wwrite-strings -Wlogical-op -fPIC")
+  set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fomit-frame-pointer -Wall -Wextra -W -Wdeclaration-after-statement -Wwrite-strings -Wlogical-op -fPIC")
   set(CMAKE_C_FLAGS_RELEASE     "-O2")
   set(CMAKE_C_FLAGS_DEBUG       "-O0 -g3")
   set(CMAKE_C_FLAGS_COVERAGE    "-O0 -g3 --coverage")
@@ -15,7 +15,7 @@ if(CMAKE_COMPILER_IS_GNUCC)
 endif(CMAKE_COMPILER_IS_GNUCC)
 
 if(CMAKE_COMPILER_IS_CLANG)
-  set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wextra -W -Wdeclaration-after-statement -Wwrite-strings -Wpointer-arith")
+  set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fomit-frame-pointer -Wall -Wextra -W -Wdeclaration-after-statement -Wwrite-strings -Wpointer-arith")
   set(CMAKE_C_FLAGS_RELEASE     "-O2")
   set(CMAKE_C_FLAGS_DEBUG       "-O0 -g3")
   set(CMAKE_C_FLAGS_COVERAGE    "-O0 -g3 --coverage")
diff --git a/pCloudCC/lib/pclsync/pcompat.h b/pCloudCC/lib/pclsync/pcompat.h
index b5fd2198..802db391 100644
--- a/pCloudCC/lib/pclsync/pcompat.h
+++ b/pCloudCC/lib/pclsync/pcompat.h
@@ -92,7 +92,9 @@
 
 #define P_OS_ID 7
 
+#ifndef _GNU_SOURCE
 #define _GNU_SOURCE
+#endif
 
 #else
 
diff --git a/pCloudCC/lib/pclsync/pcompiler.h b/pCloudCC/lib/pclsync/pcompiler.h
index 61c68055..ffe55820 100644
--- a/pCloudCC/lib/pclsync/pcompiler.h
+++ b/pCloudCC/lib/pclsync/pcompiler.h
@@ -45,15 +45,15 @@
 #endif
 #endif
 
-#ifndef __has_builtin
+#ifndef PSYNC_HAS_BUILTIN
 #if defined(__GNUC__)
-#define __has_builtin(x) 1
+#define PSYNC_HAS_BUILTIN(x) 1
 #else
-#define __has_builtin(x) 0
+#define PSYNC_HAS_BUILTIN(x) 0
 #endif
 #endif
 
-#if __has_builtin(__builtin_expect)
+#if PSYNC_HAS_BUILTIN(__builtin_expect)
 #define likely(expr) __builtin_expect(!!(expr), 1)
 #define unlikely(expr) __builtin_expect(!!(expr), 0)
 #else
@@ -61,7 +61,7 @@
 #define unlikely(expr) (expr)
 #endif
 
-#if __has_builtin(__builtin_prefetch)
+#if PSYNC_HAS_BUILTIN(__builtin_prefetch)
 #define psync_prefetch(expr) __builtin_prefetch(expr)
 #elif defined(_MSC_VER)
 #define psync_prefetch(expr) _mm_prefetch((char *)(expr), _MM_HINT_T0)
diff --git a/pCloudCC/lib/pclsync/psettings.h b/pCloudCC/lib/pclsync/psettings.h
index 71fb8f24..ff67970e 100644
--- a/pCloudCC/lib/pclsync/psettings.h
+++ b/pCloudCC/lib/pclsync/psettings.h
@@ -233,7 +233,7 @@
 #define PSYNC_FS_MAX_READAHEAD (16*1024*1024)
 #define PSYNC_FS_MAX_READAHEAD_IF_SEC (64*1024*1024)
 #define PSYNC_FS_MAX_READAHEAD_SEC 16
-#define PSYNC_FS_DEFAULT_CACHE_SIZE ((uint64_t)5*1024*1024*1024)
+#define PSYNC_FS_DEFAULT_CACHE_SIZE ((uint64_t)64*1024*1024)
 #define PSYNC_FS_DIRECT_UPLOAD_LIMIT (256*1024)
 #define PSYNC_FS_FILESIZE_FOR_2CONN (4*1024*1024)
 #define PSYNC_FS_FILE_LOC_HIST_SEC 30