diff --git a/aliases/zsh_aliases b/aliases/zsh_aliases
index 36cfe1e..adb125f 100644
--- a/aliases/zsh_aliases
+++ b/aliases/zsh_aliases
@@ -139,7 +139,7 @@ function vsnp() { ni ~/.vim/plugged/vim-snippets/UltiSnips/"$1".snippets ; }
 #  applications {{{ # 
 silent="> /dev/null 2>&1& "
 
-alias rg="ranger"
+alias r="ranger"
 alias mr="man ranger"
 # okular
 # function ok() { nohup okular $1 > /dev/null 2>&1& ; }
@@ -165,7 +165,7 @@ alias h="htop"
 alias vbn="cvlc --loop --alsa-gain 1 ~/Music/brown-noise.mp3"
 alias rmsw="rm .sw*"
 
-function rs(){ redshift -O $(echo "scale=2;$1*1000" | bc) ; }
+function rs(){ redshift -P -O $(echo "scale=2;$1*1000" | bc) ; }
 # function rds(){ redshift -O $1 ; }
 alias rx="redshift -x"
 
diff --git a/configs/i3blocks-scripts/cpu_usage b/configs/i3blocks-scripts/cpu_usage
index 8c3c1f5..3625a93 100755
--- a/configs/i3blocks-scripts/cpu_usage
+++ b/configs/i3blocks-scripts/cpu_usage
@@ -29,7 +29,7 @@ GetOptions("help|h" => \&help,
 
 # Get CPU usage
 $ENV{LC_ALL}="en_US"; # if mpstat is not run under en_US locale, things may break, so make sure it is
-open (MPSTAT, 'mpstat 1 1 |') or die;
+open (MPSTAT, 'mpstat |') or die;
 while (<MPSTAT>) {
     if (/^.*\s+(\d+\.\d+)\s+$/) {
         $cpu_usage = 100 - $1; # 100% - %idle
diff --git a/configs/i3blocks-scripts/memory b/configs/i3blocks-scripts/memory
index e28af4e..b9d7310 100755
--- a/configs/i3blocks-scripts/memory
+++ b/configs/i3blocks-scripts/memory
@@ -40,7 +40,7 @@ END {
 	if (type == "swap")
 		printf("%.1fG\n", (swap_total-swap_free)/1024/1024)
 	else
-		printf("%.1fG\n", mem_free/1024/1024)
+		printf("%.1fG\n", (mem_total-mem_free)/1024/1024)
 
 	# TODO: short text
 
diff --git a/configs/i3blocks/i3blocks.conf b/configs/i3blocks/i3blocks.conf
index 6c10e74..a0fca92 100644
--- a/configs/i3blocks/i3blocks.conf
+++ b/configs/i3blocks/i3blocks.conf
@@ -39,29 +39,27 @@ command=date '+%H:%M.%a-%m-%d'
 interval=30
 color=#cccccc
 
-[wifi]
-label=
-instance=wlp3s0
-interval=10
-
-[battery]
-label=
-interval=10
+# [wifi]
+# label=
+# instance=wlp3s0
+# interval=10
 
 # unbold this?
-[load_average]
+# [load_average]
+# label=
+# interval=5
+# color=#990000
+
+# [cpu_usage -w 50 -c 80]
+[cpu_usage]
 label=
-interval=5
 color=#990000
+interval=5
 
 [memory]
 label=
-color=#006600
-
-[cpu_usage -w 50 -c 80]
-label=
-min_width=CPU: 100.00%
-color=#adeaea
+color=#addfe3
+interval=5
 
 [name]
 label=
diff --git a/key_dirs.txt b/key_dirs.txt
index 68ae4d8..5b6fe58 100644
--- a/key_dirs.txt
+++ b/key_dirs.txt
@@ -6,7 +6,7 @@ D  ~/Documents
 ho ~/
 lc ~/linux-config/
 m /run/media
-ro /
+o /
 
 # }}} sys *