diff --git a/.bash_aliases b/.bash_aliases
index b92686e..8ec3a0d 100644
--- a/.bash_aliases
+++ b/.bash_aliases
@@ -14,3 +14,4 @@ alias antlr4='java -cp ~/antlr-4.6-complete.jar:. org.antlr.v4.Tool '
 alias antlr4c='javac -cp ~/antlr-4.6-complete.jar:. '
 alias grun='java -cp ~/antlr-4.6-complete.jar:. org.antlr.v4.runtime.misc.TestRig '
 alias ssh-agent='ssh-agent -t 1h'
+alias tm='tmux new-session -A -s sys'
diff --git a/.bashrc b/.bashrc##Linux.a-server
similarity index 96%
rename from .bashrc
rename to .bashrc##Linux.a-server
index 583df93..5d1e67a 100644
--- a/.bashrc
+++ b/.bashrc##Linux.a-server
@@ -57,7 +57,7 @@ if [ -n "$force_color_prompt" ]; then
 fi
 
 if [ "$color_prompt" = yes ]; then
-    PS1='${debian_chroot:+($debian_chroot)}[\[\e[01;32m\]\u@\h\[\e[00m\]](\[\e[1;36m\]\D{%b %d} \A\[\033[00m\]):\[\033[01;34m\]\W \$\[\033[00m\] '
+    PS1='${debian_chroot:+($debian_chroot)}[\[\e[01;32m\]\u@\[\033[0;31m\]\h\[\e[00m\]](\[\e[1;36m\]\D{%b %d} \A\[\033[00m\]):\[\033[01;34m\]\W \$\[\033[00m\] '
 else
     PS1='${debian_chroot:+($debian_chroot)}[\u@\h](\D{%b %d} \A):\W \$ '
 fi
diff --git a/.tmux.conf##Linux.a-server b/.tmux.conf##Linux.a-server
index 9f20259..c2e8ba4 100644
--- a/.tmux.conf##Linux.a-server
+++ b/.tmux.conf##Linux.a-server
@@ -25,5 +25,5 @@ set-window-option -g mode-keys vi
 set -g status-right '%H:%m %d-%b-%y '
 
 # default shell
-set -g default-terminal "screen-256color" /bin/bash
+#set -g default-terminal "screen-256color" /bin/bash
 #set-option -g default-shell /bin/bash