diff --git a/bash/.bash_profile b/bash/.bash_profile
deleted file mode 100644
index 08bc354..0000000
--- a/bash/.bash_profile
+++ /dev/null
@@ -1,13 +0,0 @@
-# .bash_profile
-
-# Get the aliases and functions
-if [ -f ~/.bashrc ]; then
-	. ~/.bashrc
-fi
-
-# User specific environment and startup programs
-
-export EDITOR=nvim
-
-
-if [ -e /home/grue/.nix-profile/etc/profile.d/nix.sh ]; then . /home/grue/.nix-profile/etc/profile.d/nix.sh; fi # added by Nix installer
diff --git a/bash/.bashrc b/bash/.bashrc
deleted file mode 100644
index ad4581e..0000000
--- a/bash/.bashrc
+++ /dev/null
@@ -1,27 +0,0 @@
-# .bashrc
-
-# Source global definitions
-if [ -f /etc/bashrc ]; then
-	. /etc/bashrc
-fi
-
-# User specific environment
-if ! [[ "$PATH" =~ "$HOME/.local/bin:$HOME/bin:" ]]
-then
-    PATH="$HOME/.local/bin:$HOME/bin:$PATH"
-fi
-export PATH
-
-# Uncomment the following line if you don't like systemctl's auto-paging feature:
-# export SYSTEMD_PAGER=
-
-# User specific aliases and functions
-if [ -d ~/.bashrc.d ]; then
-	for rc in ~/.bashrc.d/*; do
-		if [ -f "$rc" ]; then
-			. "$rc"
-		fi
-	done
-fi
-
-unset rc
diff --git a/bash/.bashrc.d/alias.sh b/bash/.bashrc.d/alias.sh
index fe5ffd1..6c02454 100644
--- a/bash/.bashrc.d/alias.sh
+++ b/bash/.bashrc.d/alias.sh
@@ -1,6 +1,29 @@
+# ls
+alias l="ls -l"
+alias la="ls -la"
+alias ll="ls -lah"
+alias lt="ls --tree"
+
+# tmux
+if [ -x "$(command -v tmux)" ]; then
+    function tn {
+        if [ $# -eq 0 ]; then
+            tmux new-session -s $(basename $(pwd))
+        else
+            tmux new-session -s $1
+        fi
+    }
+    alias tl="tmux list-sessions"
+    alias ta="tmux attach -t"
+fi
+
 # LaTeX
-alias luamk="latexmk -pdf -interaction=nonstopmode -pdflatex=lualatex"
-alias lmk="latexmk -pdf -interaction=nonstopmode"
+if [ -x "$(command -v latexmk)" ]; then
+    if [ -x "$(command -v lualatex)" ]; then
+        alias luamk="latexmk -pdf -interaction=nonstopmode -pdflatex=lualatex"
+    fi
+    alias lmk="latexmk -pdf -interaction=nonstopmode"
+fi
 
 # editor
 if [ -x "$(command -v nvim)" ]; then
diff --git a/bash/.bashrc.d/vars.sh b/bash/.bashrc.d/vars.sh
index 1cbf5d9..4c1cdb6 100644
--- a/bash/.bashrc.d/vars.sh
+++ b/bash/.bashrc.d/vars.sh
@@ -1 +1,4 @@
 export JULIA_NUM_THREADS=auto
+export EDITOR=nvim
+# export SSH_AUTH_SOCK=$(gpgconf --list-dirs agent-ssh-socket)
+export GPG_TTY=$(tty)
diff --git a/git/.config/git/config b/git/.config/git/config
index 697689a..2c9990e 100644
--- a/git/.config/git/config
+++ b/git/.config/git/config
@@ -7,7 +7,7 @@
 [merege]
     conflictstyle = diff3
 [commit]
-    gpgsign = true
+    gpgsign = false
 [credential]
     helper = cache --timeout 28800
 [alias]