diff --git a/00_aliases b/00_aliases
new file mode 100644
index 0000000..fdbbb0f
--- /dev/null
+++ b/00_aliases
@@ -0,0 +1,18 @@
+function ts() {
+  date +%Y-%m-%d_%H:%M:%S
+}
+
+function check_ssl {
+  if [[ -z "$1" ]]; then
+    printf 'usage:\n\ncheck_ssl SITE <port>\n' >&2
+    return 1
+  else
+    site="$1"
+  fi
+  if [[ -z "$2" ]]; then
+    port=443
+  else
+    port="$2"
+  fi
+  echo | openssl s_client -showcerts -servername "$site" -connect "$site":"$port" 2>/dev/null | openssl x509 -inform pem -noout -text
+}
diff --git a/bashrc b/bashrc
index b6795f9..a817ea3 100644
--- a/bashrc
+++ b/bashrc
@@ -104,7 +104,7 @@ fi
 ssh_auth_link="${auth_sock_dir}/ssh_auth_sock"
 pgrep ssh-agent &>/dev/null
 if [[ "$?" == "1" ]]; then
-  eval "$(ssh-agent &>"$auth_sock_log")"
+  . <(ssh-agent | sed 's/echo/#echo/' | tee "$auth_sock_log")
   if [[ -L "$ssh_auth_link" ]]; then
     rm "$ssh_auth_link"
   fi
@@ -114,6 +114,25 @@ if [[ "$?" == "1" ]]; then
   else
     ln -s "$SSH_AUTH_SOCK" "$ssh_auth_link"
   fi
-else
-   [[ -L "${ssh_auth_link}" ]] && [[ -e "${ssh_auth_link}" ]] && export SSH_AUTH_SOCK="$ssh_auth_link"
 fi
+[[ -L "${ssh_auth_link}" ]] && [[ -e "${ssh_auth_link}" ]] && export SSH_AUTH_SOCK="$ssh_auth_link"
+
+# Eternal bash history.
+# ---------------------
+# Undocumented feature which sets the size to "unlimited".
+# http://stackoverflow.com/questions/9457233/unlimited-bash-history
+export HISTFILESIZE=
+export HISTSIZE=
+export HISTCONTROL=ignoredups:erasedups
+export HISTTIMEFORMAT="[%F %T] "
+shopt -s histappend
+
+# export HISTTIMEFORMAT="[%F %T] $(/home/luke/bin/history_status) "
+# Change the file location because certain bash sessions truncate .bash_history file upon close.
+# http://superuser.com/questions/575479/bash-history-truncated-to-500-lines-on-each-login
+export HISTFILE=~/.bash_eternal_history
+# Force prompt to write history after every command.
+# http://superuser.com/questions/20900/bash-history-loss
+# PROMPT_COMMAND="history -a; $PROMPT_COMMAND"
+# PROMPT_COMMAND="history -a; history -c; history -r; $PROMPT_COMMAND"
+export PROMPT_COMMAND="${PROMPT_COMMAND:+$PROMPT_COMMAND$'\n'}history -a; history -c; history -r"