X-Git-Url: https://ruderich.org/simon/gitweb/?a=blobdiff_plain;f=shell%2Faliases.in;h=69270ccfc261dd4704bda7a20153ff08f6941935;hb=3e17e82d591782b4750382b00c5bf6ee96eddedf;hp=eebda1ec1917c1cba1e15b5e9326f75886db9dab;hpb=10029386b0efedf07dcf368fdb2fcdd1c85017d0;p=config%2Fdotfiles.git

diff --git a/shell/aliases.in b/shell/aliases.in
index eebda1e..69270cc 100644
--- a/shell/aliases.in
+++ b/shell/aliases.in
@@ -37,14 +37,15 @@ alias gri='grep -i'
 alias grr='grep -r'
 alias grri='grep -ri'
 alias mc='make clean'
-alias mj='make -j'
+alias mj='make -j$(nproc)'
 alias mu=mutt
 alias rs=reset # like git's reset alias
 alias sa='ssh-add -t 1h'
 alias te=tree
-# systemd ... (sc is provided as shell script for better completoin)
+# systemd ... (sc is provided as shell script for better completion)
 alias jc=journalctl
 alias lc=loginctl
+alias mc=machinectl
 
 
 unalias mv cp 2>/dev/null
@@ -71,7 +72,7 @@ unalias ls 2>/dev/null
 # See `setup.sh` for details. LS_* are replaced with the appropriate values
 # when this file is generated.
 ls() {
-    LS_ENV command ls LS_COLOR LS_OPTIONS -C -F "$@" 2>&1 | less
+    LS_ARGS -C -F "$@" 2>&1 | less
 }
 
 unalias ll lt la lal lat 2>/dev/null
@@ -120,4 +121,14 @@ info() {
     command info "$@" 2>/dev/null | less
 }
 
+# Using su (or sudo) as root to a less privileged user might allow the other
+# user to run arbitrary commands as root. See also Debian bugs #628843 and
+# #657784.
+if test "`id -u`" -eq 0; then
+    su() {
+        echo 'never su as root' >&2
+        return 1
+    }
+fi
+
 # vim: ft=sh