shell/aliases: mj: add $(nproc)

[config/dotfiles.git] / shell / aliases.in

diff --git a/shell/aliases.in b/shell/aliases.in
index 2848f737b02f8249c6cffd9e75723a11339d39ab..5e9c33a804cf57f77d3cb8ae28d2bbb4ece51e78 100644 (file)
--- a/shell/aliases.in
+++ b/shell/aliases.in
@@ -37,7 +37,7 @@ 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'
@@ -45,6 +45,7 @@ alias te=tree
 # systemd ... (sc is provided as shell script for better completoin)
 alias jc=journalctl
 alias lc=loginctl
+alias mc=machinectl
 
 
 unalias mv cp 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