From: Nicolas Boisselier <nicolas.boisselier@gmail.com>
Date: Thu, 1 Dec 2016 10:59:12 +0000 (+0000)
Subject: sys.sh
X-Git-Url: https://git.nbdom.net/?a=commitdiff_plain;h=6198f5cd5c8b85d67ef663b34012c81f6e1402f3;p=nb.git

sys.sh
---

diff --git a/etc/profile.d/sys.sh b/etc/profile.d/sys.sh
index 4b110943..0bd3e3e8 100644
--- a/etc/profile.d/sys.sh
+++ b/etc/profile.d/sys.sh
@@ -1,3 +1,18 @@
 sys_is_vm() {
   grep -q ^flags.*\ hypervisor /proc/cpuinfo && echo "This machine is a VM"
 }
+
+sys_watch() {
+  local tmp=/tmp/
+  [ -d /dev/shm/ ] && tmp=/dev/shm/
+  tmp="$tmp/$FUNCNAME.$$"
+  netstat -autpn > $tmp.netstat
+
+  echo 'IOPS:'
+  iostat -c -m -d -x `df -hT -x tmpfs|perl -ane 'm:^/: and print $F[0]."\n"'`
+
+  echo 'Top ip activity:'
+  cat "$tmp.netstat" | tail -n +2 | awk '$5~/^[0-9]/{gsub(/:.*/,"",$5);print $5}' | sort | uniq -c| sed 's/^ *//'|sort -nr -k 1 |head
+
+  rm -rf "$tmp"*
+}