【原创】Linux常用脚本

#1、启用停用VIP

sudo /etc/ha.d/resource.d/IPaddr 10.10.10.10 start
sudo /etc/ha.d/resource.d/IPaddr 10.10.10.10 stop

 #2、查看MySQL QPS

mysqladmin --login-path=local -r -i  -c  ext |\
awk -F"|" \
"BEGIN{ count=0; }"\
'{ if($2 ~ /Variable_name/ && ((++count)%20 == 1)){\
    print "----------|---------|--- MySQL Command Status --|----- Innodb row operation ----|-- Buffer Pool Read --|-- slowqueries --";\
    print "---Time---|---QPS---|select insert update delete|  read inserted updated deleted|   logical    physical|   slowqueries";\
}\
else if ($ ~ /Queries/){queries=$;}\
else if ($ ~ /Com_select /){com_select=$;}\
else if ($ ~ /Com_insert /){com_insert=$;}\
else if ($ ~ /Com_update /){com_update=$;}\
else if ($ ~ /Com_delete /){com_delete=$;}\
else if ($ ~ /Innodb_rows_read/){innodb_rows_read=$;}\
else if ($ ~ /Innodb_rows_deleted/){innodb_rows_deleted=$;}\
else if ($ ~ /Innodb_rows_inserted/){innodb_rows_inserted=$;}\
else if ($ ~ /Innodb_rows_updated/){innodb_rows_updated=$;}\
else if ($ ~ /Innodb_buffer_pool_read_requests/){innodb_lor=$;}\
else if ($ ~ /Innodb_buffer_pool_reads/){innodb_phr=$;}\
else if($~/Slow_queries/){slow_queries=$;}\
else if ($ ~ /Uptime / && count >= ){\
  printf(" %s |%9d",strftime("%H:%M:%S"),queries);\
  printf("|%6d %6d %6d %6d",com_select,com_insert,com_update,com_delete);\
  printf("|%6d %8d %7d %7d",innodb_rows_read,innodb_rows_inserted,innodb_rows_updated,innodb_rows_deleted);\
  printf("|%10d %11d",innodb_lor,innodb_phr);\
  printf("|%11d\n",slow_queries);\
}}'

#3、进程号占用的swap

awk '/^Swap:/ {SWAP+=$2}END{print SWAP" KB"}' /proc/$(pid)/smaps

#4、查看swap使用的进程和内存

for i in $( cd /proc;ls |grep "^[0-9]"|awk ' $0 >100') ;do awk '/Swap:/{a=a+$2}END{print '"$i"',a/1024"M"}' /proc/$i/smaps 2>/dev/null ; done | sort -k2nr | head -10