shell_【常用】

ps  -ef | grep "common" | cut -c 9-15 | xargs kill -9

一次kill 多个进程

ifconfig|grep "inet addr:"|grep -v "127.0.0.1"|cut -d: -f2|awk '{print $1}'

获取本机IP

脚本执行完 执行

trap "echo 123" exit

shell 获取随机数
cat /dev/urandom |od -x |tr -d ' ' |head -1

00000007b041324b4ae4ed46ec6f5b2ba15c42b
00000208d92144803e264dd2c0dc654489c796b
000004019f2ddfa234ec132baf8bf9dc805beac
00000609ffa88090f46f563dd93a38eb16feba1

 

磁盘空间
[work(lijiabin01)@tjtxvm-204-4 ~]$ du -h /home/work/lijiabin
4.0K    /home/work/lijiabin/dir01/sub/sub1
8.0K    /home/work/lijiabin/dir01/sub
12K    /home/work/lijiabin/dir01
24K    /home/work/lijiabin/ltest
15M    /home/work/lijiabin


[work(lijiabin01)@tjtxvm-204-4 ~]$ du -hs /home/work/lijiabin
15M    /home/work/lijiabin


[work(lijiabin01)@tjtxvm-204-4 ~]$ df -h /home/work/lijiabin
Filesystem      Size  Used Avail Use% Mounted on
/dev/xvda2       62G   11G   49G  18% /

 

 

 

#!/bin/bash
# sh lhck_infotop_bak.sh  "/opt/data/infotop/logs/payOrder.log.2016-05-08"

filename=`basename $1`;
HOSTS=(10.48.166.152 10.48.184.50 10.48.184.56)
for((i=0;i<${#HOSTS[@]};i++))
do
        printf "\033[0;36;40m%3d\033[0;32;40m: =============== \033[0;33;40m%-18s \033[0;32;40m===============\033[0m\n" $i ${HOSTS[i]}
        desc="scp -r $1 work@10.48.204.4:/home/work/lijiabin/"$filename"_${HOSTS[i]}" ;
        ssh ${HOSTS[i]} "$desc"

done

exit 0

 

BEGIN_TIME="2016-05-15 00:00:00";
END_TIME="2016-05-16 00:00:00";

time_begin=$BEGIN_TIME;

tmp="(1000,10010)";
while [ `date -d"$time_begin" +%s` -le `date -d"$END_TIME" +%s` ]
do
        echo "----->$time_begin"
        time_begin=`date -d"$time_begin +1 day" "+%Y-%m-%d 00:00:00"`;
        SQL="select count(*) from topinfo_topinfo where source in $tmp ;";
        /usr/bin/mysql -htopinfo-s.db.58dns.org --port=58885 -utopolr58user dbwww58com_topinfo --default-character-set=utf8 -p'qy#u$#3sfuHn$qJe' --skip-column-names  -e"$SQL" ;
done

 

 

starttime=`date -d '1 days ago' "+%Y-%m-%d 00:00:00"` #昨天
endtime=`date -d today "+%Y-%m-%d 00:00:00"` #今天

修改系统时间 sudo date -s "2016-07-21 20:24:00"

 

根据文件 file 的第一列去重 ，指定分隔符 -t ' '
sort -k 1,1 -u file

sort -k2 t.log |awk -F" " '{if($2 == VALUE ){print "---"$0} else {VALUE =$2;print $0} }' 

根据文件 t.log 的 第二列排序，然后 根据 awk 分别获取重复行 和非重复行