Shell

Copy Code code as follows: #/bin/bash # History After #把以下代码直接粘贴到/etc/profile user_ip= ' who-u am I 2>/dev/null| awk ' {print $NF} ' |sed-e ' s/[()]//g ' Histdir=/var/log/.hist If [-Z $USER _ip] Then User_ip= ' hostname ' Fi if [!-D

Method One: Copy Code code as follows: Echo ' echo {a.. Z} ' echo {A.. Z} ' >/tmp/letterfile While Read-p ' please input a letter: ' Letter Todo ((' Awk-v var= "$letter" ' Begin{print length (var)} ' = = 1)) && grep-q

The first idea, with iptables the external network SSH packet drop off;The second idea, with Tcpwrapper to sshd allow write death;The third idea, revise sshd_config, only listens intranet request. Due to some unclear reasons, the iptables approach

Recently in the debugging server iptables, oneself made a timed turn off iptables, but at night home rarely open a computer, so can not go to start iptables, of course, you may say, why not cancel timed shutdown iptables, I can only say that

The recent local virtual machine space is always backed up to fill, in order to lazy don't want to log up every day to clear, just write this automatic cleanup script. System: CentOS 5.x Script content: Cat make_room.sh Copy Code code as

Company colleagues today to find me help modify the filename, I see, well, hundreds of files to rename, file name format is _01.png _02.png so in turn, colleagues asked the front of the "_" to remove, fortunately, the request is simple, did not let

Sometimes you need to compare files consistently in your work, and you can do it with the following script (simpler): share it, hoping to help friends with the same needs Copy Code code as follows: #!/bin/bash #对比服务器上文件是否一样 # Richard

The company's recent server testing, the need to constantly adjust the system time, one or two is ok half, a little more points, on a variety of entanglements, the author of these several sets of the author is going crazy. Eldest brother: All speed

Copy Code code as follows: useradd.sh #!/bin/bashFor name in Tom Joy John Mark JamesDo Useradd $nameecho "Redhat" | passwd--stdin $nameDone OK, after the execution, the new user will be automatically created Tom, Joy, John, Mark, James,

Copy Code code as follows: #!/bin/sh While Sleep 30 Todo Squidnum= ' Ps-ef|grep squid|grep-v grep|wc-l ' #HttpNum = ' netstat-an|grep 0.0.0.0:80|grep-v grep|wc-l ' #80状态 If [$SquidNum!= 3]; Then /etc/rc3.duid start Adddate= '

Copy Code code as follows: amosli@amosli-pc:~/learn$ script-t 2> timing.log-a output.session# start recording Script started, file is Output.session amosli@amosli-pc:~/learn$ Hello1 No command ' hello1 ' found, did you mean: Command ' Hello

C File Printpid.c Copy Code code as follows: #include #include #include #include #include static __init int printpid (void)//install module functions{struct Task_struct *task,*p;struct List_head *ps;int count=0;PRINTK

1. A streamlined script for automating the deployment of systems, with the main function of cleaning up all directory logs 2. According to the given log directory, delete time combined with crontab to clean the log, clean up after completion, after

Copy Code code as follows: #!/bin/bash # #chkconfig: 35 88 14 #description: Tomcat Auto Start script #script by Okhelper Case "$" in Start echo "Here is start script ..." java_home=/usr/jdk1.6.0_13; Export Java_home Jre_home= $JAVA

Sample Resources Listsuch as Url.txt: Copy Code code as follows: Http://su.bdimg.com/static/superplus/img/logo_white_ee663702.png Http://su.bdimg.com/static/superplus/img/logo_white_ee663703.png

My operating system is centos6.4. Operating system: Rhel 6.2 x86_64 Download and install the Putty software package, I downloaded the putty-0.62-1.el6.rf.x86_64.rpmDownload the address below: HTTP://RPM.PBONE.NET/INDEX.PHP3 1. Remote Host IP

Recently the World Cup has come, has been busy between work and the World Cup, there is no time to manage my blog, today can only be the whole simple small shell to everyone. The company asked to delete one months before the backup file, so that the

Recently in the debugging server iptables, oneself made a timed turn off iptables, but at night home rarely open a computer, so can not go to start iptables, of course, you may say, why not cancel timed shutdown iptables, I can only say that

Copy Code code as follows: #!/bin/bash Echo-e ' Date +%y%m%d%h%m ' Echo-e "Pid\t\tswap\t\tproc_name" # Take out all directories in the/proc directory (the process name is the number is the process, others, such as sys,net, etc. store

Copy Code code as follows: #/bin/bash #该脚本用于统计硬盘空间和表空间的使用情况, and Mail out #初始化环境变量 Source/home/oracle/.bash_profile #获得本机ip ip= '/sbin/ifconfig eth0 | grep bcast | Cut-d:-F 2 | Cut-d ""-F 1 ' #切换到本脚本目录 cd/home/oracle/shell/