tripwire ops

:43localhostyum[29341]: updated:glib2-2.28.8-9.el6.i6867. How do I print the line number and content of the nginx.conf content of the configuration file?Act 1:[Email protected] conf]# NL nginx.conf 1 user nginx;2 worker_processes 4;3 4 #pid/var/run/nginx.pid;5 6 Events {7 Worker_connections 5000;8 #use Epoll; 9} ........ .......Act 2:[Email protected] conf]# cat-n nginx.conf 1 user nginx;2 worker_processes 4;3 4 #pid/var/run/nginx.pid;5 6 Events {7 Worker_connections 5000;8 #use Epoll; 9} 10 ...

), IOzone (disk test)Log Related: Rsyslog,awstats,flume,storm,elk (Elasticsearch+logstash+kibana)Search Software: SPHINX,XAPIAN,SOLRUnattended: Kickstart,cobblerSoftware Installation: Rpm,yum (design rpm package customization and Yum warehouse construction)Big Data: Hdfs,hive,hbase,zookeeper,pig,spark,mahout,flume,sqoopDevelopment language: Shell,python,go============================================================================================The next stage requires enhanced learning:2017 Lin

(Diskio (M.group (1), M.group (2 )) line=f.readline () time.sleep (1) forIteminchL:Print "%-10s%10s%10d%10d"%(Item.pname, Item.pid, Item.reads, item.writes)defSignal_handler (signal, frame): Os.system ('echo 0 >/proc/sys/vm/block_dump') sys.exit (0)if __name__=="__main__": Main ()Output Result: [Email protected] python]#.diskio.pytask PID READ writedmesg3018 0 0DMESG3170 0 0DMESG3172 0 0jbd2/sda6-8 the 0 3DME

: [ OK ]starting sshd: [ OK ]VI. Verification6.1 Log in on CLIENT1 and delete files (Zhangsan)6.2 Log on CLIENT2, delete files, and execute a command to restart the service (LISI)6.3 Go to the server to view the following messages log, the content is as followsThrough, you can see, not through the user's client through the public key login way, identify who operated what, when to operate.(Note: The 4th pa

directory is/users/magedu, and then su switch to this user, copy multiple files to the home directory;# useradd-d/users/magedu magedu# su magedu# cp-r/tmp//users/magedu15, expand MYLV1 to 9G, ensure that the original data is fully available after the expansion;#lvexpand-L 9G/DEV/MYVG/MYLV116, reduce MYLV1 to 7G, to ensure that the original data is fully available after the completion of the reduction;# UMOUNT/DEV/VGTEST/MYLV1# e2fsck-f/DEV/MYVG/MYLV1# RESIZE2FS/DEV/MYVG/MYLV1 7G# lvreduce-l 7G/

Operational commands for some Linux usersUseradd Creating a userAddUser Creating a userpasswd Password Change commandUsermod Change the user name, and the user directoryUserdel Deleting a userID shows the user uid and GIDGroupadd Creating a user groupGroupdel Deleting a user groupGroupmod changing user group name informationGroups displays the group to which the user belongs/etc/skel When a user creates a new user and defaults to the location of the configuration/etc/login.defs is used to define

Super depth of the shell advanced programming practice, as of the current Shell programming courses in the domestic training institutions The most fine courses, do not believe in the level of students to see the performance. course cows are not cattle, not to see the teacher, schedule, but to see the level of training students, at present, all free of the partners hurriedly see AH. Enterprise Combat Problem 6: Please use at least two ways to achieve!Write a script to solve the DOS attack product

Enterprise Face question 11:The shell scripts were developed to compare 2 integer sizes in the same way as script arguments and read reads. Alerts users to compare results in a screen-out manner.Note: Altogether is the development of 2 scripts. When a script is used to pass a parameter and read in the way it needs to determine whether the variable is a number, and how many parameters to pass. My script =========================#read读入方式#!/bin/Bashread-P"pls input num1:"Num1read-P"pls input num2:

Tags: mkdir class date ycm programming cmd databases log backEnterprise Actual combat Problem 8: How to implement the MySQL database for sub-library backup, please use the script to implementMy script =========================#!/bin/Bashbakpath=/server/Backupmyuser=Rootmypass=Oldboy123socket=/data/3306/Mysql.sockmycmd="Mysql-u$myuser-p$mypass-s$socket"Mydump="mysqldump-u$myuser-p$mypass-s$socket-x-b-f-R"[ ! -D $BAKPATH] mkdir-P $BAKPATHDBLIST= ' $MYCMD-E"show databases;"|sec 1d |Egrep-V"_schema|

Enterprise Actual Combat Problem 9: How to implement the MySQL database sub-Library plus table backup, please use the script to implementMy script =======================#!/bin/Bashbakpath=/server/Backupmyuser=Rootmypass=Oldboy123socket=/data/3306/Mysql.sockmycmd="Mysql-u$myuser-p$mypass-s$socket"Mydump="mysqldump-u$myuser-p$mypass-s$socket-x-f-r"[ ! -D $BAKPATH] mkdir-P $BAKPATHDBLIST= ' $MYCMD-E"show databases;"|sec 1d |Egrep-V"_schema|mysql"` fordbnameinch$DBLIST DoTLIST= ' $MYCMD-E"show tabl

[6].Split(' ')[3])) Else: Date. Append (float_item) #calculate CPU usage Percen Tage forIteminch Date: Rate.append (item/cpu_total) * -) mean= ['%us','%ni','%sy','%id','%wa','%CPU_IRQ','%CPU_SIRQ'] #calculate CPU usage percentage result =map (None,rate,mean) return resultif__name__ = ='__main__': Hosts= ['192.168.10.1','192.168.10.2'] forHostinchHosts:print'=========='+ Host +'=========='result=getDate (host) Print'Cpu (s)', #print result forIinchRan

Lynis Security vulnerability Detection Tool https://cisofy.com/download/lynis/https://cisofy.com/files/lynis-2.2.0.tar.gzCommand: sudo./lynis--check-all-qsudo grep warning/var/log/lynis.logsudo grep suggestion/var/log/lynis.logsudo vi/etc/cron.daily/scan.sh#!/bin/shauditor= "Automated" date=$ (DATE +%y%m%d) host=$ (hostname) log_dir= "/var/log/lynis" report= "$LOG _dir/ Report-${host}.${date} "data=" $LOG _dir/report-data-${host}.${date}.txt "cd/opt/lynis./lynis-c--auditor" ${AUDITOR } "--cronjo

The purpose of the experiment is to bind the two NICs, and solve the load balancing and automatic switching. Linux operating system 6.5,bond0,eth1,eth2. Bond0 10.10.9.126 eth1 no eth2. The configuration is as follows: cd/etc/sysconfig/network-scripts//Enter the network configuration file CP ifcfg-eth0 ifcfg-bond0/Copy ifcfg-eth0 renamed to ifcfg-bond0 the original Ifcfg-eth0 continues to exist Configure IFCFG-BOND0Device=bond0Bootproto=noneOnboot=yesipaddr=10.10.9.126dns=202.106.196.

The purpose of the experiment is to bind the two NICs, and solve the load balancing and automatic switching. Linux operating system 6.5,bond0,eth1,eth2. Bond0 10.10.9.126 eth1 no eth2. The configuration is as follows: cd/etc/sysconfig/network-scripts//Enter the network configuration file CP ifcfg-eth0 ifcfg-bond0/Copy ifcfg-eth0 renamed to ifcfg-bond0 the original Ifcfg-eth0 continues to exist Configure IFCFG-BOND0Device=bond0Bootproto=noneOnboot=yesipaddr=10.10.9.126dns=202.106.196.

out the statements in the Crontab24, use a command to see the current system has started the service listening to the port25. Use the Linux system command to count the number of connections to the establish state26, a ext3 file partition, when using touch new file times wrong, the error message is that the disk is full, but use df-h to view the partition information only used 50%, please analyze the specific reason27. List common packaging tools and write the corresponding decompression paramet

Save to keep your goals and learning tasks clear.Photo Excerpt: http://baidu.blog.51cto.com/71938/1683613650) this.width=650; "src=" Http://s3.51cto.com/wyfs02/M02/71/84/wKioL1XS_CqC_igcAAEMPU9dZ40041.jpg "title=" Primary Linux operations "style=" Float:none; "alt=" wkiol1xs_cqc_igcaaempu9dz40041.jpg "/>650) this.width=650; "src=" Http://s3.51cto.com/wyfs02/M01/71/84/wKioL1XS_CnxQF0FAAIjxVdvNFM349.jpg "title=" Intermediate Linux Operations "style=" WIDTH:730PX;HEIGHT:461PX; "width=" 730 "height=

/mysql.sock B. Configuring sync parameters from Library change mastermysql> CHANGE MASTER TO -> MASTER_HOST=‘192.168.1.115‘, 主库的IP -> MASTER_PORT=3306, 主库的端口，从库端口可以和主库不同 -> MASTER_USER=‘rep‘,主库上建立的用于复制的用户rep -> MASTER_PASSWORD=‘123456‘, 这里是rep的密码 -> MASTER_LOG_FILE=‘mysql-bin.000036‘,这里是show master status;查看到的二进制日志文件名称注意不能有空格。 -> MASTER_LOG_POS=335;这里也是show master status时看到的二进制日志偏移量注意不能多空格。C. Turn on the sync switch from the library to view the sync statusstart slave;show slave status\GMysql D

numpy as np import matplotlib.pyplot as plt import tensorflow as tf # 手写体数据集 加载 from tensorflow.examples.tutorials.mnist import input_data mnist = input_data.read_data_sets("/home/lizhen/data/MNIST/", one_hot=True) sess=tf.Session() #选取数据 4D images = mnist.train.images img_raw = images[0,:] # [0,784] img=tf.reshape(img_raw,[-1,28,28,1]) # img 现在是tensor # 绘图 def fig_2D_tensor(tensor):# 绘图 #plt.matshow(tensor, cmap=plt.get_cmap('gray')) plt.matshow(tensor) # 彩色图像 # plt.colorbar() #

the previous version, will coexist with the old version, download the latest ssms;??????? Starting with SQL Server 2017, Microsoft released a cross-platform, and SQL Server started supporting Windows, Linux, and Docker versions. Because of this, a tool is needed to simplify cross-platform development, and Microsoft has launched a new project that publishes a cross-platform database development tool, SQL Operations Studio (sqlops). The tool is a branch of visual Studio code that can run on Windo

[[emailprotected] shell]# echo $VAR123[[emailprotected] shell]# VAR+=456[[emailprotected] shell]# echo $VAR123456All variable references in the shell use the $ character followed by the variable name.Sometimes an individual special character can affect a normal reference, so you need to use ${var}, for example:The result is copied as a variable:The inverse apostrophe here is equivalent to $ (), which is used to execute the shell command.The difference between a single quote and a double quote:Th