gw basic commands

all properties are maintained, equivalent to the-RLPTGOD,-A option followed by a–no-option This means that one of the-rlptgod is closed, for example-a–no-l is equivalent to-rptgod-R subdirectories are processed recursively, primarily for directories, if a single file is not required to add-r, but the transmittedYes directory must be plus-r option-V Print some information, such as rate, number of files, etc.-L reserved Soft link-L treats the soft link as a regular file, and if there is a soft co

--SYSTOHC set the hardware clock to the current system time if one of the times is wrong, we can modify it by the above command. [[email protected] hzh]# Hwclock--hctosys Set the system time corresponding to the hardware time.[[email protected] hzh]# Hwclock--SYSTOHC set the hardware time corresponding to the system time. If two times is wrong, we can set the time ourselves [[email protected] hzh]# hwclock--set--data= "month/day/year: minutes: Seconds"Yum related operations:Yum install Yum check

another file or directory [Email protected] app]# cp/etc/passwd/app/[[email protected] app]# lspasswd[[email protected] app]# cp-r/etc/sysconfig/network-scripts//app///-r recursively copy directory and all internal content[[email protected] app]# lsNetwork-scripts passwd RM//delete files and directories [[email protected] app]# RM-RF *//r Force delete F Delete Directory MV//change file or directory commands or m

full class name and cannot be used in conjunction with class .4.4.2 TagsUse the JavaBean property to assign a value, but the JavaBean property to provide the setxxx () method. The syntax is as follows :Name: Specifies The reference name of the JavaBean .Property: Specifies The name of the attribute in the JavaBean. Param: Specifies the name of the parameter in the JSP request through which the JSP request parameter can be assigned to the JavaBean property. Value: specifies a property value

Article Title: Basic Linux commands and Tomcat maintenance. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source. Monitor the average CPU usage. After SSH to the Linux server, type uptime to display the CPU usage of 1 minute ago, 5

up (s) Vlanif1 172.10.10.1/24downdownThird, reconfigure IPEnter int vlanif 1 to re-execute IP Add, which will overwrite the previous IPIv. Web Management interface4.1. How to turn off Web management on the device4.2, how to change the default 80 management port to the otherV. PreservationVi. attentionafter the configuration is complete, be sure to Global Mode under SaveVii. More official learning materials of Huaweis5700s Console driver DownloadHow to use MINIUSB login device (VIDEO) to viewCo

lists all the rules in the table-Z: Clears the counter of the rule#iptables[-ttable]{-a|-d}chainrule-specification-a:append, attach a rule rule-specification: Match conditions -j processing mechanism matching criteria: (Universal matching) -s Match Source address, can IP, also can network address: can use! The operator takes the inverse,! 172.168.0.0/16 equivalent to NBSP;--SRC, or --source-d Match Destination address, can IP, also can network address: can use! The operator takes the invers

relate to the remote RepositoryGit Remote Protecting remote Files· Git remote· git remote addnew-branch http://git.example.com.tw/project.git # Add Remote Repository Branch (Origin->project)· Git remoteshow # show now how many Repository· git Remote Rmnew-branch # Erase· git remoteupdate # Update all Repository branch· git branch-r# lists all RepositorybranchCrawl /Swap Repository the branch· Git fetchorigin· git checkout--track-b reps-branch origin/reps-branch # crawl Reps-branch and set this

ASA 5505 ASA 5510 small and medium-sized enterprises5520 5540 5550 5580 large enterprisesASA is a Cisco product, formerly called PIX.650) this. width = 650; "src ="/e/u261/themes/default/images/spacer.gif "style =" background: url ("/e/u261/lang/zh-cn/images/localimage.png") no-repeat center; border: 1px solid # ddd; "alt =" spacer.gif "/> 650) this. width = 650; "src ="/e/u261/themes/default/images/spacer.gif "style =" background:

Division fa/ One-20 port is vlan20switch (config-if-range) #exitSwitch #show VLAN View VLANCISCO layer-3Configure the IP address of the VLAN10 and Vlan20 so that vlan10 and Vlan20 can communicate with each other. Switch (config) #InterfaceVlan10 into Vlan10Switch (config-VLAN10) #ip Address192.168.1.1 255.255.255.0Configure the IP address of the Vlan10 Switch (config-vlan10) #exitSwitch (config) #InterfaceVlan20 into Vlan20Switch (config-VLAN20) #ip Address192.168.2.1 255.255.255.0Configure the

Start shellThe GNU Bash Shell provides interactive access to Linux systems. He runs as a regular program and usually starts when the user logs on to the terminal. When you log in, you start the shell based on the user profile/etc/passwd./ETC/PASSWD contains a list of all system user accounts and basic information for each user. Eg: one of the entriesChristine:x:501:501:christine Bresnahan:/home/christine:/bin/bashDescriptionEach entry has 7 fields, se

{ *Listen8080; #端口改为客户端端口 $ server_name localhost;Panax Notoginseng -#charset koi8-R; the#access_log logs/Host.access.log main; + ALocation/ { theroot/nfs_share_server/server; #路径改为客户端共享NFS下的目录 + index index.html index.htm; - } $ $#error_page404/404. html; - -# REDIRECT Server error pages to theStaticPage/50x.html the # -Error_page - 502 503 504/50x.html;WuyiLocation =/50x.html { the root html; - } Wu 12. Client-ini

1① command line switch graphical interface: StartX ② display text conversion command line input: Localectl list-localesLocalectl Set-locale Lang=zh_cn.utf8 (Vice-en-us) View language locale③ View the shell type used:"#echo $SHELL2①SSH Protocol Secure Shell:"[Email protected]~" #ss-TNL(see if the system is listening on port 22 of the TCP protocol)View IP (ifconfig)3① Ensure that the firewall is turned off:~ "#iptables-L-NCentOS 7: (execution)~ "#systemctl Disable Firewalld.service (first disable

drive letter, only one root directory/Ls bin and usr store executable program boot store startup information, kernel and boot program grub dev device driver files, mouse, keyboard, network cards, etc. in Linux are called files etc Common configuration information home User home directory lib some libraries media u disk, such as mnt empty directory can be mounted opt empty, can be installed some software such as QQ root root user sbin executable usr executables, packages, c

together and treated as a whole; xy *abNote: The contents of the pattern in the grouping brackets are recorded in internal variables by the regular expression engine, which are named: \1, \2, \3, ...\1: From the left, the first opening parenthesis and the matching closing parenthesis to match the pattern between the characters; ab\+\ (xy *\)：\1:ab\+ xy *\2:xyBack reference: References the pattern in the preceding grouping brackets to match the character (not the pattern itself

System platform: ubuntu10.04 Brief introductionSqlite3 a lightweight database for embedded purposes, this article aims to provide technical documentation for familiar Sqlite3 basic commands.Note: All operations in this article are performed under Root. 1. Installation Sqlite3Ubuntu install sqlite3 directly in the terminal to run the command: #apt-get Install Sqlite3 To view version information: #sqlite3-version 2, sqlite3

ora_dbw0_orcl1 oracle 3634 1 0 22:48 ? 00:00:00 ora_lgwr_orcl1 oracle 3636 1 0 22:48 ? 00:00:00 ora_ckpt_orcl1 oracle 3638 1 0 22:48 ? 00:00:00 ora_smon_orcl1 oracle 3640 1 0 22:48 ? 00:00:00 ora_reco_orcl1 oracle 3642 1 0 22:48 ? 00:00:00 ora_cjq0_orcl1 oracle 3644 1 0 22:48 ? 00:00:00 ora_mmon_orcl1 oracle 3646 1 0 22:48 ? 00:00:00 ora_mmnl_orcl1 oracle 3648 1 0 22:48 ? 00:00:00 ora_d000_orcl1 oracle 3650 1 0 22:48 ? 00:00:00 ora_s000_orcl1Step3. Startup mountOracle instance started. --> Tota

Here are a few common basic SQL statements:1. Start and stop the database service:net start mysql_namenet stop Mysql_name2. Log in to MySQL command:- - p Enter Password3. View all databases in the current system:SHOW DATABASES;4. Create and delete databases:CREATE DATABASE database_name; DROP DATABASE database_name;5. View the data tables in the current database:SHOW TABLES;6. Create and delete data tables:CREATE TABLE table_name; DROP TABLE table_nam

restricts only the rows that are displayed.21. Connection TableAll tables to be joined must be listed in the From section of the SELECT statement, and the fields used for the connection must be displayed in the Where section.SELECT * FROM Companies,contacts where companies.company_id=contacts.company_idWhen a reference to a field name is ambiguous, you need to use the Table_name.column_name syntax to specify which table the field is from22. Multi-Table ConnectionAdd additional columns after the

data of the specified user are exported/imported.Export: $ exp user/pwd file=/dir/xxx.dmp log=xxx.log owner= (xx, yy)Export Data Objects only, do not export data (rows=n)$ exp user/pwd file=/dir/xxx.dmp log=xxx.log owner=user rows=nImport: $ imp user/pwd file=/dir/xxx.dmp log=xxx.log fromuser=dbuser touser=dbuser2Commit=y Ignore=y(3) All objects in the database are exported/imported as a whole library:$ exp user/pwd file=/dir/xxx.dmp log=xxx.log full=ycommit=y ignore=yImport: $ imp user/pwd fil