18 command line tools for Linux performance monitoringDaily monitoring and debugging of Linux system performance is a heavy task for the system and network administrators. Five years after working as a Linux system administrator in the IT field, I gradually realized how difficult IT is to monitor and keep the system up and running. For this reason, we have compiled the list of 18 most commonly used
file2Comm displays both public and non-public rows of two ordered files comm file1 file2Number of characters, number of words, and number of lines in WC statistics file WC filenameNL adds line number to file NL file1 >file2Process actions:Command name function Description Use examplePS Display process Current state PS UKill terminates the process kill-9 30142Time Operation:Command name function Description Use exampleDate Displays the current date an
Typically, when used for remote coordination, a remote command-line toolkit that is used by the Windows platform is used, such as the presence of an SCP in the package that allows remote execution of commands, such as copying or executing other corresponding scripts.and rela
program argument list and exit--no-defaults do not read the default options from the any options file--defaults-file=# only read default options from the given file #--defaults-extra-file=# read this file after the global files is readVariables (--variable-name=value)and Boolean options {false| TRUE} Value (after reading options)--------------------------------- -----------------------------Auto-rehash TRUECharacter-sets-dir (No default value)Default-character-set UTF8Compress FALSEDatabase (No
How can we prevent Windows command line tools from being abused by hackers?
By default, various commands are installed in Windows, but only a small part of them are actually used by common users. JPCERT/CC also finds that attackers use Windows commands to collect system information and spread malicious viruses when they intrude into the target network.
It is worth noting that the Windows commands used by co
, switches, routers, and printers within a single window. It can warn of danger and indicate whether there is an exception to the system/server, which can indirectly help you to take rescue measures before the problem occurs.For more information, see : Install Nagios monitoring System to Monitor Remote linux/windows HostsWe want to know: What monitoring program are you using to monitor the performance of your Linux server? If we missed the tool you th
conveniently import your data. Of course, this saves the trouble of typing.
Load data infile: This is the last method to import DATA to the MySQL database. This command is very similar to mysqlimport, but this method can be used in the mysql command line. That is to say, you can use this command in all the programs th
Reference Source: Click here to view1. Connect to the FTP serverFormat: FTP [hostname| ip-address]A) under the Linux command line, enter:FTP 192.168.1.1b) The server asks for your user name and password, enter the user name and the corresponding password, respectively, to be certified.2. Download the fileThe download file usually uses the get and mget two commands.a) GetFormat: Get [
1. Docker command lineDocker is an interactive tutorial designed to help users master the use of Docker command lines in order to get a quick overview of Docker. But thanks to the rapid development of Docker technology, this interactive tutorial has been unable to meet the actual needs of Docker users, so let's start a real command-
--rebase Origin master7 • Push the contents of the local library to the remote, using the git push command, and actually push the current branch master to the remote. After executing this command, you will be asked to enter a user name, password, and upload after verification.Execution: Git push-u origin Master8 · If y
Today, I saw the introduction on the Internet and used the command line to send and receive emails.
Receive email:
Open the "run" dialog box in the "Start" menu and enter the telnet command and the remote server port number, for example:
Telnet pop3.163.com 110 will establish a connection with "Netease 163 free mail" p
Supervisord client, which is a command-line tool that allows the user to send instructions to the Supervisord service, such as viewing the status of a child process and starting or closing a child process. It can connect different Supervisord services, including services on remote machines. 3. Web server This is a Supervisord Web client that allows users to perf
host. When you log on again, you can run:
$ screen -r
Your session will start again and all the previous terminals will be available (provided that no one shuts down the screen process or restarts the host ). You can find more useful information on the Screen help page.
The alternative tool for screen is Tmux, which is more powerful and more complex and useful for sharing screens among multiple users. A common application is remote mutual programming
How to listen to a network radio station in a Linux Command Line
For system administrators and Linux fans who spend a lot of time on Linux screens, music on the Network/local station can greatly improve productivity, do you know? Whether you believe it or not, a sound in your work environment, such as music or chatting, can improve our creativity. If you like to work in a music environment, this tutorial ma
attachment: linux mysql allows remote connection
/Usr/local/mysql/bin/mysql-u root-p (enter mysql) use mysql; SELECT 'host', 'user' FROM User; UPDATE user SET 'host' = '%' WHERE 'user' = 'root' LIMIT 1; flush privileges; Be sure to enter ";" in the mysql command line format ";". v can be made after configure.
Linux mysql
Make install note that the full path of
Use the VirtualBox command line management interface on Linux
VirtualBox has a set of command line tools. You can use the command line interface (CLI) of VirtualBox to manage virtual machines on remotely unbounded servers. In this
Linux: Command Line and Common commands1.1 command line operations1.1.1 Shell IntroductionBefore learning shell, let's first understand what Shell is, what functions can Shell complete, and what are common shell types? Why use Shell?Shell is an interface between a user and a Linux operating system. In the encyclopedia,
ports, active hosts, or operating systems that exist on the local network. It is useful when you are reviewing a local host vulnerability or establishing a host mapping for maintenance purposes. Zmap is a similar alternative to an Internet-wide scanning tool. (LCTT: Extended reading.) )
Ping: A common network testing tool. Its function is realized by exchanging the Echo and reply messages of ICMP. It is useful for measuring the rtt of a route, the packet loss rate, and the detection of
Often to deploy multiple servers above the application, if a machine's login too cumbersome.
All just think about writing a script to deploy different servers
Prerequisites:
Configuring SSH Login Free
If not, please join me in another article http://blog.csdn.net/chenpy/article/details/30281515
(1) The command line executes the login and executes the command on
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