Required: Delete the specified file 2 days before LinuxFind FileProblem: There are a large number of temporary files containing picture_* in the TMP directory, which cleans up files a day before 2:00 every night. Before running the following script
1. View the network ports for the abnormal connections and their corresponding processesNETSTAT-ANLP | grep EST2. Look at the location of the executable file corresponding to the process IDPS 2393 can see where the executable file of the process is?3
Editing some files under Linux, this involves the VI editor. Under Linux, the initial use of VI is a problem, that is, when using the arrow keys in edit mode, does not make the cursor move, but in the command line appears [A [B] [C [d] letters, and
Common linux compression commands and linux compression commandsCommon linux compressed file extensions
*. Z files compressed by the compress program;
*. Files compressed by the gz gzip program;
*. Bz2 bzip2 files compressed by the program;
* The
Common Linux Network Tools: netcat for batch host service scanning and netcat for host service
Netcat, also known as Swiss Army knife, is a common network tool used by hackers and system administrators. It was initially developed to transfer files
How to save the SVN account password in Linux
In Linux, when SVN is used for updates and other operations, the user name and password are always prompted, which is inconvenient. Therefore, I searched the solution and summarized it as follows:
Open
Common Linux Network Tools: nmap for batch host service Scanning
In Linux, there are many powerful network scanning tools, including host scanning, host service scanning, and route scanning.
You have previously written common host scanning and
Linux Initialization and Startup Process
We only need to click the application icon to run the program, but before that, we must start our system. Before everything is done, we must have some programs to guide the kernel of our system. These
Detailed description of ethtool commands
Command description:
Ethtool is a command used to query and SET network interface card parameters.
Usage Overview:Ethtool ethx // query the Basic settings of the ethx network port. x indicates the ID of the
Ubuntu system cooling solution
If you install Ubuntu, you may have installed the system but do not know or do not pay attention to it. Your computer will be very hot. One of the main reasons for this fever is the hard disk fever. Therefore, the
Fedora 22 How do users install VLC media player
The installation of Fedora 22 is good, but there are still some problems. When playing the rmvb video, the sound is not synchronized with the screen. I have encountered it before. Fortunately, VLC can
Configure JMX in ActiveMQ5.10.2
One of the features of ActiveMQ is that JMX is well supported. Through JMX MBeans, you can easily monitor and control the ActiveMQ broker.
In view of the JMX features provided by the official website, the
Getting started with Linux: Configuring PCI pass-through on a virtual machine
Q: I want to assign a physical Nic to a VM created with KVM. I plan to enable the PCI pass for the NIC for this virtual machine. How can I add a PCI device to the virtual
Set the port range for Linux/Windows
Set the port range for Linux/Windows
Recently, the program failed to start because the port occupied the listening port. Therefore, I checked some information and saw where to set it.
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Install SystemTap-2.6 on CentOS 5.8
Recently, in order to analyze the performance of a company's nginx + lua application, we need to use the nginx-lua analysis script of chunshen, so we can immediately build it.
Environment:
CentOS 1, 5.8
Lua 5.2.
Linux regular expression-character Span
Metacharacters allow you to specify repeated characters. Consider the following expression:11*0It will match each of the following rows:101101111101111111111111111111111111110These metacharacters make the
Spark is fast at the cost of losing the correctness of computing results.
Yes, Spark is fast. However, it does not guarantee that the calculated value is correct, even if you only need to accumulate simple integers.
One of Spark's most famous papers
Set up NFS in Linux
Notes on setting up the NFS service in Linux.
1. Check whether the portmap and nfs installation packages have been installed on the server.
The check method is as follows:
Rpm-qa | grep portmap if the following portmap-4.0-65.2.2.
A benefit of replacing executable programs with scripts in Linux scheduled tasks
Because you need to modify the import program, it is an advantage to find that the Linux scheduled task uses scripts instead of executable programs.
The Linux server
Configure Jenkins + Maven + Git for continuous integration and automatic deployment
PrefaceThe concept of continuous integration has become the mainstream of software development. It can be tested more frequently to detect problems and prompt them
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