Linux

First, prefaceThis article mainly describes the concept of process prioritization. From the user space, the process priority is nice value and scheduling priorities, corresponding to the kernel, there are static priorities, realtime priority,

First, prefaceIn fact, two years ago, this site has a document about the process identity, but very simple, and the code is from the 2.6 kernel. With the introduction of the concepts of Linux container, PID namespace and so on, process

I now make a summary of the environment of the zookeeper, general zookeeper installation can have three modes, single-machine mode, pseudo-distributed and distributed, when the three modes of application specific to see everyone's use of the scene,

I'm here? Days ago determined such as Kali pit, but install Kali AH VM tools AH update ah made for several days. A summary of the various issues that arise during this period.1, Kali of the installation version selectionOn the official website to

Original link: http://blog.csdn.net/xyang81/article/details/51568227Ansible Introduction: Ansible is a simple and efficient automated operation and maintenance management tool, developed in Python, can be used in large quantities to manage n

Task Manager under Windows is not easy to use (individuals prefer Process Explorer), but it is also convenient to view processes, CPU, memory ... It's also easy to end the processThere is no GUI Linux, there are commands to implement Windows Task

Method of configuring XAMPP under Linux-deppin (All) 1, first download XAMPP Linux version from official websitehttps://www.apachefriends.org/download.htmlRun[email protected]:/$ sudo ./xampp-linux.runTutorial Address (I extract from this, but also

Crontab-lCrontab-eExecute */5 every five minutes * * * *Executes 0 per hour * * * *Execute 0 */2 per 2 hours * * *Executes 0 0 * * * per dayWeekly Execution 0 0 * 0Monthly execution 0 0 1 * *Annual Execution 0 0 1 1 *Asterisk (*): represents all

First, how to install VSFTP on the Linux server does not say more, directly describes how to configure security;Second, edit vsftp.conf fileKey configuration items are as follows:Anonymous_enable=no/prohibit anonymous user

When using Linux, file lookups are often required. The commands you find are primarily find and grep. Two commands are of a district.　　The Difference : (1) The Find command is based on the attributes of the file , such as file name, file size, owner,

? RAID disk array? Redundant array of Inexpensive disks–redundant Arrays of Inexpensive Disks– Through hardware/software technology, multiple small/low-speed disks are integrated into oneA large disk– Value of the array: increased I/O efficiency,

The Linux system is controlled by the cron (Crond) system service. Linux systems have a lot of planned work on them, so this system service is started by default. In addition, because the user can set up scheduled tasks themselves, the Linux system

　　The Killall command in a Linux system is used to kill a process with the specified name (kill processes by name). We can use the KILL command to kill the process of the specified process PID, if we want to find the process we need to kill, we also

The local user name needs to be the same as the user name of the SSH server1. Load the private key file on the serverSsh-add Wang_rsa2, if the system prompt: Could not open a connection to your authentication agentSsh-agent BashAnd then perform the

Mode one: SCP"Advantages" simple and convenient, safe and reliable; Support speed limit parameters"Disadvantage" does not support exclude directoriesUsageThe SCP is secure copy, which is used for remote file copying. The data transfer uses SSH and

(Nagios)-check_openmanage [Dell],Nagios-> check_openmanage [Dell R7 *] Requirement Description at on June 14: monitoring the hardware status and environment information of the Dell R7 Series servers through Nagios: Nagios monitoring host: xxx. xxx.

Liunx installation of docker 7 tutorial, liunxdocker The following tutorial is for version 1.7.1, which requires installation of Version 12 or above. Refer to the next tutorial. Yum install-y epel-release Yum install docker-io # install docker #

Common commands for Linux O & M: du and Common commands for linux: duThe commonly used du-sh * Linux du command is also used to view the space, but unlike the df command, the Linux du command is used to view the space used by files and directory

Project Practice: 2.2-Implementation of nginx reverse proxy load balancing, dynamic/static separation, and cache, 2.2 nginx   General Project Flowchart, See http://www.cnblogs.com/along21/p/7435612.htmlExperiment 1: Implementing reverse proxy load

Differences between CentOS commands usermod, chown, and chmod For Linux beginners, I often confuse the differences between chown and chmod. This blog is for reference.Usermod is used to modify the UID, GID, and groups of a user. Usage: Usermod-u 99