Linux

What is the 1th chapter Crond?Crond is a service or software that a Linux system uses to perform regular commands or specify program tasks. In general, after we install the Centos5/6linux operating system, the Crond Task Scheduler service is started

Here is the information about the Linux command df:DF Command:The function of the DF command in Linux is to check the disk space usage of the Linux server's file system. You can use this command to get information about how much space the hard disk

Blacklist {Devnode "^SDK"}Defaults {User_friendly_names No}multipaths {multipath {Wwid 360080e50002c8e94000014a356a18b17Alias Mpath0}multipath {Wwid 360080e50002c8e940000137355e20951Alias Mpath1}multipath {Wwid 360080e50002c90ec0000132955e20707Alias

Chattr: Profile Hiding properties (Note:chattr command only takes effect on EXT2/EXT3 file system )Syntax: chattr [+-=][asacdistu] file or directory nameParameters:+: Add a special parameter, other existing parameters are not moved.-: Remove a

1. File and Directory management commands#ls file, directory lookup#cp files, directory replication#mkdir Directory Creation#pwd Path Query#mv file Movement#cat displaying file contents#rm Delete a file or directory2. Linux system architecture/root

With read-only, you can leave the entire mysqld instance in a read-only state, but be aware that there is no limit to read-only for super users with full permissions. Therefore, we can only provide access to ordinary users.Read-only can be used for

The Red Hat series Linux distribution hostname is stored in the/etc/sysconfig/network,ubuntu Linux hostname location is/etc/hostname, so you can permanently modify the computer name as long as you modify the host name to store the fileFor CentOS,

1, if only modify hostname can be by the following commandHostnameNote: This modification is only valid until the server restarts and the hostname expires, returning to the original hostname.2. If you need to permanently modify hostname, you can use

Top command belongs to PROCPS, project address http://procps.sourceforge.net From a tall man's blog to see, he summed up a bit to do a memo Common Interactive Commands Execute Top command Z: Turn color display on/offX: Highlight Row sequence 1: Show

One of the biggest advantages of Linux with respect to Windows is that the process of installing a Linux installer only has the process of copying files. There is no process for writing the register, so the Linux system will only have to back up the

today, when building samba services under Linux, there are a few problems, after many attempts, finally successfully resolvedproblem: Build Samba service on Linux and compile vim/etc/samba/smb.conf after completion;1> When testing access to a shared

RAID introduction, RAID 5 　　 I. Introduction to RAID Disadvantages of traditional disks: Poor IO performance and poor stability. Components that affect computer performance generally include: CPU, motherboard bus IO, memory IO, hard disk IO, and nic

Daemon and linux daemon Why do you want to introduce a daemon:   Because of its long lifetime, it runs tasks independently of the control terminal and session cycle (as described below: In linux, every interface on which the system communicates

How does one find the command path in linux? In linux, we often use commands such as cd, grep, and vi. Sometimes we need to find the location of these commands. How can we do this? In linux, there are two commands to complete this function:Which,

Mount the disk to an existing path. The file in the path cannot be displayed. Add Disk: Disk/dev/sdb: 1073 MB, 1073741824 bytes255 heads, 63 sectors/track, 130 cylindersUnits = cylinders of 16065*512 = 8225280 bytesSector size (logical/physical ): 51

Trial-Practical Guide to Windows PowerShell (version 2nd) Seeing the Practical Guide to Windows PowerShell (version 2nd), I think of my girlfriend's first birthday gift. What is it? The name of a book is Windows 2000 Script Programming; Time flies,

Linux crond scheduled task and Linuxcrond taskChapter 1 What is Crond? Crond is a service or software used in linux to regularly execute commands or specify program tasks. Generally, after the Centos5/6linux operating system is installed, the Crond

View the linux version. 1. view the kernel version cat /proc/version [xingxing.dxx@30_28_6_20 ~]$ cat /proc/versionLinux version 2.6.32-573.7.1.el6.x86_64 (mockbuild@c6b8.bsys.dev.centos.org) (gcc version 4.4.7 20120313 (Red Hat 4.4.7-16) (GCC) )

Security configuration in the nginx server, nginx Server Configuration1. Disable SELinux SELinux is a Linux kernel function that provides security policy protection mechanisms that support access control. However, the additional security and

Security Configuration in Nginx Server 1. Disable SELinux SELinux is a Linux kernel function that provides security policy protection mechanisms that support access control. However, the additional security and complexity brought by SELinux are not