Linux

A little Linux every day-Hard Disk knowledge today, disk interfaces are mainly divided into two types: IDE (Integrated Drive Electronics), SCSI (Small Computer System Interface ). They each have some differentiation or evolution, so the technical

To know which components are installed, run the following command: Rpm-qa | grep httpdrpm-qa | grep mysqlrpm-qa | grep php You can view the apache, mysql, and php services installed on the local machine. If the returned result is null, the service

For Ubuntu and XP dual-system grub2, when the default startup Item is set to XP and the dual-system is installed, you will always want to enable a system to start by default. After Ubuntu and XP dual-system are installed, when the system is started,

Concise Linux Command Line Note 6: rmdir www.2cto.com rmdir can only be used to delete an empty directory 1. usage rmdir [Option]... directory... 2. common parameter-p recursively Delete directory-v shows detailed information about deletion 3.

In Ubuntu,/tmp uses tmpfs to increase the processing speed of temporary files and increase the security. 1. Problem Background: www.2cto.com Ubuntu version: 12.10 64bit didn't actually consider using tmpfs from the perspective of improving the speed,

Linux file access permission description and ls command example:-| rw-| r -- 1. r indicates readable, w indicates writable, -indicates that the owner of the file does not have the execution permission on the file. If the owner has the executable

Linux Shell special character and control character Shell special character # comment represents comment # comment represents in the middle of quotation marks and # echo itself $ {PATH ##:}# parameter replacement, not a comment echo $(2 #101011) #

GDB debugging in Linux is a powerful program debugging tool in UNIX released by the GNU open-source organization. In general, GDB mainly helps you complete the following four functions: to start your program, you can run program 2 as per your custom

After you run rc. local archlinux to replace initscript with systemd when Archlinux is started, many service startup methods have changed. The original/etc/rc. d/rc. local has disappeared and is recommended to be replaced by tmpfiles. d. However,

In Linux, you can view the file encoding and modify the encoding. in Linux, you can view the file encoding in the following ways: 1. in Vim, you can directly view the file encoding: set fileencoding to display the file encoding format. If you only

To configure the DHCP server dhcpd, edit the dhcpd. conf sample file from the server directory and install it as/etc/dhcpd. conf20. At the same time, you must create an empty lease database file named/var/db/dhcp. leases and run the touch command.

Ubuntu ip & dns configuration 1. Set the IP address. Enter sudo gedit/etc/network/interfaces on the terminal. Assume that the network card is 0. If it is another network card, change eth0 to the corresponding value. Auto lo www.2cto.com iface lo

For linux Files or files, search for whereis www.2cto.com to find the software installation path-B to find only binary files-m to find only help files-s to find only source code-u to exclude files of the specified type -f only displays the file

During our online maintenance work, we often need to back up some data. Although it is not complicated, it takes a lot of time. I will share a Linux backup script here to implement automatic backup with ease, in addition, the files backed up in N

Linux Kernel is the core of the system, so upgrading the kernel is a basic skill of the Linux system administrator. So I shared an article on system O & M practices, of course, I have added some content to the source file, that is, I have added the

Wscdlzhom published on | 439 Times font size: large, medium, and small (0 comments) I want to commentThe crontab command schedules the execution of some commands at certain intervals. There is a crontab file in the/etc directory, which stores some

Configure DHCP server1. Create the disk Mount position mkdir-p/media/cdrom2. mount the disk file mount/dev/cdrom/media/cdrom.3. Enter cd/media/cdrom/SERVER in Server Mode4. view the DHCP file ls dhcp *5. cp file to/etc/dhcpd. conf

Svn (subversion) is a version management tool that has emerged in recent years and is the successor of cvs. Currently, most open-source software uses svn as the code version management software.Svn servers can run in two ways: independent servers

I. subdomain authorization and forwardingIf a company applies for the next luowei.com domain nameToo many domain names need to be set up in separate departments. For example, we haveWww.luowei.com,Bbs.luowei.com,Tech.luowei.com,Now we want to

The function is to dynamically allocate disk partitions and make multiple partitions or physical hard disks as a logical volume (equivalent to a logical hard disk)It allows you to expand or reduce the disk or partition capacity at will. The