Linux

The Df-h DF command is a Linux system that views the file system as a disk partition, which can be added with parameters to view the disk's remaining space information, the command format: DF-HL display format: File system capacity used with

With the continuous development of IT operations, especially the rapid development of Linux, more and more enterprises began to use the Linux operating system platform, such as CentOS, RedHat, Ubuntu, Fedora and so on, hundreds of thousands of web

Time ManagementDateHardware time DateSystem Time ClockGet help with the use of commandsInternal command:Help commandExternal command:Command--helpCommand manual: ManualMans commandSub-chapters1: User commands (commands that all users can use)2:

BPF is used for a lot of packet capture programs, in Linux, the general kernel is automatically compiled into the Af_packet driver, so only need to configure a packet socket in the user configuration, and then the filter configuration into the

Basic principles of Linux1. A small program consisting of a single purpose, combined with a small program to complete complex tasks2. All Documents3. Avoid capturing user interfaces as much as possible4. The configuration file is saved as a plain

Df-htView formats for various filesThe mount command can mount thoseBlock device: Disc, disk partition, USB flash driveDisc: File system: iso9660 ISO file system: iso9660ISO files can be mounted on theMount Centos7.iso/media/cdrom

Self-study Linux instruction analysis-alias1 · command formatAlias name= ' command line 'Alias name= ' command ' I am Free Mans. " ‘2. Command functionDisplays and modifies aliases.1) to prevent human error by adding some protection parameters to

When the Linux system starts reading the second process, as shown, immediately press the "E" key on the keyboard ("E" is the first letter of "edit", note that the input is the lowercase letter e, which says "E" key is displayed on the keyboard, not

Found a user's computer, DF check out/disk space occupied 16G, than with du view to get more disk space, du view/under All program directory add up to less than 5G. What is the reason for this?Even if there is a hidden file, check it is very small

In general, the type command is used to determine whether another command is a built-in command, but it actually has more usage.1. Determine whether a name is currently alias, keyword, function, builtin, file, or nothing:The output of type LS is the

Hardware clock and system clock in LinuxThere are two kinds of clocks, such as hardware clock and system clock, in Linux. The hardware clock is the clock device on the motherboard, which is usually the clock that can be set on the BIOS screen. The

Self-study Linux instruction analysis-vi1 · command formatVI file-listVI "file name"2. Command functionThe VI Editor is the standard editor for all UNIX and Linux systems, and its power is not inferior to any of the latest text editors.3. How to

The first two days of learning about 30 commands, most of the commands are basically familiar.Last weekend's homework a bit of a problem, first into the workplace new, do things or not careful.Wang always gave a lot of advice, but also taught me a

For example:tr -d ‘\r’ dos-file.txt | sort >Linux-file.txtThis pipeline first deletes the carriage return symbol in the input file, and after sorting the data, outputs the result to the destination file.R is a shorthand for translate, and by this

I. Installing a virtual machine two. Install CentOS three. Configure IP1. Enter Ifconfig to view the network card Ip,lo is the loopback network card, IFCONFIG-A view the real network card ip2.dhclient #在有dhcp服务器的情况下, automatically get a Iproute #

Linux View sub-processes under a process　PS grep Master process IDPstree-p Linux Memory Viewing mode: free-M Total used free shared buffers CachedMem: 1002 769 232 0 421-/+

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When you find that your talents can't hold up your ambition, please be quiet and study ***************DescriptionThere is a shared folder under Windows App,windows local IP is 192.168.9.155Now you need to mount this app folder on a Linux server, and

Windwos7 vnc connection centos6.6, windwos7centos6.6 1. First configure centos6.6 vnc (desktop installed) # Yum install fontforge-y prevent font garbled characters # Yum tigervnc-server-y install the vnc package # Chkconfig vncserver on # Vncpasswd