Linux

Usage of chkconfig under Linux, mysqld boot from bootUse syntax:chkconfig[--add][--del][--list][system service] or chkconfig[--level][system service][on/off/reset]Parameter usage:--add: Adds the specified system service, allows the CHKCONFIG

Previous Blog We explained the Linux compression and decompression command, the most used is the tar command, because now a lot of source packages are. tar.gz format, through TAR-ZCVF can complete decompression. Then for the. zip format of the file,

The MV command is a command similar to CP , but it does not create replicas/replicas of files or directories. No matter what version of the Linux system you are using, the MV is installed on your Linux system by default. Take a look at some examples

Reprinted from: Http://blog.sina.com.cn/s/blog_5842daa30101enz5.html often concerned about the Linux script people, must have seen 2>&1 such usage, At first it must not understand the meaning and why it is such a combination. Yesterday happened to

One, Linux jobs and prioritiesIi. ICMP and FTP-related commandsThird, tracerouteIv. tcpdump one, Linux jobs and prioritiesNice job FG BG Nohup ReniceJobFront-end operation (foreground): Starts with terminal and occupies terminal after

The previous blog we explained the Linux file and directory processing commands, or Laosheng Changtan, for beginners, we do not need to fully remember the command of the detailed syntax, remember what the command can be done, and then need to check

If you have a hard drive, how do you use it for your Linux system?1. Install the hard drive on the server2. Partition the hard disk3. Format the partition4. Create a directory (mount point) on a Linux system5. Mount a formatted partition to a

1.touch: Modify the timestamp of the fileFormat: Touch [options] ... FILE ...Common options:-C,--no-create: Do not create any files;-A: Only modify the access timestamp of the file;-M: Only modify the file's modified timestamp;-T STAMP: Replace the

First, the system directory structure Root is the home directory of the root user, under/under, the home directory of the normal user is at//. directory tree(directory tree),The starting point for this directory tree is the root directory(/,

First, SYSTEMDSystem initialization program, the first process that the system starts, the PID is 1Diagram: SYSTEMD System initial Program650) this.width=650; "Src="

1.crontab Command Overview　　Command parameters:-u User: Used to set a user's crontab service, for example, "-u ixdba" means to set IXDBA user's crontab service, this parameter is usually run by the root user.File:file is the name of the command file,

Url:http://hi.baidu.com/min_jenery/blog/item/9ecbfffbc92ad1909f5146aa.htmlTail-f/(log file directory) View log commandsCTRL + C Stop printingLs-al view file details path, etc.VI/(log file directory) Open log/Search CharactersExit: Press ESC, press ":

Fault phenomenon: misoperation, remove the/boot filePS: Fortunately know where to move the boot fileThe machine cannot be connected by SSH and will enter after reboot:Grub Rescue>In rescue mode, only a few commands are used: Set setting

Set the time[[email protected]/]# date-s "20171014 15:42:00"Saturday, October 14, 2017 15:42:00 CSTFormat time[[Email protected] ~]# DateSat Oct 09:07:29 CST 2017[Email protected] ~]# date +%y-%m-%d17-10-14[Email protected] ~]# date +%y-%m-%d2017-10-

First, the Introduction of NFSNFS is the abbreviation for network filesystem, which is the networked file system. A contract for the decentralized file system, developed by Sun, was announced in 1984. The function is to enable different machines,

1.CACTI Introduction650) this.width=650; "style=" margin-bottom:-1.4em;vertical-align:middle; "src=" http://image3.135editor.com/cache/ remote/

Run the file in the current directory under Windows, and you can run the file directly by entering its full name. For Linux, however, the./file name must be added to run. Puzzled at this point, the final review of aInformation to figure it out.1. In

First, the relevant information to obtainI personally in the study mini2440 Development Board is followed by Vedon teacher's first video learning, video and materials I made a slight change, just changed the file organization structure. For

WARNING: at drivers/gpio/gpiolib. c: 101 gpio_ensure_requested + 0x5c/0x118 (), gpio0x5c When you use the key program implemented by the input subsystem, the following error is reported every time the key is interrupted: --- Input_key_handler ---

Split-brain and keepalived split-brain in keepalived In a high-availability (HA) system, when the "Heartbeat line" of the two nodes is disconnected, the HA system, originally integrated and coordinated, is split into two independent individuals.