Linux

Linux remote connection tools are generally ssh, if you need to use Remote Desktop Connection, you need to use VNC or RDP (directly using the Windows Remote Connection tool can connect) here we first look at the installation of VNC in Linux

[email protected] bdkyr]# cat fork_test.c/** Create by Bdkyr* Date 2015-1-22*/#include #include #include #include #include #include #define MAXLINE 4096/* Max line length */int glob = 6;Char buf[]= "A write to stdout\n";void Err_sys (const char *fmt,

Accustomed to terminal does not know the LS command (the same as the Dos dir), often just need to see the contents of the directory size , but ls-h display is only the size of the directory itself, and many of the contentThe two criticisms of LS in

Cron comes from the Greek word chronos (meaning "time"), which is the next program that automatically executes a specified task (scheduled task) on the Linux system1. crontab Command Options#crontab-U -u Specifies a user-l lists a user's task

/etc/sysconfig/clockThis profile can be used to set how the user chooses how to display the time. If the hardware clock is local time, UTC is set to 0, and the environment variable TZ is not set. If the hardware clock is UTC time, set the UTC to 1

1. Single Sign-on server CAS application is configured under Tomcat.1) Key generation:Keytool-genkey-alias Mycas-keyalg rsa-keysize 2048-keystore/mnt/disk1/keys/mycas.keystoreKeytool-export-file/mnt/disk1/keys/mycas.crt-alias Mycas-keystore/mnt/disk1

1, distinguish between block devices and character devices: Block devices are hardware that can randomly access a fixed-size piece of data in a system., the sector is the smallest addressable unit physically on all block devices, typically 512Byte

The process is simply an execution of a program, the process described here generally refers to the process running in the user state, and the different processes in the user state are isolated from each other, they must be in some way to

It is well known that Linux is convenient for viewing a particular interface (or command). For example, I want to see the use of the BIND function in the socket, just man bind.But there is a problem. Paging in the terminal is always not

When I was ready to graduate recently, I kept busy. Internship in the company with the elder brother and strong brother contacted Googleprotobuf, feel this thing is a good thing, but at that time, Net Dragon Company to the bottom are done, contact

Linux kernel ———— queueLinux kernel--queueDefined:[CPP]View Plaincopy struct __kfifo{ unsigned int in; //Queue offset, write index unsigned int out; //Queue offset, read index unsigned int mask; unsigned int esize;

First, the NTP principle of the timeThe direction of NTP synchronization is to propagate from a node with a smaller stratum value to a larger node, and if an NTP client receives a stratum larger than itself, the NTP client thinks its time is more

1. System Boot Process:1) Load BIOS hardware information and self-test, and obtain the first bootable device according to the setting2) Read and execute the boot Loader (i.e. Grub,spfdisk, etc.) of the MBR in the first boot device3) Load

Network Configuration in Linux and network configuration in LinuxLinux Network Configuration1. temporarily changed network configuration① Set the IP address and subnet mask # Ifconfig eth0 192.168.1.33 netmask 255.255.255.0 up // eth0 is the NIC to

CentOS6.5 custom system iso Production1. Install software (1) software to be installed in the system # Yum install anaconda repodata createrepo mkisofs system-config-kickstart (2) The system centos6.5.iso and the rpm package to be installed, the

Linux Study Notes (7) common Linux commands: compression and decompression commands, learning notes compression and decompression(1) gzip The gzip command is used to compress files. The original English meaning is GNU zip. The path is/bin/gzip. The

Learning Shell together (3) search and replaceDescription: Regular Expressions can provide more powerful markup methods to match various actual numbers of texts with a single expression. The weapon strength of the grep family. -----------------------

Linux Command character wear Command-split Location:/usr/bin/split Permission: All Users Purpose: Usage: split [OPTION]... [INPUT [PREFIX] Option: -B can be followed by the size of the file, which can be added with units, such as B, k, and m. -L

Install ZooKeeper in centos 1. Requirements Install ZooKeeper and metaQ 2. Download Http://zookeeper.apache.org/releases.html The current stable version is a zookeeper-3.4.6 3. Extract Tar-xf zookeeper-3.4.6.tar.gz Decompress the file to "/usr/local/

Daemon Xinted and Syslogd 1. Create a daemon 1. Make the init process the parent process of the newly generated process. After the fork function is called to create a sub-process, the parent process immediately exits. In this way, the child process