Linux

After you have configured multiple NICs, you need to specify which NIC the packets are sent from, otherwise you may not be able to access the intranet, which requires static routing.There are several ways to configure static routes:1. Modify the/etc/

There are several types of permissions for Linux systems:UsergroupotherUser: The owner of a file or directory, represented by R--、 rw-, R-x, etc.Group: A genus of files or directories represented by R--、 rw-, R-x, etc.Other: Permissions for other

Selective operationVertical bar (|) Characters are part of a meta-character extension set that specifies the Union of regular expressions. If a row matches one of the regular expressions, it matches the pattern. For example, the regular expression:

Under the Linux system, reboot Tomcat to operate with commands!First, go to the bin directory under TomcatCd/usr/local/tomcat/binUsing the Tomcat Close command./shutdown.shTo see if Tomcat is shutting downPs-ef|grep JavaIf the following similar

First, allow users to enter a directory to become a "working directory" of the basic permissions: Commands that can be used: such as CDs and other commands to transform working directories; Permissions required by the directory: The

Linux System Scheduled Tasks/etc/crontab Cron master configuration file, you can define pathThe cron format is as follows:#.----------------minutes (0-59)# | .-------------hours (0-23)# |  | .----------Day (1-31)# |  |  | .-------Month (1-12)# |  |  

environment variable Problem of Linux$PATH, first in the/etc/profile, and then, under the user directory under ~/.bash_profile if there is a definition, will be overwritten to the previous $path also note that if the user sudo su switch to root,

Thank Bo Lynnandwei, wrote the blog. Or because of its inspiration, so I thought of how to fine-tune the model, hey, vegetables than hurt.It's still under the CIFAR10 model. You want to fine-tune the models that have been generated. Enter commands

Principles of Linux Network Foundation NetworkNetwork addressing IP Addressing IP addressing is a two-tier addressing scheme, an IP address identifies a host (or a NIC interface)Now the most widely used Ipv4 addressing, has begun to gradually switch

Metacharacters allow you to specify repeated occurrences of the character. Consider the following expression:11*0It will match each of the following lines:101101111101111111111111111111111111110These meta-characters make the regular expression

                                          1 executable queue ( based on real-time process scheduling )The most basic data structure running queue in the scheduler (Runqueue) . The executable queue is a linked list of executable processes on a given

Server for NFSFirst, Ann and start NFS1. Install NFSYum-y Install nfs-utils-*_64 nfs4-acl-tools*.642. Start NFS#启动nfs要先启动rpc服务, after 6.0 rpcbind and Rpcidmap are the default RPC services#如果没有启动rpc则会报错, resulting in a user Rights mapping

CentOS7 Enable Remote Desktop virtualization via kvm+vnc installation VNCinstallation VNC Service Sidein the Linux installed on the system VNCYum-yinstall Vnc-server      Yum-y Install Tigervnc-serverSet the password required for remote logininput

Set the port range for Linux/Windows. Recently, the program failed to start because the port occupied the listening port.Therefore, I checked some information and saw where to set it. Linux (CentOS ):The default value is 32768-61000. Modification

CentOS6.5 partition and File System1 partition introduction linux partition is different from windows, linux hard disk device name (IDE hard disk is hdx (x is from a-d) Because IDE hard disk is up to four, SCSI, SATA, the USB hard disk is sdx (x is

CentOS6.5 Network Configuration1 Nic description 1) Two NICs:The first Nic is configured with the Internet: eth0The second Nic is configured with the Intranet: eth1 (the Intranet should also be configured on the second Nic for machines without the

[Linux] process scheduling Overview 1. executable queue (Based on Real-time process scheduling) Runqueue ). An executable queue is a linked list of executable processes on a given processor. Each processor has one. Each running process is

Linux regular expression-locate metacharacters Two metacharacters are used to specify whether a string appears at the beginning or end of a row. A single character regular expression that indicates the start. The dollar sign ($) is a regular

Ubuntu14.04lts install vncserver Previously, I installed vncserver many times on centos and wrote an installation document on centos 7. Recently, I have learned that I have failed to install it on ubuntu several times. This time I finally got it

Common Linux Network Tools: mtr and linuxmtr for Route Scanning In addition to traceroute introduced in the previous article "common network tools for Linux: traceroute for Route scanning", Linux also has another commonly used route scanning tool