Get the App
  • There are some problems with yum warehouse configuration in redhat system.

    There are some problems with yum warehouse configuration in redhat system.

    [root@XAYQ-Test2 yum.repos.d] # yum listLoaded plugins: fastestmirror, priorities, product-id, subscr

    Shulou · 2022-06-01 02:47
  • Data structure-Stack

    Data structure-Stack

    First say what is stack: 1, LIFO 2, all operations on the data can only be operated on a fixed end, not in the middle or the other end of the data operation. A class (object) that stores data that meets the above two points is called a stack. It is important to note that the stack is all the numbers that meet the above two characteristics.

    Shulou · 2022-06-01 02:47
  • Magical SNMP

    Magical SNMP

    SNMP replaces the complex command set with GET-SET, and can use basic operations to complete all operations. at the same time, users can define their own MIB using management information base standards or in a standard way. In this way, the whole system can be reduced by reducing the cost of many agent components in the network management system.

    Shulou · 2022-06-01 02:47
  • A practical example of analyzing and solving the memory waste of Java applications, worth collecting!

    A practical example of analyzing and solving the memory waste of Java applications, worth collecting!

    Memory is one of the widely wasted hardware resources in the world today. Due to inefficient programming, an astonishing amount of memory is wasted. This pattern is repeated in multiple enterprise applications. To prove this, we conducted a small study. We analyzed the famous spring b

    Shulou · 2022-06-01 02:47
  • How does GoDaddy Universal https ssl Certificate pass DNS Audit

    How does GoDaddy Universal https ssl Certificate pass DNS Audit

    Apply for the wildcard ssl certificate of GoDaddy, how to pass the examination of his family? Https://www.godaddy.com/help/verifying-your-domain-ownership-fo

    Shulou · 2022-06-01 02:47
  • Linux Scapy performs the detailed process of arp packet

    Linux Scapy performs the detailed process of arp packet

    Root@hak:~# scapyWARNING: No route found for IPv6 destination: (no default route?) INFO: Can't impo

    Shulou · 2022-06-01 02:47
  • Solutions to SSL / TLS vulnerabilities in Windows server 2012 remote Desktop Services (RDP)

    Solutions to SSL / TLS vulnerabilities in Windows server 2012 remote Desktop Services (RDP)

    1. Preface in order to improve the security level of the remote desktop and ensure that the data will not be stolen, a remote desktop feature of secure authentication has been added to the latest patch package SP1 of Windows2003. With this feature, we can use SSL encrypted information to transmit and control remote services.

    Shulou · 2022-06-01 02:46
  • Resolve the problem of blank display of Cydia source

    Resolve the problem of blank display of Cydia source

    Open Cydia all sources show blank, no plug-ins, installed list also shows blank, the solution is to download var.lib_tar package download link: https://pan.baidu.com/s/1jzJ8KehoBoZ

    Shulou · 2022-06-01 02:46
  • Protostar net2

    Protostar net2

    This level is at / opt/protostar/bin/net2Source code#include ".. / common/common.c" # define NAME "net2" #

    Shulou · 2022-06-01 02:46
  • The VNC client is the Windows,VNC client. How does Windows operate?

    The VNC client is the Windows,VNC client. How does Windows operate?

    IIS7 server management tool is a client of VNC, which can operate VNC; in addition, it is also a client of FTP and can operate related to FTP; it can also connect servers and PC under Windows and Linux systems.

    Shulou · 2022-06-01 02:46
  • Ssh Certificate realizes two-way Mutual Trust

    Ssh Certificate realizes two-way Mutual Trust

    Ssh certificates achieve two-way mutual trust 1. Generate key 2. Transfer the public key of the generated key to the machines of 0.3 and 0.4 respectively, and remotely do not need the password from 0.2 to 0.3 and 0.4 to test whether you want the password as shown in the figure above. We can, too.

    Shulou · 2022-06-01 02:46
  • No monitoring, no operation and maintenance: interpretation of enterprise full-stack monitoring operation and maintenance

    No monitoring, no operation and maintenance: interpretation of enterprise full-stack monitoring operation and maintenance

    The development trend of enterprise application from single application system to distributed system has been irreversible. Ten years ago, "SOA" appeared frequently in the technical architecture requirements of software system bidding. I believe that it will not be long before "micro-service architecture" will be mentioned frequently-distributed systems will become the mainstream. 01 Why?

    Shulou · 2022-06-01 02:46
  • 6. Introduction to routers and firewalls

    6. Introduction to routers and firewalls

    The router works in the three layers of the network layer. it is a device that connects each local area network and wide area network in the network and is used to forward signals between different network segments. How the router works: based on the source does not learn, based on the routing table forwarding, no table will be discarded. Different interfaces of the router assign different network segments, and the router divides the network and the broadcast domain.

    Shulou · 2022-06-01 02:46
  • OSI reference model network layering

    OSI reference model network layering

    The main functions of the physical layer are as follows: (1) the main function of the physical layer is to complete the original bit stream transmission between the adjacent nodes (that is, from 1, 0 to current strength for transmission, and to 1, 0 after arriving at the destination). Establish, maintain, and disconnect the physical connection. Its main concern is how to use physical signals to represent data 1

    Shulou · 2022-06-01 02:46
  • CSS default inheritable style

    CSS default inheritable style

    The previous words have been trying to summarize a list of inheritable styles. It is often heard that colors and fonts are inheritable, and box model styles are not inheritable, but what about other styles? This article includes all inheritable styles [Note] more information about styles moves to this commonly used inheritable style colorcu

    Shulou · 2022-06-01 02:46
  • TCP\ IP protocol suite

    TCP\ IP protocol suite

    5. Application layer: HTTP, FTP, SMTP, SNMP...4, Transport layer: TCP, UDP...3, Network layer: IP, ICMP, IGMP...2, data Link layer: SLIP, PPP...1, physical layer

    Shulou · 2022-06-01 02:46
  • Salt-stack install redis

    Salt-stack install redis

    The content of install.sls is: redis-install:file.managed:- name: / usr/local/src/redis-3.2.0.tar.gz- source: salt:/

    Shulou · 2022-06-01 02:46
  • Several arbitrary file deletions in feifeicms 4. 0

    Several arbitrary file deletions in feifeicms 4. 0

    1. Location Lib/Lib/Action/Admin/DataAction.class.php. Two unprocessed GET and POST parameters are directly stitched to the path, resulting in file deletion. However, the actual local test found that the _ bak folder is not saved by default.

    Shulou · 2022-06-01 02:46
  • CentOS7 network management and configuration

    CentOS7 network management and configuration

    Network management under linux can probably be implemented in two ways: commands and configuration files, most of which can only take effect at a single time after execution, while configuration files can be permanently effective, which can be managed in different ways according to different scenarios. Ifconfig:ifconfig

    Shulou · 2022-06-01 02:46
  • Why did I move from testing to test development for 10 years?

    Why did I move from testing to test development for 10 years?

    It will be 10 years since I started testing and developing. I have been in startups and big companies. Along the way, I have learned, changed and experienced in the workplace. I have long wanted to write about it and share it. This process includes the improvement of technology, the literacy of engineers and a little bit of insight into the industry. Automated test v

    Shulou · 2022-06-01 02:46