Linux

1. Kernel Debugging difficulties Difficulty reproducing Bugs Greater risk of commissioning Difficulty locating the initial version of a bug 2. Kernel Debugging tools and methods2.1 Output LOGOutput log is not only the kernel

View the system information of the linux server. Check the server and TUTK version today:I have taken over several new linux servers. The first step is to understand the hardware and software configurations of these servers. Now I will write some

How to Use vim Note: As an editor highly praised by most programmers, vim is derived from its free, flexible, and comfortable input mode, but it is undoubtedly a nightmare for new users (too many commands are required ), I have been using vim for

Linux Kernel-module compilation and installation, and Linux kernel module CompilationI didn't install the source code when installing Ubuntu. Before installing the source code, the/usr/src/directory contains only two folders containing the header

Enable Nic for CentOS minimal installation system Edit the configuration file: # Vi/etc/sysconfig/network-scripts/ifcfg-eth0 Change ONBOOT = no to yes Exit save #: Wq Restart Nic #/Etc/init. d/network restart Vmvm clone. The MAC and UUID

Linux O & M environment and VMWareWorkStation1. Use of VMWareWorkStation snapshot and clone Snapshot: After the system is installed, create a Snapshot to restore the status when the system is installed. Clone: the status of the VM cannot be cloned. [

CentOS7 is a solution for minimizing the absence of the ifconfig command after installation A few days ago, I installed CentOS7 at a minimum. I found that the network configuration of ifconfig was not found in the system and I was eager to access

How to add a Tomcat jar package in EclipseRight-click the project and choose Java Build Path. Click Add Library and select Server Runtime Select Tomcat version Now we can see the jar package with Tomcat. --------------------------------------

How to view installed Linux Kernel In some cases, you may need to check or view the list of installed Linux kernels. If you do not know how to perform the operation, please continue to read.View installed Linux kernel RHEL/CentOS/Fedora Run the

Install Snapcraft 16.04 in Ubuntu 2.5 LTS Yesterday, July 22, March 22, 2016, Canonical's Sergio Schvezov announced the release of Snapcraft 2.5. We know that almost all of the current Ubuntu desktops use debian packages. In some Linux systems, rpm

How to install Nginx Ghost on FreeBSD 10.2 Node. js is an open-source runtime environment for developing server-side applications. The Node. js application is written in JavaScript and can run on any server with Node. js runtime. It supports Linux,

Install Samba in Ubuntu 15.04 After installing the Samba server, you can easily implement communication between Windows and Linux.Installation Steps: 1. Install the samba service under Ubuntu 15.04: bkjia@www.bkjia.com:~$ sudo apt-get install samba2.

Centralized Puppet Configuration Management in Redhat Linux Puppet IntroductionPuppet is a configuration management tool. It is typical that puppet is a C/S structure. Of course, there can be a lot of C here, becauseThis can also be said to be a

Realization of LVS-NAT and LVS-DR Mode Implementation of LVS in LinuxTo use LVS in linux kernels earlier than 2.4.23, you need to re-compile the kernel and install patches, later, LVS directly entered the kernel and used grep-I-C 5 ipvs/boot/config-'

Use the NTP service in Linux to manage/synchronize server time When there are multiple Web servers and the time of each Server must be consistent, you can consider using the NTP service. 1. Use ntpstat to check the current state of the NTP service. #

Use flume + kafka + storm to build a real-time Log Analysis System This article only involves the combination of flume and kafka. For details about the combination of kafka and storm, refer to other articles. Kafka-Storm integrated deployment 1.

Setting up Samba in Ubuntu Linux Samba is no stranger to Linux developers. Now we have a Windows version. When developing a Linux driver or application, we usually need a Linux development environment. For large companies, there is a server for

LVS + Keepalived usage SummaryI. lvs introduction and recommended MaterialsIi. Installation of lvs and keepalivedIii. lvs vs/DR Mode ConstructionIv. lvs vs/TUN mode EstablishmentV. lvs vs/NAT Mode Construction6. keepalived multiple real server

Apache vulnerability repair Today, I was commissioned by my colleagues to fix the Apache vulnerability on a server, mainly in the following aspects: 1. Apache httpd remote denial of service (moderate risk) Solution: Upgrade Apache HTTP Server to 2.2

Install and build Gearman in Ubuntu In the recent stage, I have been viewing some of the technical points used in the project and found gearman. So I started the environment. The following is an introduction to gearman from Baidu