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dpkg -- deb series software package management system #List the software packages in the current system dpkg -l #Install package dpkg -i packageName.deb #Uninstall package (keep profile) dpkg -r packageName #Uninstall package (delete profile) dpkg -P packageName #Lists the contents of the specified installed packages dpkg -L packageName #Repor ...

If kept has 10 VIPs, how to check the traffic of each VIP? Here you can use the sar command to view the network card traffic. The premise is that when you keep listening to the network card. Set the subinterface when setting up the network card. That is, your network card is bound to the sub interface. In this way, eth0:0 and eth0:1 can see t ...

preface To start the in-depth learning journey, we must first determine where the alchemy furnace is placed. It is understood that the conventional platform combination includes: win + anacondawin + wslubuntu + anacondaubuntu + docker The above combination methods are used more frequently. Of course, GPU/CPU and tensorflow/pytorch are ba ...

The location is different, and the ip address is different Network protocol is the collection of a group of network rules, which is the agreement or standard we abide by together. Common protocols TCP: UDP: HTTP: Port number: uniquely identifies an application (process) on a host Why layering: The data link layer solves the transmission be ...

Linux device driver learning notes - character device driver - Note.1 LINUX DEVICE DRIVERS，3RD EDITION 1, Character drive [1] Primary and secondary equipment No Character devices are accessed by names in the file system. Device files with names called file systems Specify that they are located in the / dev directory. You can view thei ...

The main contents of this chapter are as follows: 1, Install docker Docker is an open source application container engine, which is based on Go language and complies with Apache 2.0 protocol. Docker allows developers to package their applications and dependency packages into a lightweight and portable container, and then publish them to ...

Users, groups, and permissions Content overview Security model of LinuxUser and group related filesUser and group management commandsUnderstand and set file permissionsDefault permissionsspecial competenciesFile access control permissions 1. Linux Security Model Resource allocation: Authentication: authentication to verify the user's i ...

Server program specification Linux server programs generally run as background processes (daemons). It does not control the terminal, so it will not accidentally receive user input. The parent process of the daemon is usually the init process (PID 1).A professional log system is required for the debugging and maintenance of the server. L ...

This is the notes of Niuke Linux C + + course. 0. About threads Note: LWP number is different from thread id. LWP number is the basis for CPU to allocate time slice, and thread id is used to distinguish threads within the process. 1. Difference between thread and process For processes, the same address (the same virtual address) is used ...

In many scenarios, the zookeeper cluster is used. For example, it uses its consistency ability and node monitoring ability to realize a variety of business functions.The problem encountered this time is that the zookeeper disk util is too high.First view the await index and util index of the disk through iostat, as shown in the following figure ...