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summary sqlite3 is a small database with less code and less memory. It is written in C, so it is naturally suitable for embedded systems, especially embedded linux. It is quite supported. sqlite3 can run directly through the shell, but this is only limited to testing. In actual project programming, we still use the C/C + + interface functi ...

catalogue 1, Raspberry pie installation Ubuntu 18.04 1 download ubuntu system files two   Burn system files into SD card 3 force modification of HDMI output resolution (this step can be ignored) 4. Set wifi (this step can also be ignored. Connect the network cable and install the desktop later) 5 insert the memory card and install th ...

Fancy stack overflow reference resources: https://ctf-wiki.org/pwn/linux/user-mode/stackoverflow/x86/fancy-rop/#2018-over reference resources: https://www.yuque.com/hxfqg9/bin/erh0l7 reference resources: https://ctf-wiki.org/pwn/linux/user-mode/stackoverflow/x86/fancy-rop 1. Principle 1.1 stack pivoting Stack pivoting is turned into s ...

1, rsync overview 1. The concept of rsync rsync (Remote Sync) is an open source fast incremental backup tool, which can mirror and synchronize the entire directory tree between different hosts, support incremental backup, maintain links and permissions, and adopt optimized synchronization algorithm to perform compression before transmission. ...

1. Preface When it comes to remote desktop, you may think of third-party software such as TeamViewer and sunflower However, most of them are commercial software, which is expensive; Even if the free version is provided, there are various restrictions, and the stability and security cannot be guaranteed This article will introduce how to use ...

Red Hat RHCE Examination Morning-RHCSA (RH134) serverb.example.com task 5.Create Logical Volume Create a new logical volume as follows: Task Requirements Logical volume name database, volume group is datastorage, size is 60 PE size sThe PESIZE of datastore is 16MiBFormat into an ext4 file system. Automatically mount to/mnt/data at system s ...

Red hat RHCE exam am - RHCSA (RH134) servera.example.com task 11. Find files Task requirements Find all files belonging to the harry user and copy them to the / root/findfiles directory Complete step Create the required directory first mkdir -pv /root/findfilesThen find the specified file and put it in the previously created directory fin ...

1, Understanding DHCP services 1.DHCP definition DHCP (Dynamic Host Configuration Protocol) is a LAN network protocol. It refers to a range of IP addresses controlled by the server. When the client logs in to the server, it can automatically obtain the IP address and subnet mask assigned by the server. By default, DHCP, as a service com ...

When we write a program, we often need to judge the execution result of the previous step, so the judgment needs to be realized by using if statement. if statement is mainly used for judgment in our program. 1, if syntax 1.1 single branch if if condition;then Command to execute 1 Command to execute 2 Command to execute 3 . ...

1. Introduction to ZABBIX zabbix is an enterprise class open source solution based on WEB interface to provide distributed system monitoring and network monitoring functions. zabbix can monitor various network parameters to ensure the safe operation of the server system; Flexible notification mechanism is provided to enable system adminis ...