Linux

Objective: GPG is the Free Software Foundation developed to replace the commercial encryption software PGP replacement, named GnuPG. GPG has many uses, this article mainly introduces file encryption. Red Hat series Linux packages are

SFTP is an SSH-based file Transfer protocol that provides a more secure and faster file transfer capability than Zmodem.How to receive files using SFTP:1. On the local prompt, use the SFTP command to log on to the host to receive the file.xshell:\>

I. Linux common commands There are a lot of today we'll summarize the common entry commands:1.linux Shimonoseki command: Poweroff, init 0, Halt, Shutdown-h now2.linux Restart command: Reboot, init 6, Shutdown-r now3.shutdown command:Format: Shutdown

Introduction to Linux Primer basics1. Introduction of computer hardware compositionThe computer is mainly composed of CPU (calculator, controller), memory, I/O, external storage and so on.CPU is mainly used for binary data operation, it extracts

First, what is cheat?Cheat is an interactive cheat sheet application that is distributed to Linux command line users under the GNU General Public License. Simply put, it does not provide any additional extraneous information, only by using an

First, view the file as the disk size generally use the du or DF commandDF Command: used to display the available disk space on a disk partition . The default display unit is KB. You can use this command to get information about how much space the

I. BACKGROUNDSystem administrators often require SSH or telent telnet to a Linux server and often run tasks that take a long time to complete, such as system backups, FTP transfers, and so on. Usually we open a remote terminal window for each of

If your application doesn't work, or you want to find more information, these 20 commands will be useful.In this new tool and a diverse development environment, it is necessary for any developer or engineer to learn some basic system administration

Need a network card that can listenAirmon-ng Start Wlan0 (monitoring network card)Airmon-ng check Kill (to clear other affected environments)Airodump-ng mon0 (scan nearby WiFi)Airodump-ng--bssid target mac-c (target ch)-W Crack (custom file name)

Socket blocking vs. non-blocking, synchronous and asynchronousHuangguisu1. Conceptual understandingIn network programming, we often see synchronous (sync)/async (Async), blocking (block)/non-blocking (Unblock) Four call modes:Synchronous:The

Thin clients simplify the complexity of IT management, so many visionary enterprise and it decision makers are using thin client + desktop virtualization to replace traditional PCs, and for a new IT environment, all easy to manage, 0 maintenance

how to use Redmine | SVN commit CodeThis address: Http://blog.csdn.net/caroline_wendyRbtools 1. Installation: 2. Configuration:In ~/. Reviewboard RC to choose their own group (Android, IOS, server, etc.), their own in the review Board username

Directory (?) [-] Overview SFTP Password-Free login operation method 1 log on to the server host in the current user root directory execution with RSA algorithm as an example 2 Upload the Homesshid_rsapub file on the

/********************************************************************* * Author:samson * date:05/19/2014 * Test PL Atform: * Mint 15-3.8.13.13 * GNU bash, version 4.2.45 * *************************************** ****************************/Rtc:The

Problem:Messages can be sent successfully in a native (Windows) environment, but cannot be sent successfully after deployment to a Linux server, and the foreground does not prompt for errors or prompt 502.Linux under Log hint: JavaMail isssl false ..

CentOS 7 kernel upgrade, centos kernel upgrade Take CentOS 7 as an example! 1. view the current kernel version:[Root @ localhost ~] # Uname-srLinux 3.10.0-514.26.2.el7.x86 _ 64 2. view the latest kernel version: Log onto the https://www.kernel.org

Mysql-6-data types and operators, mysql-6-Data Types 1. mysql Data Type (1) numeric data type: including integer tinyint, smallint, mediumint, int, bigint, float and double Floating Point decimal type. (2) date/time type: including year, time, date,

Nginx ~ Add Server Load balancer for docker containers, nginxdocker As the most popular Server Load balancer and reverse proxy server, Nginx runs on linux. to achieve traffic distribution and load balancing, You need to deploy on IIS of multiple

Some experiences in installing kalilinux2017.1 vmtools in VMware, and installing vmtools in kali2017 Recently, due to the ransomware virus, I learned a lot about security training from a security expert. In today's society where networks are so

Zookeeper cluster (2), zookeeper Cluster After reading the previous article "zookeeper pseudo cluster 1", I believe you have some knowledge about zookeeper clusters. Next, let's talk about zookeeper real clusters. In fact, the real cluster and