Sudo Security

In Linux (and normal Unix), the name of the superuser is called Root. Windows corresponding to the root account is the Administrator. Super users can do anything, so the superuser becomes dangerous in their daily work. You can enter a wrong command to destroy the entire system. Theoretically, the user you run should have just the right to the task at hand. In some cases, it requires root, but most of the events are normal users. Ubunt ...

The establishment of enterprise security building Open source SIEM platform, SIEM (security information and event management), as the name suggests is for security information and event management system for most businesses is not cheap security system, this article combined with the author's experience describes how to use open source software Analyze data offline and use algorithms to mine unknown attacks. Recalling the system architecture to WEB server log, for example, through logstash WEB server to collect query log, near reality ...

In this article, we look at the most common use cases for setting up a high-availability (HA) and load-balanced environment: Load balancing enables you to http://www.aliyun.com/zixun/aggregation/13999.html "> Workloads are dispersed across multiple instances, increasing throughput and achieving redundancy. Use case: Load level across two WEB servers running Apache HTTP Server or IBM HTTP server ...

Ubuntu unauthorized access shared read-only public folder operations are as follows: sudo mkdir/home/publicsudo chmod 777/home/public/sudo cp/etc/samba/smb.conf/etc/samba/ Smb.conf_backupsudo gedit/etc/samba/smb.conf Search for this line of text ...; Security = user ... Use the ...

OpenSSH is an important remote management tool on Linux and is known for its security. It is believed that most users are already familiar with the use of openssh, such as using SSH for remote connections, using SCP, sftp copying files, and so on. But the power of OpenSSH is much more than that, and we will show you the following. 1.X11 forwarding uses the-X option to display GUI programs on remote Linux locally. Log on to the remote system and enable X11 forwarding you can use the following command: Ssh-x us ...

Using the cron-apthttp://www.aliyun.com/zixun/aggregation/18862.html > Automatic Update package Package CRON-APT is designed to automatically update the package list and download the updated package. Therefore, it mainly uses commands apt upgrade and apt dist-upgrade-d. Install cron-apt you can from Univers ...

The PURE-FTPD is a free (BSD), secure, high-quality and compliant FTP server. Focus on operational efficiency and ease of use. It provides a simple answer, he meets the popular needs, including ordinary users and host suppliers. PURE-FTPD is fully supported, it is always in the concept of security design, its code is always as a loophole to discuss and review. This service can be adapted to strict security needs to do separation of permissions. Even if you do not need root permission to pass the Chroo ...

Samba is the http://www.aliyun.com/zixun/aggregation/13835.html ">ubuntu and Windows network sharing tools, such as sharing printers, transferring data files to each other." Samba is a tool suite that implements the SMB (Server message Block) protocol, or the Netbios/lanmanager protocol, on UNIX. SMB protocol is usually win ...

Ubuntu need to authorize access to shared read-only public folder operations are as follows: sudo cp/etc/samba/smb.conf/etc/samba/smb.conf_backupsudo gedit/etc/samba/smb.conf Search for this line of text ...; Security = user ... Use the following lines to replace Security = useruserhttp://www.aliyun.com/zi ...

First install Samba:sudo apt install samba one under Ubuntu view the Windows System share folder on the LAN: in "Location"--"network"--"Windows network" You can see other Windows hosts and the folders they share. Second, view the folders shared by Ubuntu systems in the LAN under Windows: Back up and edit smb.conf sudo cp/etc/samba/smb.co ...