A company laptop was lent to a colleague for a business trip. When it was returned, I noticed a “hand” icon appeared on the Local Area Connection icon in Network Neighborhood, just like the shared folder icon in the system. The local connection had been set to shared, as confirmed by the description text next to the icon: “Local …
Zabbix is an enterprise-level open-source solution with a web-based interface that provides distributed system monitoring and network monitoring capabilities. Zabbix can monitor various network parameters to ensure the secure operation of server systems, and offers a flexible notification mechanism that allows system administrators to quickly identify and resolve issues…
2xx Series: Status codes indicating the request was successfully processed. Status Code Description 200 The server successfully processed the request and delivered the requested webpage. 204 The server successfully processed the request, but no content is returned. 3xx Series: Redirection, using redirects for each request should not …
Copying files and directories is a basic OS operation. On Linux, we use the cp command. What is the cp command? It creates copies of files and directories…
Recently our site has been frequently throwing a 503 error: “HTTP Error 503. The service is unavailable”. But after refreshing once or twice it returns to normal. It’s very likely that the website’s maximum concurrent connection limit has been exceeded. What exactly is an HTTP connection? When a page loads, there are images, styles …
From left to right, the first digit represents the file owner’s permissions, the second digit represents the group’s permissions, and the third digit represents permissions for other users.
And the specific permissions are represented by numbers: read permission equals 4, denoted by r; write permission equals 2, denoted by w; execute permission equals 1, denoted by x …
1. Check if the telnet service is installed: rpm –qa|grep telnet. If not, locate the installation package and install it. If you have the installation CD, find the corresponding package on the disc to install. Here we will install directly via the network.
2. Install the Telnet program using yum install: [root@bogon x …
Before clearing memory, let’s check memory usage.
Command: free -m then use the memory clearing command: echo 1 > /proc/sys/vm/drop_caches After using the clear command, you can follow up with the check command: free -m, to see if a lot of memory has been freed ps aux results sorted by memory usage …
Source: 51mariadb.com
MariaDB is a community-driven fork of MySQL that uses the XtraDB storage engine, led by MySQL founder Michael Widenius and open-sourced under the GPL v2.0 license. Compared to MySQL, the key advantages of MariaDB include:
The Maria storage engine PB …
Renowned research firm Gartner says its clients have already begun planning their migration away from Unix.
For some clients, the move may still be two to three years away; for others, it could take up to five years. A small number of clients might even still be running Unix a decade from now; however, Gartner believes …
