Transfering files using Secure Copy (scp) OpenSSH is useful for securely running shell commands on remote systems. The Secure Copy command, scp, which is part of the OpenSSH suite, copies files from a remote system to the local system or from the local system to a remote system.
Synchronize files and directories with rsync The rsync command is another way to securely copy files from one system to …
Starting from CentOS/RHEL 7, various new features have been introduced in the network stack as well. This post will …
TCP/IP Network Model The TCP/IP network model is a simplified, four-layered set of abstractions that describes how …
The chronyd service keeps the usually-inaccurate local hardware clock (RTC) on track by synchronizing it to the …
Storing the system journal permanently By default, the system journals are kept in the /run/log/journal directory, which …
Setting local clocks and time zones Correct synchronized system time is critical for log file analysis across multiple …
Finding Events The systemd-journald service stores logging data in a structured, indexed binary file called the journal. …
System Logging Processes and the operating system kernel record a log of events that happen. These logs are used to …
Configure the OpenSSH Server OpenSSH service is provided by a daemon called sshd. Its main configuration file is …
Logging events to the system Many programs use the syslog protocol to log events to the system. Each log message is …