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Questions and answers categorized in: Cybersecurity > EITC/IS/LSA Linux System Administration > Advanced sysadmin in Linux > Deleting Linux system logs > Examination review

Why is it important to run the cleanup commands with sudo privileges?

Saturday, 05 August 2023 by EITCA Academy

Running cleanup commands with sudo privileges is important for maintaining the security and integrity of a Linux system, particularly when it comes to deleting system logs. This practice ensures that only authorized users with administrative privileges can perform critical operations, minimizing the risk of unauthorized access, accidental deletions, or malicious activities that could compromise the

  • Published in Cybersecurity, EITC/IS/LSA Linux System Administration, Advanced sysadmin in Linux, Deleting Linux system logs, Examination review
Tagged under: Cybersecurity, Linux, Privileges, Security, Sudo, System Logs

What command can you use to restrict the cleanup of logs based on their size using the systemd journalctl tool?

Saturday, 05 August 2023 by EITCA Academy

In the field of Linux system administration, specifically in the context of managing and deleting system logs, the systemd journalctl tool provides a powerful command-line interface for accessing and manipulating logs stored by the systemd journal. To restrict the cleanup of logs based on their size, the journalctl tool offers the option to set storage

  • Published in Cybersecurity, EITC/IS/LSA Linux System Administration, Advanced sysadmin in Linux, Deleting Linux system logs, Examination review
Tagged under: Cybersecurity, Journalctl, Linux, Log Management, System Administration, Systemd

How can you specify the time measure when using the "–vacuum-time" option with the journalctl command?

Saturday, 05 August 2023 by EITCA Academy

The "–vacuum-time" option in the journalctl command is used to specify the time measure for deleting Linux system logs. This option allows the system administrator to control the retention policy of the logs and manage the disk space effectively. By specifying the time measure, you can determine how long the logs should be retained before

  • Published in Cybersecurity, EITC/IS/LSA Linux System Administration, Advanced sysadmin in Linux, Deleting Linux system logs, Examination review
Tagged under: Cybersecurity, Journalctl, Linux, Log Management, Retention Policy, System Logs

What command can you use to delete logs older than a certain time period using the systemd journalctl tool?

Saturday, 05 August 2023 by EITCA Academy

To delete logs older than a certain time period using the systemd journalctl tool in Linux system administration, the appropriate command is "journalctl –vacuum-time=TIME". The "journalctl" command is a powerful tool that allows administrators to query and view logs generated by the systemd journal. By default, the journal stores logs in a binary format, making

  • Published in Cybersecurity, EITC/IS/LSA Linux System Administration, Advanced sysadmin in Linux, Deleting Linux system logs, Examination review
Tagged under: Cybersecurity, Journalctl, Linux, Log Management, System Administration, Systemd

How can you check the size of the systemd journal on a Linux system?

Saturday, 05 August 2023 by EITCA Academy

To check the size of the systemd journal on a Linux system, you can utilize various commands and tools provided by the systemd suite. The systemd journal is a centralized logging system that collects and stores log messages generated by various components of the Linux system. Monitoring the size of the journal is important for

  • Published in Cybersecurity, EITC/IS/LSA Linux System Administration, Advanced sysadmin in Linux, Deleting Linux system logs, Examination review
Tagged under: Cybersecurity, Disk Usage, Journalctl, Linux, Log Storage, Systemd Journal
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