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Showing posts with the label Processes

LPI E C1 - sec procs test

Practice Exam Questions LPI E C1 - system accounts Test Text: https://www.certificationmethods.com/2023/05/lpi-e-c-secure-procs.html Multiple Choice Questions (Answers at end) 1. Which files contain information about the default system accounts on a Linux system? A. /etc/passwd, /etc/group, and /etc/shadow B. /var/log/auth.log, /var/log/syslog, and /var/log/kern.log C. /etc/hosts, /etc/hostname, and /etc/network/interfaces D. /etc/fstab, /etc/crontab, and /etc/profile     2. What information do the files containing system accounts hold? A. Password (encrypted), username, group membership, and home directory B. IP address, hostname, MAC address, and subnet mask C. Port numbers, protocol, and packet header information D. Network interface card driver, firmware version, and chipset 3. Why are system accounts used on a Linux system? A. To run various system processes and services B. To restrict user access to system resources C. To allow users to customize their own environment D....

LPI E C1 - secure procs

System Account Security Understanding the Inner Workings of Linux System Accounts, Memory Management, and Access Control Lists (ACLs) Assessment Test: https://www.certificationmethods.com/2023/05/lpi-e-ic-sys-acct-test.html If you've ever used Linux, you're probably familiar with system accounts, memory management, and access control lists (ACLs). These are essential components of any modern operating system, and Linux is no exception. In this blog post, we'll take a closer look at these concepts and explain how they work together to keep your Linux system secure.   Let's start with system accounts Every Linux system has a set of default system accounts that are created during installation. These accounts are stored in files such as "/etc/passwd", "/etc/group", and "/etc/shadow". These files contain information about each account, including the username, password (encrypted), group membership, and home directory. The system accou...

LPI E - System Data

LPI E - Scripting 4.3 Where Data is Stored Review of Topics: Various types of information stored on a Linux system Part 1 of 2:  Part 2 - A Extensive Look Programs Configuration Processes Memory addresses System messaging Logging  Using the tools ps top free syslog - Debian or Fedora dmesg - Debian or Fedora and by locating information from directories like  "/etc/" "/bin" "/var/log/" Debian or Fedora "/boot/" "/proc/" "/dev/" "/sys/" I'll also provide a reference to some other tools at the end Finding information about Linux Programs and Configuration : Programs in Linux are typically stored in directories like "/bin/" "/sbin/" "/usr/bin/" "/usr/sbin/ "bin" meaning the executable binaries   To locate information about a program , you can use the " which " command followed by the name of the program $ which ls T his will display the full path to the program...