User contributions for Tommy

20 February 2025

• 08:0508:05, 20 February 2025 diff hist +95 Linux stuff No edit summary
• 08:0408:04, 20 February 2025 diff hist +889 N Perform basic file edits using an editor Created page with "== vi/vim - Visual editor== Mode switching: i: Enter insert mode at cursor o: Open new line below cursor and enter insert mode a: Enter insert mode after cursor ESC: Return to command mode Navigation: h: Move left j: Move down k: Move up l: Move right Saving and exiting: ZZ: Save and exit :w!: Force save :q!: Force quit without saving :e!: Reload file, discarding changes Editing: c: Change (delete and enter insert mode) d: Delete p: Paste after cursor y: Yank (copy)..." current
• 08:0308:03, 20 February 2025 diff hist +99 Linux stuff No edit summary
• 08:0208:02, 20 February 2025 diff hist +1,051 N Search text files using regular expressions Created page with "==Creating a simple regular expression== A basic regular expression to match email addresses: \b[A-Za-z0-9._%+-]+@[A-Za-z0-9.-]+.[A-Z|a-z]{2,}\b This pattern matches: One or more word characters, dots, underscores, or plus signs before the @ symbol One or more word characters or dots after the @ symbol A dot followed by two or more letters for the top-level domain Using regular expression tools for searches: ==grep: Basic regular expression searchin..." current
• 08:0108:01, 20 February 2025 diff hist +86 Linux stuff →Links to useful Linux things
• 08:0008:00, 20 February 2025 diff hist +1,156 N Use streams, pipes and redirects Created page with "== Redirecting standard input, output, and error== < : Redirect input from a file Example: sort < unsorted.txt *This reads the contents of unsorted.txt as input for the sort command. Redirect output to a file (overwrite) Example: ls -l > file_list.txt *This writes the output of ls -l to file_list.txt, overwriting existing content. Redirect output to a file (append) Example: echo "New line" >> log.txt *This appends "New line" to the end of log.txt. ==2>&1 : Redirect..." current
• 07:5707:57, 20 February 2025 diff hist +88 Linux stuff →Links to useful Linux things
• 07:5607:56, 20 February 2025 diff hist +1,507 N Process text stream with filters Created page with "== cat - Concatenate and display file contents == Example: cat file.txt | tr 'a-z' 'A-Z' *This command displays the contents of file.txt and converts all lowercase letters to uppercase1. == cut - Remove sections from lines == Example: cat /etc/passwd | cut -d: -f1,7 *This extracts the username and shell fields from the passwd file5. == head - Display the beginning of a file == Example: cat long_file.txt | head -n 5 *This shows the first 5 lines of long_file.txt1. == t..." current
• 07:5207:52, 20 February 2025 diff hist −7 Main Page →What is FOSS and OSS current
• 07:5207:52, 20 February 2025 diff hist +88 Main Page →What is FOSS and OSS
• 02:3802:38, 20 February 2025 diff hist −90 Common Commands with examples No edit summary current
• 02:3702:37, 20 February 2025 diff hist −2 Common Commands with examples →Absolute path - Specifies the complete path to a file or directory from the root of the file system
• 02:3702:37, 20 February 2025 diff hist 0 Common Commands with examples →Relative path - Specifies the location of a file or directory relative to the current working directory
• 02:3702:37, 20 February 2025 diff hist 0 Common Commands with examples →. (dot) - Represents the current directory in file paths
• 02:3702:37, 20 February 2025 diff hist −1 Common Commands with examples →bash - Bourne Again Shell, the default command-line interpreter for most Linux distributions
• 02:3602:36, 20 February 2025 diff hist +1,049 Common Commands with examples →Additional history-related features:
• 02:3502:35, 20 February 2025 diff hist +1,241 Common Commands with examples →To unset a variable, use:
• 02:3302:33, 20 February 2025 diff hist +724 Common Commands with examples →poweroff - Shut down and power off the system
• 02:2902:29, 20 February 2025 diff hist +2 Linux stuff No edit summary
• 02:2902:29, 20 February 2025 diff hist +107 Linux stuff →Links to useful Linux things
• 02:2802:28, 20 February 2025 diff hist 0 File placement and search No edit summary current
• 02:2802:28, 20 February 2025 diff hist +41 File placement and search No edit summary
• 02:2702:27, 20 February 2025 diff hist +1,953 N File placement and search Created page with "The Filesystem Hierarchy Standard (FHS) defines the directory structure and directory contents in Linux and other Unix-like operating systems. Here's an overview of important file locations, directory purposes, and commands for file placement and search: */bin: Essential command binaries for all users */boot: Boot loader files and kernels */etc: Host-specific system configuration files */home: User home directories */lib: Essential shared libraries and kernel modules */..."
• 02:2302:23, 20 February 2025 diff hist +89 Linux stuff No edit summary
• 02:1602:16, 20 February 2025 diff hist +85 Linux stuff →Links to useful Linux things
• 02:1102:11, 20 February 2025 diff hist +1,789 N Hard and symbolic links Weight Created page with "== n - Create links between files == Examples: *ln file1 file2: Create a hard link named file2 pointing to file1 *ln -s source target: Create a symbolic link named target pointing to source *ln -f existing_file new_link: Force creation of link, overwriting if it exists == ls - List directory contents, including link information == Examples: *ls -l: Long listing format, shows link count and symlink targets *ls -i: Display inode number for each file *ls -lF: Append indica..." current
• 02:0702:07, 20 February 2025 diff hist +1 Linux stuff No edit summary
• 02:0702:07, 20 February 2025 diff hist +103 Linux stuff No edit summary
• 02:0702:07, 20 February 2025 diff hist +1,459 Perform basic file management No edit summary current
• 02:0402:04, 20 February 2025 diff hist +91 Linux stuff →Links to useful Linux things
• 02:0302:03, 20 February 2025 diff hist +8 N Perform basic file management Created page with "==test=="
• 01:5801:58, 20 February 2025 diff hist +1,998 N Directory Manipulation and Management Created page with "== chmod - Change file mode bits == chmod modifies the permissions of files and directories. Examples: *chmod 755 file.txt: Set read, write, execute for owner; read, execute for group and others *chmod u+x script.sh: Add execute permission for the owner *chmod go-w shared_file: Remove write permission for group and others *chmod -R 644 directory/: Recursively set permissions for files in a directory == ls - List directory contents == ls lists files and directories, inc..." current
• 00:3400:34, 20 February 2025 diff hist +2 Linux stuff No edit summary
• 00:3300:33, 20 February 2025 diff hist +71 Linux stuff No edit summary
• 00:3100:31, 20 February 2025 diff hist −3,303 Linux stuff →Desktop environment
• 00:3100:31, 20 February 2025 diff hist +3,277 N Desktop environment Created page with "== startx - Start the X Window System == startx is a script that initializes the X Window System session. It sets up the environment and launches the X server along with initial clients. Examples: *startx: Start the X session with default settings *startx -- :1: Start X on display :1 *startx ~/.xinitrc: Use a custom initialization script == X server - Core component of the X Window System == The X server manages the display, keyboard, and mouse, handling rendering and..." current
• 00:3100:31, 20 February 2025 diff hist +69 Linux stuff →Links to useful Linux things
• 00:3000:30, 20 February 2025 diff hist +92 Linux stuff →Links to useful Linux things
• 00:3000:30, 20 February 2025 diff hist −4,725 Linux stuff →Create, monitor and terminate process
• 00:3000:30, 20 February 2025 diff hist +4,681 N Create monitor and terminate process Created page with "== & - Run a command in the background == The & symbol is used to run a command or script in the background, allowing you to continue using the terminal. Examples: *long_running_script.sh &: Run the script in the background *sleep 60 &: Run the sleep command for 60 seconds in the background *nohup command &: Run a command in the background, immune to hangups == bg - Resume suspended jobs in the background == bg resumes execution of a suspended job in the background. E..." current
• 00:2900:29, 20 February 2025 diff hist +68 Linux stuff →systemd
• 00:2900:29, 20 February 2025 diff hist −1,451 Linux stuff →systemctl - Control the systemd system and service manager
• 00:2900:29, 20 February 2025 diff hist +1,449 N SystemD Stuff Created page with "== systemctl - Control the systemd system and service manager == systemctl is the primary command-line tool for interacting with systemd, the init system and service manager for modern Linux distributions. It allows users to manage system services, check their status, and control various aspects of the system. Examples: *systemctl start apache2.service: Start the Apache web server service *systemctl stop mysql.service: Stop the MySQL database service *systemctl restart..." current
• 00:2800:28, 20 February 2025 diff hist +63 Linux stuff →Links to useful Linux things
• 00:1700:17, 20 February 2025 diff hist −3,097 Linux stuff →SSH Stuff
• 00:1700:17, 20 February 2025 diff hist +3,096 N SSH Stuff Created page with "== ssh - Secure Shell for remote system access == ssh is used to securely log into remote systems, execute commands on remote machines, and create encrypted tunnels for various network services. Examples: *ssh user@example.com: Connect to example.com as "user" *ssh -p 2222 user@example.com: Connect using a non-standard port (2222) *ssh -i ~/.ssh/my_key user@example.com: Use a specific private key for authentication *ssh user@example.com 'ls -l /tmp': Execute a command..." current
• 00:1700:17, 20 February 2025 diff hist +141 Linux stuff No edit summary
• 00:1400:14, 20 February 2025 diff hist +4,964 N Common Commands with examples Created page with "These commands and their usage are used for both the LinuC Level 1 Exam 101 and Exam 102. Using these commands in various scenarios to become proficient in basic command-line tasks, file management, and system administration. == ls - List directory contents == The ls command is used to list files and directories in a specified location. It has many options to customize the output. Examples: *ls -l: Long listing format, showing permissions, owner, size, and modification..."
• 00:1300:13, 20 February 2025 diff hist −5,000 Linux stuff →Common Commands with examples
• 00:1200:12, 20 February 2025 diff hist +3,303 Linux stuff →killall - Kill processes by name