How to prepare Linux

 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

 

+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

 

Preparing for a Linux administrator exam involves covering a wide range of topics related to Linux system administration. Here are some of the key topics to prepare for:

  1. Linux Fundamentals: This includes knowledge of Linux history, basic concepts, and architecture, as well as the use of the command line interface.

  2. System Administration: This includes knowledge of managing users, groups, and file permissions, as well as configuring network services and managing storage.

  3. Process Management: This includes knowledge of monitoring and managing processes, including starting and stopping services and handling system resources.

  4. Security: This includes knowledge of system security, such as configuring firewalls, monitoring logs, and implementing security policies.

  5. Networking: This includes knowledge of networking protocols, services, and configuration, including TCP/IP, DNS, DHCP, and routing.

  6. Virtualization: This includes knowledge of virtualization technologies such as KVM, VMware, and VirtualBox.

  7. High Availability: This includes knowledge of implementing high availability solutions, such as clustering and load balancing.

  8. Troubleshooting: This includes knowledge of common Linux problems and how to diagnose and resolve them.

It is also important to familiarize yourself with the specific Linux distribution and version that the exam focuses on, as well as any exam objectives or study guides provided by the exam provider. Additionally, practicing hands-on exercises and labs can help reinforce your knowledge and skills in these areas.

 

Comments

Post a Comment

Popular posts from this blog

AWK : Commands

Image
 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++   +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++  AWK AWK stands for "Aho, Weinberger, and Kernighan". It is named after its creators Alfred Aho, Peter Weinberger, and Brian Kernighan, who developed the language while working at Bell Labs in the 1970s. replace a word with another word awk '{gsub(/sreejith/, "Balakrishnan"); print}' filename  // This will replace all the sreejith to Balakrishnan Print a particular word if that appears in the file awk '{for(i=1;i<=NF;i++) if ($i == "word") print $0}' filename Print only once if a word was found in the file awk '{for (i=1; i<=NF; i++) if ($i == "sreejith" && !seen[$i]++) print $i}' test-file.txt   Print the last word that has "america" as its last word awk '$NF ~ /america$/' test-file.txt or awk '$NF ~ /america$/{print $0}' test-...
Read more

CURL Commands

Flag Description -A, --user-agent <string> Specifies the User-Agent string to send to the server. -b, --cookie <data> Sends cookies to the server. Can be a string or a file name. -c, --cookie-jar <file> Writes cookies to the specified file after the transfer. -d, --data <data> Sends data in a POST request. Can be used with application/x-www-form-urlencoded or application/json (with -H ). -F, --form <name=content> Submits form data. Useful for file uploads and multipart forms. -G, --get Forces curl to use the GET method instead of POST when -d is used. -H, --header <header> Adds a custom header to the request. Multiple h...
Read more

$$$$ Symbols in shell scripting

  Special Variable Description $# Number of positional parameters (arguments) passed to the script. $? Exit status of the last executed command. A value of 0 usually indicates success, and any non-zero value indicates an error. $0 The name of the script or command that is being executed. $1 , $2 , ... The first, second, and subsequent positional parameters passed to the script. $1 is the first argument, $2 is the second, and so on. $* All the positional parameters passed to the script, treated as a single word. "$@" All the positional parameters passed to the script, treated as separate words. This preserves each parameter as a distinct word, even if they contain spaces. ...
Read more