linux - Eduguru - Page 29

ubuntu

sudo privileges to an existing user in ubuntu

January 16, 2019 eduguru How do I grant sudo privileges to an existing user?, sudo privileges to an existing user in ubuntu, sudo privileges to existing user in ubuntu, sudo privileges user ubuntu, ubuntu, ubuntu user

sudo privileges to an existing user in ubuntu If you have already created the user, you can add the user

grep linux command

Filter Logs with Grep : linux Command Grep

January 1, 2019 Manisha Patel Filter Logs with Grep : linux Command Grep, find text in the log file, grep, grep "Invalid user" /var/log/auth.log, grep command, grep within the file, Linux, linux grep command, search text inside the file, understand the use of grep is to extract useful information from system logs, use of grep

Filter Logs with Grep : linux Command Grep Let’s understand the use of grep is to extract useful information from system logs:

ssh

OpenSSH Server Best Security Practices: secure your OpenSSH server

December 27, 2018 eduguru Bonus tips from Mozilla, BSD PF Example, BSD PF Firewall Configuration, Change SSH Port and limit IP binding, Chroot OpenSSH (Lock down users to their home directories), Configure idle log out timeout interval, Disable .rhosts files (verification), Disable Empty Passwords, Disable host-based authentication (verification), Disable OpenSSH server on client computer, Disable password based login, Disable root user login, Enable a warning banner for ssh users, Firewall SSH TCP port # 22, How do I test sshd_config file and restart/reload my SSH server?, How to add mani user to sudo group on a CentOS/RHEL server, How to add mani user to sudo group on a Debian/Ubuntu, Iptables Example, Limit Users’ ssh access, Netfilter (Iptables) Configuration, OpenSSH defaults port and configuration file, OpenSSH Server Best Security Practices: secure your OpenSSH server, Patch OpenSSH and operating systems, Rate-limit incoming traffic at TCP port # 22 (optional), Test sudo access and disable root login for ssh, Thwart SSH crackers/brute force attacks, UFW for Debian/Ubuntu Linux, Use port knocking (optional), Use SSH public key based login, Use strong passwords and passphrase for ssh users/keys, Use TCP wrappers (optional)

OpenSSH Server Best Security Practices: secure your OpenSSH server OpenSSH is the implementation of the SSH protocol. OpenSSH is recommended

vi-editor

Vi – Linux file editor

December 20, 2018 Manisha Patel Copy in vi editor, Cut in vi editor, Deleting Text with vi, exit from vi editor, Linux, linux file editor, Paste in vi editor, Quitting vi editor, Replacing Text with vi, Saving vi editor, Vi - Linux file editor, Vi Modes

Vi – Linux file editor If you find that vi is hard to use, there is some good news: RHEL

Linux yum

Setup SFTP Server on linux

December 11, 2018 eduguru centos secure file transfer, configure secure ftp, configure sftp in ubuntu, configure sftp on centos, Configure sshd, Create the new user SFTP directory, Create the SFTP group and user, FTP, install sftp on centos, Linux, Logging in and Test sftp, secure file transfer, setup sftp, Setup SFTP Server on linux, sftp, sftp configuration on linux, SFTP Directory

Setup SFTP Server on linux CentOS 7 or any Linux server distribution is a very powerful server that performs above and

Linux yum

Get Email Alert on Root Login Linux

December 9, 2018 Manisha Patel -k : Kill processes accessing the file. -m : Name specifies a file on a mounted file system or a block device that is mounted. In above example you are using /mnt Linux umount command to unmount a dis, email alert on root login, Get Email Alert on Root Login Linux, Get Linux Server Sends Email Alert on Root Login, linux root login security, linux script, linux security, root login access alert

Get Email Alert on Root Login Linux To improve the security of the server, especially web server which exposes to

Linux yum

linux Linux Command

Find All Sudo Users In CentOS linux

November 4, 2018 Manisha Patel all sudo user in linux, centos sudo user, Find All Sudo Users In CentOS linux, get all sudo users in linux, get sudo user, Linux, linux command, linux command to find sudo user, list all the users of a linux system, list the sudo user, Remove sudo privileges of an User, remove super user, sudo user, sudo user account in linux, To List all the user in a system

Find All Sudo Users In CentOS linux As a linux administrator, sometimes you need to how many super users and normal

understanding selinux

SELinux : Introduction to SELinux

October 31, 2018 Manisha Patel basic of selinux, implement selinux, learn selinux, Linux, Security-Enhanced Linux, SELinux, SELinux : Introduction to SELinux, understanding of selinux, what is selinux

SELinux : Introduction to SELinux SELinux, or Security-Enhanced Linux, is a part of the Linux security kernel that acts as

Runing Asterisk command from bash script -shell script

May 5, 2018 eduguru 1 Comment bash: #!/bin/sh asterisk -rx 'command' if you want to see the result of a command in a file: asterisk -rx 'command' > /some_dir/some_file.txt Perl: #!/usr/bin/perl system qq(asterisk -rx 'command'), Runing Asterisk command from bash script -shell script

bash: #!/bin/sh asterisk -rx ‘command’ if you want to see the result of a command in a file: asterisk -rx

lamp installation

Installing LAMP on RHEL or Centos 7

April 30, 2018April 30, 2018 eduguru 0 Comments Apache, Check status of httpd services on RHEL or Centos 7, Install and Configure MariaDB Database on RHEL or Centos 7, Install LAMP Server (Apache, Install php on RHEL or Centos 7, Install PhpMyAdmin on RHEL or Centos 7, Installing LAMP (Linux, Installing LAMP on RHEL or Centos 7, lamp install, lamp installation, MariaDB, Now enable all the installed Packages at startup on rebooton RHEL or Centos 7, PHP/PhpMyAdmin) in RHEL or CentOS 7, PHP/PhpMyAdmin) in RHEL/CentOS 7.0, Restart httpd resvices on RHEL or Centos 7, restart httpd services on RHEL or Centos 7, Start httpd services on RHEL or Centos 7, Stop httpd services on RHEL or Centos 7

Installing LAMP on RHEL or Centos 7 Install httpd services – Web service # yum install httpd Restart httpd resvices