Replace old text with new text Linux Command
[root@srv01 demo]# grep -rl ‘from test old’ . | xargs sed -i ‘s/from test old/from test new/g’
What’s ss Command? ss stands for socket statistics. It is used to dump socket statistics about network/socket connections. It’s showing information similar to netstat, it works better and faster compared with netstat. It can display more TCP and state information than other tools. Since the ss command gets all the information directly from kernel space…
This article describes how to check and upgrade the Linux kernel in OpenVZ, KVM, and Dedicated Servers (including the CloudLinux platform). Checking the Kernel Version To check system parameters such as the kernel version and build date, OS architecture, hostname, etc., you can use the uname command, which is included in coreutils package: # uname -rv 3.10.0-693.11.6.el7.x86_64 #1 SMP Thu Jan…
As a developer, you will occasionally need to create a new administrative user in the database to gain access to the site. Typically, this is necessary when you are provided with an export of a WordPress database, but you aren’t provided with the login credentials for the admin user. Sure, you can gain access via…
Have a website which needs Node.js to work and have no idea how to install it on your Server? No Problem, this guide will how you how you can install Node.js on your Server with CentOS Machine. Requirements Server with CentOS 6/7 Root Access to Server Procedure Login to Server using SSH Add Node.js repo…
Chrome and Firefox have started showing insecure warnings on sites without SSL certificates. Without SSL, your website will show insecure to the visitors. Therefore, using an SSL-encrypted connection for safety, accessibility or PCI compliance reasons is necessary. It becomes very important to redirect from HTTP to HTTPS. What is SSL? SSL (Secure Sockets Layer) is…
ERROR:- The response from the remote server was: 550 Please turn on SMTP Authentication in your mail client. mail-qk1-f172.google.com [209.85.222.172]:36503 is not permitted to relay through this server without authentication. SOLUTION:- Manage SMTP restrictions Click Enable to deny users the ability to bypass your mail server to send mail. To allow users the ability to bypass your…