November 29, 2020

Category: Linux Tutorials

How to Save A File In Vi/Vim & Exit
editor, Linux Tutorials, TecAdmin, vi, vim

How to Save A File In Vi/Vim & Exit

Vi is a command-line text editor for the Unix/Linux based systems. Vim (Vi IMproved) is feature rich successor of the Vi text editor with multiple enhancement and user friendly. Let’s go through the first step to learn Vim to save and close file. This tutorial will help you to understand, how to save file on […]

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How to Install ZSH on Ubuntu 20.04
Linux Tutorials, shell, TecAdmin, zsh

How to Install ZSH on Ubuntu 20.04

The Zsh (Z shell) is a interactive login shell for the Unix/Linux systems. It has multiple improvement over the Bash shell and includes the best features of the Bash, ksh and tcsh shells. This tutorial will help you to install ZSH on Ubuntu 20.04 LTS Linux system. A Running Zsh Shell on Ubuntu Installing ZSH […]

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How To Install Wine 5.0 on Ubuntu 20.04
Linux Tutorials, TecAdmin, wine, winehq

How To Install Wine 5.0 on Ubuntu 20.04

Wine (Wine Is Not an Emulator) is an open-source application provides compatibility of running software developed for Microsoft Windows on Unix-like operating systems. With the help of Wine, you can run Windows software on a Linux system. Wine 5.0 is the latest version available for the installation on Ubuntu systems. This tutorial will help you […]

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cPanel, cPanel Guides, Internet, Linux Administration, Linux Tutorials, Technology, Web Hosting Guides

Error to send emails: Unable to open file /var/lib/plesk/mail/srs/secret: Permission denied

We were unable to send emails to any email account, below error found in /var/log/maillog:  type=AVC msg=audit(1524598331.078:35761): avc: denied { read } for pid=450 comm=”postfix-srs” name=”secret” dev=dm-0 ino=136160 scontext=unconfined_u:system_r:postfix_master_t:s0 tcontext=unconfined_ u:object_r:mail_spool_t:s0 tclass=file 1- Log in to the server via SSH 2- Install audit2allow utility: # yum install policycoreutils-python 3- Create allows policy for postfix-srs: # grep postfix-srs […]

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cPanel, cPanel Guides, Internet, Linux Administration, Linux Tutorials, Technology, Web Hosting Guides

Uploading of big file size fails: client intended to send too large body

one of our client trying to upload big file size which fails with the following error in /var/www/vhosts/system/example.com/logs/proxy_error_log file: Nginx support is enabled on the server: /usr/local/psa/admin/bin/nginxmng -s Enabled We try to adjust client_max_body_size in /etc/nginx/nginx.conf but it has no effect. Actually, Value for client_max_body_size directive is overwritten on domain level and is insufficient. To […]

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