Read mode only || Centos Error

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Hi, We help customers do business better by leveraging our industry-wide experience, deep technology expertise these technology includes setup and management of different Linux web hosting servers like CentOS, RedHat, Ubuntu, Debian etc. We provide so prompt project delivery, thus we perform our responsibilities precisely with our scrupulous attention and full dedication. We have expert level knowledge in web hosting panels like cpanel, plesk, webmin , ispconfig, zpanel, Direct admin etc. Initial server setup steps:- Install LAMP Bind to name server Install Postfix for send the mails Install Dovecot to receive the mails Install vsftp etc. Install panel All linux flavours supported Services Support:- Apache,IIS, Tomcat, DNS, Windows ASP.NET, PHP, Java, AWS, MSSQL, MySQL Exim, Postfix, sendmail, Mail Enable, smarter mail, powermta etc. Server Log Monitoring:- Techs will be monitoring the Server Logs Restart Services if necessary and required Fix issues if any of the services have problems Basic Server Security:- Server Securing and Hardening CSF Firewall Installation & Configurations LFD Alerts on Brute Force Attacks SMTP Tweaking PHP Hardening (SUPHP, SUHOSIN ) Mod_security Setup and Configurations Root Login Email Alerts Server Migrations:- Backup Restorations, Database Restorations from Secondary Backup Disks etc. Cpanel to Cpanel Server Migration ( WHM Transfer/Rsync/SCP ) Thank you

Hello, Please let me know more information about the error and which file you were trying to edit also let me know are you using any control Panel on your server. Thank you

Estimado señor, Estoy trabajando en la empresa de alojamiento web y tener una buena experiencia de Centos espero que mejor le puede ayudar en este proyecto para fijar leer único problema.

Hello Sir, I have gone through your requirements is. I brief and understand your idea and preference for job as you are looking forRead mode only || Centos Error. I have more than 8+ years of experience in Network support and Web Hosting, Network Solution, Web Hosting, WHM, Cpanel, Plesk Panel, Router Firewall Configuration, Advance DNS Solution, Server Config. Computer Help, Maintain server performance, VPN, Cloud Server, Data Recovery, Remote Support, Security, troubleshooting, Web Security. Network Design and Implementation. I have Completed more than 43 projects at various location in Domestic level and international level. i have completed site for Network setup and Server installation and configuration at Lagos state, Nigeria, SA. Please send me message for further conversation. Thanks, Arity Infoway

I'm a professional with experience of over 10 years in management of Linux platforms, information security, Cisco equipment, asterisk and web applications Certificates: ASTERISK DCAP, LINUX LPI, RED HAT RHCSA, CCNA and CCNP, CEH EC-Council

Experiencia en el manejo de sistemas operativos UNIX y Linux. El problemas parace ser de permisos, para tener una idea mas clara, el archivo que intenta modificar ¿es algún archivo de configuración del systema? ¿con que usuario está ingresando al sistema?