The latest release supersedes all previously released content for CentOS 7, therefore it is recommended for all users to upgrade their CentOS machines. This article will list the URL to download CentOS 7 ISO images. CentOS is an Enterprise-class Linux Distribution derived from sources freely provided to the public by Red Hat. For those who […]
Most system administrators have applied linux login banner on their servers. The purpose of this linux login banner is to show some messages or warnings when ssh session connected and before entry. The message displayed in the linux login banner is dedicated either to the system administrator who wants to perform routine system maintenance or […]
In this post i will show how to install Very Secure FTP (Vsftpd) and how to configure ftp server in linux Red Hat Enterprise Linux 6 (RHEL 6). Vsftpd is a GPL licensed FTP server for UNIX systems, including Linux. It is secure and extremely fast and it is stable. As an example I will install […]
Proftpd is one of the most popular FTP server, secure and reliable for the Linux operating system. Proftpd using a single configuration file and it is very easy to set up. The purpose of this article is to show you how easy it is to install FTP Server Linux ProFTPd server in CentOS 6 Linux. […]
Vsftpd stands for Very Secure FTP Daemon. Vsftpd is not just another popular Unix / Linux FTP Server, but vsftpd delivering outstanding performance by taking less memory. It is running under xinetd and allows you run one process less because xinetd is shared among various other small services. For those webmasters or blogger who intend […]
This article will explain and share how to add and remove user account with useradd(add) and userdel (remove) from the command-line on linux RHEL 6/7, CentOS 6/7, Oracle Linux 6/7 server. 1. Adding a New User to an Linux System. a) Get the useradd manual : # man useradd useradd – create a new user or […]
The following article explain how to Install and configure TigerVNC Server on CentOS 7.1 or Red Hat Enterprise Linux (RHEL 7.1) or Oracle Linux 7. TigerVNC (Tiger Virtual Network Computing) is a remote access utility that allows you to control other computers that running graphical desktop sharing in separate sessions in parallel. It is works […]
Old method to change the runlevel via /etc/inittab in Redhat Enterprise Linux version and CentOS server has become obsolete on RHEL 7 and CentOS 7. This latest Linux operating system uses systemd system management daemon and relies on systemctl command in order to change the runlevel. RunLevel is set with linking to /etc/systemd/system/default.target. Please make […]
This post assume that you have just finished the Gnome GUI installation on CentOS 7 by using “yum groupinstall “GNOME Desktop” “Graphical Administration Tools” -y” command. Previously you are running a minimum CentOS 7, only with command line via terminal. But after you reboot the server you get the following screen. Initial setup of CentOS […]
What is Tomcat Server and What is Apache Tomcat used for ? Apache Tomcat version 8 is an open source web server and servlet container developed by the Apache Software Foundation (ASF). It provides a web server environment for Java based source code and used to deploy Java Servlets and JSPs. Basically Apache is an […]
Q. How to show mailbox Size on Zimbra via bash script ? A. There are two script available to show mailbox size of the zimbra users : Option A 1. Create the scripts directory to keep the bash file and give zimbra ownership to the folder : # mkdir -p /opt/zimbra/backup/scripts # chown -R zimbra:zimbra […]
Q. How to show user mailbox size on zimbra via command line ? A. please issue the following command to show only the mailbox size on zimbra. 1. Display all users : $ zmprov gqu `zmhostname`|awk {‘print ” “$3” “$2” “$1’} Output : 384289 0 user1@ehowstuff.local 222445 0 admin@ehowstuff.local 25568 0 user2@ehowstuff.local 0 0 galsync.vtfk6uwt@ehowstuff.local […]