i have been struggling to find some way or another to transfer my file from one linux server to another using commandline. Before this i was just using cpanel to do backups. Here is an easy way to accomplish transferring backup files from one server to another in linux. Just simple command using SCP (secure [...]
How to disable root login and create an alternate SSH user? In order to disable root access on your server, you need to create an alternate SSH user who have privileges to gain root access else you will be locked out of the system. First, create a user say ‘admin’ # useradd admin Set a [...]
Your Ftp server rejects your access to the server on providing the username and do not prompt for a password as well and you may see the following error in the your server logs: Jan 10 11:22:33 mai1 pure-ftpd: (?@xx.xx.xx.xx) [WARNING] Sorry, cleartext sessions are not accepted on this server. Please reconnect using SSL/TLS security [...]
How about backing up all the databases in the server? That’s an easy one, just use the –all-databases parameter to backup all the databases in the server in one step. mysqldump –all-databases> alldatabases.sql How to Backing up only the Database Structure in MySQL You can backup only the database structure by telling mysqldump not to [...]
tail is one of the best tool to view log files in a real time (tail -f /path/to/log.file). The program MultiTail lets you view one or multiple files like the original tail program. The difference is that it creates multiple windows on your console (with ncurses). This is one of those dream come true program [...]
Here are some basic steps to secure Apache Web Server IMPORTANT NOTE: These suggestions may vary from server to server and modify the values as per your server configurations. It is up to you to determine if any of the changes suggested here are not compatible with your requirements. 1. Hide the Apache Version number, [...]
1. Enable SYN cookies mechanism in the server by the executing command: # echo 1 > /proc/sys/net/ipv4/tcp_syncookies 2. Increase the backlog queue to 2048 by the command: # sysctl -w net.ipv4.tcp_max_syn_backlog=”2048″ Incoming search terms:net ipv4 tcp_max_syn_backlog plesk (2)centos prevent syn (1)increasing the backlog queue centos (1)prevent centos from syn (1)
Icinga is an enterprise grade open source monitoring system which keeps watch over networks and any conceivable network resource, notifies the user of errors and recoveries and generates performance data for reporting. Scalable and extensible, Icinga can monitor complex, large environments across dispersed locations. I am going with the Icinga basic installation and this is [...]
I am not going to ramble on about what host based intrusion detection is or why to use it, as there are plenty of articles already covering those subjects. This article is just to show you how to get Samhain up and running in a client / server configuration with a couple bells and whistles [...]
Introduction Traditionally, information security has been primarily defensive. Firewalls, Intrusion Detection Systems, encryption; all of these mechanisms are used defensively to protect one’s resources. The strategy is to defend one’s organization as best as possible, detect any failures in the defense, and then react to those failures. The problem with this approach is it [is] [...]
