Hi all, The log files help us to get information about the activities taking place on a server. The Logwatch is a management tool for analyzing and reporting on a server’s log files. It can be used to send information to the system administrator about the log activity as mentioned earlier. What are log files?… Read More »
Hello all,Do you have a Virtual Private Server (VPS)? If yes, you might have heard about a module called TUN/TAP. This module is required to run a VPN application on your server. As we all know a VPN adds privacy and security to networks wheather it’s private or public. Companies use it often to protect… Read More »
The ‘ netstat’ command can be used to know get information like network connections, routing details, interface statistics, and also information about other connections that related to the server. There are many netstat commands with various switches, some commonly used and effective ones are shown below with examples. List all listening and non-listening ports. List… Read More »
Hello everyone, The ‘kickstart’ installation is nothing but automating the operating system installation process on a machine or system. The method helps to avoid human interaction with the system during the installation process. It’s not possible to install the OS on thousands of systems using the traditional method and in such cases the ‘kickstart’ installation… Read More »
DU is the short form of Disk Usage. The linux du command is used to summarize or find out the disk usage in terms of file size. It can be used to get the size of the folders and the total disk usage. The following are some of the du commands that we normally use.… Read More »
Hello, Taking the backup of a single table of a MySQL database and restoring it is possible via command line. You might have done this using phpmyadmin or via other applications, let’s check how this can be done using the command line tool. I am not writing too much, let’s directly move to the steps:NOTE:… Read More »
lsof command in Linux: lsof is one of the most powerful tool for all sysadmins to check and analyze processes running on your Linux server. This gives a detailed information about processes running on the server, path to the executables and other library files the process is calling. In other words, it gives a list… Read More »
Hi all, Server security is very important when we run important applications or websites on servers. As a Linux systems administrator enhancing security or finding intruders, hackers etc and block them from taking or destroying our data is inevitable. Security features can be added, there are many applications, tools for this which can alert us… Read More »
Hi, If you guys are getting the below mentioned error with the syslog, you can follow the steps mentioned in here to have a fix for it. The error in the syslog will look like below:kernel: Neighbour table overflow This problem usually occurs in 2.6X kernels if your node is inside a large network. There… Read More »