Understanding Squid Access Log
Many times we find difficulty to understand SQUID access logs and hardly there are a few references available. This article provides complete details about understanding SQUID access logs.
Read more »
Chroot SSH Configuration on Linux|RHEL|CentOS
Using OpenSSH you can bind SSH or SFTP users to their home directory and restrict them to access other directories on the SSH server. In this article we will demonstrate…
Read more »
How to setup passwordless chroot SFTP on Linux
This article describes a step by step procedure to set up password-less chroot SFTP login between a source and destination system.
Read more »
SFTP chroot configuration on Linux
SFTP provides secure file transmission method however a SFTP logged in user can browse other sub-directories other than the user’s designated home directory. This article provides a step by step…
Read more »
Multiple subnet PXE installation with Linux DHCP
In computing, the Pre-boot Execution Environment describes a standardized client-server environment that boots a software or operating system, retrieved from a network, on PXE-enabled clients. On the client side it…
Read more »
No subnet declaration for ethx
No subnet declaration for eth1 (no IPv4 addresses). Ignoring requests on eth1. If this is not what you want, please write a subnet declaration in your dhcpd.conf file for the…
Read more »
SFTP restrict delete or remove or rename permission
sftp is an interactive file transfer program, similar to ftp(1), which performs all operations over an encrypted ssh(1) transport. sftp-server is a program that speaks the server side of SFTP…
Read more »
How to enable EPEL repository on CentOS or RHEL
EPEL (Extra Packages for Enterprise Linux) is a volunteer-based community effort from the Fedora project to create a repository of high-quality add-on packages that complement the Fedora-based Red Hat Enterprise…
Read more »
SSH login delay|slow
Many times we observe there is some delay in SSH login and the delay might be from 2 seconds to 2 minutes. There are a few troubleshooting steps we need…
Read more »
Exclude certain|specific logs from Nginx
Nginx logs are needed to track all events generated on the Webserver. However there are some specific events which are not needed to track. turning off of those logs or…
Read more »