Author: CsarGrnds

Working With Cron Jobs On Linux

Working With Cron Jobs On Linux

Cron Jobs are used for scheduling tasks to run on the server. They’re most commonly used for automating system maintenance or administration. However, they are also relevant to web application development. There are many...

Visualize Files Content – Cat, Tail, Head

Visualize Files Content – Cat, Tail, Head

Cat, Tail, Head Commands are so useful when you are working with files. Head Command The head command reads the first ten lines of a any given file name. head [options] [file(s)] Options -c,...

8 Touch Command Examples

8 Touch Command Examples

Check this 8 Touch Command Examples so you can easily manage files and directories. touch is a standard Unix command-line interface program which is used to create empty files, update the access date or modification...

Nmap Examples For Network Admins

Nmap Examples For Network Admins

Nmap (Network Mapper) is a security scanner used to discover hosts and services on a computer network, thus creating a “map” of the network. To accomplish its goal, Nmap sends specially crafted packets to...

Check and Repair Corrupted File System On Linux

Check and Repair Corrupted File System On Linux

fsck utility is used to check and repair Linux filesystems (ext2, ext3, ext4, etc.). Depending on when was the last time a file system was checked, the system runs the fsck during boot time...

New Linux Networking Commands

New Linux Networking Commands

Deprecated Linux networking commands in question are: arp, ifconfig, iptunnel, iwconfig, nameif, netstat, and route. These programs (except iwconfig) are included in the net-tools package that has been unmaintained for years. The functionality provided...

Cover Your Tracks Like a Ninja

Cover Your Tracks Like a Ninja

Today i’m going to show you how to cover your tracks on a Linux Server and Leave no trace behind. First at all, where are the login information stored? The /var/log/lastlog file stores user last login...

Server Maintenance Checklist

Server Maintenance Checklist

1. Verify your backups are working. Before making any changes to your production system, be sure that your backups are working. You may even want to run some test recoveries if you are going...