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How to know which port is open from unmanaged remote host? How to determine running application and services from remote host? How to do basic port scanning against a host? How to confirm ports opened from remote host? Here are a several ways to do port scanning and know which port/services are currently opened from [...]
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The Trivial File Transfer Protocol (TFTP) is normally used only for booting diskless workstations. The tftp-server package provides the server for TFTP, which allows users to transfer files to and from a remote machine. TFTP provides very little security, and should not be enabled unless it is expressly needed. The TFTP server is run from [...]
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A lot of powerful monitoring tools are freely available from linux world. One of them is Nagios. Nagios is a fairly complex linux monitoring tool that determines current status of target host or equipment. Two good things about Nagios is that Nagios supports web-enabled administration page and user view-only mode account. The other one is [...]
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phpMyAdmin is an opensource tool written in PHP intended to handle the administration of MySQL database and table over the web. Currently, phpmyadmin can create and drop databases, create/drop/alter tables, delete/edit/add fields, execute any SQL statement, manage keys on fields, manage privileges, export data into various formats and is being distributed in more than 50 [...]
Database, Linux, MySQL accesses, apache, authenticate, backend, bases, computer, config, connection, create, databases, edit, edition, exports, file, format, hostname, hosts, httpd, images, install, multiple, mysql, passwords, port, ports, privilege, privileges, scripts, secure, Security, server, servers, services, SQL, table, tools,
At times, when dealing with text file that contains numeric values that are separated by white space, there is a need to convert white spaces between numbers into line breaks or new lines. Here’s a quick tip on how to convert white space to new lines or line breaks. As an example, a created text [...]
IT-Tips, Linux command, create, file, linux,
What is BIND? BIND (Berkeley Internet Name Domain) is an implementation of the DNS (Domain Name System) protocols. BIND includes a DNS server (named), which resolves host names to IP addresses; a resolver library (routines for applications to use when interfacing with DNS); and tools for verifying that the DNS server is operating properly. When [...]
DNS, Linux bind, check, chroot, command, configuration, configure, file, hosts, install, interface, possibilities, protocol, server, servers, services, system, systems, tools, what,
What is Archivemail? Archivemail is a tool written in Python for archiving and compressing old email in mailboxes. Archivemail can move specific and/or group of mbox/imap email messages older than the specified number of days to a separate mbox format mailbox that is compressed with gzip, or optionally just delete old email or simply archive [...]
Email, Linux, Sendmail Backup, byte, caution, command, compress, configuration, configure, Copy, date, directory, email, extension, file, folders, format, group, install, mbox, protocol, Python, roots, ssl, tools, what,
Runlevels on linux OS presents major differences on how your linux box will boot up and behave. Runlevels on linux changes a variety of execution patterns on loading up INIT process, environment, kernel modules, applications and services when booting up a linux box. In Linux, runlevels are represented by /etc/inittab text file. The default runlevel [...]
Linux boot, choose, difference, edit, edition, enable, file, install, interface, kernel, linux, logins, network, networking, nfs, roots, services,
Here’s is a command that shows several usage and ways of retrieving disk space usage. This disk space usage command is another abused and bypassed linux command that has been repeated over and over again from samples and old linux blog entries among the blog entries around here. Here’s a quick run covering details and [...]
Linux Backup, blog, boot, byte, check, command, determine, equivalents, file, linux, listing, partition, partitions, roots, sync, system, systems,
Here’s another useful command liner utility that can check and correct spelling of a file. How to check the spelling of a HTML file from terminal? How to check the spelling of a Latex file from terminal? How to check the spelling of a nroff/troff file from terminal? How to check spelling of a file [...]
Linux bases, check, command, compilation, compiler, file, functionality, help, ignore, install, linux, personal, sessions, shell, source, system, systems, tools,
I guess you want to learn how to rename a file? Renaming a file is as easy as copying files. Renaming file takes the mv ( short for move ) linux command. The move command can also be used to move files from source to destination folder location. However, this entry would not cover moving [...]
Linux command, Copy, file, folders, linux, rename, source,
Considering that you have 50MB of single file. Your friend needs it urgently. The situation shows that the ONLY means of transferring this large file between you and your friend is thru email exchanges. The problem is both your ISP limits the size of email attachments to 5MB file attachments. How to transfer 50MB large [...]
IT-Tips, Linux attachments, command, compress, email, file, filesize, linux, multiple, roots,
Here’s a quick howto on converting PDF files into HTML file. PDFtoHTML linux tool converts PDF files into multiple file formats like HTML, XML, and PNG images. By default usage, the output is written to current working folder. PDFtoHTML linux tool is based on XPDF version 3.00. PDFtoHTML PDF converter tool is part of poppler-utils [...]
IT-Tips, Linux bases, directory, file, folders, format, images, install, linux, multiple, tools, xml,
A quick blog post on how to determine your Fedora release name and its release version. For several years of staying and working under a company with multiple linux distributions and versions, multiple OS upgrades and server redundcancy backups makes it somehow confusing and difficult to differentiate which release name and version was a specific [...]
IT-Tips, Linux Backup, blog, check, determine, file, linux, multiple, redhat, server, servers,
Listing hardware in linux can be done quite difficult specially for new linux users. There are many way on how one can obtain hardware list from his PC. Here’s another alternative on listing out your hardware details from Fedora box. Lshw is a linux tool for listing out hardware details from your PC. Using this hardware [...]
IT-Tips, Linux configuration, configure, difference, enable, exports, file, format, help, install, linux, listing, machine, memory, speed, system, systems, tools, what, xml,
