POFTUT Blog

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Debug Applications with gdb In Linux

gdb is the short form of GNU Debugger. Debugger is a tool used to search and find and get detailed information about bugs in applications binaries. gdb is popular in Linux community which is used by most of the IDE, Programming tools event in Android IDE’s. In this tutorial we will look...

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How To Redirect Http To Https In Apache and Nginx

Http is popular protocol used to transfer web page data like HTML, Javascript, Image etc. HTTP is used between our browser like Chrome, Firefox, Edge, Internet Explorer and server like Apache, Nginx etc. HTTPS is secure version of HTTP and recently sites transition to the HTTPS. But what is a...

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How To Configure Linux Wireless From Command Line with wpa_supplicant

wpa_supplicant is used to connect wireless networks. wpa_supplicant.conf  file is used to store related configuration file about the wireless network. Also wireless security policy is configured with this file. Install wpa_supplicant Package In most of cases the wpa_supplicant package is installed by default but we can use following commands in order to...

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How To Clean Unused Packages with Apt Autoremove?

Linux distributions uses package managers in order to install new software. apt is one of the most popular package management tool. Over time installed packages will be hold in the operating system. This is will create some overhead for disk usage. In this tutorial we will look to to remove this...

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How to Find Detailed Domain Information with whois Command?

whois  very popular and useful tool used to list and find domain information. We generally know that domain and sub domains are resolved to the IP address and our browser redirects to this IP address. But the actual story is not just this. Domain names have a lot of attributes...

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Linux Bash Shell Printf Command Examples

Linux provides different commands to print given string or data into the terminla or specified place. printf is one of them which is similar to the C programming language printf()  function. Actually it is cloned from C printf function which provides similar features to write given string to the terminal in a...

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How To Get Linux Network IP Address In Different Ways ?

We can determine Linux system IP address in different ways. IP address is used to communicate over network and can be get and set in different ways. In this tutorial we will use Ubuntu distribution but given examples and commands will work for all of the different Linux distribution like...

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How To Manage Windows Services with services.msc

Windows operating system provides services in order to complete task in the foreground. There may bcome different type of job services in order to accomplish tasks like printing, network authentication, encryption etc. Windows provides a lot of services by default. But more services can be added by third party applications...

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Linux “Apt-Get Command Not Found” Error Solution

Linux distributions are using package managers in order to install, update and remove applications. In the old days there are very less package managers those are not so good. In to day they are very talented. apt-get command not found is command error type which is shown while installing, updating...

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Troubleshoot and Check Cron Job Logs

cron is very useful tool and mechanism to schedule jobs in Linux operating system. cron can run scripts, commands, binaries if set properly. But in some cases there may be some mis-configuration or unexpected behavior. So we may not be sure whether cron runs like we want. We can check...

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