nixCraft - Page 2 of 23 - Linux Tips, Hacks, Tutorials, And Ideas In Blog

Ubuntu 17.10 no longer available for download due to LENOVO bios getting corrupted

in Linux News last updated December 25, 2017

Lenovo is a Chinese multinational technology company that is well known for LENOVO laptops, desktops and other IT equipment. The download of Ubuntu Linux 17.10 is currently discouraged due to an issue on specific Lenovo laptop models that are causing BIOS corruption or laptop bricking.

Deleting all existing comment author urls in WordPress using mysql command

in Command Line Hacks, Howto, Programming, Web Developer last updated December 23, 2017

I have like over 50k+ comments posted on this site. A commenter is allowed to leave their website or Github/Twitter URL in the comment section. Unfortunately, many websites are dead creating a mess. Many are just spam and nothing else. This is not good for anyone. Here is a quick way to delete all existing comment author URLs in WordPress using mysql command line option.

How to customize title in WordPress themes using pre_get_document_title

in Howto, Open Source, Programming last updated December 13, 2017

WordPress version 4.4 and above use a filter called pre_get_document_title() for a customzing title for each page, post, tag, category and more. For example, I can change 404 error title using this filter. One can use the wp_title() which was formerly deprecated in version 4.4 but was returned for compatibility reasons.

Update your OpenSSL on FreeBSD 10.x/11.x to fix vulnerabilities

in Howto, Open Source, Security last updated December 9, 2017

FreeBSD includes software from the OpenSSL Project for the Transport Layer Security (TLS) and Secure Sockets Layer (SSL) protocols. OpenSSL has multiple vulnerabilities on a FreeBSD. Currently, no workaround is available. You need to update OpenSSL on FreeBSD version 10.x and 11.x.

Updated version of Debian Linux 8/9 has been released

in Debian Linux, Linux News last updated December 9, 2017

The Debian project has announced an updated version of Debian 9 (codename “stretch”) and Debian 8 (codename “jessie”). One can get new updates merely running the apt command/apt-get command.

Monitor Linux CPU temperature, frequency, power in a graphical way

in Command Line Hacks, Howto, Python last updated December 9, 2017

S-tui is a free and open source terminal UI for monitoring your computer. s-tui allows to monitor CPU temperature, frequency, power and utilization in a graphical way from the terminal. It is written in Python and need root permission to use the s-tui. It is useful for:

Watch your CPU temperature/utilization/frequency/power
See performance dips caused by thermal throttling
No need to use X-server. Perfect for headless usage including Raspberry PI

Let us see how to install and use s-tui on a Linux based system.

gtop: Awesome system monitoring dashboard for Linux/macOS Unix terminal

in Command Line Hacks, Debian Linux, Howto last updated December 6, 2017

I like htop interactive process viewer. Recently I found another one called gtop. It is similar to top, but fancier. Let us see how to install and use gtop on a Linux or macOS Unix based system.

Book review: Mastering Vim Quickly From WTF to OMG in no time

in Reviews last updated November 18, 2017

The vim editor is a free and open source text editor. It is a clone of vi text editor. Vim is extremely popular among the Linux, macOS and Unix-like system users. Vim has many commands. It comes with a pretty extensive built-in manual too. One might get lost in the built-in manual. Let us see if “Mastering Vim Quickly From WTF to OMG in no time” can help a new or experienced vim user to increase productivity.

Command line fun: Insult the user when typing wrong bash command

in Command Line Hacks, Howto, Humour last updated November 17, 2017

You can configure sudo command to insult user when they type the wrong password. Now, it is possible to ~~abuse~~ insult the user when they enter the wrong command at the shell prompt.

Download of The Day: Fedora Linux 27

in Linux News last updated November 15, 2017

Fedora Linux version 27.0 has been released ( jump to download ) after many months of constant development and available for download in various media format. Fedora 27 is a free and open source operating system includes various new features such as GNOME 3.26, LibreOffice 5.4, glibc version 2.26, Node.js 8.x, Ruby on Rails 5.1, Golang 1.9 and more.
Continue reading “Download of The Day: Fedora Linux 27”