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How to set rsync speed limit from eating all bandwidth with –bwlimit...
The rsync command is eating all my bandwidth from a backup script and generating tons of I/O. How do I set a limit for file transfer speed of rsync command on Linux or Unix-like system? How can I keep...
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How to find all hard links in a directory on LinuxnixCraft
I have a file named /etc/passwd i and I would like to find all hard links to this file in a directory. How do I find out all other hard links to the /etc/passwd in /backups/ directory? How can find all...
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How to forcefully shutdown a guest VM using virsh command on Linux KVMnixCraft
I used the command 'virsh shutdown vm1' to shut down a guest named vm1 using the virsh command. However, it is still running, and my vm1 is not responding to an ssh session. Is there is a way to...
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How to use parallel ssh (PSSH) for executing ssh in parallel on a number of...
Recently I come across a nice little nifty tool called pssh to run a single command on multiple Linux / UNIX / BSD servers. You can easily increase your productivy with this SSH tool. More about pssh...
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How to wipe a signature from a disk device on Linux with wipefs commandnixCraft
I recently decommissioned Debian Linux based nas server and moved disk from my nas server to Linux-powered desktop. However, when I run fdisk command, I am getting the following error: /dev/sdb:...
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How to install GlusterFS with a replicated high availability storage volume...
I want to share my web server DocumentRoot /var/www/html/ across 2 Apache web server. Both of my web servers are behind load balanced reverse proxy powered by Nginx. How do I setup and install...
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How to install GlusterFS with a replicated high availability storage volume...
I want to share my web server DocumentRoot /var/www/html/ across 2 Apache web server. Both of my web servers are behind load balanced reverse proxy powered by Nginx. How do I setup and install...
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The Librem 13 v1: A full-fledged modern laptop with coreboot for freedom and...
Coreboot is a free and open source software. The project aimed at replacing the proprietary BIOS firmware and blobs. Unfortunately, Coreboot does not run on the modern laptop (except Chromebooks) due...
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The Librem 13 v1: A full-fledged modern laptop with coreboot for freedom and...
Coreboot is a free and open source software. The project aimed at replacing the proprietary BIOS firmware and blobs. Unfortunately, Coreboot does not run on the modern laptop (except Chromebooks) due...
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How to disable smileys/emojis in WordPress headers to speed up the sitenixCraft
WordPress has smileys or so-called emojis added in version 4.2+. It added emoji character using javascript and other junk. It slows down the site for no real reason, and I do not use it at all. Here is...
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How to enable the gzip/deflate in nginx server on Linux or Unix systemnixCraft
I am a new Linux system admin and how can I enable gzip compression on nginx web server for JS/CSS/HTML files?
View ArticleHow to install and configure MariaDB Galera as master to master replication...
How do I install and configure MariaDB Galera master to master cluster on Ubuntu Linux 16.04 LTS server to get both read and write scalability?
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How to enable TLS/SSL encryption with Glusterfs storage cluster on LinuxnixCraft
I setup GlusterFS cluster on Ubuntu Linux. How do I enable network encryption using TLS/SSL for my Glusterfs storage cluster on Linux for security reasons? How do I setup I/O encryption and management...
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How to extract a .deb file without opening it on Debian or Ubuntu LinuxnixCraft
I downloaded a .deb Debian file. How do I extract deb package without installing it on my Debian or Ubuntu Linux based system? How do I list and extract the contents of a Debian package?
View Articlevim-plug: A beautiful and minimalist vim plugin manager for Unix and Linux...
A vim plugin manager is a must for any die-hard vim user. You can find a few option available out there. My personal favorite is vim-plug which is a beautiful and minimalist plugin for vim. Let us see...
View ArticleUbuntu Linux Remove/Delete PPAs apt-get commandnixCraft
Over time I have added way too many PPAs using the add-apt-repository command on Ubuntu Linux 16.04 LTS server for testing purpose. How can I delete or remove those PPAs? Is there a command to list all...
View ArticleUbuntu Linux Remove/Delete PPAs apt-get commandnixCraft
Over time I have added way too many PPAs using the add-apt-repository command on Ubuntu Linux 16.04 LTS server for testing purpose. How can I delete or remove those PPAs? Is there a command to list all...
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How to configure Lighttpd web server with free Let’s Encrypt SSL certificate...
I read your Nginx and Let’s Encrypt free SSL certificate tutorial. However, I use Lighttpd web server on AWS cloud. How do I secure my Lighttpd web server with Let’s Encrypt free SSL certificate on my...
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How to get common name (CN) from SSL certificate using openssl commandnixCraft
I configured and installed a TLS/SSL certificate in /etc/ssl/ directory on Linux server. I was wondering if can I find out the common name (CN) from the certificate using the Linux or Unix command line...
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Fixing WordPress: ‘Briefly unavailable for scheduled maintenance. Check back...
So I ran into this problem. No matter what I did my WordPress installation displayed a stupid error that read as follows:Briefly unavailable for scheduled maintenance. Check back in a minute. Here is...
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