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Linux, Windows, Virtualization based technical articles, reviews, and How-TOs.

domains

What are the most common domain extensions?

Following the global lockdown imposed by COVID-19, websites have become even more critical for businesses and independent contractors. People are now more likely to visit a website than a physical location. Choosing the right domain name for your business, personal blog, or portfolio website is more important than ever. A few things need to be …

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Magento vs woocommerce

The ultimate comparison of Magento and WooCommerce

E-commerce platforms are available on the market if you’re building websites. It’s hard to say. Both Magento and WooCommerce are discussed in this post. There are a number of factors to consider when choosing an eCommerce platform. Among them are: Your spending plan. Whether you need a platform that can handle higher volumes of sales …

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wordpress speed

How to speed up WordPress website?

Even though your WordPress website looks great and is sure to impress your visitors, there’s one problem — it’s taking too long to load. Is it worth the wait for your visitors to see what you’ve worked so hard on? It’s unlikely. Because WordPress can be sped up, you can get those pages in front …

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How to reset GPU’S ON DGX-1 Servers?

NVIDIA provides a tool called nvidia-smi to monitor and manage the system’s GPUs. GPUs can be reset individually or collectively with this tool. Individual GPUs on the DGX-1 and DGX-1V platforms cannot be reset because they are linked via nvlink, so all of the GPUs must be reset at the same time. Errors that occur …

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NVIDIA RTX A6000 Graphics Card 48GB GDDR6 GA102 GPU

How to Reset a Graphics Card?

If you’re a gamer, your graphics card is an absolute necessity, but it can also be a major source of frustration. Indeed, if your PC crashes while gaming, there’s a good chance your graphics card is to blame. When something goes wrong with your graphics card, it’s almost always a hardware issue. You don’t have …

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Error “Too many files open” on CentOS

You may encounter “Too many open files” error during login, and the session is instantly canceled. This error happens when a user or system has more open files than the default setting allows. Use the following command to see how many files can be open at the OS level. # cat /proc/sys/fs/file-max This value shows …

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DOMAIN INVESTOR TERMS

Domain Investor Terms

Shorthand and phrases used by domain investors are frequently unfamiliar to the outsider. For example, a domain investor might say, “I hand-regged a bunch of domains because the drop and the aftermarket are too expensive and full of frontrunners. I parked them to earn PPC.” If you thought that was a lot of nonsense, this …

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How to reinstall GRUB and GRUB2 on UEFI-based machines?

Note: DO NOT execute grub-install/grub2-install on the boot disk on uefi systems. CentOS Linux 7, 8, 9 The following commands will reinstall all of the files in /boot/efi/EFI/ that are required for uefi booting. # yum reinstall grub2-efi-x64 shim-x64or# rpm -ivh --replacepkgs --replacefiles grub2-efi-x64-<version>.rpm shim-x64-<version>.rpm A new boot entry may need to be added when …

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Restrict rsync access over SSH

The rsync package includes a restricted rsync script called rrsync, which is normally located in /usr/share/doc/rsync/support and allows you to restrict rsync. Ensure that the rsync package is installed before looking for the rrsync script. Yum install rsync or, dnf install rsync or you can also confirm rrsync presence by searching rsync files as follows. …

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rsync hangs when “-vv” or “-vvv” flags are used

When using -vv or -vvv, the rsync command hangs after a while. The same rsync command works perfectly with less verbosity. $ rsync -avv /src/ /dst/ [...] ^C rsync error: received SIGINT, SIGTERM, or SIGHUP (code 20) at rsync.c(701) [sender=...] rsync: [generator] write error: Broken pipe (32) The main rsync developer advises against using -vv …

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DATA SYNCRONIZATION

How to setup rsync daemon in CentOS 7 and CentOS 8

On the receiving host, change the file /etc/rsyncd.conf. For example, show a module called “backup” that stores files in the /backup directory. [receiver ~] # cat /etc/rsyncd.conf -- ..removed.. [backup] path = /backup/ comment = backup area read only = false fake super = true # Uncomment the following line if necessary. # uid = …

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