Category Archives: How To’s

Server out of diskspace.

Recently got a problem with a server – Nothing was working users were not able to login without any error message.

Issue was server disk was full no space left to create any log or session file.

How to check the issue

Accessed the server using SSH and run below commands:

df

It showed output:

Filesystem 1K-blocks Used Available Use% Mounted on
devtmpfs 8208132 56 8208076 1% /dev
tmpfs 8217120 0 8217120 0% /dev/shm
/dev/xda1 16380820 16280992 0 100% /

Which means disk is full. But > du -h –max-depth=1 | sort -hr Showed only 2 GB is used. We have 16 GB space.

Most possible issue was log files not being deleted. Below command revealed that tons of files are there httpd was  holding up their deletion.

lsof +L1

Restarting the httpd resolved the issue. (service httpd restart)

Just for reference.

How do I optimize WordPress websites?

Today I was optimizing the performance of a WordPress website, which I do with all the websites I develop. The steps involve are very simple.

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How do I plan for UI Design of a Web app/Mobile App?

Few days back one of my friend asked my help in UI design of his Mobile App. He had the working model of App but the UI/UX was poor. So we started the UI planning of his app.

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How to check Linux Server RAM Usage?

How to check how much RAM your web-app is consuming? And which process is consuming more RAM? Read below to know about how to check RAM usage on a Linux server.

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Create Bootable windows 7 pen drive

If you have a pen drive/ removable disk of atleast 4GB you can use it to install new window(10,8.1,8,7,vista) on your PC/Laptop.

How to Install Amber Update on your Nokia Lumia

lumia-amberNokia Recently Launched an Amber Update for their Lumia users but most of the users are not able to get the latest update due to some technical reasons. Here is a step by step guide to install the latest amber update on your Lumia.

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