PayPal SSL certificate upgrade and curl fix
PayPal has notified, that their SSL certificates will soon be upgraded to SHA-256. As we have previously communicated to you, PayPal is upgrading the certificate […]
Continue reading »Category: Linux
How to find biggest subfolder
This little command will give you list of folders, sorted by their size: du -sk * | sort -nr | more
Continue reading »How to flush RAM on Linux / Centos
I personally suggest using first option, other are more and more “hardcore”. Also I would not suggest doing this under high CPU load or high […]
Continue reading »Set folder to readonly mode in Linux
Very often, when website is hacked – we do clean it for customer, because we do not want to have hacked content on our servers. […]
Continue reading »Find modified and hacked files
Finding files, uploaded and left by hackers, as well as files, which they have modified, is a complex event. It might be enough with one […]
Continue reading »Fix corrupt RPM database on CentOS
Sometimes, e.g. when your partition gets full during update or other server hangs during update your RPM database might get corrupted and updates with yum […]
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