Some notes on increasing LVM partition in Linux. Terminology Physical Volume (PV): This can be created on a whole physical disk (think /dev/sda) or a Linux partition. Volume Group (VG): This is made up of at least one or more physical volumes. Logical Volume (LV): This is sometimes referred to as the partition, it sits within a volume […]
Replacing IBM X3650 (7979-C3U) Planar (FRU: 43W8250/43W0331)
For those of you who may have followed along on my original post of me troubleshooting of an IBM X3650, I found a system planar for $20 (lol). Just arrived today, with shuttle, which is awesome. I’ll be putting this in the server chassis today and hopefully getting a successful boot. Left is the new […]
WordPress Unauthorized Password Reset Vulnerability (CVE-2017-8259)
A vulnerability reported to WordPress in July 2016 was publicly released recently and identified as CVE-2017-8259. The vulnerability could allow an attacker to gain unauthorized access to a victim’s WordPress account. […]
grep email regular expression
grep -E -o \b[A-Za-z0-9._%+-]+@[A-Za-z0-9.-]+\.[A-Za-z]{2,6}\b […]
400 Million Records in MySQL
So I’m trying to figure out a way to make searching a VARCHAR in MySQL “fast” when there are 400 million rows. I tried the UNIQUE approach using alter table names add unique(name(15)); in the table but I have some duplicates apparently, so now I’m trying a different method. I’m going to create multiple tables; […]