Image via CrunchBase Avid iPhone hackers know that in order to be safe, they need to store their SHSH blobs for their jailbreaked phone so that if something goes wrong, they can restore their phone. However, even if you do not plan to jailbreak your phone, you should still save your SHSH blobs. Here’s why: When Apple releases a new firmware for their iPhone/iPod touches, Apple encourages everyone to update their firmware to their latest and greatest release. Old firmwares have vulnerabilities that hackers and jailbreakers effectively use to customize/install non-approved applications into the device. Eventually Apple comes up with a fix and plugs the holes. When you upgrade to…

If you want to figure out which package a file belongs to you can use rpm to find out (On a system that uses rpm). Which package does /bin/bash belong to? [root@host ~]# rpm -qf /bin/bash bash-3.0-19.3 So /bin/bash belongs to bash-3.0-19.3 The -q option lets rpm know that you want to do a query of the database. The f lets you query the package containing the file you specify. Here’s another query: [root@host ~]# rpm -qf /usr/bin/xargs findutils-4.1.20-7.el4.1 [root@host ~]# yum lets you get info on the findutils package: [root@host ~]# yum info findutils Setting up repositories update 100% |=========================| 951 B 00:00 rpmforge 100% |=========================| 1.1 kB 00:00…