How to Get Flash plugin to Work on Fedora x86_64 (64-bit)
A 32-bit Adobe Flash plugin does not work in a 64-bit Linux browser. Replace it with Adobe's 64-bit Flash plugin.
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389 notes on Linux, tools and troubleshooting
Network Card Bonding On Red Hat Linux and CentOS
Channel bonding combines network interface cards to increase bandwidth, provide failover or load balancing, or use 802.3ad port trunking. It also supports VLANs, or 802.1q.
Red Hat 4, 5 take a very long time to boot and iostat output incorrect
Slow boots of more than two hours or incorrect iostat output, such as 200% CPU utilization, can occur on x86 or x86_64 because of mismatched timers.
Find Out Which RPM Installed a Specific File by rpm or yum Command
Use rpm or yum to find which package installed a file or command. yum requires repository access unless the required data is already cached.
Downgrade iPod touch, iPhone from 3.1.1 to 3.0 firmware
You can now jailbreak iPod touch 3.1.2 (iPod touch 2G). Click here for the procedure. A few days ago, Apple released firmware 3.1.1 for iPod touch and iPhone…
How to check the SUSE Linux Enterprise and Open Enterprise Server for Linux version
Use `uname -r` to check the kernel version and compare it with the SUSE Linux Enterprise and Open Enterprise Server for Linux versions.
How to read memory usage with the free command
Linux uses RAM extensively to cache local and remote filesystem and disk data. The free command shows used, free, cached, and application memory.
The "Mailbox is locked by POP server" problem
Cyrus-imapd commonly reports "Mailbox is locked by POP server" when more than one POP3 connection attempts to retrieve mail for the same user simultaneously.
How to check the version of Red Hat Enterprise Linux and CentOS Linux
Check Red Hat Enterprise Linux or CentOS versions by reading /etc/redhat-release or using uname to identify the release from its kernel version.