Quick Tip: Copy and Paste from the DOS Prompt
Having worked in SoftLayer’s technical support department for a few years now, I can tell you that the more information you provide us, the faster we can get you to a resolution. If you can show us...
View ArticleUsing iPerf to Troubleshoot Speed/Throughput Issues
Two of the most common network characteristics we look at when investigating network-related concerns in the NOC are speed and throughput. You may have experienced the following scenario yourself: You...
View Articleiptables Tips and Tricks – Troubleshooting Rulesets
One of the most time consuming tasks with iptables is troubleshooting a problematic ruleset. That will not change no matter how much experience you have with it. However, with the right mindset, this...
View Articleiptables Tips and Tricks – Not Locking Yourself Out
The iptables tool is one of the simplest, most powerful tools you can use to protect your server. We’ve covered port redirection, rule processing and troubleshooting in previous installments to this...
View ArticleSysadmin Tips and Tricks – Using strace to Monitor System Calls
Linux admins often encounter rogue processes that die without explanation, go haywire without any meaningful log data or fail in other interesting ways without providing useful information that can...
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