Showing posts with label
Network
.
Show all posts
Showing posts with label
Network
.
Show all posts
Sunday, March 7, 2021
ssh keeps disconnecting from the Ubuntu server(in the same LAN) which is on USB WIFI adapter
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Symptom: I use Macbook to ssh to an Ubuntu server(in the same LAN) which is on USB WiFi adapter. The ssh connection keeps disconnecting afte...
Thursday, August 28, 2014
Greenplum performance issue caused by LRO and GRO enabled
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Symptoms: Greenplum performance degrades and NIC overruns keep increasing. Root cause: large receive off load (LRO) and generic receiv...
Thursday, June 19, 2014
Private DNS server setup on Linux
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Monday, May 12, 2014
How to increase RX ring buffer
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Check current RX ring buffer: ethtool -g eth2 Increase the receive ring size to 8192 ethtool -G eth2 rx 8192
Thursday, May 8, 2014
How to clear error counter of ethtool and ifconfig
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When commands "ethtool -S eth2" or "ifconfig -a" show network errors, the errors are accumulated. If we want to confirm...
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Allied Telesis AT-9924T commands
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This article refers to official documentation: AlliedWare Operating System Software Reference Logon admin switch using telnet telnet ...
Brocade 8000 switch commands
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This articles refers to below official documentation: Brocade 8000 Hardware Reference Manual Fabric OS Administrator's Guide Acces...
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