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Amanjosan2008

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Revision as of 03:38, 8 July 2021 (view source) Amanjosan2008 (talk \| contribs) (→‎Re-Evaluate the design) ← Older edit		Latest revision as of 06:15, 13 July 2021 (view source) Amanjosan2008 (talk \| contribs) (→‎System Design)
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Line 87: * Mutex * Threads A process is a collection of code, memory, data and other resources. A thread is a sequence of code that is executed within the scope of the process. You can (usually) have multiple threads executing concurrently within the same process. = Questions = Line 227 ⟶ 229: It not, is there any network disconnection/lantency/congestion? SSH Packets are reaching Destination? TCPDump on Destination(look for initial TCP packets with the SYN flags). ~~If not check:~~ If not check: - Using IP Correct in client side. - DNS Correct? try host file entry or direct ip access Line 239 ⟶ 242: - Reply packets going or not? if going, check Router reverse routes. - IPTables Rejecting packets (Flush IPTabeles -F) - Packets received on correct interface? (SSH might be listening on wrong ~~port~~interface/address - ListenAddress ) - SSH ~~from~~to Server tofrom localhost Any traffic reaching Server? ifconfig RX, TX count bytes increasing ~~decreasing; If not check:~~. If not check: - Networking Config - Interface check? correct ip on correct interface? Line 324 ⟶ 328: *Trade off you made in this? Used VMs ~~ony~~only Could have used Physical devices - Cisco Call Manager, Physical CBs, Cisco Routers, IPNetSim, IP Phones Used devices across 2 DCs in India & US.