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pstree
hi,
how to use the pstree command. i tried to execute pstree -p | grep 80 ---> (apache port number) it shown some details i cann't understand that output is [root@ebs ~]$ pstree -p | grep 80 â â ââjava(5480) â â ââjava(5800) â â ââjava(5803) â â ââjava(5680) â â ââjava(5807) â ââjava(5808) ââatd(2805) â ââf60webmx(24801) â ââhttpd(3180)âââhttpd(3184)âââhttpd(3186) ââoracle(5802) ââoracle(24805) [root@ebs ~]$ please anyone explain that |
The weird formatting has to do with a difference between your terminal type and default translation. Linux usually uses UTF-8. If you're using something like PuTTY it might be defaulting to something else so you need to change translation setting in PuTTY to UTF-8 to match.
The output you got is showing there is nothing running on port 80. The other items matched because their port numbers including "80". The grep command matches anything that has "80" as a component (which is to say it will match just "80" if it is there but also "180", "280", "12380456" etc...) |
Quote:
Thanks for reply. thanks for reply. i can't understand the outout.can i find a particular session id.what is the purpose of pstree. how to find which one is the parent process and its child process. can i find hunging process? i posted the output please anyone explian that. root@server2 /# pstree -up applydev FNDSM(5409)ââ¬âCYQLIB(5690) ââFNDCRM(6154) ââFNDLIBR(6163) ââFNDLIBR(6209) ââFNDLIBR(28086) ââFNDLIBR(28087) ââFNDLIBR(28088) ââFNDLIBR(28091) ââINCTM(5689) ââINVLIBR(6230) ââMRCLIB(6234) ââPALIBR(6198) ââPOXCON(5692) ââRCVOLTM(5691) ââRCVOLTM(5693) ââjava(5694)âââjava(5695)ââ¬âjava(5696) â ââjava(5697) â ââjava(5698) â ââjava(5699) â ââjava(5700) â ââjava(5701) â ââjava(5702) â ââjava(5703) â ââjava(5704) â ââjava(5705) â ââjava(5706) â ââjava(5707) â ââjava(5708) â ââjava(6003) â ââjava(6004) â ââjava(6033) â ââjava(6034) â ââjava(6254) â ââjava(6257) â ââjava(6261) â ââjava(6263) â ââjava(6265) â ââjava(6271) â ââjava(6272) â ââjava(6299) â ââjava(6302) â ââjava(6321) â ââjava(6329) â ââjava(6472) â ââjava(6486) â ââjava(6487) â ââjava(6981) â ââjava(6982) ââjava(5715)âââjava(5716)ââ¬âjava(5717) â ââjava(5718) â ââjava(5719) â ââjava(5720) â ââjava(5721) â ââjava(5722) â ââjava(5723) â ââjava(5724) â ââjava(5725) â ââjava(5726) â ââjava(5727) â ââjava(5728) â ââjava(5729) â ââjava(5988) â ââjava(5990) â ââjava(6021) â ââjava(6023) â ââjava(6197) â ââjava(6213) â ââjava(6216) â ââjava(6217) â ââjava(6218) â ââjava(6219) â ââjava(6239) â ââjava(6266) â ââjava(6274) â ââjava(6278) â ââjava(6306) â ââjava(6435) â ââjava(6436) â ââjava(6437) â ââjava(6449) â ââjava(6450) â ââjava(7408) â ââjava(7409) ââjava(6079)âââjava(6080)ââ¬âjava(6081) â ââjava(6082) â ââjava(6083) â ââjava(6084) â ââjava(6085) â ââjava(6086) â ââjava(6087) â ââjava(6088) â ââjava(6089) â ââjava(6090) â ââjava(6091) â ââjava(6092) â ââjava(6093) â ââjava(6109) â ââjava(6119) â ââjava(6208) â ââjava(6224) â ââjava(6279) â ââjava(6283) â ââjava(6290) â ââjava(6294) â ââjava(6295) â ââjava(6296) â ââjava(6297) â ââjava(6311) â ââjava(6312) â ââjava(6335) â ââjava(6341) â ââjava(7410) â ââjava(7411) ââjava(6094)âââjava(6095)ââ¬âjava(6096) â ââjava(6097) â ââjava(6098) â ââjava(6099) â ââjava(6100) â ââjava(6101) â ââjava(6102) â ââjava(6103) â ââjava(6104) â ââjava(6105) â ââjava(6106) â ââjava(6107) â ââjava(6108) â ââjava(6128) â ââjava(6137) â ââjava(6249) â ââjava(6250) â ââjava(6308) â ââjava(6316) â ââjava(6330) â ââjava(6363) â ââjava(6369) â ââjava(6370) â ââjava(6373) â ââjava(6374) â ââjava(6375) â ââjava(6376) â ââjava(6381) â ââjava(6470) â ââjava(6482) â ââjava(6483) â ââjava(7002) â ââjava(7003) ââjava(6110)âââjava(6111)ââ¬âjava(6112) â ââjava(6113) â ââjava(6114) â ââjava(6115) â ââjava(6116) â ââjava(6117) â ââjava(6118) â ââjava(6120) â ââjava(6121) â ââjava(6122) â ââjava(6123) â ââjava(6124) â ââjava(6125) â ââjava(6166) â ââjava(6167) â ââjava(6244) â ââjava(6245) â ââjava(6332) â ââjava(6334) â ââjava(6342) â ââjava(6351) â ââjava(6355) â ââjava(6356) â ââjava(6357) â ââjava(6358) â ââjava(6359) â ââjava(6360) â ââjava(6361) â ââjava(6362) â ââjava(6378) â ââjava(6471) â ââjava(6495) â ââjava(6496) â ââjava(6521) â ââjava(6524) â ââjava(6527) â ââjava(6533) â ââjava(6536) â ââjava(6539) â ââjava(6546) ââjava(6127)âââjava(6129)ââ¬âjava(6130) â ââjava(6131) â ââjava(6132) â ââjava(6133) â ââjava(6134) â ââjava(6135) â ââjava(6136) â ââjava(6138) â ââjava(6139) â ââjava(6140) â ââjava(6141) â ââjava(6142) â ââjava(6143) â ââjava(6178) â ââjava(6181) â ââjava(6284) â ââjava(6285) â ââjava(6339) â ââjava(6348) â ââjava(6364) â ââjava(6379) â ââjava(6390) â ââjava(6396) â ââjava(6397) â ââjava(6398) â ââjava(6401) â ââjava(6402) â ââjava(6403) â ââjava(6404) â ââjava(6405) â ââjava(6455) â ââjava(6463) ââjava(6147)âââjava(6148)ââ¬âjava(6149) ââjava(6150) ââjava(6151) ââjava(6152) ââjava(6153) ââjava(6155) ââjava(6156) ââjava(6157) ââjava(6158) ââjava(6159) ââjava(6160) ââjava(6161) ââjava(6162) ââjava(6184) ââjava(6185) ââjava(6264) ââjava(6267) ââjava(6307) ââjava(6315) ââjava(6318) ââjava(6319) ââjava(6320) ââjava(6324) ââjava(6325) ââjava(6326) ââjava(6327) ââjava(6344) ââjava(6350) ââjava(6454) ââjava(6462) ââjava(6466) ââjava(6994) ââjava(6995) d2lc60(4821) d2ls60(4962) f60srvm(4517)âââf60webmx(9860) httpd(4182)ââ¬âhttpd(4204) ââhttpd(4206) ââhttpd(4223)âââhttpd(4229)âââhttpd(4234) ââhttpd(4224)âââhttpd(4228)âââhttpd(4233) ââhttpd(4225)âââhttpd(4230)âââhttpd(4231) ââhttpd(4226)âââhttpd(4236)âââhttpd(4237) ââhttpd(4227)âââhttpd(4232)âââhttpd(4235) ââhttpd(9816)âââhttpd(9817)âââhttpd(9818) âârotatelogs(4222) httpd(5871)ââ¬âhttpd(5890) ââhttpd(5893)ââ¬âjava(5894) â ââjava(5895) â ââjava(5896) ââhttpd(5993) ââhttpd(5994) ââhttpd(5995) ââhttpd(5996) ââhttpd(5997) ââhttpd(6020) ââhttpd(6057) ââhttpd(6058) ââhttpd(9859) ââhttpd(27273) âârotatelogs(5992) java(5080)âââjava(5081)ââ¬âjava(5082) ââjava(5083) ââjava(5084) ââjava(5085) ââjava(5086) ââjava(5087) ââjava(5088) ââjava(5089) ââjava(5090) ââjava(5091) ââjava(5092) ââjava(5093) ââjava(5094) ââjava(5140) ââjava(5141) ââjava(5144) ââjava(5174) ââjava(5270) ââjava(5271) ââjava(5332) ââjava(5337) ââjava(5343) ââjava(5347) ââjava(5356) ââjava(5357) ââjava(5361) jre(5187) oad(5131)âââdis4pr(5341)âââdis4pr(5348)ââ¬âdis4pr(5349) ââdis4pr(5350) ââdis4pr(5353) osagent(5157) rwmts60(4670)ââârwmts60(5108)ââ¬ârwmts60(5109) âârwmts60(5110) âârwmts60(5111) âârwmts60(5112) âârwmts60(5113) âârwmts60(5114) sh(4376)âââFNDLIBR(4381) tnslsnr(4250) |
pstree is more often used for browsing. If you really want to grep something you are probably better off using 'ps aux'.
Evo2. PS. Have a look at the ps man page for options regarding parent processes etc. |
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