From e830fa716bedecbff8c3a572d1d20061342ec4c7 Mon Sep 17 00:00:00 2001 From: Johannes Stoelp Date: Tue, 27 Aug 2024 23:05:39 +0200 Subject: mv monitor -> process --- src/monitor/lsof.md | 74 ----------------------------------------------------- 1 file changed, 74 deletions(-) delete mode 100644 src/monitor/lsof.md (limited to 'src/monitor/lsof.md') diff --git a/src/monitor/lsof.md b/src/monitor/lsof.md deleted file mode 100644 index 562c8fc..0000000 --- a/src/monitor/lsof.md +++ /dev/null @@ -1,74 +0,0 @@ -# lsof(8) - -```markdown -lsof - -r ..... repeatedly execute command ervery seconds - -a ......... AND slection filters instead ORing (OR: default) - -p ... filter by - +fg ........ show file flags for file descripros - -n ......... don't convert network addr to hostnames - -P ......... don't convert network port to service names - -i <@h[:p]>. show connections to h (hostname|ip addr) with optional port p - -s ... in conjunction with '-i' filter for protocol

in state - -U ......... show unix domain sockets ('@' indicates abstract sock name, see unix(7)) -``` - -```markdown -file flags: - R/W/RW ..... read/write/read-write - CR ......... create - AP ......... append - TR ......... truncate -``` - -```markdown --s protocols - TCP, UDP - --s states (TCP) - CLOSED, IDLE, BOUND, LISTEN, ESTABLISHED, SYN_SENT, SYN_RCDV, ESTABLISHED, - CLOSE_WAIT, FIN_WAIT1, CLOSING, LAST_ACK, FIN_WAIT_2, TIME_WAIT - --s states (UDP) - Unbound, Idle -``` - -# Examples - -## File flags -Show open files with file flags for process: -```markdown -lsof +fg -p -``` - -## Open TCP connections -Show open tcp connections for `$USER`: -```markdown -lsof -a -u $USER -i TCP -``` -**Note**: `-a` _ands_ the results. If `-a` is not given all open files matching -`$USER` and all tcp connections are listed (_ored_). - -## Open connection to specific host -Show open connections to `localhost` for `$USER`: -```markdown -lsof -a -u $USER -i @localhost -``` - -## Open connection to specific port -Show open connections to port `:1234` for `$USER`: -```markdown -lsof -a -u $USER -i :1234 -``` - -## IPv4 TCP connections in `ESTABLISHED` state -```markdown -lsof -i 4TCP -s TCP:ESTABLISHED -``` -## List open files in a mounted directory. -This may help to find which processes keep devices busy when trying to unmount -and the device is currently busy. -```markdown -# Assuming /proc is a mount point. -lsof /proc -``` -- cgit v1.2.3