# ------------------------------------------------------------------------------ # Description # ----------- # # This is one for the system administrator, operation and maintenance. # # ------------------------------------------------------------------------------ # Authors # ------- # # * Dongweiming # # ------------------------------------------------------------------------------ function retlog() { if [[ -z $1 ]];then echo '/var/log/nginx/access.log' else echo $1 fi } alias ping='ping -c 5' alias ping6='ping6 -c 5' alias clr='clear; echo Currently logged in on $TTY, as $USERNAME in directory $PWD.' alias path='print -l $path' alias mkdir='mkdir -pv' # get top process eating memory alias psmem='ps -e -orss=,args= | sort -b -k1 -nr' alias psmem10='ps -e -orss=,args= | sort -b -k1 -nr | head -n 10' # get top process eating cpu if not work try execute : export LC_ALL='C' alias pscpu='ps -e -o pcpu,cpu,nice,state,cputime,args | sort -k1,1n -nr' alias pscpu10='ps -e -o pcpu,cpu,nice,state,cputime,args | sort -k1,1n -nr | head -n 10' # top10 of the history alias hist10='print -l ${(o)history%% *} | uniq -c | sort -nr | head -n 10' function ip() { if [ -t 1 ]; then command ip -color "$@" else command ip "$@" fi } # directory LS function dls() { print -l *(/) } function psgrep() { ps aux | grep "${1:-.}" | grep -v grep } # Kills any process that matches a regexp passed to it function killit() { ps aux | grep -v "grep" | grep "$@" | awk '{print $2}' | xargs sudo kill } # list contents of directories in a tree-like format if ! (( $+commands[tree] )); then function tree() { find $@ -print | sed -e 's;[^/]*/;|____;g;s;____|; |;g' } fi # Sort connection state function sortcons() { { LANG= ss -nat | awk 'NR > 1 {print $1}' \ || LANG= netstat -nat | awk 'NR > 2 {print $6}' } | sort | uniq -c | sort -rn } # View all 80 Port Connections function con80() { { LANG= ss -nat || LANG= netstat -nat } | grep -E ":80[^0-9]" | wc -l } # On the connected IP sorted by the number of connections function sortconip() { { LANG= ss -ntu | awk 'NR > 1 {print $6}' \ || LANG= netstat -ntu | awk 'NR > 2 {print $5}' } | cut -d: -f1 | sort | uniq -c | sort -n } # top20 of Find the number of requests on 80 port function req20() { { LANG= ss -tn | awk '$4 ~ /:80$/ {print $5}' \ || LANG= netstat -tn | awk '$4 ~ /:80$/ {print $5}' } | awk -F: '{print $1}' | sort | uniq -c | sort -nr | head -n 20 } # top20 of Using tcpdump port 80 access to view function http20() { sudo tcpdump -i eth0 -tnn dst port 80 -c 1000 | awk -F"." '{print $1"."$2"."$3"."$4}' | sort | uniq -c | sort -nr | head -n 20 } # top20 of Find time_wait connection function timewait20() { { LANG= ss -nat | awk 'NR > 1 && /TIME-WAIT/ {print $5}' \ || LANG= netstat -nat | awk 'NR > 2 && /TIME_WAIT/ {print $5}' } | sort | uniq -c | sort -rn | head -n 20 } # top20 of Find SYN connection function syn20() { { LANG= ss -an | awk '/SYN/ {print $5}' \ || LANG= netstat -an | awk '/SYN/ {print $5}' } | awk -F: '{print $1}' | sort | uniq -c | sort -nr | head -n20 } # Printing process according to the port number function port_pro() { LANG= ss -ntlp | awk "NR > 1 && /:${1:-}/ {print \$6}" | sed 's/.*pid=\([^,]*\).*/\1/' \ || LANG= netstat -ntlp | awk "NR > 2 && /:${1:-}/ {print \$7}" | cut -d/ -f1 } # top10 of gain access to the ip address function accessip10() { awk '{counts[$(11)]+=1}; END {for(url in counts) print counts[url], url}' "$(retlog)" } # top20 of Most Visited file or page function visitpage20() { awk '{print $11}' "$(retlog)" | sort | uniq -c | sort -nr | head -n 20 } # top100 of Page lists the most time-consuming (more than 60 seconds) as well as the corresponding page number of occurrences function consume100() { awk '($NF > 60 && $7~/\.php/){print $7}' "$(retlog)" | sort -n | uniq -c | sort -nr | head -n 100 # if django website or other website make by no suffix language # awk '{print $7}' "$(retlog)" | sort -n | uniq -c | sort -nr | head -n 100 } # Website traffic statistics (G) function webtraffic() { awk "{sum+=$10} END {print sum/1024/1024/1024}" "$(retlog)" } # Statistical connections 404 function c404() { awk '($9 ~ /404/)' "$(retlog)" | awk '{print $9,$7}' | sort } # Statistical http status. function httpstatus() { awk '{counts[$(9)]+=1}; END {for(code in counts) print code, counts[code]}' "$(retlog)" } # Delete 0 byte file function d0() { find "${1:-.}" -type f -size 0 -exec rm -rf {} \; } # gather external ip address function geteip() { curl -s -S -4 https://icanhazip.com # handle case when there is no IPv6 external IP, which shows error # curl: (7) Couldn't connect to server curl -s -S -6 https://icanhazip.com 2>/dev/null local ret=$? (( ret == 7 )) && print -P -u2 "%F{red}error: no IPv6 route to host%f" return $ret } # determine local IP address(es) function getip() { if (( ${+commands[ip]} )); then ip addr | awk '/inet /{print $2}' | command grep -v 127.0.0.1 else ifconfig | awk '/inet /{print $2}' | command grep -v 127.0.0.1 fi } # Clear zombie processes function clrz() { ps -eal | awk '{ if ($2 == "Z") {print $4}}' | kill -9 } # Second concurrent function conssec() { awk '{if($9~/200|30|404/)COUNT[$4]++}END{for( a in COUNT) print a,COUNT[a]}' "$(retlog)" | sort -k 2 -nr | head -n10 }