163 lines
4.6 KiB
Bash
163 lines
4.6 KiB
Bash
# ------------------------------------------------------------------------------
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# Description
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# -----------
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#
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# This is one for the system administrator, operation and maintenance.
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#
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# ------------------------------------------------------------------------------
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# Authors
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# -------
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#
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# * Dongweiming <ciici123@gmail.com>
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#
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# ------------------------------------------------------------------------------
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function retlog() {
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if [[ -z $1 ]];then
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echo '/var/log/nginx/access.log'
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else
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echo $1
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fi
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}
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alias ping='ping -c 5'
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alias clr='clear; echo Currently logged in on $TTY, as $USERNAME in directory $PWD.'
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alias path='print -l $path'
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alias mkdir='mkdir -pv'
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# get top process eating memory
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alias psmem='ps -e -orss=,args= | sort -b -k1 -nr'
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alias psmem10='ps -e -orss=,args= | sort -b -k1 -nr | head -n 10'
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# get top process eating cpu if not work try execute : export LC_ALL='C'
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alias pscpu='ps -e -o pcpu,cpu,nice,state,cputime,args|sort -k1,1n -nr'
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alias pscpu10='ps -e -o pcpu,cpu,nice,state,cputime,args|sort -k1,1n -nr | head -n 10'
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# top10 of the history
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alias hist10='print -l ${(o)history%% *} | uniq -c | sort -nr | head -n 10'
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function ip() {
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if [ -t 1 ]; then
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command ip -color "$@"
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else
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command ip "$@"
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fi
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}
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# directory LS
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function dls() {
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print -l *(/)
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}
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function psgrep() {
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ps aux | grep "${1:-.}" | grep -v grep
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}
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# Kills any process that matches a regexp passed to it
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function killit() {
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ps aux | grep -v "grep" | grep "$@" | awk '{print $2}' | xargs sudo kill
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}
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# list contents of directories in a tree-like format
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if ! (( $+commands[tree] )); then
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function tree() {
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find $@ -print | sed -e 's;[^/]*/;|____;g;s;____|; |;g'
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}
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fi
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# Sort connection state
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function sortcons() {
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netstat -nat |awk '{print $6}'|sort|uniq -c|sort -rn
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}
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# View all 80 Port Connections
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function con80() {
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netstat -nat|grep -i ":80"|wc -l
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}
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# On the connected IP sorted by the number of connections
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function sortconip() {
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netstat -ntu | awk '{print $5}' | cut -d: -f1 | sort | uniq -c | sort -n
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}
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# top20 of Find the number of requests on 80 port
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function req20() {
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netstat -anlp|grep 80|grep tcp|awk '{print $5}'|awk -F: '{print $1}'|sort|uniq -c|sort -nr|head -n20
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}
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# top20 of Using tcpdump port 80 access to view
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function http20() {
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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
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}
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# top20 of Find time_wait connection
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function timewait20() {
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netstat -n|grep TIME_WAIT|awk '{print $5}'|sort|uniq -c|sort -rn|head -n20
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}
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# top20 of Find SYN connection
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function syn20() {
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netstat -an | grep SYN | awk '{print $5}' | awk -F: '{print $1}' | sort | uniq -c | sort -nr|head -n20
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}
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# Printing process according to the port number
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function port_pro() {
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netstat -ntlp | grep "${1:-.}" | awk '{print $7}' | cut -d/ -f1
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}
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# top10 of gain access to the ip address
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function accessip10() {
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awk '{counts[$(11)]+=1}; END {for(url in counts) print counts[url], url}' "$(retlog)"
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}
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# top20 of Most Visited file or page
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function visitpage20() {
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awk '{print $11}' "$(retlog)"|sort|uniq -c|sort -nr|head -n 20
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}
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# top100 of Page lists the most time-consuming (more than 60 seconds) as well as the corresponding page number of occurrences
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function consume100() {
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awk '($NF > 60 && $7~/\.php/){print $7}' "$(retlog)" |sort -n|uniq -c|sort -nr|head -n 100
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# if django website or other website make by no suffix language
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# awk '{print $7}' "$(retlog)" |sort -n|uniq -c|sort -nr|head -n 100
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}
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# Website traffic statistics (G)
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function webtraffic() {
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awk "{sum+=$10} END {print sum/1024/1024/1024}" "$(retlog)"
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}
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# Statistical connections 404
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function c404() {
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awk '($9 ~/404/)' "$(retlog)" | awk '{print $9,$7}' | sort
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}
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# Statistical http status.
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function httpstatus() {
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awk '{counts[$(9)]+=1}; END {for(code in counts) print code, counts[code]}' "$(retlog)"
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}
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# Delete 0 byte file
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function d0() {
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find "${1:-.}" -type f -size 0 -exec rm -rf {} \;
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}
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# gather external ip address
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function geteip() {
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curl -s -S -4 https://icanhazip.com
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curl -s -S -6 https://icanhazip.com
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}
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# determine local IP address(es)
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function getip() {
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if (( ${+commands[ip]} )); then
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ip addr | awk '/inet /{print $2}' | command grep -v 127.0.0.1
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else
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ifconfig | awk '/inet /{print $2}' | command grep -v 127.0.0.1
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fi
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}
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# Clear zombie processes
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function clrz() {
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ps -eal | awk '{ if ($2 == "Z") {print $4}}' | kill -9
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}
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# Second concurrent
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function conssec() {
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awk '{if($9~/200|30|404/)COUNT[$4]++}END{for( a in COUNT) print a,COUNT[a]}' "$(retlog)"|sort -k 2 -nr|head -n10
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}
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