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62 lines
6.5 KiB
Markdown
62 lines
6.5 KiB
Markdown
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# Systemadmin plugin
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This plugin adds a series of aliases and functions which make a System Administrator's life easier.
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To use it, add `systemadmin` to the plugins array in your zshrc file:
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```zsh
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plugins=(... systemadmin)
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```
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## Aliases
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| Alias | Command | Description |
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|--------|-----------------------------------------------------------------------------------|--------------------------------------------------------------------|
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| ping | `ping -c 5` | Sends only 5 ICMP Messages |
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| clr | `clear;echo "Currently logged in on $(tty), as $USER in directory $PWD."` | Clears the screen and prings the current user, TTY, and directory |
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| path | `echo -e ${PATH//:/\\n}` | Displays PATH with each entry on a separate line |
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| mkdir | `mkdir -pv` | Automatically create parent directories and display verbose output |
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| psmem | <code>ps -e -orss=,args= \| sort -b -k1,1n</code> | Display the processes using the most memory |
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| psmem10| <code>ps -e -orss=,args= \| sort -b -k1,1n\| head -10</code> | Display the top 10 processes using the most memory |
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| pscpu | <code>ps -e -o pcpu,cpu,nice,state,cputime,args\|sort -k1 -nr</code> | Display the top processes using the most CPU |
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| pscpu10| <code>ps -e -o pcpu,cpu,nice,state,cputime,args\|sort -k1 -nr \| head -10</code> | Display the top 10 processes using the most CPU |
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| hist10 | <code>print -l ${(o)history%% *} \| uniq -c \| sort -nr \| head -n 10</code> | Display the top 10 most used commands in the history |
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## Named Functions
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These are used by some of the other functions to provide flexibility
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| Function | Description |
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|-------------|---------------------------------------------------------------------------------------------------------------------------------------|
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| retval | Returns the first argument or a '.' if no arguments are specified |
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| retlog | Returns the first argument or /var/log/nginx/access.log if no arguments are specified |
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## Unamed Functions
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These functions are closer to aliases with complex arguments simplified (in most cases) into one line
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| Function | Description |
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|-------------|---------------------------------------------------------------------------------------------------------------------------------------|
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| dls | List only directories in the current directory |
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| psgrep | List all processes that match the pattern input after the command |
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| killit | xargs sudo kill | Kills any process that matches a regulr expression passed to it |
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| tree | List contents of directories in a tree-like format (if tree is installed) |
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| sortcons | Sort connections by state |
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| con80 | View all 80 Port Connections |
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| sortconip | On the connected IP sorted by the number of connections |
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| req20 | List the top 20 requests on port 80 |
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| http20 | List the top 20 connections to port 80 based on tcpdump data |
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| timewait20 | List the top 20 time_wait connections |
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| syn20 | List the top 20 SYN connections |
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| port_pro | Output all processes according to the port number |
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| accessip10 | List the top 10 accesses to the ip address in the nginx/access.log file or another log file if specified as an argument |
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| visitpage20 | List the top 20 most visited files or pages in the nginx/access.log file or another log file if specified as an argument |
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| consume100 | List the top 100 of Page lists the most time-consuming (more than 60 seconds) as well as the corresponding page number of occurrences |
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| webtraffic | List website traffic statistics in GB from tne nginx/access.log file or another log file if specified as an argument |
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| c404 | List statistics on 404 connections in the nginx/access.log file or another log file if specified as an argument |
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| httpstatus | List statistics based on http status in the nginx/access.log file or another log file if specified as an argument |
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| d0 | Delete 0 byte files recursively in the directory specified (or current directory if none is specificied) |
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| geteip | Gather information regarding an external IP address |
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| getip | Determine the local IP Address with `ip addr` or `ifconfig` |
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| clrz | Clear zombie processes |
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| conssec | Display the number of concurrent connections per second in the nginix/access.log file or another log file if specified as an argument |
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