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f695d1264bThe hardcoded `eth0` network interface in the `http20` function doesn't exist on macOS. It's more reliable to dynamically determine the appropriate interface, so this change checks what would be used to reach Cloudflare's public 1.1.1.1 DNS service (yes, another hardcoded thing, but at least it's common across the Internet) and uses that interface. For example, on my macOS system, it returns either `en0` (Wi-Fi) or `en7` (the Ethernet slot on my Thunderbolt dock). On Linux, this uses the commonly installed `ip route` command from the [iproute2](https://wiki.linuxfoundation.org/networking/iproute2) project. The macOS port of some of these utilities is available from [Homebrew](https://brew.sh) by running `brew install iproute2mac`. This change also splits the pipeline in the function across multiple lines per this project's [Code Style Guide](https://github.com/ohmyzsh/ohmyzsh/wiki/Code-Style-Guide). |
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| README.md | ||
| systemadmin.plugin.zsh | ||
Systemadmin plugin
This plugin adds a series of aliases and functions which make a System Administrator's life easier.
To use it, add systemadmin to the plugins array in your zshrc file:
plugins=(... systemadmin)
Aliases
| Alias | Command | Description |
|---|---|---|
| ping | ping -c 5 |
Sends only 5 ICMP Messages |
| ping6 | ping6 -c 5 |
Sends only 5 ICMPv6 Messages |
| clr | clear; echo Currently logged in on $TTY, as $USERNAME in directory $PWD. |
Clears the screen and prints the current user, TTY, and directory |
| path | print -l $path |
Displays PATH with each entry on a separate line |
| mkdir | mkdir -pv |
Automatically create parent directories and display verbose output |
| psmem | ps -e -orss=,args= | sort -b -k1 -nr |
Display the processes using the most memory |
| psmem10 | ps -e -orss=,args= | sort -b -k1 -nr | head -n 10 |
Display the top 10 processes using the most memory |
| pscpu | ps -e -o pcpu,cpu,nice,state,cputime,args |sort -k1 -nr |
Display the top processes using the most CPU |
| pscpu10 | ps -e -o pcpu,cpu,nice,state,cputime,args |sort -k1 -nr | head -n 10 |
Display the top 10 processes using the most CPU |
| hist10 | print -l ${(o)history%% *} | uniq -c | sort -nr | head -n 10 |
Display the top 10 most used commands in the history |
Functions
| Function | Description |
|---|---|
| dls | List only directories in the current directory |
| psgrep | List all processes that match the pattern input after the command |
| killit | Kills any process that matches a regular expression passed to it |
| tree | List contents of directories in a tree-like format (if tree isn't installed) |
| sortcons | Sort connections by state |
| con80 | View all 80 Port Connections |
| sortconip | On the connected IP sorted by the number of connections |
| req20 | List the top 20 requests on port 80 |
| http20 | List the top 20 connections to port 80 based on tcpdump data |
| timewait20 | List the top 20 time_wait connections |
| syn20 | List the top 20 SYN connections |
| port_pro | Output all processes according to the port number |
| accessip10 | List the top 10 accesses to the ip address in the nginx/access.log file or another log file if specified |
| visitpage20 | List the top 20 most visited files or pages in the nginx/access.log file or another log file if specified |
| consume100 | List the 100 most time-consuming Page lists (more than 60 seconds) as well as the corresponding number of occurrences |
| webtraffic | List website traffic statistics in GB from the nginx/access.log file or another log file if specified |
| c404 | List statistics on 404 connections in the nginx/access.log file or another log file if specified |
| httpstatus | List statistics based on http status in the nginx/access.log file or another log file if specified |
| d0 | Delete 0 byte files recursively in the current directory or another if specified |
| geteip | Gather information regarding an external IP address using icanhazip.com |
| getip | Determine the local IP Address with ip addr or ifconfig |
| clrz | Clear zombie processes |
| conssec | Show number of concurrent connections per second based on ngnix/access.log file or another log file if specified |