SysAdminMarioAlberto ingmarioalberto
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| #!/bin/bash | |
| die () { | |
| if [ -z "$1" ] | |
| then | |
| echo "something went very wrong..." | |
| else | |
| echo "NOK:${1}" | |
| fi | |
| exit 1 | |
| } |
ingmarioalberto
/ netstat-map.sh
Last active
March 10, 2023 20:43
Grabs via netstat incoming outgoing and local connections
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| #!/bin/bash | |
| FLAGFILE=/tmp/go-ahead.txt | |
| echo 1 >${FLAGFILE} | |
| while [ 1 ] | |
| do | |
| FECHORA="$(date +'%Y-%m-%d')" | |
| LOG="/var/log/${FECHORA}.netstat.txt" | |
| INC="/var/log/${FECHORA}.netstat-inc.txt" | |
| OUT="/var/log/${FECHORA}.netstat-out.txt" | |
| LOC="/var/log/${FECHORA}.netstat-loc.txt" |
ingmarioalberto
/ netstat-anal.sh
Last active
March 10, 2023 00:06
Prints a summary of inbound, outbound and local connections with netstat-map output
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| #!/bin/bash | |
| usage () { | |
| echo "$0 <incoming-netstat-log> <outgoing-netstat-log> <local-netstat-log> [machine-tag]" | |
| echo "example:" | |
| echo "$0 *.netstat-inc.txt *.netstat-out.txt *.netstat-loc.txt" | |
| echo "$0 *.netstat-inc.txt *.netstat-out.txt *.netstat-loc.txt machine-name-or-something " | |
| exit 0 | |
| } |
ingmarioalberto
/ homolog.sh
Created
October 4, 2022 20:17
Filter out homolog IP address, -i = invert
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| #!/bin/bash | |
| HOMO="\([0-9]\.\|[1]\{,1\}[0-9]\{2\}\.\|2[0-4][0-9]\.\|25[0-5]\.\)\{3\}\([0-9]\|[1]\{,1\}[0-9]\{2\}\|2[0-4][0-9]\|25[0-5]\)" | |
| LAN10="10\(\.[0-9]\|\.[1]\{,1\}[0-9]\{2\}\|\.2[0-4][0-9]\|\.25[0-5]\)\{3\}" | |
| LAN172="172\.\(1[6-9]\|2[0-9]\|3[01]\)\.\([0-9]\.\|[1]\{,1\}[0-9]\{2\}\.\|2[0-4][0-9]\.\|25[0-5]\.\)\([0-9]\|[1]\{,1\}[0-9]\{2\}\|2[0-4][0-9]\|25[0-5]\)" | |
| LAN192168="192.168\(\.[0-9]\|\.[1]\{,1\}[0-9]\{2\}\|\.2[0-4][0-9]\|\.25[0-5]\)\{2\}" | |
| LANSELF="127.0.0.1" | |
| LANWEIRD="169.254.169.254" | |
| case ${1} in | |
| "-i") |
ingmarioalberto
/ TLF_LFS162x.txt
Last active
December 1, 2022 18:35
Introduction to DevOps and Site Reliability Engineering
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| TLF (LFS162x) (Prof. Gourav Shah) | |
| Introduction to DevOps and Site Reliability Engineering | |
| DevOps = Developer & Operations (Areas) | |
| SRE = Site Reliability Engineer | |
| --- | |
| Needs: Bridge Gap between ( Faster Dev vs Waterfall practices ) | |
| DevOps via: | |
| ( Modern principles | |
| Practices | |
| Automation tools ) --PATH--> Ops into Agile Area => Faster software delivery. |
ingmarioalberto
/ gist:723915f5cd34af0ab3b3343985adb046
Last active
November 18, 2022 00:30
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| https://developers.facebook.com/docs/whatsapp/on-premises/overview | |
| BSP: Business Solution Provider | |
| WhatsApp Business Platform On-Premises API | |
| Requirements: | |
| - Display name: | |
| 1. how to set it up: https://www.facebook.com/business/help/338047025165344/ | |
| 2. the formatting guidelines: https://www.facebook.com/business/help/757569725593362 | |
| 3. updating it: https://www.facebook.com/business/help/378834799515077 |
ingmarioalberto
/ gist:dc5b78c3a49d0b51d1d82beece82c945
Created
November 18, 2022 00:33
nmtui allow manage ethernet ubuntu (device is strictly unmanaged)
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| Append except:type:ethernet at the end of the line unmanaged-devices...etc | |
| systemctl restart NetworkManager |
ingmarioalberto
/ gist:69049495f6c1a619f1718002aafcd6c2
Created
December 31, 2022 07:34
todo... nagios ILO monitor
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| curl --location --insecure -u xxx:yyyy --silent --connect-timeout 10 X GET "https://10.1.1.1/redfish/v1/Systems/1/" | jq '.["Oem"]["Hpe"]["AggregateHealthStatus"]' | |
| >> | |
| { | |
| "AgentlessManagementService": "Ready", | |
| "BiosOrHardwareHealth": { | |
| "Status": { | |
| "Health": "OK" | |
| } | |
| }, | |
| "FanRedundancy": "Redundant", |
ingmarioalberto
/ gist:def7a154659a311c3908a1d2f0adaaaa
Created
March 8, 2023 20:08
Show DST / Disable DST
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| zdump -v America/Mexico_City | grep $(date +"%Y") | |
| America/Mexico_City Sun Apr 4 07:59:59 2021 UT = Sun Apr 4 01:59:59 2021 CST isdst=0 gmtoff=-21600 | |
| America/Mexico_City Sun Apr 4 08:00:00 2021 UT = Sun Apr 4 03:00:00 2021 CDT isdst=1 gmtoff=-18000 | |
| America/Mexico_City Sun Oct 31 06:59:59 2021 UT = Sun Oct 31 01:59:59 2021 CDT isdst=1 gmtoff=-18000 | |
| America/Mexico_City Sun Oct 31 07:00:00 2021 UT = Sun Oct 31 01:00:00 2021 CST isdst=0 gmtoff=-21600 | |
| ------------------- | |
| To remove DST settings you have to know your time shift and reverse it, so for example | |
| for America/Mexico_City being it: -6 | |
| ``` | |
| # rm -f /etc/localtime && ln -s /usr/share/zoneinfo/Etc/GMT+6 /etc/localtime |
ingmarioalberto
/ gist:e72a3df85a809c52a0296a7ecadb7aff
Created
March 22, 2023 18:16
subscription-manager refresh shows a Traceback and "Error updating system data on the server" check: /var/log/rhsm/rhsm.log etc
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| Something lik: | |
| Traceback (most recent call last): | |
| File "/sbin/subscription-manager", line 9, in <module> | |
| load_entry_point('subscription-manager==1.24.26', 'console_scripts', 'subscription-manager')() | |
| File "/usr/lib64/python2.7/site-packages/subscription_manager/scripts/subscription_manager.py", line 86, in main | |
| return managercli.ManagerCLI().main() | |
| File "/usr/lib64/python2.7/site-packages/subscription_manager/managercli.py", line 2989, in main | |
| ret = CLI.main(self) | |
| File "/usr/lib64/python2.7/site-packages/subscription_manager/cli.py", line 183, in main | |
| return cmd.main() |