andy722

#
# Remove `line` from `array`. 
# If `line` occurs multiple times, only a single occurrence is removed.
#
new_array=()
skipped=0
for value in "${array[@]}"; do
    if [ "$value" == "$line" ] && [ $skipped -eq 0 ]; then
    	skipped=1
    else

andy722

import com.google.common.base.Preconditions

import java.nio.ByteBuffer

import static com.google.common.base.Preconditions.checkState

// See java.util.UUID#randomUUID
UUID generateV4(byte[] src) {
  checkState src.length <= 14

andy722

pvcreate /dev/sdc
vgcreate vgstore /dev/sdc
lvcreate -l 100%VG -n biggfsbrick  vgstore
mkfs.xfs /dev/vgstore/biggfsbrick
echo '/dev/vgstore/biggfsbrick /export/biggfsbrick/ xfs defaults 1 2' >>/etc/fstab
mkdir /export/biggfsbrick
mount /export/biggfsbrick


gluster volume create big-repl-store replica 3 transport tcp app-01:/export/biggfsbrick/repl-store app-02:/export/biggfsbrick/repl-store app-03:/export/biggfsbrick/repl-store

andy722

db.adminCommand( { listDatabases: 1 } ).databases.forEach(function (otherDb) {
    var siblingDb = db.getSiblingDB(otherDb.name);
        siblingDb.getCollectionInfos().forEach(function (coll) {
                print(otherDb.name + '.' + coll.name + '\t->\t' + siblingDb.getCollection(coll.name).stats().wiredTiger.uri)
            })
    })

andy722

ansible swarm_dtln -b -m user -a "name=USERNAME state=absent remove=yes force=true"

ansible swarm_dtln -b -m replace -a 'backup=yes dest=/etc/ssh/sshd_config regexp=^(AllowUsers.*)\\b(USERNAME)\\b(.*)$ replace=\\1\\3'
ansible swarm_dtln -b -m replace -a 'backup=yes dest=/etc/ssh/sshd_config regexp=^(Match.*)\\b(USERNAME\,)\\b(.*)$ replace=\\1\\3'
ansible swarm_dtln -b -m service -a "name=sshd state=restarted"

andy722

# /var/log/secure:

...
Jan 28 10:47:22 web01 sshd[17503]: Accepted publickey for <myuser> from <myip> port 56325 ssh2: RSA SHA256:<checksum>
...

# Compute fingerprints from authorized keys.
# Match w/ the one in `secure' log.

# ssh-keygen -lf ~myuser/.ssh/authorized_keys 

andy722

#!/usr/bin/env bash


export YT_COOKIE=""     # Get this from browser cookies, looks like "pp71vwl46b0t6ftkmo6bt5xt"
export REPORT_ID=""     # Report ID, get this from URI of report page. Looks like 104-110
export USER=""          # YouTrack username to filter by.
export YT_HOST=""       # YouTrack host, like https://youtrack.mycompany.com.


####################################################################################################

andy722

#!/bin/bash

#
# Dumps JVM application stack in case CPU load exceeds allowed threshold.
#
# This script is supposed to be called regularly, e.g. cron entry:
#
#     */5 * * * * /opt/apps/stack-dumps/auto-dump.sh
#

andy722

import org.apache.commons.mail.HtmlEmail

import javax.management.remote.JMXConnector
import javax.management.remote.JMXConnectorFactory
import javax.management.remote.JMXServiceURL

// @Grab(group = 'org.apache.commons', module = 'commons-email', version = '1.3.2', transitive = true)


//

andy722

import javax.management.MBeanServerConnection
import javax.management.ObjectName
import javax.management.remote.JMXConnector
import javax.management.remote.JMXConnectorFactory
import javax.management.remote.JMXServiceURL

final findBean = { MBeanServerConnection server,
                   String beanName ->
  server.queryMBeans(null, null).find { it.name.serializedNameString.contains beanName }
}