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{
  "annotations": {
    "list": [
      {
        "builtIn": 1,
        "datasource": "-- Grafana --",
        "enable": true,
        "hide": true,
        "iconColor": "rgba(0, 211, 255, 1)",
        "name": "Annotations & Alerts",

juliojsb

  {
  "annotations": {
    "list": [
      {
        "builtIn": 1,
        "datasource": "-- Grafana --",
        "enable": true,
        "hide": true,
        "iconColor": "rgba(0, 211, 255, 1)",
        "name": "Annotations & Alerts",

juliojsb

# Activate Automatic Heap Dump on OutOfMemory
-XX:+HeapDumpOnOutOfMemoryError -XX:HeapDumpPath=/path/to/location/`date +%Y%m%d`.hprof

# Activate basic GC logging
-XX:+PrintGC

# Activate detailed GC logging
-XX:+PrintGCDetails

# Add Timestamps (can be used with basic or detailed GC logging)

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# ---Format conversions
# Extract audio from video file
avconv -i video.mp4 -vn -f mp3 audio.mp3

# Extract just video without audio
avconv -i video.mp4 -vcodec libx264 -an -f mp4 just_video.mp4

# Convert MP3 to WAV
avconv -i audio.mp3 audio.wav

juliojsb

1)  In /usr/share/icons create folder SublimeText and move the corresponding icon there (can be a .png)

2)  In /usr/share/applications/sublimetext.desktop create a file called sublimetext.desktop and put in it:

    [Desktop Entry]
    Name=Sublime Text
    Comment=A Sublime way of editing text
    Exec=/opt/sublimetext/sublime_text_3/sublime_text
    Icon=/usr/share/icons/SublimeText/sublimetext-icon.png
    Encoding=UTF-8

juliojsb

These tips worked for me, but use always with caution!

In about:config modify the following.

# Pipelining and network optimizations
network.http.pipelining.maxrequests 8
network.http.pipelining true
browser.display.show_image_placeholders false
network.http.max-persistent-connections-per-server  8
browser.cache.use_new_backend 1

juliojsb

For Jboss 4,5,6 AS and 6.x EAP standalone mode, append to your JAVA_OPTS the following option:

-Xrunjdwp:transport=dt_socket,address=8787,server=y,suspend=n

For Jboss 7.x AS/EAP 6.x in domain mode, in host.xml add the corresponding jvm option in the server group you need to debug:

        <server name="server-one" group="main-server-group">  
            <!-- Remote JPDA debugging for a specific server  
            <jvm name="default">  
              <jvm-options>  

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Put in /etc/sysctl.conf the following:

net.ipv6.conf.all.disable_ipv6 = 1
net.ipv6.conf.default.disable_ipv6 = 1
net.ipv6.conf.lo.disable_ipv6 = 1

After that, reload config with:

sysctl -p

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Run the following:

iptables -A INPUT   -m pkttype --pkt-type multicast -j ACCEPT
iptables -A FORWARD -m pkttype --pkt-type multicast -j ACCEPT
iptables -A OUTPUT  -m pkttype --pkt-type multicast -j ACCEPT

Or:

iptables -A INPUT   -s 224.0.0.0/4 -j ACCEPT
iptables -A FORWARD -s 224.0.0.0/4 -d 224.0.0.0/4 -j ACCEPT

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Put this at Apache main configuration level (httpd.conf or apache2.conf) or even at VirtualHost level.

To enable only TLS (in all its versions):

SSLProtocol all -SSLv2 -SSLv3
SSLCompression off
SSLHonorCipherOrder on
SSLCipherSuite "ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256:ECDHE-RSA-AES256-SHA"

If you want to enable only TLS v1.2: