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Export / Import GPG keys

GPGlinuxsecurity

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by Bazyli Brzóska | November 12th, 2014 | Code & Security

Shell
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ufw & lxc “problem running ip6tables”

linuxlxcufw

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by Bazyli Brzóska | November 12th, 2014 | Code & Security

Shell
1
modprobe ip6_tables ip6table_filter ip6table_mangle ip6t_REJECT

…

How to install software or upgrade from old unsupported release?

http://askubuntu.com/questions/91815/how-to-install-software-or-upgrade-from-old-unsupported-release

Ubuntu LXC Port Forwarding

http://www.servercobra.com/ubuntu-lxc-port-forwarding/

Watch live progress of RAID1 recovery (script)

bashlive updatingmdadmprogressscript

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by Bazyli Brzóska | July 4th, 2014 | Code & Security

Shell
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while true; do
  echo -en "33[s";
  cat /proc/mdstat;
  sleep 1;
  echo -en "33[u";
done

References:

  • http://www.tldp.org/HOWTO/Bash-Prompt-HOWTO/x361.html
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Adobe Edge Animate – Simple Parallax Scrolling

Adobe Edge AnimateJavaScriptParallax Scrolling

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by Bazyli Brzóska | June 1st, 2014 | Code & Security

CompositionReady:

JavaScript
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Create a hundred loopback partitions with SANEi

loopbackloopfsSANEi

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by Bazyli Brzóska | May 18th, 2014 | Code & Security

Shell
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sanmod filesystem-tools createloopfs /home/where-to-create-images 1248M /home/mount-points-here 99 /etc/fstab

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Prefer A (IPv4) DNS lookups before AAAA (IPv6) lookups

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by Bazyli Brzóska | May 8th, 2014 | Code & Security

Uncomment the following line in /etc/gai.conf:

Shell
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precedence ::ffff:0:0/96 100

Source:

  • http://askubuntu.com/a/38468
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Intel-based servers might work better with this

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by Bazyli Brzóska | May 5th, 2014 | Code & Security

Shell
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apt-get install intel-microcode

 …

Delete e-mails from queue in postfix by sender part “blablabla”

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by Bazyli Brzóska | May 5th, 2014 | Code & Security

Shell
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for i in `mailq|grep -B 2 'blablabla'|egrep -v '^( |(|$|--)'|awk '{print $1}'`;do postsuper -d $i;done

 …

Restricting a user in SSH-SCP only

http://www.debian-administration.org/articles/590

iDRAC 6 updates and fixes

http://enterpriseadmins.blogspot.com/

Remove ads from Skype (Windows)

adblockadsSkypeWindows

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by Bazyli Brzóska | April 16th, 2014 | Code & Security

Add https://apps.skype.com to Restricted Sites.

Reference:

  • http://superuser.com/questions/547807/how-to-disable-the-skype-ads-advertisement
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mount: could not find any free loop device

linuxloopfsmount

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by Bazyli Brzóska | April 15th, 2014 | Code & Security

You’ll have 120 loop devices:

Shell
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for i in {8..120
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recursive search and replace (grep and sed)

greplinuxsed

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by Bazyli Brzóska | March 4th, 2014 | Code & Security

Shell
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grep -rl "original" .
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