Everything works!
Tips & tricks
VPN over SSH SSH Tunnel SSH based tunneling VPN-SSH Since OpenSSH 4.3 tun/tap device can be used to encrypt a tunnel and create VPN over SSH. This is much like other TLS based VPN solutions e.g. OpenVPN. The main advantage to use SSH based tunneling is no need to install and configure additional software. … Continue reading VPN over SSH
Installing Log.io on CentOS log.io: Real-time log monitoring in your browser Powered by node.js + socket.io Log.io uses nodeJS, so first of all we need to install Node JS on a CentOS machine with the dependencies. You should have root or sudo access for it.
Munin: tips and tricks. fix disk width in the file: /etc/munin/plugin-conf.d/munin-node you need to add next:
|
1 2 3 |
[diskstats] env.trim_labels no env.graph_width 1152 |
than perform a restart of the munin-node:
|
1 |
/etc/init.d/munin-node restart |
Munin: tips and tricks. html and graphics generation My munin server tuns at ubuntu 12.04 LTS. To regenerate graphs in /var/cache/munin/www run:
|
1 2 |
root@mon:~# su - munin --shell=/bin/bash munin@mon:~$ /usr/share/munin/munin-graph --debug |
To regenerate index.html in /var/cache/munin/www turn on cron-based strategy and turn off cgi-based strategy in munin.conf and run:
|
1 2 |
root@mon:~# su - munin --shell=/bin/bash munin@mon:~$ /usr/share/munin/munin-html --debug |
You can easily prolong the life of your HDD putting small, high access files into RAM. FreeBSD:
|
1 2 |
# mkdir /mnt/ramdisk # mount -t tmpfs -o size=1G,mode=777 tmpfs /mnt/ramdisk |
to mount tmpfs each time your system boots at scheduled reboots add to /etc/crontab:
|
1 |
tmpfs /mnt/ramdisk tmpfs rw,size=1G,mode=777 0 0 |
Debian:
|
1 2 3 |
# mkdir /mnt/ramdisk # chmod 777 /mnt/ramdisk # mount -t tmpfs -o size=1024M tmpfs /mnt/ramdisk |
To have it automatically created at start add to /etc/fstab next:
|
1 |
tmpfs /mnt/ramdisk tmpfs defaults,size=1g 0 0 |