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Here are some random notes for the migration from ubuntu to linux mint 10 (julia) ! /etc/apt/sources.list deb http://packages.linuxmint.com/ julia main upstream import deb http://archive.ubuntu.com/ubuntu/ maverick main restricted universe multiverse deb http://archive.ubuntu.com/ubuntu/ maverick-updates main restricted universe multiverse deb http://security.ubuntu.com/ubuntu/ maverick-security main restricted universe multiverse deb http://archive.canonical.com/ubuntu/ maverick partner deb http://packages.medibuntu.org/ maverick free non-free #deb http://archive.getdeb.net/ubuntu [...]

to save for later… mhvtl – A Linux Virtual Tape Library http://sites.google.com/site/linuxvtl2/ That could be a really nice backup solution.

#!/usr/bin/perl -w # # ARD tagesschau podcast url $url = "http://www.tagesschau.de/export/video-podcast/webl/tagesschau/"; # # wget parameter $wgetopts = "–quiet"; $targetpath = "/tmp"; # # Enable verbose output $verbose = 0; # ############################# use XML::Simple; use LWP::Simple; sub output{ my $msg = shift; if ($verbose) { printf STDERR "$msg\n"; } } $xmlcontent = get($url); my $xml = [...]

Released check_ajp v1 – see here

/usr/java/jdk1.5.0_22/bin/jstat -gcutil 18703 1s 10 gcutil = Summary of Garbage Collection Statistics (mandatory) 18703 = process id (mandatory) 1s = refresh interval (optional) 10 = counter (optional) $ /usr/java/jdk1.5.0_22/bin/jstat -gcutil 25532 1s 10 S0 S1 E O P YGC YGCT FGC FGCT GCT 0.00 0.00 71.36 35.59 72.25 39 6.195 1 0.440 6.635 0.00 0.00 [...]

To create a shared disk between two or more VMs, login into one of your ESX hosts and create a disk image. cd /vmfs/volumes/#volume-name#/#vm-name#/; vmkfstools -d thick -a lsilogic -c 50G shareddisk.vmdk; Add the new hardrive to the guest(s) and select a new SCSI bus (like SCSI 2:0). VMware create a new SCSI controller. Set [...]

Some linux distribution are shiped without a config for the catalina.out (Tomcat application server) $ cat /etc/logrotate.d/tomcat /var/log/tomcat/base/catalina.out { compress copytruncate create 644 tomcat tomcat rotate 30 size 4M } The catalina.out will be rotated after 4 mb and stored for 30 days (/var/log/tomcat/base/catalina.out.1; /var/log/tomcat/base/catalina.out.2.gz and so on)

You getting from your ISP a subnet like this 172.30.26.16/28, and your router has the ip 172.30.26.17 ! You need to enable the ip forwarding in the kernel sysctl -w net.ipv4.ip_forward=1 And we need to enable proxy arp! This is necessary because your router must answer all arp request for hosts other than itself sysctl [...]

Ubuntu includes the php suhosin patches…. Install suhosin extension aptitude install php5-suhosin /etc/php5/{apache2,cli,cgi}/php.ini ; suhosin parameters suhosin.executor.include.max_traversal = 4 suhosin.executor.disable_eval = On suhosin.executor.disable_emodifier = On suhosin.mail.protect = 2 suhosin.sql.bailout_on_error = On Restart apache service apache2 restart Sometimes it could be necessary to set suhosin.session.encrypt to off for some login scripts.

Client configuration (notebook, workstation what ever) Edit your /etc/postfix/main.cf # TLS client parameter smtp_use_tls = yes smtp_enforce_tls = yes # for postfix < 2.3 # smtp_tls_security_level = secure smtp_sasl_tls_security_options = $smtp_sasl_security_options smtp_tls_CAfile = /etc/ssl/certs/cacert.org.pem smtp_tls_loglevel = 0 [...] relayhost = [mx1.example.com]:587 mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128 inet_interfaces = loopback-only [...] smtp_sasl_auth_enable = yes smtp_sasl_password_maps = [...]