[Howto] Epson ET-3600 and Debian 9.0 Linux
today there aren’t any specific ET-3600 linux drivers. However, you can use the ET-4550 driver for the ET-3600 printer and it work’s fine. download the linux ET-4550 driver Epson ESC/P-R Driver v1.6.3 from http://download.ebz.epson.net/dsc/search/01/search/ install the prerequisites: (lsb-Package) apt-get … Continued
[Howto] FreeBSD 11 and postfix 3.2.0 (‘unknown system type’ error)
make error-message: ATTENTION: ATTENTION: Unknown system type: FreeBSD 11.0-RELEASE-p2 ATTENTION: *** Error code 1 Solution: insert into postfix-3.2.0/makedefs FreeBSD.11*) SYSTYPE=FREEBSD11 : ${CC=cc} : ${SHLIB_SUFFIX=.so} : ${SHLIB_CFLAGS=-fPIC} : ${SHLIB_LD=”${CC} -shared”‘ -Wl,-soname,${LIB}’} : ${SHLIB_RPATH=’-Wl,-rpath,${SHLIB_DIR}’} : ${SHLIB_ENV=”LD_LIBRARY_PATH=`pwd`/lib”} : ${PLUGIN_LD=”${CC} -shared”} ;; … Continued
[Howto] solve adoDB error messages with Typo3 and PostgreSQL
If you want to use typo3 with postgreSQL-database you have to use the AdoDB-abstraction layer between them. AdoDB makes the typo3 commands database-independent. However, it requires some compatibility configuration in postgreSQL. If you created a new postgreSQL database, you must … Continued
[Howto] solve UID=65534 (nobody) and GID=4294967294 in NFSv4
problem: alle files/folders show the uid=65534 (=nobody) and gid=4294967294 reason: the id-mapping daemons aren’t running or are missconfigured. Check if they are running and read the manpages for correct configuring. #linux nfsidmap #freeBSD nfsuserd solution: start ID-Mapping daemons … Continued
[Howto] Kerberos + NFSv4 + ZFS (kerberized NFS)
prerequisite 1: a working Domain-Name-System for all devices (DNS and rDNS), because the kerberos tickets uses DNS-names instead of IP-adresses. Without a working DNS resolution a connection can’t be established. myServer.com → 192.168.0.1 192.168.0.1 → myServer.com #check DNS resolution dig … Continued
[Howto] KERBEROS and PAM
prerequisite: working Kerberos configuration #/etc/krb5.conf (minimal example) [libdefaults] default_realm = <MY-REALM> [realms] <MY-REALM> = { kdc = <IP-adress> admin_server = <IP-adress> } kerberized login: #/etc/pam.conf (without support for X Desktop Environment) login auth required pam_krb5.so login account required pam_krb5.so … Continued
[Facts] boot chain for UEFI and ZFS
boot -chain example with UEFI (=sucessor of BIOS): UEFI … the pc is powered on and the UEFI begins with self-test routines ↓ HDD (configured in UEFI) … UEFI boots from the configured device (e.g. “1st boot device = … Continued
[Howto] install HP Enterprise Mellanox ConnectX-2 EN NIC (671798-001) in FreeBSD
The required kernel module is not included in the base system. However you will find the needed modules as source-code, which you can compile and install manually. The required modules are: mlx4 and mlxen. #tested with ‘FreeBSD 11.0-Release-p7’ #download the … Continued
[Facts] network speed difference by increasing the mtu (maximum transfer unit)
system: 2x NICs with 10 Gb/s SFP+ ports connected with fibre-cable (Intel 82599, Mellanox MNPA19-XTR) test-software: iperf3-3.1.3 result: +5% #with mtu=1500 [SUM] 0.00-10.00 sec 11.0 GBytes 9.45 Gbits/sec sender [SUM] 0.00-10.00 sec 11.0 GBytes 9.40 Gbits/sec receiver #with mtu=9000 … Continued
[Howto] manually download kernel headers / sources in FreeBSD
download via svn or svn-lite: #command to download the complete FreeBSD source-files svnlite checkout https://svn.freebsd.org/base/releng/11.0/ /usr/src/ #command to download only the FreeBSD kernel/header source-files svnlite checkout https://svn.freebsd.org/base/releng/11.0/sys/ /usr/src/sys