Category Archives: *NIX

Happy Sysadmin Day !

SnamTrap and Zabbix

Centos 6

  • edit /etc/snmp/snmptrapd.conf

disableAuthorization yes

traphandle default /usr/sbin/snmptt

snmpTrapdAddr udp:10.100.0.2:162

doNotLogTraps yes

  • /etc/snmp/snmptt.ini

snmptt_conf_files = <<END
/etc/snmp/snmptt.conf
END

  • Add MIB in /etc/snmp/snmptt.conf

EVENT linkDown .1.3.6.1.6.3.1.1.5.3 “Status Events” Normal
FORMAT ZBXTRAP $aA Link down on interface $1. Admin state: $2. Operational state: $4
EXEC /usr/lib/zabbix/externalscripts/zabbix_trapper.sh $aA $1 $4

EVENT linkUp .1.3.6.1.6.3.1.1.5.4 “Status Events” Normal
FORMAT ZBXTRAP $aA Link up on interface $1. Admin state: $2. Operational state: $4
EXEC /usr/lib/zabbix/externalscripts/zabbix_trapper.sh $aA $1 $4

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Zabbix Tellegram graph

1.Create new User and add to Guest group.

Example: User_for_API

2.Test

curl -s -i -X POST -H ‘Content-Type: application/json-rpc’ -d ‘{ “params”: { “user”: “User_for_API “, “password”: “” }, “jsonrpc”: “2.0”, “method”: “user.login”, “id”: 0 }’ ‘http://127.0.0.1/zabbix/api_jsonrpc.php’

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nginx selinux php-fpm error Permission denied

[crit] 24496#24496: *2747 connect() to 127.0.0.1:8000 failed (13: Permission denied) while connecting to upstream, client: , server: , request: “GET /test.php HTTP/1.1”, upstream: “fastcgi://127.0.0.1:8000”

[error] 24496#24496: *2731 open() index.html failed (13: Permission denied), client: , server: request: “GET /index.html HTTP/1.1”, host:

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centos 7 inerface config

ip link add link enp9s4f0 name enp9s4f0.100 type vlan id 100
ip link set dev enp9s4f0.100 up
ip addr add 192.168.0.2/24 dev enp9s4f0.100
ip route add default via 192.168.0.1

ip a

Monitoring Process and User

##Display Statistics of Users Connect Time

# ac

##Display Statistics of Users Day-wise

# ac -d

##Display Time Totals for each User

# ac -p

##Display Individual User Time

# ac tecmint

##Display Day-Wise Logn Time of User

# ac -d tecmint

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FreeBSD run problem after upgrade

FreeBSD upgrade from 7.4->8.1 or 8.1->8.2
Freebds freeze on boot.

Boot on single user mode and ADD to /boot/device.hints

hint.usb.0.disabled=”1″
hint.ohci.0.disabled=”1″
hint.ata.0.disabled=”1″
hint.ata.1.disabled=”1″

FFserver, which has been removed :(

APIchanges: FFserver, which has been removed from FFmpeg 🙁

Log:
multimedia/ffmpeg: update to 4.0

– FFSERVER support was removed upstream
– libressl now uses libtls backend instead of patching openssl one
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postgress dump restore

pg_dumpall > db.out
psql -f db.out postgres

centos virualmin nginx php-fpm

cd /opt
git clone https://github.com/Real-Gecko/virtualmin-nginx-fpm.git
tar -zcf virtualmin-nginx-fpm.tar.gz virtualmin-nginx-fpm

Webmin menu >> Mebmin module >> Install Module >> From local file >> enter /opt/virtualmin-nginx-fpm.tar.gz >> click ‘Install Module’.