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Howto install sar & ksar system activity info in Centos / Redhat
The sar command collect, report, or save UNIX / Linux system activity information. It will save selected counters in the operating system to the /var/log/sa/sadd file. Fromlinux-logo the collected data, you get lots of information about your server: CPU utilization Memory paging and its utilization Network I/O, and transfer statistics Process creation activity All block […]
Firewalld Cheat Sheet
Notes and Tips To list all services firewalld is aware in an easy to read format use command firewall-cmd –get-services | tr ” ” “\n” Default firewalld service .xml files can be found under /usr/lib/firewalld/services For all commands that support the –zone= option if no zone is provided it will use the default zone. To make changes persistent add […]
Connect Cisco SPA400 SIP Gateway (4 FXO Ports) with Asterisk
On Asterisk /etc/asterisk/sip.conf, you need to configure the account exactly similar to User ID of SPA400 The entries in sip.conf to enable Asterisk register to SPA400 are as follow: [general] register => [email protected]/9000 Replace 9000 with the value you entered in the User ID of SPA400, and replace 192.168.0.2 with the IP address of the […]