• Cari file dengan ukuran tertentu

sudo find / -type f -size 100M

• FreeBSD Upgrade

freebsd-update -r 8.3-RELEASE upgrade
freebsd-update

• Updating FreeBSD

freebsd-update fetch

Install the most recently fetched updates:

freebsd-update install

• Rollback Updates

freebsd-update  rollback

• Port Update

You should first download the ports tree. To do this, you should run portsnap with the fetch argument as shown here:

portsnap fetch

exstract port :

portsnap extract

Once the ports tree is downloaded, you can update the live ports tree (that lives in /usr/ports) with recently downloaded ports snapshot, using the following portsnap's update command:

portsnap update

• Menambahkan default gateway

route add default 10.0.0.2

FreeBSD port config path

/var/db/ports

• Update All Installed Ports/App

cd /usr/ports/ports-mgmt/portmaster
make install clean

List all outdated packatges

pkg_version -l '<'

output

autoconf-wrapper                    <
automake-wrapper                    <
bash                                <
bash-completion                     <
bigreqsproto                        <
bison                               <
cairo                               <
cups-client                         <
expat                               <
fontconfig                          <

Upgrade all Packages/App

portmaster -Da

Or use this command for all in one command :p

portsnap fetch && portsnap update && portaudit -F && portupgrade -aR

• Disk Performance info

sudo diskinfo -t /dev/da0s1

• Packer Filter (PF) block ftp bruteforce attacks

# the lists of known FTPD attackers
table <ftp-attacks> persist file "/etc/pf.ftp.block.list"
 
# block all incoming connections from attackers on FTPD
block in quick on $ext_if from <ftp-attacks>
 
# Let us allow FTP with bruteforce protection
pass in quick on $ext_if inet proto tcp from any to ($ext_if) port 21 keep state (max-src-conn-rate 5/40, overload <ftp-attacks> flush global)

• VLAN FreeBSD

cloned_interfaces="vlan100 vlan13"
ifconfig_vlan123="inet alamat_ip_public netmask 255.255.255.0 vlan 123 vlandev bce0"
ifconfig_vlan234="inet alamat_ip_lokal netmask 255.255.0.0 vlan 234 vlandev bce0"
ifconfig_bce0="up"

• Static Routing

static_routes="lan"
route_lan="-net 10.0.0.0/8 ip_gw_lokal"

Error log

Aug 20 09:39:45 proxy kernel: pid 21262 (squid), uid 62 inumber 1672833 on /var: filesystem full
Aug 20 09:39:45 proxy kernel: pid 21262 (squid), uid 62: exited on signal 6
Aug 20 09:39:45 proxy squid[21262]: logfileWrite (stdio): /var/squid/logs/access.log: (28) No space left on device
Aug 20 09:39:45 proxy squid[21232]: Squid Parent: child process 21262 exited due to signal 6
Aug 20 09:39:48 proxy squid[21232]: Squid Parent: child process 21270 started

• Force update repository PfSense

/usr/local/sbin/pkg-static update -f