Shortcut Key of MAC

1. FN+(Arrow up/down) = Page up / down 2. FN+(Arrow left/right) = go to top or bottom of a page 3. COMMAND+(Arrow up/down) = go to top or bottom of a page 4. COMMAND+(Arrow left/right) = go to beginning/end of a line 5. Command-X  = Cut the selected Item 6. Command-C  = Copy the selected Item 6. Command-V  = Paste the Content 7. Command-Z  = undo the previous Item 7. Command-A  = Select All For Details https://support.apple.com/en-us/HT201236

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How to configure Service Policy in Juniper

  Juniper Interface Bandwidth Limit #set firewall policer 8mb if-exceeding bandwidth-limit 10m #set firewall policer 10mb if-exceeding burst-size-limit 1m #set firewall policer 10mb then discard [10mb is policer name. burst size should be 10% of bandwidth limit] #set interfaces ge-1/0/0 unit 0 family inet policer input 10mb #set interfaces ge-1/0/0 unit 0 family inet policer output 10mb [Call 10mb policer to your desire interface]

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How to Configure NTP Server in Ubuntu

  NTP Server use synchronising time over a network. Basically a client requests the current time from a server, and uses it to set its own clock. in this article we share how to install NTP server. Step 1 Install NTP Package apt-get install ntp mv /etc/ntp.conf /etc/ntp.conf.bk Step 2 Configure NTP Server vi /etc/ntp.conf server ntp1.jst.example.com server ntp2.jst.example.com server ntp3.jst.example.com Step 3 Start NTP Service /etc/init.d/ntp start ntpq -p  

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How to Configure GRE Tunnel in Cisco

GRE means Generic Routing Encapsulation. GRE is a Cisco proprietary standard for encapsulating layer 3 packets over an IP network.GRE tunnel Create  a Virtual Point to Point Connection. GRE Protocol offer many Advantage like-use Multiple Protocol in single Backbone,Being less resource demanding than its alternatives (e.g. IPsec VPN) Please note that GRE does not encrypt the tunnel but encapsulates it with a GRE header. if data protection require need to configure IPSEC. in this Topology we Configure GRE Tunnel.   R1 Router Initial Configure R1#conf t Enter configuration commands, one…

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