Questions tagged [ping]
ping is a command line tool/network utility often used to troubleshoot connectivity and network latency issues. PING is an acronym for Packet INternet Groper. Questions about the ping command should use this tag.
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How to command "Ping" display time and date of ping
When I ping I have this display:
> ping -i 4 www.google.fr
64 bytes from wi-in-f94.1e100.net (173.194.67.94): icmp_seq=503 ttl=46 time=45.5 ms
.......
.......
64 bytes from wi-in-f94.1e100.net (...
71
votes
3
answers
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Ping for 4 times
Usually I use ping to check my internet connection. In windows, if I use:
ping google.com
I get only 4 information ping, but on Ubuntu, if I use that command, the ping can' stop until I stop it with ...
65
votes
7
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A "failed to fetch" error occurs when apt-get update is run. How do I fix this?
Contrary to the note above, I haven't found the answer to my problem.
I have read almost a dozen apt-get update questions, most from askubuntu.com, with "failed to fetch" errors and tried the ...
61
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4
answers
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nslookup finds ip for a hostname in .local domain, but ping does not
I know this looks like all the other "can ping via ip but not dns" questions, but those didnt really help me at all.
Also, having hosts files in all machines is not doable as this server will ...
51
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6
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How to show failed ping?
When we are using windows ping , it will show the failed pings. Does Ubuntu have similar function?
The failed ping is quite useful when debugging the network. How you guys solve this? Well, I only ...
41
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4
answers
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I can not ping microsoft.com but can open it using browser
I can not ping microsoft.com but can open it through Firefox. I am using 12.04LTS. I am able to ping all other websites.
38
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3
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How to monitor who is pinging me?
Is there a way to know who is pinging my PC on my network? Is it possible to monitor all ICMP packets? How can I do that?
27
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6
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What does “ping: sendmsg: No buffer space available” mean?
I had an intermittent issue (which resolves itself spontaneously, after using a different connection for a while) that caused Internet requests to fail, with one particular wireless network. After ...
26
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4
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How to ping the Internet on Ubuntu?
I need to ping Google to see my Internet status. In Windows we use:
ping -t [websitename]
In the run menu. How do I do this on Ubuntu?
24
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2
answers
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NordVPN local network addresses not reachable when connected
I'm using nordvpn CLI on Ubuntu for quite a while but, since a few days, when I'm trying to reach any other client in my local network, I'm getting e.g. the following problem:
$ ping 192.168.178.1
...
16
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7
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What non malicious uses are there for ping's flood (-f) option? [closed]
I have been reading up on common ways in which people attack each other on the internet through things like DDOS attacks etc, and how one would defend oneself from such attacks, and I have come across ...
16
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7
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ping multiple IP's using bash?
I have 10 IP numbers which I have to ping daily for checking , How I can do that by using BASH script. So that I can automate that task by using cron. I want BASH script only.
Thank you.
16
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1
answer
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Bash wait for a ping success
I'm writing on a script rebooting various Server's. After the reboot I want to "wait" until all Server's are back online. (To keep things simple I defined for me online=pingable)
So for each Server I ...
15
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1
answer
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how to ping & use specific network card
i have 3 network cards , 1 Lan (wired) , 1 wireless network card & 1 is wireless usb
how do i ping from specific network card ?
& how do i use specific network card for specific ...
11
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8
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Why can't I hear audible pings?
The ping manual says that ping -a will generate audible pings, but when I try this no sound is made.
What am I doing wrong?
11
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5
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Atheros AR9462 WiFI very unstable & package loss
I'm having severe issues w/ package-loss and a generally bad connection w/in a WiFi-network at my uni. I'm usually encountering a package loss of ~50% and aborting connections which makes working w/ ...
10
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How do I terminate a 'Ping' without closing the command terminal window?
When I use the 'Ping' command in a terminal window, how do I terminate the ping? I have pinged my router (192.168.1.1) and the results have displayed in the terminal window, but the program keeps ...
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3
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how to detect a file over internet using ping or similar command?
I have a shell script to download some of my stuff over Internet. How can I know if a file exists over the Internet? Let's say I want to know if http://192.168.1.1/backup/01012011.zip exists or not? ...
10
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4
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How to ping all the ip in LAN using Terminal?
I am trying to ping all the systems available in the local area network using terminal command.
Can any one tell me how to do this?
9
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4
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What would cause 'ping localhost' to fail?
the /etc/hosts file contains a line: 127.0.0.1 localhost
so localhost should be a valid hostname, but any attempt to connect to a port on localhost fails, including ping.
Connection attempts into ...
9
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2
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How to use timestamp option in ping
I noticed that there is a timestamp option -T in the ping help. But I don't know how to use it.
I tried:
ping www.google.com -T
This is what I get:
Invalid timestamp type
What is the timestamp ...
9
votes
1
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How to check if ICMP blocking is enabled in a system..?
A VLAN pool enabled newly is not pinging the device. Connectivity issues are not there.
Can this be because if ICMP Blocking is enabled?
How to check the status of the same?
8
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4
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Change the size of a ping
I would like to change the default size of my ping, to be able to test the MTU on my link.
How can I do that?
8
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3
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Wifi connected but no data transfer: "ping: sendmsg: No buffer space available"
I have a Desktop which runs on Windows XP and a laptop which runs in Ubuntu 12.04.
Recently I have set up a wireless router in order to be able to access internet on my laptop through wifi. The ...
7
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2
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How do I configure a machine to respond or not respond to ping requests?
How can I manage my Ubuntu machine so it doesn't (or does) respond to PING (ICMP ECHO_REQUEST - type 8) requests?
Normally almost all computers in a LAN network respond to ping with an ICMP ...
7
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2
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4k
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Can ping but cannot wget on host with bridge interface
This is driving me mad, since I have spent the las two days trying to solve this.
I have an Ubuntu Server 14.04.2 LTS with KVM and libvirt. I have two guests virtual machines:
pfSense-2.2: virtio ...
7
votes
1
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Ubuntu server can access internet but cannot ping systems in the LAN
I have 2 ethernet interface eth0 with IP 192.168.1.11 and eth1 with IP 192.168.1.12 and i have modem/router as 192.168.1.1.
I can access internet from this server machine, but cannot access any ...
6
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2
answers
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Ping for 60 seconds
I want to ping an IP Address for 60 seconds. Like in Windows, you specify the time with '-t' flag.
ping 192.168.1.1 -t60
Is it possible in Linux?
6
votes
2
answers
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Why can't I ping over IPv6?
I can browse normally, I can create this question for example, apt update works fine, but when I was trying to install firebase using npm, I received a time out (npm ERR! network request to http://...
6
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2
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How can i ping a Computer or a Printer using its Mac address?
Suppose I have a printer in my network has a Mac Address : 11:22:33:44:55:66 .
Is there a way i can ping it to see if its up or down using its Mac address ?
Any Help ?
6
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1
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what is the exact meaning of ping -A
-A Adaptive ping. Interpacket interval adapts to round-trip time, so that effectively not more than one (or more, if preload is set) unanswered probe is present in the network. Minimal ...
6
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2
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Can resolve hostname via dns using `host` but can't ping/ssh/ntp
I'm setting up a local network and have configured a DNS server. I can resolve hostnames by querying the DNS server, but no programs can look them up.
I uninstalled libnss-mdns and removed avahi-...
6
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1
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UbuntuOne for Windows does not work - I got "Problem opening the ping_url" error
When I try to login to existing account I got "Problem opening the ping_url" error.
6
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2
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Can't ping Ubuntu laptop from my LAN
My laptop has Ubuntu 10.10 and is connected to my router with full internet access, yet I can't ping it from other computers on my LAN. I tried the following:
I can successfully ping those other ...
5
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2
answers
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Making copy of /bin/ping exectuable
I have copied my /usr/bin/ping file to another location (my home directory) with just a typical cp /bin/ping p command and then it stopped working, because the lack of permissions. Precisely:
Ping: ...
5
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1
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Why does ping -f act like this?
ping -f -s 65500 ip_address
I'm using this command to try a sample DoS attack.
Generally cursor is progressing but sometimes cursor is blinking like this:
Generally:
What is the meaning of this?
...
5
votes
1
answer
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How do I ping the Ubuntu host system from a Windows guest in VirtualBox?
I connected to a wireless point and use "ifconfig" but I don't see any IP in eth0. Where's my IP address? Sorry if this is a silly question. :)
I want to use "ping" in Virtualbox Windows 7 guest. ...
5
votes
1
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Have internet connection but can't ping External sites
I have an Internet connection and can browse, but I can't ping the google DNS,
ping 8.8.8.8
nor can I ping google.com
Any ideas why this might occur?
5
votes
3
answers
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Ping works , but unable to do ssh
I disabled the firewall with sudo ufw disable, I can ping the server, the server can ping me but I can't ssh to it:
root@ubuntu:/home/acme# ssh 192.168.1.6 ssh: connect to host
192.168.1.6 port 22: ...
5
votes
1
answer
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One single ping, Vasily
The BSD version of Ping(8), notably on OS X, includes a convenient "one ping only" option (-o) that mirrors Sean Connery's famous quote from Hunt for Red October. The option terminates Ping once the ...
5
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2
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ubuntu 12.04.3 - Reverse DNS issue - slow ping interval but normal ping value
i'm running ubuntu 12.04.3 x86 desktop in my corporation environment. I join the corp domain by Likewise open. But when I ping another pc, say hostname is pc-test, "ping pc-test" or "ping pc-test....
5
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2
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How to ping a specific port
I often use the ping command to check if a website is available or not, or if I can access a machine, so basically mostly for diagnostics, and what would be really useful is if I could specify which ...
5
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1
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WARNING: kernel is not very fresh, upgrade is recommended
Sometimes when running ping, I see the following:
$ ping somehost
PING somehost (192.168.x.x) 56(84) bytes of data.
WARNING: kernel is not very fresh, upgrade is recommended
What causes this warning,...
5
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4
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Is there a Linux utility for monitoring hosts with GUI? [closed]
I need a program for Linux desktop to monitor hosts with GUI. Like PingInfoView for Windows. Or 10-Strike Network Monitor.
What would you recommend?
Please, before you answer view functionality ...
5
votes
2
answers
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Different internet ping from two user accounts
My desktop is running xubuntu 14.04 and my internet access is terrible with pings up to 9000MS. I created a new user account and I show ping speeds around 30ms, and browsing is fast. How can I find ...
4
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1
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I can only ping google and ubuntu
I am using ubuntu-server 19.10 and I can only ping (from what I have tried) google.com, youtube.com and ubuntu.com.
I however cannot ping, wget or git clone from github.com, cnet.com, duckduckgo.com, ...
4
votes
1
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How to increase pinging rate?
Is there a way to increase the pinging rate on Ubuntu 10.04 ?
ping routerIP
Thanks.
4
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3
answers
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can not ping google using proxy
I am using a proxy to connect to internet. I can use firefox and software center. but can not ping google. when I try it says
ping google.com
ping: unknown host google.com
I have tried with ip ...
4
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3
answers
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Can't ping any websites, but can access websites through browser
I'm using Ubuntu 13.10 running on the newest version of Macbook Pro (dual boot). I'm using wireless connection to access websites through the Chrome browser and it works. But ping doesn't work. For ...
4
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1
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Can I use ping to see real time drop rates?
I'm pinging a server which is dropping packets. At the end of my ping I see something like:
100 packets transmitted, 85 received, 15% packet loss, time 100030ms
What I'd like to do is run my ping ...