traceroute
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# yum install traceroute Loaded plugins: fastestmirror Determining fastest mirrors Could not retrieve mirrorlist http://mirrorlist.centos.org/?release=7&arch=x86_64&repo=os&infra=stock error was 14: curl#6 - "Could not resolve host: mirrorlist.centos.org; 알 수 없는 오류" epel/x86_64/metalink | 5.1 kB 00:00 Could not retrieve mirrorlist http://mirrorlist.centos.org/?release=7&arch=x86_64&repo=extras&infra=stock error was 14: curl#6 - "Could not resolve host: mirrorlist.centos.org; 알 수 없는 오류" Could not retrieve mirrorlist http://mirrorlist.centos.org/?release=7&arch=x86_64&repo=updates&infra=stock error was 14: curl#6 - "Could not resolve host: mirrorlist.centos.org; 알 수 없는 오류" * base: mirror.kakao.com * epel: d2lzkl7pfhq30w.cloudfront.net * extras: mirror.kakao.com * remi-php73: ftp.riken.jp * remi-safe: ftp.riken.jp * updates: mirror.kakao.com http://mirror.anigil.com/CentOS/7.9.2009/os/x86_64/repodata/repomd.xml: [Errno 14] HTTP Error 404 - Not Found Trying other mirror. To address this issue please refer to the below wiki article https://wiki.centos.org/yum-errors If above article doesn't help to resolve this issue please use https://bugs.centos.org/. base | 3.6 kB 00:00 http://mirror.anigil.com/CentOS/7.9.2009/extras/x86_64/repodata/repomd.xml: [Errno 14] HTTP Error 404 - Not Found Trying other mirror. extras | 2.9 kB 00:00 mysql-connectors-community | 2.6 kB 00:00 mysql-tools-community | 2.6 kB 00:00 mysql80-community | 2.6 kB 00:00 packages-microsoft-com-prod | 1.5 kB 00:00 remi-php73 | 3.0 kB 00:00 remi-safe | 3.0 kB 00:00 http://mirror.anigil.com/CentOS/7.9.2009/updates/x86_64/repodata/repomd.xml: [Errno 14] HTTP Error 404 - Not Found Trying other mirror. updates | 2.9 kB 00:00 packages-microsoft-com-prod/primary | 345 kB 00:00 packages-microsoft-com-prod 2231/2231 Resolving Dependencies --> Running transaction check ---> Package traceroute.x86_64 3:2.0.22-2.el7 will be installed --> Finished Dependency Resolution Dependencies Resolved ================================================================================ Package Arch Version Repository Size ================================================================================ Installing: traceroute x86_64 3:2.0.22-2.el7 base 59 k Transaction Summary ================================================================================ Install 1 Package Total download size: 59 k Installed size: 92 k Is this ok [y/d/N]: y Downloading packages: traceroute-2.0.22-2.el7.x86_64 FAILED http://mirror.anigil.com/CentOS/7.9.2009/os/x86_64/Packages/traceroute-2.0.22-2.el7.x86_64.rpm: [Errno 14] HTTP Error 404 - Not Found Trying other mirror. traceroute-2.0.22-2.el7.x86_64.rpm | 59 kB 00:00 Running transaction check Running transaction test Transaction test succeeded Running transaction Installing : 3:traceroute-2.0.22-2.el7.x86_64 1/1 Verifying : 3:traceroute-2.0.22-2.el7.x86_64 1/1 Installed: traceroute.x86_64 3:2.0.22-2.el7 Complete! |
Test
traceroute yahoo.com
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# traceroute yahoo.com traceroute to yahoo.com (74.6.143.25), 30 hops max, 60 byte packets 1 * * * 2 * * * 3 * * * 4 * * * 5 * * * 6 * * * 7 * * * 8 * * * 9 * * * 10 * * * 11 * * * 12 * * * 13 * * * 14 * * * 15 * * * 16 * * * 17 * * * 18 * * * 19 * * * 20 * * * 21 * * * 22 * * * 23 * * * 24 * * * 25 * * * 26 * * * 27 * * * 28 * * * 29 * * * 30 * * * |