![](\"https:\/\/onet.com.vn\/wp-content\/uploads\/2020\/12\/tomcat00.png\")
<\/figure>\nB\u00e0i vi\u1ebft n\u00e0y s\u1ebd h\u01b0\u1edbng d\u1eabn cho b\u1ea1n v\u00e0i c\u00e1ch \u0111\u1ec3 c\u00f3 th\u1ec3 thay \u0111\u1ed5i c\u1ed5ng khi ch\u1ea1y apache tomcat, c\u1ee5 th\u1ec3 \u1edf \u0111\u00e2y l\u00e0 c\u1ed5ng 80.<\/p>\n<\/p><\/div>\n<\/div>\n
<\/span> <\/p>\n Th\u00f4ng th\u01b0\u1eddng, c\u1ed5ng m\u1eb7c \u0111\u1ecbnh khi ch\u1ea1y apache tomcat l\u00e0 c\u1ed5ng 8080. Tuy nhi\u00ean, \u0111i\u1ec1u n\u00e0y s\u1ebd g\u00e2y m\u1ed9t s\u1ed1 phi\u1ec1n to\u00e1i khi lu\u00f4n ph\u1ea3i nh\u1eadp \u0111\u1ecba ch\u1ec9 c\u1ed5ng 8080.<\/p>\n V\u00ec v\u1eady, \u0111\u1ec3 kh\u1eafc ph\u1ee5c v\u1ea5n \u0111\u1ec1 n\u00e0y, ta s\u1ebd cho apache tomcat ch\u1ea1y \u1edf c\u1ed5ng m\u1eb7c \u0111\u1ecbnh c\u1ee7a giao th\u1ee9c http l\u00e0 80. C\u00f3 r\u1ea5t nhi\u1ec1u c\u00e1ch \u0111\u1ec3 l\u00e0m \u0111\u01b0\u1ee3c \u0111i\u1ec1u n\u00e0y, d\u01b0\u1edbi \u0111\u00e2y m\u00ecnh xin h\u01b0\u1edbng d\u1eabn 2 c\u00e1ch sau.<\/p>\n C\u1ed5ng 80 l\u00e0 c\u1ed5ng ch\u1ec9 \u0111\u01b0\u1ee3c ph\u00e9p ch\u1ea1y d\u01b0\u1edbi quy\u1ec1n root. N\u1ebfu apache tomcat qu\u1ea3n l\u00ed b\u1edfi ng\u01b0\u1eddi d\u00f9ng tomcat s\u1ebd kh\u00f4ng ch\u1ea1y \u0111\u01b0\u1ee3c c\u1ed5ng n\u00e0y. V\u00ec v\u1eady ta s\u1ebd \u0111\u1ed5i quy\u1ec1n s\u1edf h\u1eefu cho apache tomcat sang root. C\u00e1ch n\u00e0y c\u00f3 \u0111\u1eb7c \u0111i\u1ec3m sau:<\/p>\n \u0110\u1ea7u ti\u00ean, ta t\u00ecm t\u1edbi file T\u00ecm t\u1edbi d\u00f2ng nh\u01b0 h\u00ecnh b\u00ean tr\u00ean, \u0111\u1ed5i Ta c\u1ea7n t\u00ecm file service c\u1ee7a tomcat \u0111\u1ec3 thay \u0111\u1ed5i quy\u1ec1n. Nh\u01b0 b\u00e0i h\u01b0\u1edbng d\u1eabn c\u00e0i \u0111\u1eb7t l\u1ea7n tr\u01b0\u1edbc (xem t\u1ea1i \u0111\u00e2y<\/a>), m\u00ecnh l\u01b0u file tomcat.service t\u1ea1i Sau khi thay \u0111\u1ed5i file service, ta ti\u1ebfn h\u00e0nh reload v\u00e0 restart l\u1ea1i n\u00f3 nh\u01b0 sau:<\/p>\n Nh\u01b0 v\u1eady l\u00e0 ta \u0111\u00e3 ho\u00e0n to\u00e0n \u0111\u1ed5i c\u1ed5ng tomcat sang 80.<\/p>\n M\u1ed9t c\u00e1ch hay h\u01a1n v\u00e0 an to\u00e0n h\u01a1n c\u00e1ch tr\u00ean \u0111\u00f3 l\u00e0 s\u1eed d\u1ee5ng firewalld.<\/p>\n V\u1edbi c\u00e1ch n\u00e0y, apache tomcat v\u1eabn s\u1ebd nghe t\u1ea1i c\u1ed5ng 8080, m\u1ecdi l\u01b0u l\u01b0\u1ee3ng s\u1ebd \u0111\u01b0\u1ee3c chuy\u1ec3n h\u01b0\u1edbng b\u1eb1ng firewalld. B\u1ea1n s\u1ebd kh\u00f4ng ph\u1ea3i thay \u0111\u1ed5i b\u1ea5t c\u1ee9 c\u1ea5u h\u00ecnh n\u00e0o c\u1ee7a tomcat. Ta th\u1ef1c hi\u1ec7n l\u1ec7nh nh\u01b0 sau:<\/p>\n L\u01b0u \u00fd: B\u1ea1n c\u0169ng c\u00f3 th\u1ec3 d\u00f9ng iptables \u0111\u1ec3 nat port tuy nhi\u00ean ph\u1ea3i t\u1eaft d\u1ecbch v\u1ee5 firewalld tr\u01b0\u1edbc \u0111\u00f3.<\/p>\n<\/blockquote>\nM\u1ee5c l\u1ee5c<\/h2>\n
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<\/a><\/h2>\n
1. M\u1ee5c \u0111\u00edch<\/h2>\n
<\/a><\/h2>\n
2. C\u00e1ch 1: Thay \u0111\u1ed5i quy\u1ec1n s\u1edf h\u1eefu cho tomcat.service<\/h2>\n
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<\/a><\/h3>\n
B\u01b0\u1edbc 1: \u0110\u1ed5i port sang 80<\/h3>\n
server.xml<\/code>. Tr\u00ean c\u1eeda s\u1ed5 terminal, ta g\u00f5:<\/p>\ncd \/opt\/tomcat\/conf vim server.xml <\/code><\/pre>\n8080<\/code> th\u00e0nh 80<\/code> sau \u0111\u00f3 l\u01b0u l\u1ea1i.<\/p>\n<\/a><\/h3>\n
B\u01b0\u1edbc 2: Thay \u0111\u1ed5i quy\u1ec1n s\u1edf h\u1eefu<\/h3>\n
\/etc\/systemd\/system<\/code>, ta ti\u1ebfn h\u00e0nh s\u1eeda nh\u01b0 sau:<\/p>\nsed -i 's\/User=tomcat\/User=root\/g' \/etc\/systemd\/system\/tomcat.service <\/code><\/pre>\n<\/a><\/h3>\n
B\u01b0\u1edbc 3: Reset l\u1ea1i service.<\/h3>\n
systemctl daemon-reload systemctl restart tomcat <\/code><\/pre>\n<\/a><\/h2>\n
3. C\u00e1ch 2: Ti\u1ebfn h\u00e0nh Nat port b\u1eb1ng firewalld<\/h2>\n
firewall-cmd --zone=public --add-forward-port=port=80:proto=tcp:toport=8080.<\/code><\/pre>\n\n
<\/a><\/h2>\n
4. T\u00e0i li\u1ec7u tham kh\u1ea3o<\/h2>\n