nginx/1.4.6 (Ubuntu) server throwing 404 on all sites except just after reboot

Question

My server just started thorwing 404 on all sites (I’m running a few wordpress installs). htop shows no peaks in server load and when I reboot all sites work for about 2 minutes before throwing 404 again. I’ve made no changes to the server.

Anyone excperienced this? All help greatly appreciated.

accountscb6f2ec · Answer

Hi I am facing same issue . tried all given in the forum yet it is showing 404 :’

Eldin Hadzic · Answer

@jens834585 we need to change your System. Here you go : Before you start Snapshoot your Droplet Paste this (at the end of the file) to /etc/sysctl.conf (using nano /etc/sysctl.conf) and save it (this change not only fixes your error it makes your System much better), ### IMPROVE SYSTEM MEMORY MANAGEMENT ### # Increase size of file handles and inode cache fs.file-max = 2097152 # Do less swapping vm.swappiness = 10 vm.dirty_ratio = 60 vm.dirty_background_ratio = 2 ### GENERAL NETWORK SECURITY OPTIONS ### # Number of times SYNACKs for passive TCP connection. net.ipv4.tcp_synack_retries = 2 # Allowed local port range net.ipv4.ip_local_port_range = 2000 65535 # Protect Against TCP Time-Wait net.ipv4.tcp_rfc1337 = 1 # Decrease the time default value for tcp_fin_timeout connection net.ipv4.tcp_fin_timeout = 15 # Decrease the time default value for connections to keep alive net.ipv4.tcp_keepalive_time = 300 net.ipv4.tcp_keepalive_probes = 5 net.ipv4.tcp_keepalive_intvl = 15 ### TUNING NETWORK PERFORMANCE ### # Default Socket Receive Buffer net.core.rmem_default = 31457280 # Maximum Socket Receive Buffer net.core.rmem_max = 12582912 # Default Socket Send Buffer net.core.wmem_default = 31457280 # Maximum Socket Send Buffer net.core.wmem_max = 12582912 # Increase number of incoming connections net.core.somaxconn = 65535 # Increase number of incoming connections backlog net.core.netdev_max_backlog = 65535 # Increase the maximum amount of option memory buffers net.core.optmem_max = 25165824 # Increase the maximum total buffer-space allocatable # This is measured in units of pages (4096 bytes) net.ipv4.tcp_mem = 65535 131072 262144 net.ipv4.udp_mem = 65535 131072 262144 # Increase the read-buffer space allocatable net.ipv4.tcp_rmem = 8192 87380 16777216 net.ipv4.udp_rmem_min = 16384 # Increase the write-buffer-space allocatable net.ipv4.tcp_wmem = 8192 65535 16777216 net.ipv4.udp_wmem_min = 16384 # Increase the tcp-time-wait buckets pool size to prevent simple DOS attacks net.ipv4.tcp_max_tw_buckets = 1440000 net.ipv4.tcp_tw_recycle = 1 net.ipv4.tcp_tw_reuse = 1 Paste this (at the end of the file) to /etc/security/limits.conf (using nano /etc/security/limits.conf) and save it, nginx soft nofile 2097152 nginx hard nofile 2097152 root soft nofile 2097152 root hard nofile 2097152 www-data soft nofile 2097152 www-data hard nofile 2097152 Paste this (at the end of the file) to /etc/pam.d/common-session (using nano /etc/pam.d/common-session) and save it, session required pam_limits.so Change listen.backlog in /etc/php5/fpm/pool.d/www.conf (using nano /etc/php5/fpm/pool.d/www.conf) and save it, listen.backlog = 65535 Change worker_rlimit_nofile in /etc/nginx/nginx.conf (using nano /etc/nginx/nginx.conf) and save it, worker_rlimit_nofile 99999; And finally reboot PS: If it works give a hearth to show me some love

jens834585 · Answer

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nginx/1.4.6 (Ubuntu) server throwing 404 on all sites except just after reboot

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nginx/1.4.6 (Ubuntu) server throwing 404 on all sites except just after reboot

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