Hi, i pasted the example, saved and exited, the commands to apply the changes however, gave me this: sade@sade-desktop:~$ sysctl -p
error: permission denied on key 'net.core.rmem_max'
error: permission denied on key 'net.core.wmem_max'
error: permission denied on key 'net.ipv4.tcp_rmem'
error: permission denied on key 'net.ipv4.tcp_wmem'
error: permission denied on key 'net.ipv4.tcp_no_metrics_save'
error: permission denied on key 'net.ipv4.tcp_moderate_rcvbuf'
error: permission denied on key 'net.core.netdev_max_backlog'
error: permission denied on key 'net.ipv4.tcp_sack'
error: permission denied on key 'net.ipv4.tcp_window_scaling'
error: permission denied on key 'net.ipv4.ip_forward'
error: permission denied on key 'net.ipv4.conf.default.rp_filter'
error: permission denied on key 'kernel.sysrq'
error: permission denied on key 'kernel.core_uses_pid'
error: permission denied on key 'net.ipv4.tcp_syncookies'
error: permission denied on key 'net.ipv4.tcp_max_syn_backlog'
error: permission denied on key 'net.ipv4.tcp_synack_retries'
error: permission denied on key 'net.ipv4.ip_forward'
error: permission denied on key 'net.ipv4.conf.all.accept_source_route'
error: permission denied on key 'net.ipv4.conf.lo.accept_source_route'
error: permission denied on key 'net.ipv4.conf.eth0.accept_source_route'
error: permission denied on key 'net.ipv4.conf.default.accept_source_route'
error: permission denied on key 'net.ipv4.conf.all.rp_filter'
error: permission denied on key 'net.ipv4.conf.lo.rp_filter'
error: permission denied on key 'net.ipv4.conf.eth0.rp_filter'
error: permission denied on key 'net.ipv4.conf.default.rp_filter'
error: permission denied on key 'net.ipv4.conf.all.accept_redirects'
error: permission denied on key 'net.ipv4.conf.lo.accept_redirects'
error: permission denied on key 'net.ipv4.conf.eth0.accept_redirects'
error: permission denied on key 'net.ipv4.conf.default.accept_redirects'
error: permission denied on key 'net.ipv4.conf.all.log_martians'
error: permission denied on key 'net.ipv4.conf.lo.log_martians'
error: permission denied on key 'net.ipv4.conf.eth0.log_martians'
error: permission denied on key 'net.ipv4.conf.all.accept_source_route'
error: permission denied on key 'net.ipv4.conf.lo.accept_source_route'
error: permission denied on key 'net.ipv4.conf.eth0.accept_source_route'
error: permission denied on key 'net.ipv4.conf.default.accept_source_route'
error: permission denied on key 'net.ipv4.conf.all.rp_filter'
error: permission denied on key 'net.ipv4.conf.lo.rp_filter'
error: permission denied on key 'net.ipv4.conf.eth0.rp_filter'
error: permission denied on key 'net.ipv4.conf.default.rp_filter'
error: permission denied on key 'net.ipv4.conf.all.accept_redirects'
error: permission denied on key 'net.ipv4.conf.lo.accept_redirects'
error: permission denied on key 'net.ipv4.conf.eth0.accept_redirects'
error: permission denied on key 'net.ipv4.conf.default.accept_redirects'
error: permission denied on key 'kernel.sysrq'
error: permission denied on key 'fs.file-max'
error: permission denied on key 'net.ipv4.tcp_fin_timeout'
error: permission denied on key 'net.ipv4.tcp_keepalive_time'
error: permission denied on key 'net.ipv4.tcp_window_scaling'
error: permission denied on key 'net.ipv4.tcp_sack'
error: permission denied on key 'net.ipv4.tcp_timestamps'
error: permission denied on key 'net.ipv4.tcp_syncookies'
error: permission denied on key 'net.ipv4.icmp_echo_ignore_broadcasts'
error: permission denied on key 'net.ipv4.icmp_ignore_bogus_error_responses'
error: permission denied on key 'net.ipv4.conf.all.log_martians'
error: permission denied on key 'kernel.shmmax'
error: "vm.bdflush" is an unknown key
error: "vm.buffermem" is an unknown key
error: permission denied on key 'net.ipv4.tcp_max_syn_backlog'
error: permission denied on key 'net.ipv4.tcp_mem'
error: permission denied on key 'net.ipv4.tcp_wmem'
error: permission denied on key 'net.ipv4.tcp_rmem'
error: permission denied on key 'net.core.rmem_max'
error: permission denied on key 'net.core.rmem_default'
error: permission denied on key 'net.core.wmem_max'
error: permission denied on key 'net.core.wmem_default'
error: permission denied on key 'net.ipv4.tcp_max_tw_buckets'
error: permission denied on key 'net.ipv4.ip_local_port_range'
error: permission denied on key 'net.ipv4.ipfrag_high_thresh'
error: permission denied on key 'net.ipv4.ipfrag_low_thresh'
error: permission denied on key 'net.core.optmem_max'
error: "net.core.hot_list_length" is an unknown key
sade@sade-desktop:~$ sysctl -w net.ipv4.route.flush=1
error: permission denied on key 'net.ipv4.route.flush'
sade@sade-desktop:~$