update-initramfs reports the following warning when generating initrd.img: Warning: couldn’t identify filesystem type for fsck hook, ignoring. To identify filesystem type of /, update-initramfs requires device of / listed inContinue reading

In case of high latency link, a too small initcwnd could degrade performance, as it may take a while for throughput to increase to its maximum. Increasing initcwnd could mitigateContinue reading

This helps when the prefix is dynamic (allocated by ISP dynamically, for example). See also: radvd.conf(5) – Linux man page interface br0 { prefix ::/64 { # … other stuffsContinue reading

Applying the following patch (copied from the same file in Ubuntu 18.10) to /etc/dhcp/dhclient-enter-hooks.d/samba solved the problem: — ./samba 2019-01-01 00:00:00.000000000 +0800 +++ ./samba.patched 2019-01-01 00:00:00.000000000 +0800 @@ -68,7 +68,18Continue reading

Put the following to /etc/initramfs/post-update.d/99-uInitrd, and chmod +x to make it executable: #!/bin/sh set -e # $1 = version, $2 = full path to initrd.img-xxx echo “update-initramfs: Converting to /boot/uInitrd”Continue reading

Transmission is using a weird indent.. Patch Patched upon transmission-daemon 2.94-1. — a/libtransmission/peer-mgr.c 2018-01-01 00:00:00.000000000 +0000 +++ b/libtransmission/peer-mgr.c 2018-01-01 00:00:00.000000000 +0000 @@ -1939,6 +1939,19 @@ tr_peerMsgsUpdateActive (msgs, TR_DOWN); } +staticContinue reading

Assign a unique network address to clients of ocserv by setting ipv4-network = x.x.x.x/24 in /etc/ocserv/ocserv.conf (or some file in /etc/ocserv/config-by-xxx/). Set up iptables to redirect traffic originated from thisContinue reading

Several points to note: Listening port cannot be set in /etc/ocserv.conf, instead, set them in //etc/systemd/system/ocserv.socket.d/port.conf. e.g.: [Socket] ListenDatagram= ListenStream=12345 Leaving the value as empty prevents ocserv from using thatContinue reading