diff --git a/src/66/66-fdholder-filler.c b/src/66/66-fdholder-filler.c
new file mode 100644
index 0000000000000000000000000000000000000000..4edb95d0af94e0211de979e7af554d3ba99099c8
--- /dev/null
+++ b/src/66/66-fdholder-filler.c
@@ -0,0 +1,182 @@
+/*
+ * 66-fdholder-filler.c
+ *
+ * Copyright (c) 2018-2022 Eric Vidal <eric@obarun.org>
+ *
+ * All rights reserved.
+ *
+ * This file is part of Obarun. It is subject to the license terms in
+ * the LICENSE file found in the top-level directory of this
+ * distribution.
+ * This file may not be copied, modified, propagated, or distributed
+ * except according to the terms contained in the LICENSE file./
+ *
+ * This file is a modified copy of s6-rc-fdholder-filler.c file to suit the needs of 66,
+ * coming from skarnet software at https://skarnet.org/software/s6-rc with an ISC LICENSE.
+ * All credits goes to Laurent Bercot <ska-remove-this-if-you-are-not-a-bot@skarnet.org>
+ *
+ * This program keep the same behavior of the original file. It's expected to run behind
+ * an s6-ipcclient connection.
+ * */
+
+#include <unistd.h> //access
+#include <string.h>
+
+#include <oblibs/log.h>
+#include <oblibs/string.h>
+#include <oblibs/files.h>
+
+#include <skalibs/sgetopt.h>
+#include <skalibs/types.h>
+#include <skalibs/tai.h>
+
+#include <66/constants.h>
+
+#include <s6/fdholder.h>
+
+#define USAGE "66-fdholder-filler [ -h ] [ -v verbosity ] [ -1 ] [ -t timeout ]"
+
+static inline void info_help (void)
+{
+ DEFAULT_MSG = 0 ;
+
+ static char const *help =
+"\n"
+"options :\n"
+" -h: print this help\n"
+" -v: increase/decrease verbosity\n"
+"\n"
+;
+
+ log_info(USAGE,"\n",help) ;
+}
+#define N 4096
+
+static inline unsigned int class (char c)
+{
+ switch (c) {
+
+ case 0 : return 0 ;
+ case '\n' : return 1 ;
+ case '#' : return 2 ;
+ case ' ' :
+ case '\r' :
+ case '\t' : return 3 ;
+ default : return 4 ;
+ }
+}
+
+static inline unsigned int parse_servicenames (char *s, unsigned int *indices)
+{
+ static unsigned char const table[3][5] = {
+
+ { 3, 0, 1, 0, 6 },
+ { 3, 0, 1, 1, 1 },
+ { 3, 8, 2, 2, 2 }
+ } ;
+
+ unsigned int pos = 0, n = 0, state = 0 ;
+
+ for (; state < 3 ; pos++) {
+
+ unsigned char c = table[state][class(s[pos])] ;
+ state = c & 3 ;
+
+ if (c & 4)
+ indices[n++] = pos ;
+
+ if (c & 8)
+ s[pos] = 0 ;
+ }
+ return n ;
+}
+
+int main(int argc, char const *const *argv)
+{
+ int notif = 0 ;
+ unsigned int n = 0, indices[N] ;
+ char buf[N<<1] ;
+
+ s6_fdholder_t a = S6_FDHOLDER_ZERO ;
+
+ tain deadline ;
+
+ PROG = "66-fdholder-filler" ;
+ {
+ unsigned int t = 0 ;
+ subgetopt l = SUBGETOPT_ZERO ;
+
+ for (;;)
+ {
+ int opt = subgetopt_r(argc,argv, "hv:t:1", &l) ;
+ if (opt == -1) break ;
+
+ switch (opt)
+ {
+ case 'h' : info_help(); return 0 ;
+ case 'v' : if (!uint0_scan(l.arg, &VERBOSITY)) log_usage(USAGE) ; break ;
+ case '1' : notif = 1 ; break ;
+ case 't' : if (!uint0_scan(l.arg, &t)) log_usage(USAGE) ; break ;
+ default : log_usage(USAGE) ;
+ }
+ }
+ argc -= l.ind ; argv += l.ind ;
+ if (t) tain_from_millisecs(&deadline, t) ;
+ else deadline = tain_infinite_relative ;
+ }
+
+ {
+ size_t r = allread(0, buf, N<<1) ;
+ if (r >= N<<1)
+ log_die(LOG_EXIT_USER, "file ", argv[0], " is too big") ;
+ buf[r] = 0 ;
+ }
+
+ n = parse_servicenames(buf, indices) ;
+
+ if (n) {
+
+ tain offset = { .sec = TAI_ZERO } ;
+ int p[2] ;
+ unsigned int i = 0 ;
+ s6_fdholder_fd_t dump[n<<1] ;
+
+ close(0) ;
+
+ s6_fdholder_init(&a, 6) ;
+
+ tain_now_set_stopwatch_g() ;
+ tain_add_g(&deadline, &deadline) ;
+
+ for (; i < n ; i++) {
+
+ size_t len = strlen(buf + indices[i]) ;
+
+ if (len > S6_FDHOLDER_ID_SIZE) {
+ errno = ENAMETOOLONG ;
+ log_dieusys(LOG_EXIT_SYS, "create identifier for ", buf + indices[i]) ;
+ }
+
+ if (pipe(p) < 0)
+ log_dieusys(LOG_EXIT_SYS, "create pipe") ;
+
+ dump[i<<1].fd = p[0] ;
+ tain_add_g(&dump[i<<1].limit, &tain_infinite_relative) ;
+ offset.nano = i << 1 ;
+ tain_add(&dump[i<<1].limit, &dump[i<<1].limit, &offset) ;
+ memcpy(dump[i<<1].id, buf + indices[i], len + 1) ;
+ dump[(i<<1)+1].fd = p[1] ;
+ offset.nano = 1 ;
+ tain_add(&dump[(i<<1)+1].limit, &dump[i<<1].limit, &offset) ;
+ memcpy(dump[(i<<1)+1].id, buf + indices[i], len) ;
+ dump[(i<<1)+1].id[8] = 'w' ;
+ }
+
+ if (!s6_fdholder_setdump_g(&a, dump, n << 1, &deadline))
+ log_dieusys(LOG_EXIT_SYS, "transfer pipes") ;
+ }
+
+ if (notif) write(1, "\n", 1) ;
+
+ return 0 ;
+}
diff --git a/src/66/66-oneshot.c b/src/66/66-oneshot.c
new file mode 100644
index 0000000000000000000000000000000000000000..344e10be0092c2ba7ade520670f8eebd705dd223
--- /dev/null
+++ b/src/66/66-oneshot.c
@@ -0,0 +1,129 @@
+/*
+ * 66-oneshot.c
+ *
+ * Copyright (c) 2018-2022 Eric Vidal <eric@obarun.org>
+ *
+ * All rights reserved.
+ *
+ * This file is part of Obarun. It is subject to the license terms in
+ * the LICENSE file found in the top-level directory of this
+ * distribution.
+ * This file may not be copied, modified, propagated, or distributed
+ * except according to the terms contained in the LICENSE file./
+ * */
+
+#include <unistd.h>
+#include <string.h>
+
+#include <oblibs/log.h>
+#include <oblibs/obgetopt.h>
+#include <oblibs/string.h>
+#include <oblibs/environ.h>
+
+#include <skalibs/sgetopt.h>
+#include <skalibs/types.h>
+#include <skalibs/stralloc.h>
+
+#include <66/constants.h>
+#include <66/service.h>
+#include <66/resolve.h>
+
+#define USAGE "66-oneshot [ -h ] [ -v verbosity ] up|down /var/lib/66/system/<tree>/servicedirs/svc/<service>"
+
+static inline void info_help (void)
+{
+ DEFAULT_MSG = 0 ;
+
+ static char const *help =
+"\n"
+"options :\n"
+" -h: print this help\n"
+" -v: increase/decrease verbosity\n"
+;
+
+ log_info(USAGE,"\n",help) ;
+}
+
+int main(int argc, char const *const *argv)
+{
+ char upath[UINT_FMT] ;
+ upath[uint_fmt(upath, SS_MAX_PATH)] = 0 ;
+ char const *path = 0 ;
+ char *file = "up" ;
+
+ PROG = "66-oneshot" ;
+ {
+ subgetopt l = SUBGETOPT_ZERO ;
+
+ for (;;)
+ {
+ int opt = getopt_args(argc,argv, ">hv:", &l) ;
+ if (opt == -1) break ;
+ if (opt == -2) log_die(LOG_EXIT_USER,"options must be set first") ;
+ switch (opt)
+ {
+ case 'h' : info_help(); return 0 ;
+ case 'v' : if (!uint0_scan(l.arg, &VERBOSITY)) log_usage(USAGE) ; break ;
+ default : log_usage(USAGE) ;
+ }
+ }
+ argc -= l.ind ; argv += l.ind ;
+ }
+
+ if (argc < 1)
+ log_usage(USAGE) ;
+
+ if (argv[0][0] == 'd')
+ file = "down" ;
+
+ if (argv[0][0] != 'd' && argv[0][0] != 'u')
+ log_die(LOG_EXIT_USER, "only up or down signals are allowed") ;
+
+ if (strlen(argv[1]) >= SS_MAX_PATH_LEN)
+ log_die(LOG_EXIT_USER, "path of script file is too long -- it cannot exceed: ", upath) ;
+
+ else if (argv[1][0] != '/')
+ log_die(LOG_EXIT_USER, "path of script file must be absolute") ;
+
+ if (access(argv[1], F_OK) < 0) {
+
+ if (file[0] == 'd')
+ /* really nothing to do here */
+ return 0 ;
+
+ else
+ log_dieusys(LOG_EXIT_SYS, "find: ", argv[1]) ;
+ }
+
+ path = argv[1] ;
+ size_t len = strlen(path) ;
+
+ char script[len + 1 + strlen(file) + 1] ;
+ auto_strings(script, path, "/", file) ;
+
+ if (file[0] == 'd')
+ /** do not crash if the down file doesn't exist
+ * considere it down instead*/
+ if (access(script, F_OK) < 0)
+ _exit(0) ;
+
+ /**
+ * be paranoid and avoid to crash just for a
+ * not executable script
+ * */
+ if (chmod(script, 0755) < 0)
+ log_dieusys(LOG_EXIT_SYS,"chmod: ", script) ;
+
+ char const *newargv[3] ;
+ unsigned int m = 0 ;
+ newargv[m++] = script ;
+ newargv[m++] = file ;
+ newargv[m] = 0 ;
+
+ if (chdir(path) < 0)
+ log_dieusys(LOG_EXIT_SYS, "chdir to: ", path) ;
+
+ execve(script, (char *const *)newargv, (char *const *)environ) ;
+
+ log_dieusys(errno == ENOENT ? 127 : 126, "exec: ", script) ;
+}
diff --git a/src/66/66-parse.c b/src/66/66-parse.c
new file mode 100644
index 0000000000000000000000000000000000000000..2fd55ae2e3c3a9d8d6fd3d24b0fc42c29a7502f7
--- /dev/null
+++ b/src/66/66-parse.c
@@ -0,0 +1,50 @@
+/*
+ * 66-parse.c
+ *
+ * Copyright (c) 2018-2021 Eric Vidal <eric@obarun.org>
+ *
+ * All rights reserved.
+ *
+ * This file is part of Obarun. It is subject to the license terms in
+ * the LICENSE file found in the top-level directory of this
+ * distribution.
+ * This file may not be copied, modified, propagated, or distributed
+ * except according to the terms contained in the LICENSE file./
+ */
+
+#include <oblibs/log.h>
+
+#include <66/ssexec.h>
+
+int main(int argc, char const *const *argv,char const *const *envp)
+{
+ PROG = "66-parse" ;
+
+ ssexec_t info = SSEXEC_ZERO ;
+
+ info.prog = PROG ;
+ info.help = help_parse ;
+ info.usage = usage_parse ;
+
+ info.skip_opt_tree = 1 ;
+
+ return ssexec_main(argc, argv, envp, &ssexec_parse, &info) ;
+}
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/src/66/deps-exe/66-all b/src/66/deps-exe/66-all
index f1e60dad80b6949a291fd1320dd53b5888a8da74..306db624e775967d5f8dee9157a531ba4d44f70b 100644
--- a/src/66/deps-exe/66-all
+++ b/src/66/deps-exe/66-all
@@ -1,5 +1,4 @@
${LIB66}
--ls6rc
-ls6
-loblibs
-lskarnet
diff --git a/src/66/deps-exe/66-disable b/src/66/deps-exe/66-disable
index f5a0eec2e83239d530a4cb41fc710973c8fc3924..390fc3b50a19ade5209e13428a74ea3806b77192 100644
--- a/src/66/deps-exe/66-disable
+++ b/src/66/deps-exe/66-disable
@@ -1,5 +1,4 @@
${LIB66}
--ls6rc
-ls6
-loblibs
-lskarnet
diff --git a/src/66/deps-exe/66-enable b/src/66/deps-exe/66-enable
index f1e60dad80b6949a291fd1320dd53b5888a8da74..306db624e775967d5f8dee9157a531ba4d44f70b 100644
--- a/src/66/deps-exe/66-enable
+++ b/src/66/deps-exe/66-enable
@@ -1,5 +1,4 @@
${LIB66}
--ls6rc
-ls6
-loblibs
-lskarnet
diff --git a/src/66/deps-exe/66-env b/src/66/deps-exe/66-env
index 157fe843fafcbb110642e39610f37ba89904fbcd..70626b64cf11b084481656bb85292f5b63f01300 100644
--- a/src/66/deps-exe/66-env
+++ b/src/66/deps-exe/66-env
@@ -1,5 +1,4 @@
${LIB66}
--ls6rc
-ls6
-loblibs
-lskarnet
diff --git a/src/66/deps-exe/66-fdholder-filler b/src/66/deps-exe/66-fdholder-filler
new file mode 100644
index 0000000000000000000000000000000000000000..70626b64cf11b084481656bb85292f5b63f01300
--- /dev/null
+++ b/src/66/deps-exe/66-fdholder-filler
@@ -0,0 +1,6 @@
+${LIB66}
+-ls6
+-loblibs
+-lskarnet
+
+
diff --git a/src/66/deps-exe/66-init b/src/66/deps-exe/66-init
index f1e60dad80b6949a291fd1320dd53b5888a8da74..306db624e775967d5f8dee9157a531ba4d44f70b 100644
--- a/src/66/deps-exe/66-init
+++ b/src/66/deps-exe/66-init
@@ -1,5 +1,4 @@
${LIB66}
--ls6rc
-ls6
-loblibs
-lskarnet
diff --git a/src/66/deps-exe/66-oneshot b/src/66/deps-exe/66-oneshot
new file mode 100644
index 0000000000000000000000000000000000000000..9c58365fcec451152a7b10b51a36af3a3612a3fa
--- /dev/null
+++ b/src/66/deps-exe/66-oneshot
@@ -0,0 +1,3 @@
+${LIB66}
+-loblibs
+-lskarnet
diff --git a/src/66/deps-exe/66-parse b/src/66/deps-exe/66-parse
new file mode 100644
index 0000000000000000000000000000000000000000..306db624e775967d5f8dee9157a531ba4d44f70b
--- /dev/null
+++ b/src/66/deps-exe/66-parse
@@ -0,0 +1,4 @@
+${LIB66}
+-ls6
+-loblibs
+-lskarnet
diff --git a/src/66/deps-exe/66-start b/src/66/deps-exe/66-start
index f1e60dad80b6949a291fd1320dd53b5888a8da74..306db624e775967d5f8dee9157a531ba4d44f70b 100644
--- a/src/66/deps-exe/66-start
+++ b/src/66/deps-exe/66-start
@@ -1,5 +1,4 @@
${LIB66}
--ls6rc
-ls6
-loblibs
-lskarnet
diff --git a/src/66/deps-exe/66-stop b/src/66/deps-exe/66-stop
index f1e60dad80b6949a291fd1320dd53b5888a8da74..306db624e775967d5f8dee9157a531ba4d44f70b 100644
--- a/src/66/deps-exe/66-stop
+++ b/src/66/deps-exe/66-stop
@@ -1,5 +1,4 @@
${LIB66}
--ls6rc
-ls6
-loblibs
-lskarnet
diff --git a/src/66/deps-exe/66-svctl b/src/66/deps-exe/66-svctl
index 6ca6412952014263a94e354b4e57f47c8fc25e21..ec930b0468a1ecc85f4399db401081861a34663b 100644
--- a/src/66/deps-exe/66-svctl
+++ b/src/66/deps-exe/66-svctl
@@ -1,5 +1,4 @@
${LIB66}
--ls6rc
-ls6
-loblibs
-lskarnet
diff --git a/src/66/deps-exe/66-tree b/src/66/deps-exe/66-tree
index c34874a1dc66e9c236cd245e418e3c5111d662ed..bc799f3349039873f5dba6b56a175016ea63b5b0 100644
--- a/src/66/deps-exe/66-tree
+++ b/src/66/deps-exe/66-tree
@@ -1,5 +1,4 @@
${LIB66}
--ls6rc
-ls6
-loblibs
-lskarnet