From 1267b498eab114e4ad126ac577e988d34a26d362 Mon Sep 17 00:00:00 2001
From: Oleg Sheynin <osheynin@cryptovaltrading.com>
Date: Mon, 22 Jun 2026 17:24:20 +0000
Subject: [PATCH] progress

---
 examples/crontab.txt | 17 +++++++++++++++++
 free_cache.sh        | 22 +++++++++++++++++++++-
 fs_trim.sh           | 11 ++++++++++-
 3 files changed, 48 insertions(+), 2 deletions(-)
 create mode 100644 examples/crontab.txt

diff --git a/examples/crontab.txt b/examples/crontab.txt
new file mode 100644
index 0000000..178d277
--- /dev/null
+++ b/examples/crontab.txt
@@ -0,0 +1,17 @@
+# ROOT only crontab
+#===========================================================================
+#
+# ---------- memory
+*/5 * * * * /works/admin/free_cache.sh  2>&1 |  /usr/bin/ts '[\%Y-\%m-\%d \%H:\%M:\%S]' >> /works/logs/$(date +\%Y\%m\%d).free_cache.log 2>&1
+# ---------- file system
+0 8 * * * /works/admin/fs_trim.sh  2>&1 |  /usr/bin/ts '[\%Y-\%m-\%d \%H:\%M:\%S]' >> /works/logs/$(date +\%Y\%m\%d).fstrim.log 2>&1
+# ---------- for logs maintenance
+*/30 * * * *   chown -R oleg:oleg /works 2>&1
+#
+#===========================================================================
+# -------- T e s t
+#
+#
+# -------- T e s t
+#===========================================================================
+
diff --git a/free_cache.sh b/free_cache.sh
index 2a3b9d1..f78b9f8 100755
--- a/free_cache.sh
+++ b/free_cache.sh
@@ -5,4 +5,24 @@ if [ "$(id -u)" -ne 0 ]; then
   exit 1
 fi
 
-free -h ; sudo sync; for v in 1 2 3 1 ; do echo ${v} | sudo tee /proc/sys/vm/drop_caches; done; free -h
+echo "---------------------------"
+echo "Running: ${0} ${*}"
+echo
+echo "free -h ; sync; for v in 1 2 3 1 ; do echo ${v} | tee /proc/sys/vm/drop_caches; done; free -h"
+
+free -h  
+sync 
+for v in 1 2 3 1 ; do 
+    echo ${v} | tee /proc/sys/vm/drop_caches 
+done 
+free -h
+
+Cmd="/usr/sbin/swapoff -av"
+echo ${Cmd} && ${Cmd}
+
+Cmd="/usr/sbin/swapon -av"
+echo ${Cmd} && ${Cmd}
+
+echo "---------------------------"
+echo "DONE: ${0} ${*}"
+echo
diff --git a/fs_trim.sh b/fs_trim.sh
index 1c4273b..bdcccd2 100755
--- a/fs_trim.sh
+++ b/fs_trim.sh
@@ -5,4 +5,13 @@ if [ "$(id -u)" -ne 0 ]; then
   exit 1
 fi
 
-/usr/sbin/fstrim -av
+echo "---------------------------"
+echo "Running: ${0} ${*}"
+echo
+
+Cmd="/usr/sbin/fstrim -av"
+echo "${Cmd}" && ${Cmd}
+
+echo "---------------------------"
+echo "DONE: ${0} ${*}"
+echo